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Research Articles

  1. Heckmann N, Sivasundaram L, Lieberman JR. Propionibacterium Acnes Infection in the Unoperated Hip: A Case Report. JBJS Case Connector. 2015; 5(3): e60. doi: 10.1016/j.arth.2017.12.040.

  2. Sivasundaram L, Matcuk G, White E, et al. Partial Semitendinosus Tear in a Young Athlete: A Case Report. Skeletal Radiology. 2015; Jul 44(7): 1051-6. doi: 10.1007/s00256-015-2133-5.

  3. Sivasundaram L, Hazany S, Wagle N, et al. Diffusion Restriction in Non-Enhancing Brain Tumor Treated with Bevacizumab- Recurrent Tumor or Atypical Necrosis? Clinical Imaging. 2014; 38(5): 724-6. doi: 10.1016/j.clinimag.2014.04.014. 

  4. Sivasundaram L, Heckmann N, Pannell W, et al. Preoperative Risk Factors for Discharge to a Post-Acute Care Facility Following Shoulder Arthroplasty. Journal of Shoulder and Elbow Surgeons. 2015; 46(15): 1-6. doi: 10.1016/j.jse.2015.07.028.

  5. Pannell WC, Alluri RK, Sivasundaram L, Heckmann N, et al. Utility of Postoperative Imaging in Radial Shaft Fractures. Hand. 2016; 11(2): 184-7. doi: 10.1177/1558944715627629.

  6. Heckmann N, Sivasundaram L, Villacis D, et al. Radiographic Landmarks for Identifying the Anterolateral Ligament of the Knee. Arthroscopy. 2016; 32(5): 844-8. doi: 10.1016/j.arthro.2015.11.022.

  7. Villacis D, Sivasundaram L, Pannell W, et al. Complication Rate and Implant Survival for Reverse Shoulder Arthroplasty versus Total Shoulder Arthroplasty: Results during the Initial 2 Years. Journal of Shoulder and Elbow Surgeons 2016; 46(15). doi: 10.1016/j.jse.2015.10.012.  

  8. Alluri RK, Pannell WC, Heckmann N, Sivasundaram L, et al. Predictive Factors of Neurovascular and Tendon Injuries Following Dog Bites to the Upper Extremity. Hand. 2016; 11(4): 469-474. doi: 10.1177/1558944715620794.

  9. Foster BD, Sivasundaram L, Cohen JR, et al. Cost Analysis and Practice Patterns in Carpal Tunnel Release. Hand. 2017; 12(2); 162-167. doi: 10.1177/1558944716643276.

  10. Hill JR, McKnight B, Pannell WC, Heckmann N, Sivasundaram L, et al. Risk Factors for Thirty-Day Readmission Following Shoulder Arthroscopy. Arthroscopy. 2017; 33(1): 55-61. doi: 10.1016/j.arthro.2016.06.048.

  11. Dunphy T, Damodar D, Heckmann N, Sivasundaram L, et al. Functional Outcomes of Type V Acromioclavicular Injuries with Nonoperative Treatment. Journal of the American Academy of Orthopaedic Surgeons. 2016; 24(10): 728-34. doi: 10.5435/JAAOS-D-16-00176.

  12. Foster BD, Sivasundaram L, Heckmann N, Pannell WC, Alluri RK, Ghiassi A. Distal Radius Fractures Do Not Displace Following Splint or Cast Removal in the Acute, Post-Reduction Period: A Prospective, Observational Study. J Wrist Surg. 2017; 6(1): 54-59. doi: 10.1055/s-0036-1588006.

  13. Sivasundaram L, Pannell WC, Heckmann N, Alluri RK, Omid R, Hatch GFR III. Database Studies: An Increasing Trend in Orthopaedic Literature. Curr Orthop Pract. 2016; 27(6): 673-79.

