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Nicholas Maassen

TitleAssociate Professor
InstitutionUniversity of Chicago
DepartmentOrthopedic Surgery and Rehabilitation Medicine
AddressChicago IL 60637
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Zhang D, Brooks J, Schimizzi G, Erdman MK, Maassen N, Christiano AV. Internal Rotation and Transthoracic Lateral Radiographs Frequently Disagree on Sagittal Angulation in Humeral Shaft Fractures (AO/OTA 12). J Orthop Trauma. 2026 Sep 01; 40(9):e198-e206. PMID: 41995472.
      Citations:    Fields:    
    2. Shah PP, Jayawardena R, Wong R, Poff C, Maassen NH, Shi L. Anatomical versus reverse total shoulder arthroplasty for primary glenohumeral osteoarthritis with an intact rotator cuff : a systematic review. Bone Jt Open. 2026 Aug 12; 7(8):1056-1063. PMID: 42580702; PMCID: PMC13461254.
      Citations:    
    3. Sethi S, Reddy S, Sakarvadia M, Serotte J, Nwaudo D, Ho S, Maassen N, Shi L. AI-Assisted MRI Interpretation in Diagnosing Bankart and Reverse Bankart Lesions. Am J Sports Med. 2026 Jul; 54(9):2244-2252. PMID: 42200663.
      Citations:    Fields:    Translation:Humans
    4. Sun P, Cahill C, Nwaudo D, Stacy GS, Shi LL, Maassen NH. Low glenoid neck Hounsfield units predict patients at high risk of mechanical complication after total shoulder arthroplasty. J Shoulder Elb Arthroplast. 2026 Jun; 10(1-2):100001. PMID: 41960151; PMCID: PMC13058281.
      Citations:    
    5. Sethi S, Reddy S, Sakarvadia M, Serotte J, Nwaudo D, Maassen N, Shi L. SCOPE-MRI: Bankart Lesion Detection as a Case Study in Data Curation and Deep Learning for Challenging Diagnoses. NPJ Artif Intell. 2025 Dec 01. PMID: 41333195; PMCID: PMC12668287.
      Citations:    
    6. Shi LL, MacLeod JS, Maassen NH, Allen M. The "angle" method of calculating glenoid bone loss: a validation study and review of current methods. JSES Int. 2026 Jan; 10(1):101394. PMID: 41404597; PMCID: PMC12704053.
      Citations:    
    7. Poff C, Buckman V, Jung D, Liao C, Shi L, Maassen NH. Administration of Perioperative Tranexamic Acid and Range of Motion After Total Shoulder Arthroplasty. J Shoulder Elb Arthroplast. 2025; 9:24715492251348793. PMID: 40746655; PMCID: PMC12308050.
      Citations:    
    8. Amirouche F, Mungalpara N, Kim S, Lee C, Chen K, Baker H, Athiviraham A, Bassem E, Maassen N, Koh J. Restoration of rotator cuff muscle forces in lower trapezius transfer and superior capsular reconstruction in massive rotator cuff tear. JSES Int. 2025 Sep; 9(5):1532-1540. PMID: 41049683; PMCID: PMC12490552.
      Citations: 1     
    9. Lee CS, Serotte JC, Reddy S, Shi L, Maassen NH. Angiotensinogen II Receptor Blockers May Decrease Risk of Adhesive Capsulitis After Rotator Cuff Repair. Arthrosc Sports Med Rehabil. 2025 Aug; 7(4):101165. PMID: 40980215; PMCID: PMC12447128.
      Citations:    
    10. Sethi S, Reddy S, Sakarvadia M, Serotte J, Nwaudo D, Maassen N, Shi L. SCOPE-MRI: Bankart Lesion Detection as a Case Study in Data Curation and Deep Learning for Challenging Diagnoses. ArXiv. 2025 Apr 29. PMID: 40395941; PMCID: PMC12091705.
      Citations:    
    11. Sethi S, Reddy S, Sakarvadia M, Serotte J, Nwaudo D, Maassen N, Shi L. Toward non-invasive diagnosis of Bankart lesions with deep learning. Proc SPIE Int Soc Opt Eng. 2025 Feb; 13407. PMID: 41341525; PMCID: PMC12670170.
      Citations: 1     
    12. Serotte JC, Lee C, Reddy S, Shi L, Maassen NH. Effect of Antifibrotic Medications on Development of Postoperative Adhesive Capsulitis and Need for Manipulation Under Anesthesia Following Total Shoulder Arthroplasty. J Am Acad Orthop Surg Glob Res Rev. 2025 Feb 01; 9(2). PMID: 39899748; PMCID: PMC11781760.
      Citations:    Fields:    Translation:Humans
    13. Carr H, Gonzalez M, Shubeck S, Beederman MR, Maassen NH, Hanson SE. Patient-reported upper extremity impairment following mastectomy with breast reconstruction: A systematic review. J Plast Reconstr Aesthet Surg. 2025 04; 103:233-247. PMID: 40009951.
      Citations:    Fields:    Translation:Humans
    14. Jung DH, Buckman V, Carola NA, Nwaudo D, Maassen NH, Shi LL. Utility of radiographs for asymptomatic patients following primary anatomic and reverse total shoulder arthroplasty. J Shoulder Elbow Surg. 2025 Jul; 34(7):1826-1831. PMID: 39756641.
