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2 results on '"Benjamin T. Gaal, BA"'

1. The modern reverse shoulder arthroplasty and an updated systematic review for each complication: part II

Author

Sarav S. Shah, MD, Alexander M. Roche, BA, Spencer W. Sullivan, BS, Benjamin T. Gaal, BA, Stewart Dalton, MD, Arjun Sharma, BS, Joseph J. King, MD, Brian M. Grawe, MD, Surena Namdari, MD, Macy Lawler, BS, Joshua Helmkamp, BS, Grant E. Garrigues, MD, Thomas W. Wright, MD, Bradley S. Schoch, MD, Kyle Flik, MD, Randall J. Otto, MD, Richard Jones, MD, Andrew Jawa, MD, Peter McCann, MD, Joseph Abboud, MD, Gabe Horneff, MD, Glen Ross, MD, Richard Friedman, MD, Eric T. Ricchetti, MD, Douglas Boardman, MD, Robert Z. Tashjian, MD, and Lawrence V. Gulotta, MD

Subjects
Reverse shoulder arthroplasty, complications, instability, humeral fracture, glenoid fracture, acromial fracture, Orthopedic surgery, RD701-811, Diseases of the musculoskeletal system, RC925-935
Abstract

Background: Globally, reverse shoulder arthroplasty (RSA) has moved away from the Grammont design to modern prosthesis designs. The purpose of this study was to provide a focused, updated systematic review for each of the most common complications of RSA by limiting each search to publications after 2010. In this part II, the following were examined: (1) instability, (2) humerus/glenoid fracture, (3) acromial/scapular spine fractures (AF/SSF), and (4) problems/miscellaneous. Methods: Four separate PubMed database searches were performed following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Overall, 137 studies for instability, 94 for humerus/glenoid fracture, 120 for AF/SSF, and 74 for problems/miscellaneous were included in each review, respectively. Univariate analysis was performed with chi-square and Fisher exact tests. Results: The Grammont design had a higher instability rate vs. all other designs combined (4.0%, 1.3%; P < .001), and the onlay humerus design had a lower rate than the lateralized glenoid design (0.9%, 2.0%; P = .02). The rate for intraoperative humerus fracture was 1.8%; intraoperative glenoid fracture, 0.3%; postoperative humerus fracture, 1.2%; and postoperative glenoid fracture, 0.1%. The rate of AF/SSF was 2.6% (371/14235). The rate for complex regional pain syndrome was 0.4%; deltoid injury, 0.1%; hematoma, 0.3%; and heterotopic ossification, 0.8%. Conclusions: Focused systematic reviews of recent literature with a large volume of shoulders demonstrate that using non-Grammont modern prosthesis designs, complications including instability, intraoperative humerus and glenoid fractures, and hematoma are significantly reduced compared with previous studies. As the indications continue to expand for RSA, it is imperative to accurately track the rate and types of complications in order to justify its cost and increased indications.

Published
2021
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2. The modern reverse shoulder arthroplasty and an updated systematic review for each complication: part I

Author

Sarav S. Shah, MD, Benjamin T. Gaal, BA, Alexander M. Roche, BA, Surena Namdari, MD, Brian M. Grawe, MD, Macy Lawler, BS, Stewart Dalton, MD, Joseph J. King, MD, Joshua Helmkamp, BS, Grant E. Garrigues, MD, Thomas W. Wright, MD, Bradley S. Schoch, MD, Kyle Flik, MD, Randall J. Otto, MD, Richard Jones, MD, Andrew Jawa, MD, Peter McCann, MD, Joseph Abboud, MD, Gabe Horneff, MD, Glen Ross, MD, Richard Friedman, MD, Eric T. Ricchetti, MD, Douglas Boardman, MD, Robert Z. Tashjian, MD, and Lawrence V. Gulotta, MD

Subjects
Reverse shoulder arthroplasty, complications, scapular notching, loosening, infection, neurologic injury, Orthopedic surgery, RD701-811, Diseases of the musculoskeletal system, RC925-935
Abstract

Background: Globally, reverse shoulder arthroplasty (RSA) has moved away from the Grammont design to modern prosthesis designs. The purpose of this 2-part study was to systematically review each of the most common complications of RSA, limiting each search to publications in 2010 or later. In this part (part I), we examined (1) scapular notching (SN), (2) periprosthetic infection (PJI), (3) mechanical failure (glenoid or humeral component), and (4) neurologic injury (NI). Methods: Four separate PubMed database searches were performed following Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. Overall, 113 studies on SN, 62 on PJI, 34 on mechanical failure, and 48 on NI were included in our reviews. Univariate analysis was performed with the χ2 or Fisher exact test. Results: The Grammont design had a higher SN rate vs. all other designs combined (42.5% vs. 12.3%, P < .001). The onlay humeral design had a lower rate than the lateralized glenoid design (10.5% vs. 14.8%, P < .001). The PJI rate was 2.4% for primary RSA and 2.6% for revision RSA. The incidence of glenoid and humeral component loosening was 2.3% and 1.4%, respectively. The Grammont design had an increased NI rate vs. all other designs combined (0.9% vs. 0.1%, P = .04). Conclusions: Focused systematic reviews of the recent literature with a large volume of RSAs demonstrate that with the use of non-Grammont modern prosthesis designs, complications including SN, PJI, glenoid component loosening, and NI are significantly reduced compared with previous studies. As the indications for RSA continue to expand, it is imperative to accurately track the rates and types of complications to justify its cost and increased indications.

Published
2020
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