Andre Michael Samuel, M.D. | Spine Surgery Houston

Education and Professional Training

8/1/2021 – 8/1/2022: Rothman Orthopaedic Institute/Thomas Jefferson University (upcoming)

Clinical Fellowship in Orthopaedic Spinal Surgery

06/16/2016 – 06/16/2021: Hospital for Special Surgery, New York, NY

Residency in Orthopaedic Surgery

08/12/2011 – 05/23/2016: Yale School of Medicine, New Haven, CT

Doctor of Medicine
Graduate with Honors

08/01/2007 – 05/16/2011: Baylor University, Waco, TX

Bachelors in Business Administration – With majors in Economics, Finance, and Baylor Business Fellows (Honors business degree program)

Minors in Biology, Biochemistry, and Mathematics
Baylor University Foreign Exchange Program, Madrid, Spain: (08/2009 – 12/2009)

Courses Attended

AO Trauma Basic Principles, Toronto, ON, Canada. October 26-29, 2017
AANA Resident/Fellow Foundations in Arthroscopy Course Rosemont, IL, November 11-13, 2018

AAOS Fundamentals of Hip and Knee Arthroplasty for Orthopaedic Residents, Rosemont, IL, April 27-29, 2018,
Weill Cornell Medicine 2nd Principles and Techniques of Complex Spinal Reconstruction Course, New York, NY. April 9, 2017

11th New York City MIS, Spinal Endoscopy, Robotics and 3D Navigation Symposium, New York, NY. December 14-16, 2017

Weill Cornell Medicine 3rd Principles and Techniques of Complex Spinal Reconstruction, New York, NY. March 30-31, 2018

ISASS Endoscopic and Percutaneous New Technologies and Techniques. Denver, CO September 14-15, 2018

12th New York City MIS, Spinal Endoscopy, Robotics, and 3D Navigation Symposium. New York, NY. December 13-15, 2018

Weill Cornell Medicine 4th Principles and Techniques of Complex Spinal Reconstruction, New York, NY. March 22-23, 2019

Joimax Spinal Endoscopy Brown University Residents and Fellows Course, Providence, RI, May 3-4, 2019

AOSpine Regional Residents Course: Surviving the Night, New York, NY. August 24, 2019

Awards, Merit Scholarships, & Research Fellowships

Andrew N. Swanson, MD, Alumni Traveling Fellowship to Foundation of Orthopedics and Complex Spine (FOCOS) Clinic in Ghana. 2021

Yale School of Medicine Farr Scholar Award for Research Excellence (May 2015)

Yale School of Medicine One Year Medical Student Research Fellowship (June 2014 – May 2015)

Yale School of Medicine Short-Term Medical Student Research Award (May 2012 – July 2012)

Magna Cum Laude, Baylor University (May 2011)

Outstanding Baylor Business Fellows Graduate Award (May 2011)

Awarded to the top graduate in Baylor Business Fellows program

Honors Program Graduate with Distinction (May 2011)

Based on completion of Honors Thesis and Humanities/Great Texts Curriculum

Baylor Health Care System Chief Medical Officer Internship Program (May 2010 – July 2010)

UT MD Anderson Cancer Center Summer Research Program (May 2008 – July 2008)

Baylor University Regents Scholarship (2007-2011) – Full Tuition and stipend

Research Grants

Iyer S, Samuel AM, Qureshi S, Sandhu H, Potter H, Carrino J, Wyss J, Casey E, Press J, Kirschner J, Shafi K. “Ultrashort Echo Time (UTE) MRI as a Marker for Refractory Low Back Pain and Degenerative Disc Disease: A Pilot Study” Hospital for Special Surgery Surgeon In Chief Research Grant. April 17, 2019 – April 17 2020. ($36,080)

Grauer JN, Leslie MP, Samuel AM, Bohl DD. “Comparison of Study Results Between the National Trauma Data Bank (NTDB) and Trauma Quality Improvement Program (TQIP): A Study of Femoral Diaphysis Fractures” Orthopaedic Trauma Association Research Grant. Jan 1, 2015 – Dec 31, 2015. ($3,850)

Original Peer-Reviewed Scientific Articles, PubMed Indexed

Dalal SS, Dupree DA, Samuel AM, Vaishnav AS, Gang CH, Qureshi SA, Bumpass DB, Overley SC. “Reoperations After Primary and Revision Lumbar Discectomy: Study of a National-Level Cohort with 8 Year Follow Up.” Spine J. 2022 Jun 17:S1529-9430(22)00251-0. doi: 10.1016/j.spinee.2022.06.005. Online ahead of print. PMID: 35724809

Anandasivam NS, Ondeck NT, Bagi PS, Galivanche AR, Samuel AM, Bohl DD, Grauer JN. “Spinal fractures and/or spinal cord injuries are associated with orthopedic and internal organ injuries in proximity to the spinal injury.” N Am Spine Soc J. 2021 Mar 21;6:100057. doi: 10.1016/j.xnsj.2021.100057. eCollection 2021 Jun. PMID: 35141623

Meza BC, Samuel AM, Albert TJ. “The Role of Vertebral Body Tethering in Treating Skeletally Immature Scoliosis.” HSS J. 2022 Feb;18(1):171-174. doi: 10.1177/15563316211008866. Epub 2021 Apr 21. PMID: 35087348

Samuel AM, Morse KW, Pompeu YA, Vaishnav AS, Gang CH, Kim HJ, Qureshi SA. “Preoperative opioids before adult spinal deformity surgery associated with increased reoperations and high rates of chronic postoperative opioid use at 3-year follow-up.” Spine Deform. 2022 May;10(3):615-623. doi: 10.1007/s43390-021-00450-z. Epub 2022 Jan 22.PMID: 35066794

Bovonratwet P, Retzky JS, Chen AZ, Ondeck NT, Samuel AM, Qureshi SA, Grauer JN, Albert TJ. “Ambulatory Single-level Posterior Cervical Foraminotomy for Cervical Radiculopathy: A Propensity-matched Analysis of Complication Rates” Clin Spine Surg. 2022 Mar 1;35(2):E306-E313. doi: 10.1097/BSD.0000000000001252.

