RICHARD LENDE WINTER NEUROSURGERY CONFERENCE - CLIFF LODGE SNOWBIRD, UTAH January 31-February 3, 2020 Jointly Provided by the AANS
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RICHARD LENDE
WINTER
NEUROSURGERY
CONFERENCE
January 31-February 3, 2020
CLIFF LODGE
SNOWBIRD, UTAH
Jointly Provided by the AANSWelcome to the 46h Annual Richard Lende Winter Neurosurgery Conference.
This meeting has a rich tradition since its inception in March 1973.
The original founders of this meeting included prominent neurosurgeons from around the country. This
group included Chairs of Neurosurgery from Albany (Richard Lende), Minnesota (Shelley N. Chou), Utah (Ted
Roberts), Washington (Arthur Ward), UC Irvine (Eldon Foltz), and Chicago (Howard Reichman), and two Utah
neurosurgeons Peter Heilbrun (who later became Chair at Utah) and Chester Powell. Unfortunately, Dr. Lende
sustained a serious ankle fracture at that first meeting that later led to his untimely death during a subsequent
surgical procedure. With the full support of Dr. Lende’s family, he became the namesake of this yearly
neurosurgical meeting. From 1975 forward, the meeting has been sponsored by the University of Utah and has
carried the name of the Richard Lende Winter Neurosurgery Conference. The meeting became increasingly
popular and has had an international attendance. A second tragedy took place in 1987 when a frequent supporter
of the meeting, Dr. David L. Kasdon, died in a scuba diving accident. The following year, a special lecture was
named after Dr. Kasdon, with Dr. Vinko Dolenc serving as the inaugural named lecturer. Since that time, many
prominent neurosurgeons (the list is found in this program) have continued this tradition, with Dr. Jaimie
Henderson serving as this year’s Kasdon lecturer.
Dr. Ted Roberts organized the first meeting, and Dr. Peter Heilbrun served as the director for the next 10
years. In 1983, Dr. Robert Hood took over as organizer of the meeting for the next 22 years. I have organized it
since 2005, at which time we added a biannual Neuro Oncology Update at the Huntsman Cancer Institute the
day before the beginning of the Snowbird meeting. Dr. Peter Heilbrun continued to be a major supporter of this
meeting until his untimely death in October 2010. At that time, a Saturday family dinner with accompanying
non-neurosurgical lecture was instituted to honor his legacy of neurosurgical innovation and love of adventure.
The meeting has changed over the years but continues to be an excellent outlet for discussion of relevant
neurosurgical topics and scientific discovery.
Randy Jensen, M.D., Ph.D.DAVID L. KASDON
This and all Lende meetings since 1988 are dedicated to the memory of “Deel,” whose untimely passing shocked
all of us who were privileged to know and love him. The void that we feel cannot be filled, for he was so much a
part of the vitality of this unique yearly gathering. His ability to enjoy life, to make work seem like play, is truly the
spirit embodied in the Lende meeting.