      Citations:    Fields:    Translation:Humans
    15. Sethi S, Reddy S, Sakarvadia M, Serotte J, Nwaudo D, Maassen N, Shi L. Toward Non-Invasive Diagnosis of Bankart Lesions with Deep Learning. ArXiv. 2024 Dec 09. PMID: 39764408; PMCID: PMC11703322.
      Citations: 1     
    16. Carola N, Serotte JC, Jung D, Maassen NH, Shi L. Bone Marrow Aspirate Concentrate May Improve Healing and Function in Rotator Cuff Repair: A Systematic Review. Arthroscopy. 2025 08; 41(8):3052-3062. PMID: 39581273.
      Citations: 1     Fields:    Translation:Humans
    17. Mungalpara N, Lee C, Kim S, Chen K, Baker H, Athiviraham A, Bassem E, Koh J, Maassen N, Amirouche F. Lower Trapezius Tendon Transfer Restores Deltoid Function and Shoulder Stability More Effectively Than Superior Capsular Reconstruction in Massive Rotator Cuff Tears. Arthrosc Sports Med Rehabil. 2025 Apr; 7(2):101045. PMID: 40297066; PMCID: PMC12034054.
      Citations: 2     
    18. Carr HM, Patel RA, Beederman MR, Maassen NH, Hanson SE. Risk Factors for Upper Extremity Impairment after Mastectomy: A Single Institution Retrospective Review. Plast Reconstr Surg Glob Open. 2024 Jul; 12(7):e5684. PMID: 39050032; PMCID: PMC11268813.
      Citations: 1     
    19. Krishnan P, Maassen N, Lee C, Baker H, Koh J, Amirouche F, Athiviraham A. Long Head of the Biceps Autograft Performs Biomechanically Similar to Human Dermal Allograft for Superior Capsule Reconstruction After Rotator Cuff Tear. Arthroscopy. 2023 03; 39(3):706-715. PMID: 36395965.
      Citations: 3     Fields:    Translation:Humans
    20. Baker HP, Gutbrod J, Strelzow JA, Maassen NH, Shi L. Management of Proximal Humerus Fractures in Adults-A Scoping Review. J Clin Med. 2022 Oct 18; 11(20). PMID: 36294459; PMCID: PMC9604576.
      Citations: 33     
    21. Maassen NH, Chang DW, Shi LL, Hanson SE. Soft-Tissue Considerations in Shoulder Surgery in the Patient With Lymphedema. J Am Acad Orthop Surg. 2022 Oct 01; 30(19):925-932. PMID: 35486892.
      Citations:    Fields:    Translation:Humans
    22. Stillson QA, Sun JQ, Maninang M, Maassen NH, Strelzow JA, Shi LL. Effect of Physical Therapy and Rehabilitation Timing on Rotator Cuff Repair Revisions and Capsulitis. J Am Acad Orthop Surg. 2022 Feb 01; 30(3):e444-e452. PMID: 35772092.
      Citations:    Fields:    Translation:Humans
    23. Maassen NH, Vansadia D. Treatment of a rotator cuff tear with concomitant complete brachial plexopathy after glenohumeral dislocation: a case report. JSES Rev Rep Tech. 2021 Aug; 1(3):257-260. PMID: 37588958; PMCID: PMC10426611.
      Citations:    
    24. Yetter T, Patton AG, Mansi A, Maassen N, Somerson JS. Low mental health scores are associated with worse patient-reported outcomes and difficulty with return to work and sport after distal biceps repair. JSES Int. 2021 May; 5(3):597-600. PMID: 34136876; PMCID: PMC8178588.
      Citations: 1     
    25. Maassen NH, Somerson JS. A Majority of Single Versus Double-Row Rotator Cuff Repair Comparisons Fail to Consider Modern Single-Row Techniques: A Systematic Review. JBJS Rev. 2020 05; 8(5):e0203. PMID: 32427776.
      Citations: 4     Fields:    Translation:Humans
    26. Williams RC, Morris RP, El Beaino M, Maassen NH. Cortical suture button fixation vs. bicortical screw fixation in the Latarjet procedure: a biomechanical comparison. J Shoulder Elbow Surg. 2020 Jul; 29(7):1470-1478. PMID: 32147337.
      Citations: 22     Fields:    Translation:Humans
    27. Khalid MA, Morris RP, Black N, Maassen NH. Biomechanical Evaluation of Humerus Fracture After Subpectoral Biceps Tenodesis With Interference Screw Versus Unicortical Button. Arthroscopy. 2020 05; 36(5):1253-1260. PMID: 31973991.
      Citations: 11     Fields:    Translation:Humans
    28. Williams R, Jupiter DC, Maassen NH. The Incidence and Risk Factors of Scaphoid Fracture Associated With Radial Head and Neck Fracture in Trauma Patients. J Am Acad Orthop Surg Glob Res Rev. 2019 May; 3(5):e055. PMID: 31321373; PMCID: PMC6553629.
      Citations: 2     Fields:    
    29. Lindeman RW, Morris R, Weatherby P, Neustein A, Maassen NH. Effect of Elbow Position on Load to Failure in Olecranon Fracture Fixation: A Biomechanical Cadaveric Study. J Orthop Trauma. 2019 May; 33(5):256-260. PMID: 30633081.
      Citations: 1     Fields:    Translation:Humans
    30. Maassen NH. Treatment of a 4-Part Proximal Humeral Fracture with a Concomitant Glenoid Fracture in an Elderly Patient: A Case Report. JBJS Case Connect. 2019 Jan-Mar; 9(1):e13. PMID: 30882513.
      Citations: 5     Fields:    Translation:Humans
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