  14. Pannell WC, Heckmann N, Alluri RK, Sivasundaram L, Ghiassi A. Predictors of Nerve Injury after Gunshot Wounds to the Upper Extremity. Hand. 2017; 12(5): 501-506. doi: 10.1177/1558944716675294.    

  15. Heckmann N, Bradley A, Sivasundaram L, Alluri RK, Tan EW. Total Ankle Arthroplasty versus Arthrodesis for the Treatment of Tibiotalar Osteoarthritis: Does Insurance Matter? Foot Ankl Int. 2017; 38(2): 133-139. doi: 10.1177/1071100716674311.

  16. Pendi A, Acosta F, Tuchman A, Movahedi R, Sivasundaram L, Arif I, Gucev G. Intrathecal morphine in spine surgery: a meta-analysis of randomized controlled trials. Spine. 2017; 42(12): E740-E747. doi: 10.1097/BRS.0000000000002198.

  17. Sivasundaram L, Heidari SK, Alluri RK, Heckmann N, McKnight B, Hill JR, Hatch GFR III. Discharge Destination after Shoulder Arthroplasty: An Independent Risk Factor for Readmission and Complication? J Am Acad Orthop Surg. 2018; Apr 1;26(7):251-259. doi: 10.5435/JAAOS-D-16-00841.

  18. Cooper JD, Heckmann N, Damodar D, Sivasundaram L, McKnight B, Hatch GFR III. Nonoperative Minimally-Displaced Patella Fractures: Not a Benign Injury. Adv Clin Transl Res 3(1): 100019.

  19. Heckmann N, Dusch MN, Pannell WC, Bauschard M, Alluri RK, Sivasundaram L, Ghiassi A. The Utility of Plain Films for Nonoperative Fifth Metacarpal Fractures: Are Follow-Up Radiographs Necessary? Hand. 2016; 11(2): 184-7. doi: 10.1177/1558944717733278.

  20. Heckmann N, Sivasundaram L, Stefl M, Kang P, Basler E, Lieberman JR. Total Hip Arthroplasty Bearing Surface Trends in the United States from 2007-2014: The Rise of Ceramic on Polyethylene.  J Arthroplasty. 2018; Jun 33(6):1757-1763.e1. doi: 10.1016/j.arth.2017.12.040. Epub 2018 Jan 9.

  21. Kim C, Sivasundaram L, LaBelle M, Trivedi N, Liu RW, Gillespie RJ. Predicting Adverse Events, Length of Stay, and Discharge Disposition following Shoulder Arthroplasty: A Comparison of the Elixhauser Comorbidity Measure and Charlson Comorbidity Index. J Shoulder Elbow Surg. 2018; S1058-2746(18)30209-X.

  22. Heckmann N, Sivasundaram L, Heidari KS, Weber AE, Mayer EN, Omid R, Vangsness CT, Hatch GFR III. Proprionobacterium Acnes Persists Despite Various Skin Preparations. Arthroscopy. 2018; S0749-8063(18)30049-5.

  23. Sivasundaram L, Tanenbaum J, Trivedi N, Kim CY, Bafus BT, Hoyen H, Gillespie RJ, Wera GD. Predicting Discharge Disposition after Shoulder Arthroplasty in the United States. JAAOS. 2019 May 1;27(9): e444-e450. doi: 10.5435/JAAOS-D-17-00743.

  24. Kim C, Sivasundaram L, Trivedi N, Labelle MW, Liu RW, Gillespie RJ. Response to Mohammadi et al regarding: "Predicting adverse events, length of stay, and discharge disposition following shoulder arthroplasty: a comparison of the Elixhauser Comorbidity Measure and Charlson Comorbidity Index". J Shoulder Elbow Surg. 2018; S1058-2746(18)30743-2.