PAST KASDON LECTURERS
1988 VINKO V. DOLENC, M.D., Ph.D. 2005 EDWARD H. OLDFIELD, M.D.
1989 BENNETT M. STEIN, M.D. 2006 VOLKER K.H. SONNTAG, M.D.
1990 JOHN M. JACOBS, M.D. 2007 ROY A. PATCHELL, M.D.
1992 MADJID SAMII, M.D. 2007 MICHAEL P. POWELL, M.D.
1993 RUDOLF FAHLBUSCH, M.D. 2008 WARREN R. SELMAN, M.D.
1994 ROBERT F. SPETZLER, M.D. 2009 MANFRED WESTPHAL, M.D.
1996 AXEL PERNECZKY, M.D. 2010 RONALD I. APFELBAUM, M.D.
1997 NICHOLAS de TRIBOLET, M.D. 2011 E. ANTONIO CHIOCCA, M.D.
1998 BERNARD GEORGE, M.D. 2012 FREDRIC MEYER, M.D.
1999 M. PETER HEILBRUN, M.D. 2013 CHRISTOPHER SHAFFREY, M.D.
2000 L. NELSON HOPKINS, M.D. 2014 ROBERTO C. HEROS, M.D.
2001 PETER W. CARMEL, M.D. 2015 TAKANORI FUKUSHIMA, M.D.
2002 JAMES T. RUTKA, M.D., Ph.D. 2016 KIM J. BURCHIEL, M.D.
2003 STEVEN L. GIANNOTTA, M.D. 2017 ROBERT ROSSENWASSER, M.D.
2004 DAVID G. PIEPGRAS, M.D. 2018 JAMES M. MARKERT, M.D.
2019 MICHAEL HAGLUND, M.D.
THE 2020 KASDON LECTURER
JAIMIE HENDERSON, M.D.ACCREDITATION/DESIGNATION
This activity has been planned and implemented in accordance with the accreditation requirements and policies
of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of the
AANS and Richard Lende Winter Neurosurgery Conference. The AANS is accredited by the ACCME to
provide continuing medical education for physicians.
The AANS designates this live activity for a maximum of 20.75AMA PRA Category 1 Credits™. Physicians
should claim only the credit commensurate with the extent of their participation in the activity.
AANS JOINT PROVIDERSHIP DISCLAIMER
The material presented at the 46th Annual Meeting in 2020 has been made available by the Richard Lende
Winter Neurosurgery Conference and the AANS for educational purposes only. The material is not intended to
represent the only, nor necessarily the best, method or procedure appropriate for the medical situations
discussed, but rather it is intended to present an approach, view, statement, or opinion of the faculty, which may
be helpful to others who face similar situations.
Neither the content (whether written or oral) of any course, seminar or other presentation in the program, nor
the use of a specific product in conjunction therewith, nor the exhibition of any materials by any parties
coincident with the program, should be construed as indicating endorsement or approval of the views presented,
the products used, or the materials exhibited by the Richard Lende Winter Neurosurgery Conference and jointly
provided by the AANS, or its Committees, Commissions, or Affiliates.
Neither the AANS nor the Richard Lende Winter Neurosurgery Conference makes any statements,
representations or warranties (whether written or oral) regarding the Food and Drug Administration (FDA)
status of any product used or referred to in conjunction with any course, seminar or other presentation being
made available as part of the Richard Lende Winter Neurosurgery Conference. Faculty members shall have sole
responsibility to inform attendees of the FDA status of each product that is used in conjunction with any course,
seminar or presentation and whether such use of the product is in compliance with FDA regulations.
This will be a live presentation with interactive discussion and abstract presentations. The purpose of this meeting
is to present unbiased presentations by medical professionals. The abstracts are related to current research and
surgical procedures. Participants will have the opportunity to present abstracts in a friendly, casual environment.2020ANNUAL MEETING LEARNING OBJECTIVES
Upon completion of this CME activity, participants should be able to:
Objective 1: Identify the latest technology available for the endovascular treatment of intracranial aneurysms.
Objective 2: Discuss complex neuroscientific conditions requiring a science approach.
Objective 3: Explain some of the key developments and options for brain and skull base lesions and new techniques.
Objective 4: Explore the effective triage of surgical and non-surgical spine patients.
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-
line at: https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct. 1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-person.DISCLOSURES
The AANS and the Richard Lende Winter Neurosurgery Conference controls the content and production of this
CME activity and attempts to ensure the presentation of balanced, objective information. In accordance with the
Standards for Commercial Support established by the Accreditation Council for Continuing Medical Education
(ACCME), faculty, abstract reviewers, paper presenters/authors, co-authors, planning committee members, staff
and any others involved in planning the educational content and the significant others of those mentioned must
disclose any relationships they or their co-authors have with commercial interests which may be related to their
content. The ACCME defines “relevant financial relationships” as financial relationships in any amount
occurring within the past 12 months that create a conflict of interest.
