Cost-effectiveness of Epinephrine and Dexamethasone in Children With Bronchiolitis - American Academy of Pediatrics

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Cost-effectiveness of Epinephrine and Dexamethasone
in Children With Bronchiolitis
AUTHORS: Amanda Sumner, MSc,a Douglas Coyle, PhD,b                         WHAT’S KNOWN ON THIS SUBJECT: Despite the large economic
Craig Mitton, PhD,c David W. Johnson, MD,d Hema Patel,                     burden of bronchiolitis, there have been no economic evaluations
MD, MSc,e Terry P. Klassen, MD, MSc,f Rhonda Correll,                      of the effectiveness of intervention with bronchodilators or
HBScN,a Serge Gouin, MD,g Maala Bhatt, MD, MSc,e Gary                      steroids.
Joubert, MD,h Karen J. L. Black, MD, MSc,i Troy Turner,
MD,f Sandra Whitehouse, MD, MALS,j and Amy C. Plint, MD,
                                                                           WHAT THIS STUDY ADDS: Economic analysis reveals that
MSc,k for Pediatric Emergency Research Canada
                                                                           treatment infants with bronchiolitis with combined epinephrine
aClinical Research Unit, Children’s Hospital of Eastern Ontario
                                                                           and dexamethasone results in the lowest health care system and
Research Institute, Ottawa, Ontario, Canada; Departments of
bEpidemiology and Community Medicine and kPediatrics and                   societal costs.
Emergency Medicine, University of Ottawa, Ottawa, Ontario,
Canada; cHealth Studies, University of British Columbia,
Okanagan, British Columbia, Canada; Departments of
dPediatrics and Pharmacology and Therapeutics, University of

Calgary, Calgary, Alberta, Canada; eDepartment of Pediatrics,
McGill University, Montreal, Quebec, Canada; fDepartment of           abstract
Pediatrics, University of Alberta, Edmonton, Alberta, Canada;
gDepartment of Pediatrics, University of Montreal, Montreal,
                                                                      OBJECTIVE: Using data from the Canadian Bronchiolitis Epinephrine
Quebec, Canada; hDepartment of Pediatrics, University of              Steroid Trial we assessed the cost-effectiveness of treatments with
Western Ontario, London, Ontario, Canada; Departments of              epinephrine and dexamethasone for infants between 6 weeks and 12
iEmergency Medicine and Pediatrics, Dalhousie University,
                                                                      months of age with bronchiolitis.
Halifax, Nova Scotia, Canada; and jDepartment of Pediatrics,
University of British Columbia, Vancouver, British Columbia,          METHODS: An economic evaluation was conducted from both the soci-
Canada                                                                etal and health care system perspectives including all costs during 22
Dr Mitton’s current affiliation is Clinical Epidemiology and           days after enrollment. The effectiveness of therapy was measured by
Evaluation, Vancouver Coastal Health Research Institute, School
                                                                      the duration of symptoms of feeding problems, sleeping problems,
of Population and Public Health, University of British Columbia,
Vancouver, British Columbia, Canada.                                  coughing, and noisy breathing. Comparators were nebulized epineph-
KEY WORDS                                                             rine plus oral dexamethasone, nebulized epinephrine alone, oral dexa-
children, bronchiolitis, cost-effectiveness, epinephrine, steroids,   methasone alone, and no active treatment. Uncertainty around esti-
dexamethasone                                                         mates was assessed through nonparametric bootstrapping.
ABBREVIATIONS
                                                                      RESULTS: The combination of nebulized epinephrine plus oral dexa-
CanBEST—Canadian Bronchiolitis Epinephrine Steroid Trial
ED—emergency department                                               methasone was dominant over the other 3 comparators in that it was
CHEO—Children’s Hospital of Eastern Ontario                           both the most effective and least costly. Average societal costs were
CI—credible interval                                                  $1115 (95% credible interval [CI]: 919 –1325) for the combination ther-
www.pediatrics.org/cgi/doi/10.1542/peds.2009-3663                     apy, $1210 (95% CI: 1004 –1441) for no active treatment, $1322 (95% CI:
doi:10.1542/peds.2009-3663                                            1093–1571) for epinephrine alone, and $1360 (95% CI: 1124 –1624) for
Accepted for publication Jul 27, 2010                                 dexamethasone alone. The average time to curtailment of all symp-
Address correspondence to Amy C. Plint, MD, MSc, Children’s           toms was 12.1 days (95% CI: 11–13) for the combination therapy, 12.7
Hospital of Eastern Ontario, 401 Smyth Ave, Ottawa, Ontario,          days (95% CI: 12–13) for no active treatment, 13.0 days (95% CI: 12–14)
Canada K1H 8L1. E-mail: plint@cheo.on.ca
                                                                      for epinephrine alone, and 12.6 days (95% CI: 12–13) for dexametha-
PEDIATRICS (ISSN Numbers: Print, 0031-4005; Online, 1098-4275).
                                                                      sone alone.
Copyright © 2010 by the American Academy of Pediatrics
                                                                      CONCLUSION: Treating infants with bronchiolitis with a combination of
FINANCIAL DISCLOSURE: The authors have indicated they have
no financial relationships relevant to this article to disclose.       nebulized epinephrine plus oral dexamethasone is the most cost-
                                                                      effective treatment option, because it is the most effective in control-
                                                                      ling symptoms and is associated with the least costs. Pediatrics 2010;
                                                                      126:623–631