  25. Trivedi NN, Sivasundaram L, Wang C, Kim CY, Buser Z, Wang JC, Ochenjele G. Chemoprophylaxis for the Hip Fracture Patient: A Comparison of Warfarin and Low-Molecular Weight Heparin. Journal of Orthopaedic Trauma. 2019; May 33(5):216-219. doi: 10.1097/BOT.0000000000001435.

  26. Cooper ME, Trivedi N, Sivasundaram L, Karns MR, Voos JE, Gillespie RJ. Diagnosis and management of periprosthetic joint infection after shoulder arthroplasty. JBJS Reviews. 2019; Jul 7(7):e3. doi: 10.2106/JBJS.RVW.18.00152.

  27. Kim CY, Sivasundaram L, Trivedi NN, Gilmore A, Gillespie RJ, Salata MJ, Liu RW, Voos JE. A 46-Year Analysis of Gender Trends in Academic Authorship in Orthopaedic Sports Medicine. JAAOS. 2019 Jul 1;27(13):493-501. doi: 10.5435/JAAOS-D-18-00669.

  28. Sivasundaram L, Trivedi NN, Gatta J, Kim CY, Ning A, Mistovich RJ. Demographics and Risk Factors for Non-Accidental Orthopaedic Trauma. Clin Pediatr(Phila). 2019; Jun 58(6):618-626. doi: 10.1177/0009922819829045.

  29. Trivedi NN, Sivasundaram L, Su C, Knapik DM, Mather RC, Nho SJ, Salata MJ. Indications and Outcomes of Arthroscopic Labral Reconstruction of the Hip-A Systematic Review. Arthroscopy. 2019; Jul 35(7):2175-2186. doi: 10.1016/j.arthro.2019.02.031.

  30. Antonios JK, Korber S, Sivasundaram L, Mayfield C, Kang HP, Oakes DA, Heckmann ND. Trends in computer navigation and robotic assistance for total knee arthroplasty in the United States: an analysis of patient and hospital factors. Arthroplasty Today. 2019; 12;5(1):88-95. doi: 10.1016/j.artd.2019.01.002.

  31. Sivasundaram L, Trivedi NN, Gatta J, Kim CY, Neral M, Mistovich RJ. Demographics and Risk Factors for Pediatric Compartment Syndrome. Pediatric Emergency Care. In Press. 

  32. Du J, Knapik DM, Trivedi NN, Sivasundaram L, Mather RC, Nho SJ, Salata MJ. Unplanned Readmissions Following Hip Arthroscopy: Incidence and Risk Factors. Arthroscopy. 2020 Jun; 26(6):1575-1583. Doi: 10.1016/j.arthro.2020.02.008.

  33. Kim CY, Trivedi NN, Sivasundaram L, Ochenjele G, Liu RW, Vallier HA. Predicting Postoperative Complications and Mortality after Acetabulum Surgery in the Elderly: A Comparison of Risk Stratification Models. Curr Orthop Pract. In Press.

  34. Sivasundaram L, Paliobeis A, Labelle MW, Kim CY, Trivedi NN, Karns MR, Salata MJ, Voos JE. Demographics, Risk Factors, and Complication/Readmission Rates following Multi-Ligament Knee Reconstruction. Curr Orthop Pract. In Press. 

  35. Sivasundaram L, Wang JH, Kim CY, Trivedi NN, Liu RW, Voos JE, Bafus BT, Malone KJ. Emergency Department Utilization following Outpatient Hand Surgery. JAAOS. 2020 Aug 1;29(15):639-649. Doi: 10.5435/JAAOS-D-19-00527.

  36. Trivedi NN, Abola M, Kim CY, Sivasundaram L, Smith EJ, Ochenejele G. The Incremental Cost of Inpatient Venous Thromboembolism following Hip Fracture Surgery. J Orthop Trauma. 2020 Apr;34(4):169-173. 10.1097/BOT.0000000000001675.

  37. Sivasundaram L, Kim CY, Trivedi NN, Ahn NA. Do Current Comorbidity Indices Accurately Predict Adverse Events following Operative Fixation of Hip Fractures? Curr Orthop Pract. In Press. 