The following persons planned or contributed to the planning of this CME activity:
Randy L. Jensen, M.D., Ph.D., University of Utah School of Medicine, Salt Lake City, UT
William T. Couldwell, M.D., Ph.D., University of Utah School of Medicine, Salt Lake City, UT
FACULTY DISCLOSURE LISTING
Those who have disclosed a relationship* with commercial interests are listed below:
Name Disclosure Type of Relationship
Howard Colman (Site PI/Institutional Contract): University Grants/Research Funding
Newlink Genetics, Plexxikon,
Kadmon, Orbus, Merck, DNATrix, Abbvie,
Beigene, Forma Therapeutics, GCAR,
Array BioPharma
Best Doctors, Karyopharm Therapeutics, Advisory Board/Consultant
Private Health, Orbus, Bayer, Forma
Therapeutics
Jaimie Henderson Boston Scientific University Grants/Research Funding
Circuit Therapeutics Consultant Fee
Enspire DBS, Circuit Therapeutics, Stock or Shareholder
Neuralink, Proteus Biomedical
Medtronic - supplies neurostimulators Other Financial or Material Support
free of charge for NIH funded clinical trial
Michael Karsy Cyrus Surgical, Thieme Publishing Commercial Interest
Randy Jensen* Medtronic Consultant Fee
John Rolston University of Utah, National Institutes University Grants/Research Funding
of Health, USTAR
MRI Interventions Inc. Industry Grant Support
Medtronic, NeuroPace Consultant Fee
Axion Biosystems Stock or Shareholder
University of Utah Employee
*Meeting PlannerThose who have reported they do not have any relationships with commercial interest:
Guilherme J. Agnoletto
Mohammed Alshareef
Cordell Baker
Jacqueline A. Bello
Michael T. Bounajem
Andrea Brock
Peter W. Carmel
William T. Couldwell *
Celina Crisman
Stephen Dell
Lanette Dunbar *
Ramin Eskandari
Jeffrey Florman
Keith George
Eric Huang
Evan Joyce
Michael Kim
Robert Kim
Bornali Kundu
Serge Makarenko
Marcus Mazur
Jeffrey Nadel
Thomas Origitano
Jonathan Scoville
Brandon Sherrod
Michael T. Walsh
*Meeting PlannerMEETING EXHIBITORS DePuy Synthes OssDsign USA, Inc. 325 Paramount Drive Regional Manager, Western U.S. Raynham, MA 02767 Julie K. Hardin 508-828-3440 917-757-0051 Integra Life Sciences Sophysa USA, Inc. 313 Enterprise Drive 503 E. Summit Street, Suite 5 Plainsboro, NJ 08536 Crown Point, IN 46307 435-452-8239 219-663-7741 KLS Martin Group Southwest Surgical, LLC PO Box 16369 7244 Glen Circle Jacksonville, FL 32245 Parker, CO 80134 904-641-7746 480-515-1680 Medtronic Neurosurgery Stryker 963 Sage Lane 750 Trade Centre Way, Suite 200 Fruit Heights, UT 84037 Portage, MI 49002 801-450-3010 269-389-4459 Nexxt Spine 10259 Port View Lane McCordsville, IN 46055 317-436-7801
SOCIAL PROGRAM
FRIDAY 7:00 pm - 8:30 pm Opening Reception, Ballroom II, Level B/Cliff
January 31
SATURDAY 12:30 pm - 2:00 pm Family Ski Lunch in Golden Cliff, Level B /Cliff
February 1 7:00 pm - 9:00 pm Heilbrun Lecturer with Family Dinner
Ballroom I, Level B/Cliff
SUNDAY 9:00 am Physician’s Group Photo
February 2 12:30 pm - 2:00 pm Family Ski Lunch in Golden Cliff, Level B/Cliff
Locations for Events:
Lende Surgical Video Presentations Ballroom I, Level B/Cliff
Lende Meeting Registered Participant’s Breakfast Ballroom II, Level B/Cliff
(7:00 am – 8:30 am)
Didactic Sessions Begin @ 8:00 am Ballroom I, Level B/Cliff
Exhibitors Ballroom II, Level B/Cliff
Opening Family Reception Ballroom I, Level B/Cliff
Family Ski Lunches Golden Cliff, Level B/Cliff
Heilbrun Lecturer/Family Dinner Ballroom I, Level B/CliffRICHARD LENDE PROGRAM – SNOWBIRD
SATURDAY MORNING, FEBRUARY 1, 2020
SURGICAL VIDEO PRESENTATION
7:00-8:00 am Operative Video Cases: Ballroom I
VASCULAR/FUNCTIONAL
8:00-8:15 am Spinal Arterial Aneurysms: Treatment Considerations for a Rare Entity.
JEFFREY NADEL, M.D., M.S., Salt Lake City, UT
Jeffrey Nadel, Ilyas Eli, Lubdah Shah, Erica Bisson, Ramesh Grandhi, Phillip Taussky,
Andrew Dailey
8:15-8:20 am Discussion
8:20-8:35 am Current Concepts on Delayed Aneurysm Rupture Post Flow Diverter Placement.