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Bronchiolitis is the most common             This multicenter, double-blind, placebo-         similar synergy between both epineph-
lower respiratory tract infection in the     controlled trial, which enrolled 800             rine and dexamethasone and albuterol
first year of life. Although the mortality    patients, was designed to determine              and dexamethasone.19–21
rate is low in high-income countries,        the effect of nebulized epinephrine              Stemming from the CanBEST, the focus
bronchiolitis is an important illness        and systemic corticosteroids in the              of this study was to assess the cost-
worldwide because of the frequency           treatment of outpatients with bron-              effectiveness of combined treatment
that affected infants require medical        chiolitis. In this trial, combined ther-         with epinephrine and dexamethasone
care and hospitalization1–3 and be-          apy with epinephrine and dexameth-               in the treatment of outpatient infants
cause of the burden on patients and          asone, as compared with placebo,                 with bronchiolitis.
families resulting from the length and       seemed to reduce the rate of hospi-
severity of symptoms.4 The number of         tal admission in the 7 days after                METHODS
hospital admissions for bronchiolitis        study enrollment by 9% and showed
                                             a relative risk reduction of 35% (P ⫽            Randomized Controlled Trial
has doubled over the last 10 to 15
years in both Canada and the United          .02). Also, infants treated with this            This analysis is based on a double-
States.1,2 In 1996, ⬃16% of all US hos-      combination seemed to have a                     blind randomized controlled trial of
pital admissions in the first year of life    shorter length of stay, a more rapid             800 infants between 6 weeks and 12
were for bronchiolitis,1 and in 1998, an-    return to quiet breathing, and                   months of age (median age: 5 months
nual hospital charges for respiratory        greater improvement in respiratory               [interquartile range: 3–7]) with bron-
syncytial virus–associated bronchioli-       rate and respiratory clinical score              chiolitis who were seen at participat-
tis were estimated at $365 to $691 mil-      compared with those who received                 ing emergency departments (EDs).
lion.5 Canadian statistics show that 35      placebo. In contrast, neither epi-               Patients were recruited during 3 bron-
in 1000 infants younger than 1 year are      nephrine nor dexamethasone alone                 chiolitis seasons (December through
admitted annually with bronchiolitis,        reduced the admission rate com-                  April) at 8 Canadian pediatric EDs from
and annual costs were conservatively         pared with placebo. The CanBEST re-              2004 through 2007. All participating
estimated 15 years ago at US $18             sults suggest that the combination of            hospitals were members of the re-
million.3                                    nebulized epinephrine and oral ste-              search group Pediatric Emergency
                                             roid treatment given to outpatients              Research Canada (PERC).
Despite the large economic burden of
                                             with bronchiolitis may reduce rates              Written informed consent was ob-
bronchiolitis, only 2 economic analy-
                                             of hospital admission and improve
ses of bronchiolitis management have                                                          tained from all parents or guardians of
                                             some symptoms. Synergy between
been published. Respiratory syncytial                                                         included infants. The study was ap-
                                             corticosteroids and ␤2-agonists has
virus immunoprophylaxis in infants at                                                         proved by Health Canada and by the
                                             been well documented in the treat-
high risk was examined in 1 of them,6                                                         ethics committee at each site. The re-
                                             ment of asthma.12–16 Although various
and in the other, the utility of chest                                                        sults of the study were described
                                             models suggest mechanisms of action
radiographs was examined.7 To our                                                             elsewhere.11
                                             for this synergy,16,17 results of in vitro
knowledge, there have been no eco-           studies of airway cells have indicated           Participants were eligible for inclusion
nomic evaluations of the effectiveness       that ␤2-adrenoceptor agonists can en-            in the study if they had a score of 4 to
of bronchodilator or steroid interven-       hance the ability of corticosteroids to          15 on the respiratory distress assess-
tion. As highlighted by Tugwell et al8       promote responses via the glucocorti-            ment index22 and had a diagnosis of
and Hartling et al,9 economic evalua-        coid receptor.18 It is important to note         bronchiolitis, defined as the first epi-
tions are an essential step in the over-     that these findings reveal that ␤2-               sode of wheezing associated with
all process of establishing whether a        adrenoceptor agonists are not only               signs of upper respiratory tract infec-
therapy is beneficial. More specifically,      steroid-sparing but also enhance the             tion. Excluded infants were those who
this type of analysis establishes the        maximal efficacy of the response to               had received previous bronchodilator
relative efficiencies of therapies in         corticosteroids to a level that cannot           treatments, had previous episodes of
terms of their costs and effects and         be achieved by corticosteroids alone.18          wheezing or a diagnosis of wheezing,
provides decision-makers with cost/          This effect can be said to mimic the             any chronic cardiopulmonary disease,
benefit information.10                        clinic observations in the context of            or immunodeficiency and infants who
Recently, results of the Canadian            asthma.15 In the context of wheezing in-         were in severe distress.
Bronchiolitis Epinephrine Steroid            fants and bronchiolitis, 3 small studies         The computer-generated randomiza-
Trial (CanBEST) were published.11            in similar populations have revealed             tion sequence, stratified according

