Effect of Glenoid Concavity Restoration on Surgical Failure after Arthroscopic Bony Bankart Repair

This study aimed to evaluate the degree of glenoid concavity restoration and its effect on surgical failure after arthroscopic bony Bankart repair for recurrent anterior shoulder instability with a bony Bankart lesion. Forty-one patients who underwent arthroscopic bony Bankart repair for recurrent a...

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Vydané v:Clinics in orthopedic surgery Ročník 17; číslo 3; s. 470 - 477
Hlavní autori: Park, In, Kim, Dong-Hyeon, Shin, Sang-Jin
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Korea (South) The Korean Orthopaedic Association 01.06.2025
대한정형외과학회
Predmet:
Adolescent
Adult
Arthroscopy - methods
Bankart Lesions - diagnostic imaging
Bankart Lesions - surgery
Female
Glenoid Cavity - diagnostic imaging
Glenoid Cavity - surgery
Humans
Imaging, Three-Dimensional
Joint Instability - diagnostic imaging
Joint Instability - surgery
Male
Middle Aged
Original
Recurrence
Reoperation
Retrospective Studies
Shoulder Dislocation - surgery
Shoulder Joint - diagnostic imaging
Shoulder Joint - surgery
Tomography, X-Ray Computed
Treatment Failure
Young Adult
정형외과학
Bony Bankart lesion
Shoulder
Concavity
Dislocation
ISSN:2005-291X, 2005-4408, 2005-4408
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Popis
Shrnutí:This study aimed to evaluate the degree of glenoid concavity restoration and its effect on surgical failure after arthroscopic bony Bankart repair for recurrent anterior shoulder instability with a bony Bankart lesion. Forty-one patients who underwent arthroscopic bony Bankart repair for recurrent anterior shoulder instability with a bony Bankart lesion were retrospectively evaluated. All patients underwent 3-dimensional computed tomography (3D-CT) preoperatively to evaluate the glenoid concavity using the bony shoulder stability ratio (BSSR). Bony fragments were incorporated to the anterior glenoid during arthroscopic stabilization procedure. All patients were reevaluated by 3D-CT at postoperative 1 year to assess the changes in the BSSR and the final glenoid bone defect size after bony Bankart repair. Clinical outcomes including surgical failure were evaluated at least 2 years after surgery. The BSSR significantly increased after surgery (26.0% ± 14.0% preoperatively and 35.5% ± 13.2% postoperatively, < 0.001). Preoperative glenoid bone defect size was 16.2% ± 8.1%, and bony Bankart fragment size was 11.3% ± 7.2%. Four patients (9.8%) had recurrent instability requiring revision surgery. In patients with surgical failure, the BSSR was not improved after surgery (18.2% ± 13.3% preoperatively and 23.1% ± 17.3% postoperatively, = 0.24). In contrast, patients without surgical failure showed significantly improved BSSR after surgery (26.9% ± 14.0% preoperatively and 36.9% ± 12.2% postoperatively, < 0.001). No significant differences were found in the final glenoid bone defect size (6.6% ± 5.9% in patients with surgical failure vs. 6.2% ± 5.7% in patients without surgical failure, = 0.92) and bony Bankart fragment nonunion rate (0% in patients with surgical failure vs. 5.4% in patients without surgical failure, = 0.99) between patients with and without surgical failure. Glenoid concavity, as represented by the BSSR, improved after arthroscopic bony Bankart repair, and satisfactory restoration of the glenoid concavity led to successful clinical outcomes without surgical failure. The BSSR could be considered an important factor for predicting clinical outcomes after arthroscopic bony Bankart repair. However, further research including more contributing factors is needed to better analyze the impact of the BSSR on clinical outcomes.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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https://ecios.org/DOIx.php?id=10.4055/cios24347
ISSN:2005-291X
2005-4408
2005-4408
DOI:10.4055/cios24347