GUILHERME J. AGNOLETTO, M.D., Salt Lake City, UT
Agnoletto GJ, Gonsales D, Wakhloo AK, Hanel RA
8:35-8:40 am Discussion
8:40-8:55 am Pipeline Embolization in Patients with Posterior Circulation Subarachnoid Hemorrhages:
A Single Institution Experience.
CORDELL BAKER, M.D., Salt Lake City, UT
Cordell Baker, Ramesh Grandhi, Philipp Taussky
8:55-9:00 am Discussion
9:00- 9:20 am Intracerebral Hemorrhage Location Predicts Neurologic Outcome, Mortality, and End-of-
Treatment Intracerebral Hemorrhage Volume after Minimally Invasive Evacuation: A
Secondary Analysis of MISTIE III.
EVAN JOYCE, M.D., M.S., Salt Lake City, UT
Evan Joyce, Anish Deshmukh, Adam de Havenon, Jonathan Scoville, Safdar Ansari,
Alen Delic, Philipp Taussky, Matthew Alexander, Ramesh Grandhi
9:20-9:25 am Discussion
9:25-9:40 am A Retrospective Evaluation of Automated Optimization of Deep Brain Stimulation
Parameters.
ANDREA A. BROCK, M.D., Salt Lake City, UT
Johannes Vorwerk, Andrea A. Brock, Daria N. Anderson, John D. Rolston,
Christopher R. Butson
9:40-9:45 am Discussion9:45-10:00 am Fornicotomy for the Treatment of Epilepsy: An Examination of Historical Literature in
the Setting of Modern Operative Techniques.
BORNALI KUNDU, M.D., Salt Lake City, UT
Bornali Kundu, Brandon Lucke-Wold, Chase Foster, Dario J Englot, Ogaga Urhie,
Divine Nwafor, John D Rolston
10:00-10:05 am Discussion
10:05-10:25 am Epilepsy Surgery and Interictal Spikes.
JOHN ROLSTON, M.D., Salt Lake City, UT
John Rolston
10:25-10:30 am Discussion
10:30-11:15 am KASDON LECTURER
Central Thalamic Deep Brain Stimulation for Traumatic Brain Injury.
JAIMIE HENDERSON, M.D., Stanford, CA
Jaimie Henderson
11:15-11:20 am Discussion
11:20 am Adjourn
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-
line at: https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct.1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-person.SATURDAY SURGICAL VIDEO PRESENTATION
12:00-1:00 pm Operative Video Cases: Ballroom I
SATURDAY AFTERNOON, FEBRUARY 1, 2020
TUMOR/SKULL BASE
4:00-4:15 pm Phage Ligands: Nature and Applications.
STEPHEN DELL, M.D., Oakland, CA
Stephen Dell, George Pieczenik
4:15-4:20 pm Discussion
4:20-4:35 pm Clinical Outcomes in Patients with Renal Cell Carcinoma Metastases to the Choroid
Plexus.
CELINA CRISMAN, M.D, Worcester, MA
Celina M Crisman, Ankur Patel, Graham Winston, Cameron W Brennan, Viviane Tabar,
Nelson Moss
4:35-4:40 pm Discussion
4:40-4:55pm An Extensive Quantitative Analysis of Different Transcranial Surgical Corridors to the
Upper Petroclival Region.
MICHAEL KIM, M.D., Valhalla, NY
Filippo Veneziani Santonio, Vito Stifano, Lara Mastino, Philip E. Stieg,
Alexander I. Evins, Antonio Bernardo
4:55-5:00 pm Discussion
5:00-5:15 pm A Series of Peculiar Neurosurgical Cases see in a Semi-Rural, Regional Neurosurgical Practice.
T.C. ORIGITANO, M.D., PH.D., Kalispell, MT
TC Origitano
5:15-5:20 pm Discussion
5:20-5:35 pm Outcomes and Surgical Nuances in Management of Giant Pituitary Adenomas: A Review
of 100 Cases.