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ARTICLE

to center, used randomized permuted              nebulized epinephrine plus oral dexa-            (and repeat ED visits), hospital admis-
blocks of 8 and 12. To conceal the allo-         methasone, nebulized epinephrine                 sions (total cost of length of stay and
cation sequence, the pharmacy at each            alone, oral dexamethasone alone, and             repeat visits), investigations given in
site prepared patient packets in se-             no active treatment (placebo). Pa-               the hospital (blood work, cultures, vi-
quentially numbered, visually identical          tients received 2 nebulized treatments,          ral studies, radiographs, and proce-
packages. The active drugs and pla-              administered 30 minutes apart, of 3              dures), and costs of physician assess-
cebo were identical in appearance, vol-          mL of generic 1:1000 epinephrine or an           ment and reassessments within the ED
ume, weight, odor, and taste. The study          equivalent volume of saline. The oral            and hospital stay. The prices of all
nurse was responsible for allocating             treatments were 1.0 mg/kg of dexa-               medications used in hospital were
patients to their treatment groups.              methasone (maximum: 10 mg) or pla-               taken from CHEO’s in-house pharmacy
Any child with a fever (rectal tempera-          cebo given after the first nebulized              and included any associated dis-
ture ⬎ 38°C) at presentation in the ED           treatment in the ED followed by 5 once-          counts; ED visits and hospital admis-
received 15 mg/kg of acetaminophen.              daily dexamethasone doses (0.6 mg/               sions costs came from an updated
The only study to show a significant              kg; maximum daily dose: 10 mg) or                cost model developed for the CHEO to
benefit to dexamethasone for outpa-               placebo. The dexamethasone suspen-               estimate hospital costs,27 and the cost
tients with bronchiolitis8 was criticized        sion consisted of generic dexametha-             of assessment and reassessments
for not controlling for the antipyretic          sone phosphate injection solution                within the ED and hospital stay were
effect of dexamethasone.27 It was pos-           mixed with Ora-Plus/Ora-Sweet (Pad-              based on the Ontario physician fee
tulated that the antipyretic effect of           dock Laboratories, Inc, Minneapolis,             schedule.28
dexamethasone may have resulted in a             MN). The oral placebo consisted of
                                                                                                  The principal resource items of inter-
lowering of respiratory rate in chil-            Ora-Plus/Ora-Sweet.
                                                                                                  est for follow-up were visits to a health
dren in the dexamethasone group and              Data Collection                                  care provider outside of the hospital
influenced clinicians in their admis-                                                              (family physician or walk-in clinic), vis-
sion decision. As a result, the treat-           Data on resource use and outcomes
                                                                                                  its to a specialist, and medications pre-
ment of febrile infants was standard-            were derived from the clinical trial.
                                                                                                  scribed to the patients on discharge or
ized in our trial.                               Parents or guardians were contacted
                                                                                                  by a health care provider. All health
                                                 by telephone using a standardized
                                                                                                  care and specialist visits costs were
Form of Analysis                                 telephone follow-up procedure,25,26 and
                                                                                                  based on the Ontario physician fee
                                                 research nurses obtained data re-
A cost-effectiveness analysis was con-                                                            schedule.28 The cost of prescription
                                                 garding compliance with administra-
ducted with effectiveness measured                                                                medications was based on the Ontario
                                                 tion to study medication after dis-
as the time to resolution of individual                                                           Drug Benefit Formulary charges plus
                                                 charge, health care visits, and details
symptoms (difficulties in infant feed-            about the infant’s feeding, sleep,               the markup and dispensing fee.29 The
ing, sleeping, coughing, and noisy               breathing, and coughing. Follow-up               costs for over-the-counter medica-
breathing) and all symptoms. The per-            was done daily until day 7, every 2 days         tions were obtained from local phar-
spective taken for the economic evalu-           until day 14, and then every 3 days until        macies. All medications administered
ation was societal, and costs were               day 22. A review of the patient’s hospi-         in hospital or prescribed by physicians
classified as either payer (costs born            tal chart was completed 22 days after            were recorded by drug name, volume,
by the province) or nonpayer (costs              enrollment.                                      and units, which enabled an accurate
born by the families of children with                                                             calculation of costs for each patient.
bronchiolitis). Secondary analysis was           Health Care Resource Use and                     A nasal pharyngeal aspirate for respi-
conducted from the health care sys-              Costs                                            ratory syncytial virus testing was ob-
tem perspective. Analysis included all           Health care resource use was col-                tained from each patient. Therefore, it
health care costs and costs borne by             lected for all patients according to the         was excluded from analysis because
the family during the 22 days after              study protocol. For simplicity we based          all patients received it. For any child
enrollment.                                      all of our costs on 1 center in Ontario:         with a fever (rectal temperature ⬎
                                                 the Children’s Hospital of Eastern On-           38°C) at presentation to the ED, we
Comparators                                      tario (CHEO). The principal resource             added the costs of acetaminophen (15
Treatment comparators were based                 items of interest were the cost of the           mg/kg of body weight). All costs are
on the study treatment groups from               treatment group medications, medica-             presented in 2009 Canadian dollars
the clinical trial. Comparators were             tions used in the hospital, ED visits            (see Appendix 1; summary in Table 1).