PMID: 34654773 Manzur MK, Samuel AM, Vaishnav A, Gang CH, Sheha ED, Qureshi SA. “Cervical Steroid Injections Are Not Effective for Prevention of Surgical Treatment of Degenerative Cervical Myelopathy.” Global Spine J. 2021 Jul 5:21925682211024573. doi: 10.1177/21925682211024573. Online ahead of print. PMID: 34219493

Bovonratwet P, Gu A, Chen AZ, Samuel AM, Vaishnav AS, Sheha ED, Gang CH, Qureshi SA. “Computer-Assisted Navigation Is Associated With Decreased Rates of Hardware-Related Revision After Instrumented Posterior Lumbar Fusion.” Global Spine J. 2021 Jun 23:21925682211019696. doi: 10.1177/21925682211019696. Online ahead of print. PMID: 34159837

Steinhaus ME, Vaishnav AS, Shah SP, Clark NJ, Chaudhary CB, Othman YA, Urakawa H, Samuel AM, Lovecchio FC, Sheha ED, McAnany SJ, Qureshi SA. “Does loss of spondylolisthesis reduction impact clinical and radiographic outcomes after minimally invasive transforaminal lumbar interbody fusion.” Spine J. 2021 Jun 10;S1529-9430(21)00730-0. doi: 10.1016/j.spinee.2021.06.009. Online ahead of print. PMID: 34118417

Manzur MK, Samuel AM, Morse KW, Shafi KA, Gatto BJ, Gang CH, Qureshi SA, Iyer S. “Indirect Lumbar Decompression Combined With or Without Additional Direct Posterior Decompression: A Systematic Review.” Global Spine J. 2021 May 20:21925682211013011. doi: 10.1177/21925682211013011. Online ahead of print. PMID: 34011192

Samuel AM, Lovecchio FC, Premkumar A, Vaishnav AS, Kim HJ, Qureshi SA. “Association of Duration of Preoperative Opioid Use with Reoperation After One-Level Anterior Cervical Discectomy and Fusion in Non-Myelopathic Patients.” Spine (Phila Pa 1976). 2020 Dec 7. doi: 10.1097/BRS.0000000000003861. Online ahead of print. PMID: 33290380

Samuel AM, Lovecchio FC, Premkumar A, Louie PK, Vaishnav AS, Iyer S, McAnany SJ, Albert TJ, Gang CH, Qureshi SA. “Use of Higher-strength Opioids has a Dose-Dependent Association With Reoperations After Lumbar Decompression and Interbody Fusion Surgery.” Spine (Phila Pa 1976). 2021 Feb 1;46(3):E203-E212. doi: 10.1097/BRS.0000000000003751. PMID: 33079910

Moore HG, Samuel AM, Burroughs PJ, Pathak N, Tuason DA, Grauer JN. “Use of intraoperative navigation for posterior spinal fusion in adolescent idiopathic scoliosis surgery is safe to consider.” Spine Deform. 2021 Mar;9(2):403-410. doi: 10.1007/s43390-020-00218-x. Epub 2020 Oct 6. PMID: 33025389

Samuel AM, Munger AM, Lee FY, Friedlaender GE, Ibe IK, Lindskog DM. “Bone Scans Have Little Utility in the Evaluation of Well-Differentiated Cartilaginous Lesions of the Humerus.” Orthopedics. 2020 Nov 1;43(6):e498-e502. doi: 10.3928/01477447-20200827-05. Epub 2020 Sep 3. PMID: 32882054

Samuel AM, Morse K, Lovecchio F, Maza N, Vaishnav AS, Katsuura Y, Iyer S, McAnany SJ, Albert TJ, Gang CH, Qureshi SA. “Early Failures After Lumbar Discectomy Surgery: An Analysis of 62 690 Patients.” Global Spine J. 2020 Jul 17:2192568220935404. doi: 10.1177/2192568220935404. Online ahead of print. PMID: 32677471

Anandasivam NS, Bagi P, Ondeck NT, Galivanche AR, Kuzomunhu LS, Samuel AM, Bohl DD, Grauer JN. “Demographics, mechanism of injury, and associated injuries of 25,615 patients with talus fractures in the National Trauma Data Bank.” J Clin Orthop Trauma. 2020 May-Jun;11(3):426-431. doi: 10.1016/j.jcot.2019.06.007. Epub 2019 Jun 8. PMID: 32405203

Samuel AM, Maza N, Vaishnav AS, Lovecchio FC, Othman YA, McAnany SJ, Iyer S, Albert TJ, Gang CH, Qureshi SA. “Medical optimization of modifiable risk factors before thoracolumbar three-column osteotomies: an analysis of 195 patients.” Spine Deform. 2020 Apr 22. doi: 10.1007/s43390-020-00114-4. Online ahead of print. PMID: 32323168

Samuel AM, Langhans MT, Iyer S. “Spine surgeon ownership of ambulatory surgery centers.” Ann Transl Med. 2019 Sep;7(Suppl 5):S161. doi: 10.21037/atm.2019.05.89. PMID: 31624727

Samuel AM, Moore HG, Vaishnav AS, McAnany S, Albert T, Iyer S, Katsuura Y, Gang CH, Qureshi SA. “Effect of Myelopathy on Early Clinical Improvement After Cervical Disc Replacement: A Study of a Local Patient Cohort and a Large National Cohort.” Neurospine. 2019 Sep;16(3):563-573. doi: 10.14245/ns.1938220.110. Epub 2019 Sep 30. PMID: 31607089

Mok JK, Sheha ED, Samuel AM, McAnany SJ, Vaishnav AS, Albert TJ, Gang CH, Qureshi S. “Evaluation of Current Trends in Treatment of Single-level Cervical Radiculopathy.” Clin Spine Surg. 2019 Feb 12. doi: 10.1097/BSD.0000000000000796. [Epub ahead of print] PMID: 30762836

Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Samuel AM, Webb ML, Grauer JN. “Adverse Events Following Posterior Lumbar Fusion: A Comparison of Spine Surgeons Perceptions and Reported Data for Rates and Risk Factors.” Int J Spine Surg. 2018 Oct 15;12(5):603-610. doi: 10.14444/5074. eCollection 2018 Oct. PMID: 30364864

Bohl DD, Samuel AM, Webb ML, Lukasiewicz AM, Ondeck NT, Basques BA, Anandasivam NS, Grauer JN. “Timing of Adverse Events Following Geriatric Hip Fracture Surgery: A Study of 19,873 Patients in the American College of Surgeons National Surgical Quality Improvement Program.” Am J Orthop (Belle Mead NJ). 2018 Sep;47(9). doi: 10.12788/ajo.2018.0080. PMID: 30296324