SERGE MAKARENKO, M.D., Salt Lake City, UT
Serge Makarenko, Ibrahim Alzahrani, Michael Karsy, Chandrasekhar Deopujari, William
Couldwell
5:35-5:40 pm Discussion
5:40-5:55 pm A Novel Scale for Describing Visual Outcomes in Patients Following Resection of
Lesions Affecting the Optic Apparatus – Unified Visual Function Scale.
SERGE MAKARENKO, M.D., Salt Lake City, UT
Serge Makarenko, Vincent Ye, Peter Goderham, Ryojo Akagami
5:55-6:00 pm Discussion6:00-6:15 pm Extracellular Glutamate and IDH1R132H Inhibitor Promote Glioma Growth by Boosting
Redox Potential.
L. ERIC HUANG, PH.D., M.D., Salt Lake City, UT
Patricia D. B. Tiburcio, David L. Gillespie, Randy L. Jensen, and L. Eric Huang
6:15-6:20 pm Discussion
6:20-6:35 pm Update on WHO 2016 and Consortium to Inform Molecular and Practical Approaches to
CNS Tumor Taxonomy (cIMPACT) Guidelines for Classification and Grading of Diffuse
Gliomas: Clinical and Clinical Trial Implications.
HOWARD COLMAN, MD, Ph.D., Salt Lake City, UT
Howard Colman
6:35-6:40 pm Discussion
6:40 pm Adjourn
7:00 pm Heilbrun Family Dinner and Warren Miller Ski Movie
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-
line at: https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct.1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-person.SUNDAY MORNING, FEBRUARY 2, 2020
SURGICAL VIDEO PRESENTATION
7:00-8:00 am Operative Video Cases: Ballroom I
GENERAL/TRAUMA NEUROSURGERY
8:00-8:15 am Utility of a Trauma-Dedicated Magnetic Resonance (MR) Protocol in Work-Up for
Traumatic Brain Injury.
MOHAMMED ALSHAREEF M.D., Charleston, SC
Mohammed Alshareef, Cheslea Shope, Vittoria Spampinato, Ramin Eskandari
8:15-8:20 am Discussion
8:20-8:35am Brain Biopsy for Prion Disease: Comprehensive Protocol Development and Early
Experience.
JEFFREY FLORMAN, M.D., Portland, ME
Jeffrey Florman, Anand Rughani, Jessica Atkinson
8:35-8:40 am Discussion
8:40-8:55 am Interpreting the Rhoton Legacy in the Age of Virtual/Augmented Reality: The
Northwestern University Virtual Skull Base Lab.
MICHAEL T WALSH, M.D., FAANS
Michael T. Walsh
8:55-9:00 am Discussion
9:00-9:15 am Novel Medical Adjuvants for the Prevention of Recurrence in Non-Acute
Subdural Hematomas.
MICHAEL T. BOUNAJEM, M.D., San Antonio, TX
Michael T. Bounajem, Geoffrey Peitz, Michael McGinity, Ramesh Grandhi
9:15-9:20 am Discussion
9:20-9:40 am Glial Scar Formation and Aquaporin Misallocation Indicate
Glymphatic Impairment in Neonatal Experimental Hydrocephalus.
RAMIN ESKANDARI, M.D., Charleston, SC
J. Tyler Vasas, J. Pat McAllister, Ramin Eskandari
9:40-9:45 am Discussion
9:45-10:05 am What is General Neurosurgery, is it a Subspecialty, and Should There be a Formal
Rotation in it During Neurosurgical Residency as Part of Transition to Practice?
TC ORIGITANO, M.D., PH.D., Kalispell, MT
TC Origitano
10:05-10:10 am Discussion10:10-10:30 am Reimaging Residency…Updates and Upsets.
JACQUELINE A. BELLO, M.D., Bronx, NY
Jacqueline A. Bello
10:30-10:35 am Discussion
10:35-10:50 am The Early Days of Functional and Stereotactic Neurosurgery.
PETER W CARMEL, M.D., New York, NY
Peter W Carmel
10:50-10:55 am Discussion
10:55-11:40 am KASDON LECTURER
Brain–Computer Interfaces for Restoration of Communication and Motor Function.
JAIMIE HENDERSON, M.D., Stanford, CA
Jaimie Henderson
11:40-11:45 am Discussion
11:45 am Adjourn
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-
line at: https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct.1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-person.SUNDAY SURGICAL VIDEO PRESENTATION
12:00-1:00 pm Operative Video Cases: Ballroom I
SUNDAY AFTERNOON, FEBRUARY 2, 2020
GENERAL
4:00-4:20 pm Neurosurgery Updates.