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TABLE 1 Cost Data                                                                                                              of bootstrapping (n ⫽ 5000). We calcu-
                    Item                                Unit cost, $                            Source                         lated health care costs, societal costs,
ED visit                                                   89.87                CHEO cost model27                              and the duration of symptoms for each
Physician fees                                            15–86.90              Ontario Schedule of Benefits 200828
                                                                                                                               group, which allowed estimation of the
Hospital admission (per day)                              786.87                CHEO cost model27
Investigations                                          1.55–105.47             Ontario Schedule of Benefits 200827             95% confidence intervals (CIs) around
Radiography                                            22.25–650.00             Ontario Schedule of Benefits 200827             outcomes. In addition, data from the
Cost for private car, per km                                0.45                Canadian Automobile Association,               bootstrapping exercise were used to
                                                                                  Driving costs 200830
Ambulance trip                                              75.00               Ontario Schedule of Benefits 200827             create a cost-effectiveness acceptabil-
Study drug                                           0.46 (1 mg/mL)             CHEO Pharmacy                                  ity curve,33 which provided the proba-
   Oral dexamethasone (1 mg/kg)                                                                                                bility that each treatment was the
     liquid preparation
   Nebulized epinephrine (3 mL; 1:1000)              8.74 (1-mL dose)           CHEO Pharmacy                                  most cost-effective given different val-
In-hospital medication                               Various                    CHEO Pharmacy                                  ues placed on the relief of symptoms.
Prescription medication                              Various                    Ontario Drug Formulary29                       Given the stochastic nature of the data,
Over-the-counter medication                          Various                    Local pharmacies
                                                                                                                               probabilistic sensitivity analysis was
Additional details are provided in the Appendix; added to all prescription costs was an 8% markup plus a $6.41 dispensing
fee.                                                                                                                           the only sensitivity analysis conducted.
                                                                                                                               Because the purpose of an economic
                                                                                                                               evaluation is to inform decisions re-
Patient Costs                                                  cremental cost-effectiveness ratio
                                                                                                                               lated to funding of treatments, we have
The principal resource items of inter-                         (ICER) that corresponded to the differ-
                                                                                                                               reported estimates of the expected
est for patient costs collected within                         ence in costs in Canadian dollars be-
                                                                                                                               values of treatments, not statistical
the randomized controlled trial were                           tween treatment groups and their as-                            inferences.
parent or guardian’s lost wages, park-                         sociated time with symptoms: ICER ⫽
