Superior Baseplate Inclination Is Associated With Instability After Reverse Total Shoulder Arthroplasty

Clinical Orthopaedics and Related Research
Robert Z TashjianPeter N Chalmers

Abstract

Instability is the most common complication after reverse total shoulder arthroplasty (rTSA). In the native glenohumeral joint, in addition to full dislocations, more subtle forms of instability exist. However, the incidence of more subtle forms of instability, the factors associated with instability, and the effect of instability on validated outcome scores after rTSA remain poorly understood. (1) After rTSA, what is the risk of instability, including more subtle forms of subjective instability? (2) What are the factors associated with instability? (3) Are more subtle forms of instability associated with lower American Shoulder and Elbow Surgeons (ASES) functional outcome scores than those patients without instability? A total of 168 rTSAs were performed during the study period. Six patients had died at the time of study initiation. Thirty patients were excluded, nine because rTSA was performed for an acute proximal humeral fracture, one because a lateralized humeral component was used, 17 because a retaining liner was used, and three because a lateralized glenosphere was used. One hundred thirty-two patients met inclusion and exclusion criteria. Thirty-five patients were lost to followup. Thus, 97 patients with a minimum of 2...Continue Reading

References

Oct 1, 2005·Journal of Shoulder and Elbow Surgery·Richard W NyffelerChristian Gerber
Aug 3, 2006·The Journal of Bone and Joint Surgery. American Volume·Jacques GueryGilles Walch
Jul 4, 2007·The Journal of Bone and Joint Surgery. American Volume·Bryan WallGilles Walch
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Nov 26, 2010·Clinical Orthopaedics and Related Research·George J TrappeyT Bradley Edwards
Dec 21, 2010·Journal of Shoulder and Elbow Surgery·Robert A GalloUNKNOWN Sports Medicine and Shoulder Service at the Hospital for Special Surgery, New York, NY
Nov 1, 2011·Journal of Shoulder and Elbow Surgery·Alexander MaurerChristian Gerber
Mar 1, 2012·Journal of Shoulder and Elbow Surgery·Gilles WalchChristopher John Smithers
Nov 6, 2013·Journal of Shoulder and Elbow Surgery·Peter N ChalmersGregory P Nicholson
Feb 18, 2016·Orthopaedics & Traumatology, Surgery & Research : OTSR·P Boileau
Aug 28, 2016·Archives of Orthopaedic and Trauma Surgery·Marc-Frederic PastorTomas Smith

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Citations

Jan 24, 2019·Expert Review of Medical Devices·Jillian M KazleySamik Banerjee
Nov 14, 2019·Current Reviews in Musculoskeletal Medicine·Ujash Sheth, Matthew Saltzman
Feb 2, 2021·The Bone & Joint Journal·Kuhan A MahendrarajAndrew Jawa
Nov 5, 2020·Journal of Shoulder and Elbow Surgery·Daniel A BechtoldJay D Keener
Oct 1, 2021·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Carlos Garcia-FernandezFernando Marco

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