RANDY L. JENSEN, M.D., PH.D, Salt Lake City, UT
Randy L. Jensen
4:20-4:25 pm Discussion
4:25-7:00 pm Neurosurgical Jeopardy
RANDY L. JENSEN, M.D., PH.D., Salt Lake City, UT
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-
line at: https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct.1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-person.MONDAY MORNING, FEBRUARY 3, 2020
SURGICAL VIDEO PRESENTATION
7:00-8:00 am Operative Video Cases: Ballroom I
SPINE/PEDIATRIC
8:00-8:15 am The Role of Complement Activation in Secondary Injury after Neonatal
Germinal Matrix Hemorrhage.
MOHAMMED ALSHAREEF, M.D., Charleston, SC
Mohammed Alshareef, Khalil Mallah, Tyler Vasas, Ramin Eskandari,
Stephen Tomlinson
8:15-8:20 am Discussion
8:20-8:35 am Accuracy of Fetal MRI and Prenatal Ultrasound at Predicting Lesion Level and Perinatal
Motor Outcome in Patients with Myelomeningocele.
BRANDON A. SHERROD, M.D., Salt Lake City, UT
Brandon A Sherrod, Winson S Ho, Alec Hedlund, Anne Kennedy, Betsy Ostrander,
Robert J Bollo
8:35-8:40 am Discussion
8:40-8:55 am Comparison of Surgical Techniques in Metastatic Epidural Spinal Cord Compression: A
Systemic Review.
MOHAMMED ALSHAREEF, M.D., Charleston, SC
Mohammed Alshareef, Ali Alawieh, MD, Stephen Lowe, Bruce Frankel
8:55-9:00 am Discussion
9:00-9:20 am Wild-Type Transthyretin Amyloidosis and its Presentation in the Spine.
KEITH GEORGE, M.D., Boston, MA
Keith George, Rich Dowd, Jayde Nail, Anthony Yu, Michael Mastroianni , Andy Wang,
James Kryzanski, Ron Riesenburger
9:20-9:25 am Discussion
9:25-9:40 am Outcomes and Complications with Age in Spondylolisthesis: An Evaluation of the
Elderly from the Quality Outcomes Database.
MICHAEL KARSY, M.D., PH.D., Salt Lake City, UT
Michael Karsy, Andrew K. Chan, Praveen V. Mummaneni, Michael S. Virk,
Mohamad Bydon, Steven D. Glassman, Kevin T. Foley, Eric A. Potts,
Christopher I. Shaffrey, Mark E. Shaffrey, Domagoj Coric, Anthony L. Asher, John J.
Knightly, Paul Park, Kai-Ming Fu, Jonathan R. Slotkin, Regis W. Haid, Michael Wang,
Erica F. Bisson
9:40-9:45 am Discussion9:45-10:05 am Prolonged Length of Stay and Risk of Unplanned 30-day Readmission after
Elective Spine Surgery: Propensity Score–Matched Analysis of 33,840 Patients.
ROBERT KIM, M.D., Salt Lake City, UT
Robert Kim, Christopher Wilkerson, Michael Karsy, Evan Joyce,
John D. Rolston, William T. Couldwell, Mark A. Mahan
10:05-10:10 am Discussion
10:10-10:30 am A Radiographic Analysis of Pelvic Fixation Trajectories.
JONATHAN SCOVILLE, M.D., Salt Lake City, UT
Jonathan Scoville, Marcus Mazur
10:30-10:35 am Discussion
10:35-10:55 am Controversies in Spine Surgery: Minimally Invasive vs. Open Techniques.
MARCUS D. MAZUR, M.D., Salt Lake City, UT
Marcus D. Mazur
10:55-11:00 am Discussion
11:00 am Adjourn
The 2020 Richard Lende Evaluation and CME Attendance Verification will be available on-line at:
https://www.surveymonkey.com/r/2020LendeEval
Important Change to Your CME Reporting Requirements
All CME credits are now to be self-reported in MyAANS and instantly added to your transcript.
As of Oct.1, a $25 processing fee applies to any certificates sent via email, fax, postal mail or in-
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