ing expenses, public transportation,                           (CA ⫺ CB)/ (EB ⫺ EA).                                           RESULTS
ambulance cost, kilometers traveled,                           Uncertainty around estimates was as-                            The average societal cost per patient was
out-of-pocket medication, and other
                                                               sessed through probabilistic sensitiv-                          $1210 (95% CI: 1004–1441) for no active
out-of-pocket expenses. The cost of an
                                                               ity analysis based on nonparametric                             treatment, $1360 (95% CI: 1124–1624) for
ambulance was based on Ontario
                                                               bootstrapping whereby the original                              oral dexamethasone, $1323 (95% CI: 1093–
charges. The cost of private car travel
                                                               data were resampled to build an em-                             1571)fornebulizedepinephrine,and$1115
was the product of the distance trav-
                                                               pirical estimate of the sampling distri-                        (95% CI: 919–1325) for the combination of
eled and national estimates of travel
                                                               bution. Bootstrapping methods as-                               nebulized epinephrine plus oral dexameth-
costs per kilometer.30
                                                               sumed that the empirical distribution                           asone (Table 2).
Analyses                                                       of the data was an adequate represen-                           The average cost per patient from the
All analyses were conducted in SPSS                            tation of the true distribution of the                          health care system perspective was
16.0 (SPSS Inc, Chicago, IL) and Mi-                           data, and statistical analysis was                              $1019 (95% CI: 826 –1232) for no active
crosoft Excel (Microsoft, Redmond,                             based on repeatedly sampling from                               treatment, $1140 (95% CI: 934 –1376) for
WA). If none of the therapies was                              the observed data.31,32 A random sam-                           oral dexamethasone, $1090 (95% CI:
shown to be dominant, cost-                                    ple of each group from the original                             880 –1329) for nebulized epinephrine,
effectiveness was assessed by the in-                          data were bootstrapped for each run                             and $865 (95% CI: 690 –1062) for the

TABLE 2 Average Cost per Patient/Average Length of Symptoms per Patient
                                                                  Epinephrine and                   No Treatment                  Epinephrine Only     Dexamethasone Only
                                                                  Dexamethasone
Average health care costs per patient, $ (95% CI)                  865 (690–1062)                1019 (826–1232)                  1090 (880–1329)       1140 (934–1376)
Average societal costs per patient, $ (95% CI)                    1115 (919–1325)                1210 (1004–1441)                 1323 (1093–1571)      1360 (1124–1624)
Average length of symptom per patient, d
  Feeding problems                                                       0.62                            1.26                            0.992                 0.55
  Sleeping problems                                                      0.89                            0.997                           1.04                  1.03
  Coughing                                                              12.08                           12.54                           12.72                 12.37
  Noisy breathing                                                        3.83                            4.74                            4.41                  4.38
  Any symptom (95% CI)                                              12.17 (11–13)                   12.69 (12–13)                   13.02 (12–14)         12.62 (12–13)
Societal costs include health care costs and costs to the patient and their families; the 95% CIs are based on nonparametric bootstrapping.