Ondeck NT, Bohl DD, Bovonratwet P, Geddes BJ, Cui JJ, McLynn RP, Samuel AM, Grauer JN. “General Health Adverse Events Within 30 Days Following Anterior Cervical Discectomy and Fusion in US Patients: A Comparison of Spine Surgeons’ Perceptions and Reported Data for Rates and Risk Factors.” Global Spine J. 2018 Jun;8(4):345-353. doi: 10.1177/2192568217723017. Epub 2017 Sep 14. PMID: 29977718

Khormaee S, Samuel AM, Schairer WW, Derman PB, McLawhorn AS, Fu MC, Albert TJ. “Discharge to Inpatient Facilities After Lumbar Fusion Surgery is Associated with Increased Postoperative Venous Thromboembolism and Readmissions.” Spine J. 2018 Jun 1. pii: S1529-9430(18)30270-5. doi: 10.1016/j.spinee.2018.05.044. [Epub ahead of print] PMID: 29864544

Anandasivam NS, Russo GS, Samuel AM, Grant R, Bohl DD, Grauer JN. “Injuries Associated with Subdural Hematoma: A Study of the National Trauma Data Bank.” Conn Med. 2017 Apr;81(4):215-222. PMID: 29714406

Samuel AM, Diaz-Collado PJ, Gala RJ, Webb ML, Lukasiewicz AM, Basques BA, Bohl DD, Kim HJ, Grauer JN. “Thromboembolic Events After Traumatic Vertebral Fractures: An Analysis of 190,192 Patients.” Spine (Phila Pa 1976). 2018 Mar 13. doi: 10.1097/BRS.0000000000002634. [Epub ahead of print] PMID: 29538240

Samuel AM, Diaz-Collado PJ, Szolomayer LK, Wiznia DH, Chan WW, Lukasiewicz AM, Basques BA, Bohl DD, Grauer JN. “Incidence of and Risk Factors for Knee Collateral Ligament Injuries With Proximal Tibia Fractures: A Study of 32,441 Patients.” Orthopedics. 2018 Mar 1;41(2):e268-e276. doi: 10.3928/01477447-20180213-03. Epub 2018 Feb 19. PMID: 29451942

Basques BA, McLynn RP, Lukasiewicz AM, Samuel AM, Bohl DD, Grauer JN. “Missing data may lead to changes in hip fracture database studies: a study of the American College of Surgeons National Surgical Quality Improvement Program.” Bone Joint J. 2018 Feb;100-B(2):226-232. doi: 10.1302/0301-620X.100B2.BJJ-2017-0791.R1. PMID: 29437066

Samuel AM, Diaz-Collado PJ, Szolomayer LK, Nelson SJ, Webb ML, Lukasiewicz AM, Grauer JN. “Incidence of and Risk Factors for Inpatient Stroke After Hip Fractures in the Elderly.” Orthopedics. 2018 Jan 1;41(1):e27-e32. doi: 10.3928/01477447-20171106-04. Epub 2017 Nov 14. PMID: 29136256

Samuel AM, Moore HG, Cunningham ME. “Treatment for Degenerative Lumbar Spondylolisthesis: Current Concepts and New Evidence.” Curr Rev Musculoskelet Med. 2017 Dec;10(4):521-529. doi: 10.1007/s12178-017-9442-3. Review. PMID: 28994028

Anandasivam NS, Russo GS, Swallow MS, Basques BA, Samuel AM, Ondeck NT, Chung SH, Fischer JM, Bohl DD, Grauer JN. “Tibial shaft fracture: A large-scale study defining the injured population and associated injuries.” J Clin Orthop Trauma. 2017 Jul-Sep;8(3):225-231. doi: 10.1016/j.jcot.2017.07.012. Epub 2017 Jul 24. PMID: 28951639

Marty E, Liu Y, Samuel A, Or O, Lane JM. “A review of sarcopenia: Enhancing awareness of an increasingly prevalent disease.” Bone. 2017 Dec;105:276-286. doi: 10.1016/j.bone.2017.09.008. Epub 2017 Sep 18. doi: 10.1016/j.bone.2017.09.008. PMID: 28931495

Fu MC, Boddapati V, Gausden EB, Samuel AM, Russell LA, Lane JM. “Surgery for a fracture of the hip within 24 hours of admission is independently associated with reduced short-term post-operative complications.” Bone Joint J. 2017 Sep;99-B(9):1216-1222. doi: 10.1302/0301-620X.99B9.BJJ-2017-0101.R1. PMID: 28860403

Bohl DD, Ahn J, Lukasiewicz AM, Samuel AM, Webb ML, Basques BA, Golinvaux NS, Singh K, Grauer JN. “Severity Weighting of Postoperative Adverse Events in Orthopedic Surgery.” Am J Orthop (Belle Mead NJ). 2017 Jul/Aug;46(4):E235-E243. PMID: 28856354

Fu MC, Gruskay JA, Samuel AM, Sheha ED, Derman PB, Iyer S, Grauer JN, Albert TJ. “Outpatient Anterior Cervical Discectomy and Fusion is Associated With Fewer Short-term Complications in One- and Two-level Cases: A Propensity-adjusted Analysis.” Spine (Phila Pa 1976). 2017 Jul 15;42(14):1044-1049. doi: 10.1097/BRS.0000000000001988. PMID: 28697092

Webb ML, Bohl DD, Fischer JM, Samuel AM, Lukasiewicz AM, Basques BA, Grauer JN. “Electronic Health Record Implementation Is Associated With a Negligible Change in Outpatient Volume and Billing.” Am J Orthop (Belle Mead NJ). 2017 May/Jun;46(3):E172-E176. PMID: 28666044

Samuel AM, Fu MC, Anandasivam NS, Webb ML, Lukasiewicz AM, Kim HJ, Grauer JN. “After Posterior Fusions for Adult Spinal Deformity, Operative Time is More Predictive of Perioperative Morbidity, Rather Than Surgical Invasiveness: A Need for Speed?” Spine (Phila Pa 1976). 2017 Dec 15;42(24):1880-1887. doi: 10.1097/BRS.0000000000002243. PMID: 28538595

Fu MC, Samuel AM, Sculco PK, MacLean CH, Padgett DE, McLawhorn AS. “Discharge to Inpatient Facilities After Total Hip Arthroplasty Is Associated With Increased Postdischarge Morbidity.” J Arthroplasty. 2017 Sep;32(9S):S144-S149.e1. doi: 10.1016/j.arth.2017.03.044. Epub 2017 Mar 27. PMID: 28455181