  38. Sivasundaram L, Trivedi NN, Kim CY, Du J, Liu RW, Voos JE, Salata MJ. Emergency Department Utilization following Elective Hip Arthroscopy. Arthroscopy. 2020 June; 36(6):1575-1583.e1.doi: 10.1016/j.arthro.2020.02.008.

  39. Sivasundaram L, Tanenbaum J, Mengers SRP, Trivedi NN, Su CA, Salata MJ, Ochenjele G, Voos JE, Wetzel RJ. Identifying a Clinical Decision Tool to Predict Discharge Disposition following Operative Treatment of Hip Fractures in the United States. Injury. 2020 Apr; 51(4):1015-1020. Doi:10.1016/j.injury.2020.02.108.

  40. Lee RC, Abola MV, Du JY, Tanenbaum JE, Sivasundaram L, Bafus BT, Voos JE. Preoperative Hyponatremia is Associated with Postoperative Major Morbidity, Prolonged Length of Stay, Non-Home Discharge, and Readmission in Total Shoulder Arthroplasty. Seminars in Arthroplasty: JSES. In Press.

  41. Trivedi NN, Shimberg J, Sivasundaram L, Mengers S, Salata MJ, Voos JE, Gillespie RJ. Advances in Glenoid Design in Anatomic Total Shoulder Arthroplasty. J Bone Joint Surg Am. 2020 Oct 21; 102(20):1825-1835. Doi: 102106/JBJS.19.01294

  42. Sivasundaram L, Yazdan R, Mengers SRP, Trivedi NN, Du JY, Karns MJ, Voos JE, Lee A, Gillespie RJ. Investigating the International Normalized Ratio (INR) Thresholds for Complication in Primary Shoulder Arthroplasty. JAAOS. In Press.

  43. Du JY, Sivasundaram L, Trivedi NN, Voos JE, Victoroff BN. Obesity is Preferentially Associated with Patellofemoral Compartment Wear: A Magnetic Resonance Imaging Assessment. JAAOS. 2020 Dec 2; doi: 10.5435/JAAOS-D-20-00596

  44. Copp JA, Sivasundaram L, Abola M, Schell A, Trivedi NN, Ochenjele G. Is Timing to Surgery an Independent Risk Factor for Complications following Operative Treatment of Periprosthetic Lower Extremity Fractures? J Orthop Trauma. 2020 Oct 30; doi: 10.1097/BT.000000000001993

  45. Du JY, Trivedi NN, Joseph N, Sivasundaram L, Vallier H, Ochenjele G. Evaluation of International Normalized Ratio (INR) Thresholds for Complications in Hip Fractures Treated with Intramedullary Nailing: Analysis of 20,800 Cases. Journal of the American Academy of Orthopaedic Surgeons. 2020 Dec 17; doi: 10.5435/JAAOS-D-19-00643

  46. Su CA, Labelle MJ, Ina J, Sivasundaram L, Nho S, Mather RC, Salata MJ. The Safe Zones for Endoscopic Proximal Hamstring Repair: A Cadaveric Assessment of Standard Portal Placement and Relationship to Major Neurovascular Structures. Hip Int. In Press.

  47. Paliobeis A, Sivasundaram L, Labelle MJ, Knapik DJ, Olson M, Karns MR, Salata MJ, Voos JE. Injury Incidence on Artificial Turf and Natural Grass among High School Athletes. Curr Orthop Pract. In Press.

  48. Raji Y, Vakharia AM, Strony JT, Sivasundaram L, Trivedi NN, Karns MR, Salata MJ, Voos JE. Arthroscopic Assisted Anterior Cruciate Ligament Reconstruction using Bone-Patellar Tendon-Bone Autograft: Challenges and Solutions of Medial Independent Femoral Tunnel Drilling. Video Journal of Sports Medicine. In Press.