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                                                       1.0

                                                                                                                     Epinephrine and steroid placebo
                                                       0.9
            Probability treatment is cost- Effective
                                                                                                                     Bronchodilator placebo and steroid placebo
                                                                                                                     Epinephrine and dexamethasone
                                                       0.8                                                           Bronchodilator placebo & dexamethasone

                                                       0.7

                                                       0.6

                                                       0.5

                                                       0.4

                                                       0.3

                                                       0.2

                                                       0.1

                                                       0.0
                                                             $0   $100   $200   $300      $400      $500      $600         $700        $800       $900        $1,000

                                                                                 Value of 1 d without symptoms
FIGURE 1
Cost-effectiveness acceptability curve.

combination of nebulized epinephrine                                            dexamethasone was the most likely to              to consider that within the clinical trial
plus oral dexamethasone (Table 2).                                              be optimal, and the probability of being          dexamethasone was not found to re-
In terms of symptoms, the longest-lasting                                       most cost-effective was ⬎75% for all              duce the hospitalization rate and only
symptom seemed to be coughing followed                                          scenarios.                                        shortened time to improved feeding
by noisy breathing. The average time to re-                                                                                       when compared with placebo.11
lief of all symptoms was 12.69 days (95% CI:                                    DISCUSSION                                        Economic evaluations conducted
12.00–13.00) for no active treatment, 12.62                                     In the CanBEST of the treatment of                alongside clinical trials are often criti-
days (95% CI: 12.00–13.00) for oral dexa-                                       acute bronchiolitis in infants between            cized as not being generalizable on the
methasone, 13.02 (95% CI: 12.00–14.00) for                                      6 weeks and 12 months of age, com-                basis that the trial does not represent
nebulized epinephrine, and 12.17 days                                           bined therapy with epinephrine and                the clinical setting in which treatments
(95% CI: 11.00–13.00) for the combination                                       dexamethasone seemed to reduce the                would be used in routine clinical prac-
of nebulized epinephrine plus oral dexa-                                        hospital admission rate in the 7 days             tice. The design of the CanBEST, as an
methasone (Table 2).                                                            after study enrollment by 35% rela-               ED-based trial with broad inclusion cri-
Given the information discussed                                                 tively and 9% absolutely. In this eco-            teria, minimizes this concern.
above, the combination of nebulized                                             nomic analysis, the combination of epi-           In economic evaluations, the focus is
epinephrine plus oral dexamethasone                                             nephrine and dexamethasone was                    on determining the optimal treatment
was dominant over all other treatment                                           also shown to be the most cost-                   regardless of statistical significance.
options, because it is both least costly                                        effective treatment option in that it             Although the results of the clinical
and most effective. In addition, no ac-                                         was both most effective and least                 evaluation did not show statistical
tive treatment (ie, placebo) was domi-                                          costly. In addition, nebulized epineph-           significance for all differences, it is
nant over nebulized epinephrine.                                                rine alone was shown to be both more              still necessary to assess the cost-
The cost-effectiveness acceptability                                            costly and no more effective than no              effectiveness of the options. The prob-
curve depicts the probability that each                                         active treatment, whereas oral dexa-              ability that the combined therapy is the
of the treatment options is cost-                                               methasone alone may be cost-effective             most cost-effective treatment option is
effective for values of a day without                                           depending on a decision-maker’s will-             at least 75%, which would be consid-
symptoms, ranging from $0 to $1000                                              ingness to pay to avoid a symptom-day.            ered sufficient to determine it to be
(Fig 1). For all values, the combination                                        However, in considering the use of                cost-effective. When using economic
of nebulized epinephrine plus oral                                              dexamethasone alone, it is important              evaluation to inform decision-making,