Anandasivam NS, Russo GS, Fischer JM, Samuel AM, Ondeck NT, Swallow MS, Chung SH, Bohl DD, Grauer JN. “Analysis of Bony and Internal Organ Injuries Associated With 26,357 Adult Femoral Shaft Fractures and Their Impact on Mortality.” Orthopedics. 2017 May 1;40(3):e506-e512. doi: 10.3928/01477447-20170327-01. Epub 2017 Mar 31. PMID: 28358976

Basques BA, Ondeck NT, Geiger EJ, Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Massel DH, Mayo BC, Singh K, Grauer JN. “Differences in Short-Term Outcomes Between Primary and Revision Anterior Cervical Discectomy and Fusion.” Spine (Phila Pa 1976). 2017 Feb 15;42(4):253-260. doi: 10.1097/BRS.0000000000001718. PMID: 28207667

Nelson SJ, Webb ML, Lukasiewicz AM, Varthi AG, Samuel AM, Grauer JN. Is Outpatient Total Hip Arthroplasty Safe? J Arthroplasty. 2017 May;32(5):1439-1442. doi: 10.1016/j.arth.2016.11.053. Epub 2016 Dec 14. PMID: 28065622

Webb ML, Nelson SJ, Save AV, Cui JJ, Lukasiewicz AM, Samuel AM, Diaz-Collado PJ, Bohl DD, Ondeck NT, McLynn RP, Grauer JN. “Of 20,376 Lumbar Discectomies, 2.6% of Patients Readmitted Within 30 Days: Surgical Site Infection, Pain, and Thromboembolic Events Are the Most Common Reasons for Readmission.” Spine (Phila Pa 1976). 2017 Aug 15;42(16):1267-1273. doi: 10.1097/BRS.0000000000002014. PMID: 27926671

Basques BA, McLynn RP, Fice MP, Samuel AM, Lukasiewicz AM, Bohl DD, Ahn J, Singh K, Grauer JN. “Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data” Clin Orthop Relat Res. 2017 Dec;475(12):2893-2904. doi: 10.1007/s11999-016-5175-7. PMID: 27896677

Bohl DD, Ondeck NT, Samuel AM, Diaz-Collado PJ, Nelson SJ, Basques BA, Leslie MP, Grauer JN. “Demographics, Mechanisms of Injury, and Concurrent Injuries Associated With Calcaneus Fractures: A Study of 14 516 Patients in the American College of Surgeons National Trauma Data Bank.” Foot Ankle Spec. 2017 Oct;10(5):402-410. doi: 10.1177/1938640016679703. Epub 2016 Nov 28. PMID: 27895200

Ezaldein HE, Totonchy M, Chow C, Samuel A, Ventura A. “The effect of comorbidities on overall mortality in Stevens- Johnson Syndrome: an analysis of the Nationwide Inpatient Sample.” Dermatol Online J. 2017 Apr 15;23(4). pii: 13030/qt9333c5dw. PMID: 28541871

Samuel AM, Fu MC, Toy JO, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Albert TJ, Grauer JN. ” Most 30-day Readmissions After Anterior Cervical Discectomy and Fusion Are Not Due to Surgical Site-Related Issues: An Analysis of 17,088 Patients.” Spine (Phila Pa 1976). 2016 Dec 1;41(23):1801-1807. PMID: 27398892

Basques BA, Ibe I, Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Grauer JN. “Predicting Postoperative Morbidity and Readmission for Revision Posterior Lumbar Fusion.” Clin Spine Surg. 2017 Jul;30(6):E770-E775. doi: 10.1097/BSD.0000000000000391. PMID: 27280782

Basques BA, Gardner EC, Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Grauer JN. ” Injury patterns and risk factors for orthopaedic trauma from snowboarding and skiing: a national perspective.” Knee Surg Sports Traumatol Arthrosc. 2016 May 13. [Epub ahead of print] PMID: 27177641

Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Varthi AG, Leslie MP, Grauer JN. “Do we really know our patient population in database research?: A comparison of the femoral shaft fracture patient populations in three commonly used national databases.” Bone Joint J. 2016 Mar;98-B(3):425-32. doi: 10.1302/0301-620X.98B3.36285. PMID: 26920971

Samuel AM, Webb ML, Lukasiewicz AM, Basques BA, Bohl DD, Lane JM, Grauer JN. ” Variation in Resource Utilization for Patients With Hip and Pelvic Fractures Despite Equal Medicare Reimbursement.” Clin Orthop Relat Res. 2016 Jun;474(6):1486-94. doi: 10.1007/s11999-016-4765-8. Epub 2016 Feb 25. PMID: 26913512

Samuel AM, Rathi VK, Grauer JN, Ross JS. ” How do orthopaedic devices change after their initial FDA Premarket Approval?” Clin Orthop Relat Res. 2016 Apr;474(4):1053-68. doi: 10.1007/s11999-015-4634-x. Epub 2015 Nov 19. PMID: 26584802

Lukasiewicz AM, Bohl DD, Varthi AG, Basques BA, Webb ML, Samuel AM, Grauer JN. “Spinal fracture in patients with ankylosing spondylitis: cohort definition, distribution of injuries, and hospital outcomes.” Spine (Phila Pa 1976). 2016 Feb;41(3):191-6. doi: 10.1097/BRS.0000000000001190. PMID: 26579959

Samuel AM, Grauer JN, Rihn JA, Labrum JT. “Two-level Anterior Cervical Discectomy and Fusion: An Outpatient Surgery?” J Spinal Disord Tech. 2015 Dec;28(10):349-351. No abstract available. PMID: 26579588

Basques BA, Lukasiewicz AM, Samuel AM, Webb ML, Bohl DD, Smith BG, Grauer JN. “Which Pediatric Orthopaedic Procedures Have the Greatest Risk of Adverse Outcomes?” J Pediatr Orthop. 2015 Nov 10. [Epub ahead of print] PMID: 26558959

Basques BA, Diaz-Collado PJ, Geddes BJ, Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Ahn J, Singh K, Grauer JN. “Primary and Revision Posterior Lumbar Fusion Have Similar Short-term Complication Rates.” Spine (Phila Pa 1976). 2016 Jan;41(2):E101-6. doi: 10.1097/BRS.0000000000001094. PMID: 26539938

Basques BA, Long WD, Golinvaux NS, Bohl DD, Samuel AM, Lukasiewicz AM, Webb ML, Grauer JN. “Poor Visualization Limits Diagnosis of Proximal Junctional Kyphosis in Adolescent Idiopathic Scoliosis.” Spine J. 2015 Oct 30. pii: S1529-9430(15)01625-3. doi: 10.1016/j.spinee.2015.10.040. [Epub ahead of print] PMID: 26523958

Bohl DD, Samuel AM, Basques BA, Della Valle CJ, Levine BR, Grauer JN. “How much do adverse event rates differ between primary and revision total joint arthroplasty?” J Arthroplasty. 2016 Mar;31(3):596-602. doi: 10.1016/j.arth.2015.09.033. Epub 2015 Sep 28.