  49. Sivasundaram L, Mengers S, Paliobeis A, Trivedi NN, Su CA, Karns MJ, Salata MJ, Voos JE. Injury Risk Among Athletes on Artificial Turf: A Review of Current Literature. Curr Orthop Pract.

  50. Heckmann ND, McKnight B, Chen XT, Chung B, Hill JR, Sivasundaram L, Omid R, Hatch GFR III. Interobserver and Intraobserver Reliability of the Sirveaux Classification of Scapular Notching following Reverse Total Shoulder Arthroplasty. Orthopaedics. In Press.

  51. Su CA, Trivedi NN, Le HT, Sivasundaram L, Maak TG, Salata MJ, Voos JE, Karns MR. Clinical and Radiographic Outcomes following Treatment of Patellar Chrondral Defects – A Systematic Review. Sports Health.

  52. Sivasundaram L, Mengers S, Trivedi NN, Strony JT, Salata MJ, Voos JE, Victoroff BN, Karns MR, Gillespie RJ. Oral Ketorolac as an Adjuvant Agent for Postoperative Pain Control following Rotator Cuff Repair: A Prospective, Randomized, Controlled Study. JAAOS. In Press. 

  53. Vakharia AJ, Ina J, Sivasundaram L, Trivedi NN, Gilespie RJ. Comparison Study of Patient Demographics, Causes, Costs, and Risk-Factors Associated with Ninety-Day Readmissions following Primary Reverse Shoulder Arthroplasty. J Shoulder Elbow Surg. 2021 July; doi: 10/1016/j.jse.2021.03.043

  54. Sivasundaram L, Hevesi M, Jan K, Nho SJ. Arthroscopic Ischial Tuberoplasty: Treatment of Ischiofemoral Impingement. Video Journal of Sports Medicine. In Press.

  55. Vadhera AS, Sivasundaram L, Swindell HW, Dasari SP, Khan S, Kerzner B, Verma N, Chahla J. Patellofemoral Arthroplasty: A Technical Note. Video Journal of Sports Medicine. In Press.

  56. Hevesi M, Sivasundaram L, Rice MW, Paul K, Nho S. Arthroscopic Labral Reconstruction: Treatment of Irreparable Labral Tears with Allograft Reconstruction. Video Journal of Sports Medicine. In Press.

  57. Raji Y, Vakharia AM, Chen M, Sivasundaram L, Wang JH, Salata MJ, Voos JE, Gillespie RJ. Emergency Department Utilization is Low Following Outpatient Elective Rotator Cuff Repair. JAAOS. In Press.

  58. Sivasundaram L, Rice MW, Horner NS, Browning RB, Ephron CG, Wolff AW, Christoforetti JJ, Carreira DS, Salvo JP, Ellis TJ, Matsuda DK, Harris JD, Nho SJ. Does the extent of synovitis identified intraoperatively affect postoperative pain at 2-years during arthroscopic treatment of femoroacetabular impingement syndrome? Results from the multicenter arthroscopic study of the hip (MASH) study group. Submitted to: International Orthopaedics. (2022).

  59. Sivasundaram L, Hevesi M, Rice MW, Paul KM, Salata M, Mather R, Chahla J, Nho SJ. ’Scopen' Scope to Open Hamstring Repair: A Technical Note. Video Journal of Sports Medicine. Accepted 02/24/2021.

  60. Sivasundaram L, Rice MW, Hevesi M, Ephron CG, Nho SJ. Presence of a posterior wall sign in the treatment of femoroacetabular impingement syndrome: A matched comparative cohort analysis at minimum 2-year follow-up. Journal of Arthroplasty. Accepted 3/14/22.

  61. Trasolini NA, Sivasundaram L, Rice MW, Gursoy S, Clapp IM, Alter TD, Gaggiotti S, Nho SJ. Comparative efficacy of ultrasound versus fluoroscopy for distraction and portal establishment in hip arthroscopy: A cadaveric study. Arthroscopy, Sports Medicine, and Rehabilitation. Accepted 03/18/2021.