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it is useful to consider the concept of              are optimal, which further strengthens                common disease of the lower respira-
type 3 error: the probability of doing               our conclusion that the combination of                tory tract in the first year of life, such
the wrong thing. In the context of this              nebulized epinephrine and oral dexa-                  savings, on a wider scale, would be sig-
study, not funding combined therapy,                 methasone is the most cost-effective.                 nificant. As well, this analysis is based
therefore, would have a type 3 error                                                                       on health care costs within Canada,
                                                     CONCLUSIONS                                           which may be lower than costs in the
rate of at least 75%. Thus, to minimize a
type 3 error, the correct funding                    The results of our economic analysis                  United States.34 At this point, the choice
choice would be to fund combined                     show that combined treatment of in-                   for decision-makers is whether to
therapy.                                             fants with bronchiolitis with epineph-                adopt this cost-effective approach now
                                                     rine and dexamethasone results in the                 or await stronger evidence for dexa-
Our analysis had a number of strengths.              lowest health care system and societal                methasone and epinephrine in the
For example, we incorporated the most                costs. Examining only health care sys-                treatment of bronchiolitis.
recent standards in the conduct of trial-            tem costs, combination therapy re-
based economic evaluations by adopting               sults in a cost savings of approxi-                   ACKNOWLEDGMENTS
a probabilistic approach to analyzing the            mately $200 per patient compared                      The Canadian Institutes of Health Re-
underlying uncertainty. Such uncer-                  with the costs of no treatment, epi-                  search and the Alberta Children’s Hos-
tainty is illustrated through CIs and the            nephrine alone, or dexamethasone                      pital Foundation funded this study. Dr
depiction of a cost-effectiveness accept-            alone. Although this is not a dramatic                Plint was supported by a salary award
ability curve that highlights the probabil-          savings on an individual patient basis,               from the Canadian Institutes of Health
ity that the various treatment options               given that bronchiolitis is the most                  Research.
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PEDIATRICS Volume 126, Number 4, October 2010                                                                                                              629
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APPENDIX ED and Hospital Cost Data
                                                          Item                               Cost per                 Reference
                                                                                           Visit/Test, $
                                 ED visit                                                      89.87       CHEO
                                 Subsequent ED visits                                          89.87
                                    Comprehensive assessment and care, Monday                  37.20       Ontario Schedule of Benefits 2008
                                          through Friday, daytime (8:00 AM to 5:00 PM)
                                       Multiple systems assessment                             32.25
                                       Reassessment and minor assessment                       15.00
                                    Comprehensive assessment and care, Monday                  46.30
                                          through Friday, evenings (5:00 PM to 12:00 AM)
                                       Multiple systems assessment                             40.10
                                       Reassessment and minor assessment                       18.70
                                    Comprehensive assessment and care, Saturdays,              63.30
                                          Sundays, and Holidays, daytime and evenings
                                       Multiple systems assessment                             53.80
                                       Reassessment and minor assessment                       25.50
                                    Comprehensive assessment and care, nights                  73.90
                                          (12:00 AM to 8:00 AM)
                                       Multiple systems assessment                            62.30
                                       Reassessment and minor assessment                      29.80
                                 Hospital admission                                          786.87        CHEO RIW’s
                                    Reassessment                                              55.45        Ontario Schedule of Benefits 2008
                                    Discharge day                                             55.45
                                    Subsequent visits                                         29.20
                                 Visit to a health care provider outside of hospital                       Ontario Schedule of Benefits 2008
                                    Doctor’s visit, own doctor (limited consultation)          44.65
                                    Walk-in clinic                                             44.65
                                    Reassessment, family physician                             42.35
                                 Specialists
                                    Neurology                                                 82.90        Ontario Schedule of Benefits 2008
                                    Dermatology                                               66.15
                                    Radiology                                                 82.90
                                    Anesthesiology                                           103.85
                                    Nephrology                                                82.90
                                    Gastroenterology                                          82.90
                                    Urology                                                   71.30
                                    Orthopedic surgery                                        71.30
                                    Respirology                                               82.90
                                    Ophthalmology                                             71.30
                                    General surgery                                           86.90
                                 Investigations
                                    Blood work                                                             Ontario Schedule of Benefits 2008
                                       Complete blood count                                    8.27
                                       Reticulocyte count                                      6.72
                                       Blood culture                                          15.51
                                       Sickle cell screen                                      2.59
                                       Hemoglobulin electrophoresis                           17.58
                                       Prothrombin time and partial thromboplastin time       13.44
                                       Erythrocyte sedimentation rate                          1.55
                                       Serum amino acids                                     105.47
                                       Bilirubin                                               2.59
                                       Thyroid-stimulating hormone/thyrotropin                 9.48
                                       ␥-Glutamyl transpeptidase                               2.59
                                       Aspartate aminotransferase                              2.59
                                       Alanine transaminase                                    2.59
                                       Electrolytes                                            7.93
                                       Urea                                                    2.59
                                       Creatinine                                              2.59
                                       Glucose                                                 2.59
                                       Phosphate                                               2.59
                                       Albumin                                                 2.59
                                       Magnesium                                               2.59
                                       Transferrin                                            12.25
                                       Ferritin                                                9.31