Samuel AM, Russo GS, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Grauer JN. “Surgical treatment of femoral neck fractures after 24 hours in patients between the ages of 18 and 49 is associated with poor inpatient outcomes: An analysis of 1,361 patients in the National Trauma Data Bank” J Orthop Trauma. 2016 Feb;30(2):89-94. doi: 10.1097/BOT.0000000000000456. PMID: 26429407

Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Davis KA, Grauer JN. “ICD-9 diagnosis codes have poor sensitivity in trauma patients, biasing database study results: A study of the National Trauma Data Bank.” J Trauma Acute Care Surg. 2015 Oct;79(4):622-30. doi: 10.1097/TA.0000000000000805 PMID: 26402537

Lukasiewicz AM, Grant RA, Basques BA, Webb ML, Samuel AM, Grauer JN. “Patient factors associated with 30 day morbidity, mortality and length of stay after surgery for subdural hematoma: A study of the ACS-NSQIP.” J Neurosurg. 2015 Aug 28:1-7. [Epub ahead of print] PMID: 26315000

Basques BA, Chung SH, Lukasiewicz AM, Webb ML, Samuel AM, Bohl DD, Smith BG, Grauer JN. “Predicting Short-term Morbidity in Patients Undergoing Posterior Spinal Fusion for Neuromuscular Scoliosis.” Spine (Phila Pa 1976). 2015 Dec;40(24):1910-7. doi: 10.1097/BRS.0000000000001093. PMID: 26261918

Bohl DD, Webb ML, Lukasiewicz AM, Samuel AM, Basques BA, Ahn J, Singh K, Vaccaro AR, Grauer JN. “Timing of Complications Following Spinal Fusion Surgery.” Spine (Phila Pa 1976). 2015 Oct 1;40(19):1527-35. doi: 10.1097/BRS.0000000000001073. PMID: 26230536

Basques BA, Anandasivam NS, Webb ML, Samuel AM, Lukasiewicz AM, Bohl DD, Grauer JN. “Risk Factors for Blood Transfusion with Primary Posterior Lumbar Fusion.” Spine (Phila Pa 1976). 2015 Jul 10. [Epub ahead of print] PMID: 26165220

Webb ML, Lukasiewicz AM, Samuel AM, Bohl DD, Basques BA, Varthi AG, Grauer JN. “Overall similar infection rates reported in the physician-reported Scoliosis Research Society database and the chart-abstracted American College of Surgeons National Surgical Quality Improvement Program database.” Spine (Phila Pa 1976). 2015 Sep 15;40(18):1431-5. doi:10.1097/BRS.0000000000001033. PMID: 26110664

Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Basques BA, Russo GS, Rathi VK, Grauer JN. ” Orthopaedic Surgeons Receive the Most Industry Payments to Physicians, but Large Disparities Seen in Sunshine Act Data” Clin Orthop Relat Res. 2015 Oct;473(10):3297-306. doi: 10.1007/s11999-015-4413-8. Epub 2015 Jun 19. PMID: 26088767

Rathi VK, Ross JS, Samuel AM, Mehra S. “Postmarket Modifications of High-Risk Therapeutic Devices in Otolaryngology Cleared by US Food and Drug Administration.” Otolaryngol Head Neck Surg. 2015 Jun 4. pii: 0194599815587508. [Epub ahead of print] PMID: 26044785

Basques BA, Bohl DD, Golinvaux NS, Samuel AM, Grauer JN. “General versus spinal anesthesia for hip fractures in patients aged 70 years and older.” Bone and Joint J. 2015 May;97-B(5):689-95. doi: 10.1302/0301-620X.97B5.35042. PMID: 25922465

Samuel AM, Bohl DD, Basques BA, Diaz-Collado PJ, Lukasiewicz AM, Webb ML, Grauer JN. “Analysis of Delays to Surgery for Cervical Spinal Cord Injuries.” Spine (Phila Pa 1976). 2015 Jul 1;40(13):992-1000. doi: 10.1097/BRS.0000000000000883. PMID: 25785963

Rathi VK, Samuel AM, Mehra S. “Industry Ties in Otolaryngology: Initial Insights from the Physician Payments Sunshine Act” Otolaryngol Head Neck Surg. 2015 Jun;152(6):993-9.no PMID: 25779469

Samuel AM, Grant RA, Bohl DD, Basques BA, Webb ML, Lukasiewicz AM, Diaz-Collado PJ, Grauer JN. “Delayed Surgery After Acute Traumatic Central Cord Syndrome is Associated with Reduced Mortality.” Spine (Phila Pa 1976). 2015 Mar 1;40(5):349-56. PMID: 25757037

Lukasiewicz AM, Basques BA, Bohl DD, Webb ML, Samuel AM, Grauer JN. “Myelopathy is associated with increased all-cause morbidity and mortality following ACDF: A study of 5,256 patients in ACS-NSQIP.” Spine (Phila Pa 1976). 2015 Apr 1;40(7):443-9. PMID: 25599286

Grauer JN, Samuel AM. “CORR Insights®: Incidence of Surgical Site Infection After Spine Surgery: What Is the Impact of the Definition of Infection?” Clin Orthop Relat Res. 2015 May;473(5):1620-1. PMID: 25315280

Samuel AM, Costa J, Lindskog DM. “Genetic alterations in chondrosarcomas – keys to targeted therapies?” Cell Oncol (Dordr). 2014 Apr;37(2):95-105. PMID: 24458248

Original Peer-Reviewed Scientific Articles, non-PubMed Indexed

Samuel AM, Vaishnav A, Gang C, Qureshi SA. “Revision Strategies in Minimally Invasive Spine Surgery” Contemporary Spine Surgery. 20(9):1-7, September 2019.