  62. Alter TD, Knapik DM, Lambers F, Sivasundaram L, Mallow P, Chahla J, Nho SJ. Inferior Outcomes for Arhtroscopic Treatment of Femoroacetabular Impingement with Acetabular Retroversion: A 3D Computer Tomography Analysis. Am J Sports Med. In Press.

  63. Rice MW, Sivasundaram L, Browning RB, Holland TC, Paul KM, Nho SJ. Defining minimal clinically important difference and patient acceptable symptom state after gluteus medius repair at 5-years. Am J Sports Med. In Press.

  64. Sivasundaram L, Rice MW, Horner N, Efron C, Nho SJ. Hip Arthroscopy for the Treatment of Femoroacetabular Impingement Syndrome in Hips with Mild Osteoarthritis: A Matched Comparative Cohort Analysis at Minimum 5-Year Follow-Up. Am J Sports Med. In Press.

  65. Vadhera A, Sivasundaram L, Swindell H, Dasari SP, Khan ZA, Kerzner B, Verma NN, Chahla J. Patellofemoral Arthroplasty: A Technical Note. Video Journal of Sports Medicine. In Press.

  66. Kaiser JT, Meeker ZD, Horner NS, Sivasundaram L, Wagner KR, Mazra AF, Cole BJ. Meniscal ramp lesions – Skillful neglect or routine repair? Journal of Orthopaedics. Published online May 9, 2022. doi:10.1016/j.jor.2022.05.001

  67. Sivasundaram L, Hevesi, M, Berlinberg, E, Patel, H, Verma, N, Forsythe, B. Combined Margin Convergence Repair and Subacromial Balloon Spacer for the Treatment of Massive Rotator Cuff Tears. Accepted to the Video Journal of Sports Medicine, May 20, 2022.

  68. Mengers SRP, Strony J, Sivasundaram L, Yu J, Goodfellow D, Salata MJ, Voos JE, Karns MJ. Oral Ketorolac as an Adjuvant Agent for Postoperative Pain Control following Arthroscopic Anterior Cruciate Ligament Reconstruction: A Prospective, Randomized, Controlled Study. JAAOS. In press.

  69. Forsythe B, Berlinberg E, Sivasundaram L, Poirier J, Patel H, Khan Z, Chahla J, Hevesi M. MPFL Reconstruction with a Single-Limb Allograft: A Reproducible & Effective Technique. VJSM. In Press.

  70. Rice M, Sivasundaram L, Horner N, Ephron C, Malloy P, Nho SJ. Does Coxa Profunda Indicate Acetabular Overcoverage and Affect Outcomes after Hip Arthroscopy? A Comparative Cohort Analysis. Arthroscopy. In Press.

  71. Krivicich L, Rice M, Sivasundaram L, Nho SJ. Borderline Dysplastic Hips Undergoing Hip Arthroscopy Achieve Equivalent Patient Reported Outcomes When Compared to Hips with Normal Acetabular Coverage: A Systematic Review & Meta-Analysis. JAAOS. In Press.

  72. Horner N, Rice M, Sivasundaram L, Ephron C, Nho SJ. Staged Bilateral Hip Arthroscopy for the Treatment of Femoroacetabular Impingement Syndrome: Do Outcomes after the Index Hip Arthroscopy Predict Outcomes for the Contralateral Hip? Arthroscopy. In Press.

  73. Horner N, Rice M, Sivasundaram L, Ephron C, Nho SJ. Does Sacroiliac Joint Pain Worsen Outcomes in Patients Undergoing Hip Arthroscopy for the Treatment of Femoroacetabular Impingement Syndrome? A Matched Comparative Cohort Analysis at Minimum 2-Year Follow-Up. AJSM. In Press.

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