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APPENDIX Continued
                             Item                         Cost per                 Reference
                                                        Visit/Test, $
     Total iron-binding capacity                            17.93
     Calcium                                                 2.59
     Blood gas                                              10.54
     Phenobarbital level                                    18.46
  Urine tests
     Urine routine and microscopic                           2.89
     Urine culture                                          12.93
  Cultures/screening                                                    Ontario Schedule of Benefits 2008
     Nasal swab for methicillin-resistant                   12.93
        Staphylococcus aureus
  Swab for culture (eye)                                    12.93
  Stool culture for bacteria                                17.58
  CSF bacterial culture (including Gram-stain)              14.48
  Stool culture for rotavirus                               70.00
  Stool culture for vancomycin-resistant Enterococcus       12.93
     Polymerase chain reaction testing for pertussis        60.00
  CSF analysis                                                          Ontario Schedule of Benefits 2008
     CSF cell count                                          9.31
     CSF protein, glucose                                    2.59
     CSF Gram-stain                                          2.59
  Radiologic investigations                                             Ontario Schedule of Benefits 2008
     Radiograph, abdomen (ⱖ2 views)                        32.90
     Radiograph, soft tissue of neck (2 views)             22.25
     Computed tomography of the head                      650.00
     Cranial ultrasound                                    78.95
Other investigations
  Electrocardiogram                                         16.50
Procedure costs
  Lumbar puncture                                           77.25
Travel-related costs
  Kilometers traveled                                        0.45       Canadian Automobile Association,
                                                                          Driving costs 2008
  Ambulance                                                 75.00       Ontario Health Insurance Plan
CSF indicates cerebrospinal fluid.

PEDIATRICS Volume 126, Number 4, October 2010                                                                    631
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Cost-effectiveness of Epinephrine and Dexamethasone in Children With
                                   Bronchiolitis
Amanda Sumner, Douglas Coyle, Craig Mitton, David W. Johnson, Hema Patel, Terry
  P. Klassen, Rhonda Correll, Serge Gouin, Maala Bhatt, Gary Joubert, Karen J. L.
 Black, Troy Turner, Sandra Whitehouse, Amy C. Plint and for Pediatric Emergency
                                 Research Canada
            Pediatrics originally published online September 27, 2010;

 Updated Information &         including high resolution figures, can be found at:
 Services                      http://pediatrics.aappublications.org/content/early/2010/09/27/peds.2
                               009-3663
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                 Downloaded from www.aappublications.org/news by guest on January 18, 2020
Cost-effectiveness of Epinephrine and Dexamethasone in Children With
                                   Bronchiolitis
Amanda Sumner, Douglas Coyle, Craig Mitton, David W. Johnson, Hema Patel, Terry
  P. Klassen, Rhonda Correll, Serge Gouin, Maala Bhatt, Gary Joubert, Karen J. L.
 Black, Troy Turner, Sandra Whitehouse, Amy C. Plint and for Pediatric Emergency
                                 Research Canada
            Pediatrics originally published online September 27, 2010;

  The online version of this article, along with updated information and services, is
                         located on the World Wide Web at:
   http://pediatrics.aappublications.org/content/early/2010/09/27/peds.2009-3663

 Pediatrics is the official journal of the American Academy of Pediatrics. A monthly publication, it
 has been published continuously since 1948. Pediatrics is owned, published, and trademarked by
 the American Academy of Pediatrics, 141 Northwest Point Boulevard, Elk Grove Village, Illinois,
 60007. Copyright © 2010 by the American Academy of Pediatrics. All rights reserved. Print ISSN:
 1073-0397.

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