Samuel AM, Anandasivam NS, Diaz-Collado PJ, Lukasiewicz AM, Webb ML, Grauer JN. “Management of Acute Traumatic Central Cord Syndrome.” Contemporary Spine Surgery: 2016 Oct;17(10)1-7. doi: 10.1097/01.CSS.0000499725.56931.10

Book Chapters

Samuel AM, Vaishnav A, Gang C, Qureshi SA. “Optimizing Pain Management in Spine Patients” In: Vitale MG, Wang K, editors. “Safety in Spine Surgery” Wolters Kluwer. Alphen aan den Rijn, Netherlands (In press)

Qureshi SA, Vaishnav A, Samuel AM. “MIS Discectomy and Laminectomy” In: Barrett Boody B, Russo G, Vaccaro A, Anderson G, editors. “The Fellows Manual: Techniques of Spine Surgery”. Jaypee Brothers Medical Publishers Pvt. Ltd. New Delhi, India (In press)

Symposium Lectures at Academic Conferences

Samuel AM “Examples of contrasting database studies” (Session on National Database Research)

19th Annual Cervical Spine Research Society Instructional Course. San Diego, CA. December 2, 2015. (Podium Presentation – Given by Samuel AM)

Podium Presentations of Original Research at Academic Conferences

Samuel AM, Henderson JW. “Effects of International Medical Tourism on the Indian Physician Emigration.”

4th Annual Economic Scholars Program, Federal Reserve Bank, Dallas, Texas. Mar 26, 2010. (Podium Presentation – Given by Samuel AM)

Samuel AM, Webb ML, Lukasiewicz AM, Basques BA, Bohl DD, Grauer JN. “Thromboembolic Events After Traumatic Lumbar Vertebral Fractures: An Analysis Of 80,558 Patients.”

8th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL.: Apr 9-10, 2015 (Podium Presentation – Given by Samuel AM)

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Oral Poster Presentation – Given by Samuel AM)

Webb ML, Samuel AM, Lukasiewicz AM, Basques BA, Bohl DD, Varthi AG, Grauer JN. “Of 5,267 Lumbar Posterior Fusions, 4.35% Of Patient Readmitted Within 30 Days: Surgical Site Issues The Most Common Reasons For Readmission.”

8th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL: Apr 9-10. 2015 (Podium Presentation – Given by Webb ML).

Webb ML, Lukasiewicz AM, Samuel AM, Bohl DD, Basques BA, Varthi AG, Grauer JN. “Of 12,567 Lumbar Discectomies, 2.47% Of Patient Readmitted Within 30 Days: Pain Issues The Most Common Reasons For Readmission.”

8th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL: Apr 9-10. 2015 (Podium Presentation – Given by Webb ML).

Samuel AM, Bohl DD, Basques BA, Diaz-Collado PJ, Lukasiewicz AM, Webb ML, Grauer JN. “Factors Associated with Delays to Surgery After Cervical Spinal Cord Injury.”

67th Annual Meeting of ABJS: Eugene, Oregon. 8-12 July 2015. (Podium Presentation – Given by Grauer JN).

Bohl DD, Basques BA, Golinvaux NS, Lukasiewicz AM, Webb ML, Samuel AM, Ahn J, Singh K, Grauer JN. “Severity weighting of postoperative adverse events in orthopaedic surgery.”

67th Annual Meeting of ABJS: Eugene, Oregon. 8-12 July 2015. (Podium Presentation – Given by Grauer JN).

Annual Meeting of the New England Neurosurgical Society. Chatham, MA. June 25-27, 2015 (Podium Presentation – Given by Grant RA)

Rathi VK, Samuel AM, Mehra S. “Industry Ties in Otolaryngology: Initial Insights from the Physician Payments Sunshine Act”

Annual Meeting of American Academy of Otolaryngology – Head and Neck Surgery Foundation. Dallas, TX. September 27-30, 2015. (Podium Presentation – Given by Rathi VK)

Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Varthi AG, Leslie MP, Grauer JN. “Do We Really Understand the Patient Populations in Database Research: A Comparison of Femoral Shaft Fracture Patients in Three Commonly Used National Databases”

31st Annual Meeting of the Orthopaedic Trauma Association. San Diego, CA. October 7-10, 2015. (Podium Presentation – Given by Samuel AM)

Basques BA, Lukasiewicz AM, Samuel AM, Webb ML, Bohl DD, Grauer JN. “Missing Data May Invalidate Hip Fracture Database Studies.”

31st Annual Meeting of the Orthopaedic Trauma Association. San Diego, CA. October 7-10, 2015. (Podium Presentation – Given by Basques BA)

Samuel AM, Toy JO, Fu MC, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Albert TJ, Grauer JN. “Most 30-day readmissions after anterior cervical discectomy and fusion are not due to surgical site-related issues: An analysis of 10,006 patients”

43rd Annual Meeting of the Cervical Spine Research Society. San Diego, CA. December 3-5 2015. (Podium Presentation – Given by Fu MC)

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Podium Presentation – Given by Samuel AM)

Basques BA, Ondeck NT, Lukasiewicz AM, Webb ML, Samuel AM, Bohl DD, Ahn J, Toy JO, Singh K, Grauer JN. “Cervical Total Disc Replacement and Anterior Cervical Discectomy and Fusion have Similar Short-Term Complication Rates”

43rd Annual Meeting of the Cervical Spine Research Society. San Diego, CA. December 3-5 2015. (Podium Presentation – Given by Grauer JN)

Basques BA, Ondeck NT, Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Ahn J, Singh K, Grauer JN. “Missing Data May Invalidate Spine Surgery Database Studies.”

43rd Annual Meeting of the Cervical Spine Research Society. San Diego, CA. December 3-5 2015. (Podium Presentation – Given by Ondeck NT)

American Academy of Orthopaedic Surgeons 2016 Annual Meeting. Orlando, FL. 2016 Mar 1-5. (To be given by Basques BA).

9th Annual Meeting of the Lumbar Spine Research Society, Chicago, IL: April 14-15 2016. (Podium Presentation – Given by Ondeck NT)

Bohl DD, Samuel AM, Lukasiewicz AM, Webb ML, Basques BA, Della Valle CJ, Levine BR, Grauer JN. Which Adverse Events are Associated with Revision Versus Primary Total Joint Arthroplasty?

American Academy of Orthopaedic Surgeons 2016 Annual Meeting. Orlando, FL. 2016 Mar 1-5. (Podium Presentation – Given by Bohl DD).

Bohl DD, Samuel AM, Webb ML, Lukasiewicz AM, Basques BA, Levine BR, Grauer JN. Timing of Complications Following Total Joint Arthroplasty.

American Academy of Orthopaedic Surgeons 2016 Annual Meeting. Orlando, FL. 2016 Mar 1-5. (Podium Presentation – Given by Bohl DD).

Samuel AM, Rathi VK, Grauer JN, Ross JS “Post-market Changes To Orthopaedic Devices Cleared Via The FDA Premarket Approval Supplement Pathway”

American Academy of Orthopaedic Surgeons 2016 Annual Meeting. Orlando, FL. 2016 Mar 1-5. (Podium Presentation – Given by Samuel AM).

Samuel AM, Ibe I, Friedlaender GE, Lindskog DM. “Bone Scans Have Little Utility In Evaluation Of Well-differentiated Cartilaginous Lesions Of The Humerus”

American Academy of Orthopaedic Surgeons 2016 Annual Meeting. Orlando, FL. 2016 Mar 1-5. (Podium Presentation – Given by Samuel AM).

Samuel AM, Fu MC, Anandasivam NS, Lukasiewicz AM, Webb ML, Kim HJ, Grauer JN. Operative time better predictor of perioperative outcomes after long posterior fusions for adult spinal deformity than other surgical variables.

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Podium Presentation – Given by Samuel AM)

9th Annual Meeting of the Lumbar Spine Research Society, Chicago, IL: April 14-15 2016. (Podium Presentation – Given by Samuel AM)

Fu MC, Samuel AM, Sheha ED, Derman PD, Iyer S, Grauer JN, Kim HJ. “Outpatient Procedures Reduce Short-Term Complications in One- and Two-Level Anterior Cervical Discectomy and Fusion: A Propensity-Adjusted Analysis of 14,434 Patients”.

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Podium Presentation – Given by Samuel AM)

Samuel AM, Diaz-Collado PJ, Fu MC, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Grauer JN. “Hospital-acquired pneumonia occurs in 20.5% of cervical spinal cord injury patients and is associated with poor inpatient outcomes: An analysis of 5,198 patients in the National Trauma Data Bank.”

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Podium Presentation – Given by Samuel AM)

Samuel AM, Diaz-Collado PJ, Gala R, McLynn RP, Lukasiewicz AM, Basques B, Bohl DD, Grauer JN. Thromboembolic events after traumatic vertebral fractures: an analysis of 190,192 patients.

32nd Annual Meeting of the North American Spine Society; Orlando, FL. October 25-28, 2017 (Podium Presentation – Given by Diaz-Collado PJ)

Samuel AM, Maza N, Vaishnav A, Lovecchio F, Gang C, Qureshi SA. “Benefits of Medical Optimization before Thoracolumbar Three-Column Osteotomies: An Analysis of 618 Patients”

American Academy of Orthopaedic Surgeons 2019 Annual Meeting. Las Vegas, NV. 2019 Mar 14 (Podium Presentation – Given by Samuel AM).

19th Annual Meeting of the International Society for Advancement of Spine Surgery. Anaheim, CA April 3-5, 2019 (Podium Presentation – Given by Maza N).

54th Annual Meeting of Scoliosis Research Society. Toronto, CA. September 19, 2019 (Podium Presentation – To be given by Samuel AM).

Samuel AM, Maza N, Vaishnav A, Gang C, Qureshi SA. “Effect of myelopathy on outcomes after cervical disc replacement: A study of a local patient cohort and a large national cohort”

19th Annual Meeting of the International Society for Advancement of Spine Surgery. Anaheim, CA April 3-5, 2019 (Podium Presentation – Given by Maza N).

2019 Congress of Neurological Surgeons Annual Meeting. San Francisco, CA. Oct 19-23, 2019. (Podium Presentation)

Samuel AM, Maza N, Vaishnav A, Gang C, Qureshi SA. “Low Perioperative Complications and Good Short-Term Outcomes After Revision Spine Surgery Using Minimally Invasive (MIS) Techniques”

19th Annual Meeting of the International Society for Advancement of Spine Surgery. Anaheim, CA April 3-5, 2019 (Podium Presentation – Given by Maza N).

50th Annual Meeting of Eastern Orthopaedic Association. Palm Beach, FL. October 19, 2019 (Podium Presentation – To be given by Samuel AM).

Samuel AM, Maza N, Vaishnav A, Gang C, Qureshi SA. “Acute Readmission and Reoperation after Lumbar Decompression Surgery: An Analysis of 81 365 patients”

19th Annual Meeting of the International Society for Advancement of Spine Surgery. Anaheim, CA April 3-5, 2019 (Podium Presentation – Given by Othman Y).

2019 Congress of Neurological Surgeons Annual Meeting. San Francisco, CA. Oct 19-23, 2019. (Podium Presentation)

Poster Presentations of Original Research at Academic Conferences

Samuel AM, Diaz-Collado PJ, Gala R, Webb ML, Lukasiewicz AM, Basques BA, Bohl DD, Grauer JN. “Thromboembolic Events After Traumatic Lumbar Vertebral Fractures: An Analysis Of 80,558 Patients.”

30th Annual Meeting of the North American Spine Society. Chicago, IL. 14-17 October 2015. (Poster Presentation)

Samuel AM, Diaz-Collado PJ, Save AV, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Grauer JN. “Short-term Outcomes After Cauda Equina Syndrome: An Analysis Of 3,732 Patients.”

8th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL: Apr 9-10. 2015 (Poster Presentation)

30th Annual Meeting of the North American Spine Society. Chicago, IL. 14-17 October 2015. (Poster Presentation)

Lukasiewicz AM, Bohl DD, Samuel AM, Webb ML, Basques BA, Grauer JN. “Effect of Postoperative Complications on Length of Stay after Lumbar Fusion Procedures.”

8th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL: Apr 9-10. 2015 (Poster Presentation).

30th Annual Meeting of the North American Spine Society. Chicago, IL. 14-17 October 2015. (Poster Presentation)

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Poster Presentation)

Samuel AM, Bohl DD, Basques BA, Diaz-Collado PJ, Lukasiewicz AM, Webb ML, Grauer JN. “Factors Associated with Delays to Surgery After Cervical Spinal Cord Injury.”

128th Meeting of the American Orthopaedic Association. Providence, Rhode Island. Jun 24-27, 2015. (Poster Presentation)

30th Annual Meeting of the North American Spine Society. Chicago, IL. 14-17 October 2015. (Poster Presentation)

Bohl DD, Web ML, Lukasiewicz AM, Samuel AM, Golinvaux NS, Basques BA, Grauer JN. “How Long After Total Hip Arthroplasty Do Complications Occur?”

128th Meeting of the American Orthopaedic Association. Providence, Rhode Island. Jun 24-27, 2015. (Poster Presentation)

Bohl DD, Basques BA, Golinvaux NS, Lukasiewicz AM, Webb ML, Samuel AM, Ahn J, Singh K, Grauer JN. “Severity weighting of postoperative adverse events in orthopaedic surgery.”

128th Meeting of the American Orthopaedic Association. Providence, Rhode Island. Jun 24-27, 2015. (Poster Presentation)

Webb ML, Bohl DD, Basques BA, Samuel AM, Lukasiewicz AM, Gardner EC, Grauer JN. “Open Reduction and Internal Fixation vs. Arthroplasty for Proximal Humerus Fractures in 487 Geriatric Patients.”

128th Meeting of the American Orthopaedic Association. Providence, Rhode Island. Jun 24-27, 2015. (Poster Presentation)

Basques BA, Lukasiewicz AM, Webb ML, Samuel AM, Bohl DD, Smith BG, Grauer JN. “Predicting Short-term Morbidity in Patients Undergoing Posterior Spinal Fusion for Neuromuscular Scoliosis.”

30th Annual Meeting of the North American Spine Society. Chicago, IL. October 14-17, 2015. (Poster Presentation)

50th Annual Meeting of the Scoliosis Research Society: Minneapolis, MN. September 30 – October 3 2015. (Poster Presentation)

Basques BA, Lukasiewicz AM, Webb ML, Samuel AM, Bohl DD, Grauer JN. “Cervical Total Disc Replacement and Anterior Cervical Discectomy and Fusion have Similar Short-Term Complication Rates.”

30th Annual Meeting of the North American Spine Society. Chicago, IL. October 14-17, 2015. (Poster Presentation)

Samuel AM, Webb ML, Lukasiewicz AM, Varthi AG, Basques BA, Bohl DD, Grauer JN. “Hip and Pelvic Fracture Patients Incur Significantly Different Inpatient Costs, Despite Being Reimbursed Under the Same Medicare Diagnosis Related Group”

31st Annual Meeting of the Orthopaedic Trauma Association. San Diego, CA. October 7-10, 2015. (Poster Presentation)

Bohl DD, Ahn J, Lukasiewicz AM, Samuel AM, Webb ML, Basques BA, Golinvaux NS, Singh K, Grauer JN. “Severity Weighting of Adverse Events in Orthopaedic Trauma Surgery.”

31st Annual Meeting of the Orthopaedic Trauma Association. San Diego, CA. October 7-10, 2015. (Poster Presentation)

Bohl DD, Samuel AM, Lukasiewicz AM, Webb ML, Basques BA, Della Valle CJ, Levine BR, Grauer JN. Which Adverse Events are Associated with Revision Versus Primary Total Joint Arthroplasty?

25th Annual Meeting of the American Association of Hip and Knee Surgeons. Dallas, TX. November 5-8, 2015. (Poster Presentation).

43rd Annual Meeting of the Cervical Spine Research Society. San Diego, CA. December 3-5 2015. (Poster Presentation)

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Oral Poster Presentation)

Basques BA, Fischer J, Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Grauer JN. “Missing Data Significantly Affects Results from Total Joint Arthroplasty Database Studies.”

American Academy of Orthopaedic Surgeons 2016 Annual Meeting, Orlando, FL March 1-5 2016. (Poster Presentation)

Basques BA, Fischer J, Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Grauer JN. Missing Data Significantly Affects Results from Total Joint Arthroplasty Database Studies.

American Academy of Orthopaedic Surgeons 2016 Annual Meeting, Orlando, FL March 1-5 2016. (Poster Presentation)

Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Basques BA, Russo GS, Rathi VK, Grauer JN. “Large Disparities in Industry Payments to Orthopaedic Surgeons seen in Sunshine Act Data.”

American Academy of Orthopaedic Surgeons 2016 Annual Meeting, Orlando, FL March 1-5 2016. (Poster Presentation)

Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Varthi AG, Leslie MP, Grauer JN. “Do We Really Understand the Patient Populations in National Databases When Doing Trauma Research?”

American Academy of Orthopaedic Surgeons 2016 Annual Meeting, Orlando, FL March 1-5 2016. (Poster Presentation)

16th Annual Meeting of the International Society for Advancement of Spine Surgery. Las Vegas NV. Apr 6-8 2016. (Poster Presentation)

Ondeck NT, Anandasivam NS, Samuel AM, Bohl DD, Grauer JN. “Demographics, Mechanisms of Injury and Concurrent Injuries Associated with Lumbar Spine Injuries: A study of 82,223 patients.”

129th Meeting of the American Orthopaedic Association. Seattle, WA. June 22-25, 2016. (Poster Presentation)

9th Annual Meeting of the Lumbar Spine Research Society, Chicago, IL: April 14-15 2016. (Poster Presentation)

Samuel AM, Fu MC, Schairer WW, Derman PB, McLawhorn AS, Albert TJ. “Continued Inpatient Care After Posterior Lumbar Fusion Is Associated With Increased Post-Discharge Complications: A Propensity-Adjusted Analysis”

10th Annual Meeting of the Lumbar Spine Research Society. Chicago, IL: Apr 6-7. 2017 (Poster Presentation).

Fu MC, Samuel AM, Sculco PK, MacLean CH, Padgett DE, McLawhorn AS. “Discharge to Inpatient Facilities After Total Hip Arthroplasty Is Associated With Increased Postdischarge Morbidity.”

Annual Meeting of the American Association of Hip and Knee Surgeons. Dallas, TX: Apr 6-7. 2017 (Poster Presentation).

Samuel AM, Maza N, Vaishnav A, Lovecchio F, Gang C, Qureshi SA. “Benefits of Medical Optimization before Thoracolumbar Three-Column Osteotomies: An Analysis of 618 Patients”

2019 Annual Meeting of the American Association of Neurosurgeons. San Diego, CA April 13-17, 2019

46th Annual Meeting of International Society for the Study of he Lumbar Spine. Kyoto, Japan. June 3-7 2019

2019 Annual Meeting of the North American Spine Society. Chicago, IL. September 25-28, 2019

2019 Congress of Neurological Surgeons Annual Meeting. San Francisco, CA. Oct 19-23, 2019.