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Follow-up Computed Tomography Arthrographic Evaluation of Bony Bankart Lesions After Arthroscopic Repair.
MedLine Citation:
PMID:  22265046     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The follow-up results of bony union after an arthroscopic bony Bankart repair have not been reported. We studied follow-up computed tomography (CT) arthrograms to evaluate radiographic healing of bony Bankart fragments. METHODS: Among 41 patients who underwent arthroscopy for a bony Bankart lesion between July 2006 and May 2009, 31 cases in 30 patients who had undergone sequential follow-up CT arthrography preoperatively, at 3 months postoperatively, and at 1 year postoperatively were enrolled. Radiologic patterns of fracture healing were classified into bony healing and fibrous healing. The mean age was 23.4 years, and the mean follow-up was 30.5 months. The mean interval from the first trauma to surgery was 32.5 months, and the mean preoperative dislocation number was 12.1. RESULTS: The mean preoperative glenoid defect was 14.1%. The fracture healing patterns included 26 bony and 5 fibrous unions. There was a significant positive relation between the total dislocation number and the preoperative glenoid defect (P = .003). The proportion of the mean fragment dimension to a circle drawn through the outer cortex of the inferior glenoid was 8.4% preoperatively, 6.6% at 3 months postoperatively, and 6.2% at 1 year postoperatively. The fragment size decreased from that measured preoperatively to the size measured 3 months after surgery (P < .05). However, the fragment size was maintained between 3 months and 1 year postoperatively (P > .05). The mean Rowe score at 1 year postoperatively was 97.2. CONCLUSIONS: Follow-up CT arthrographic evaluation showed that small bony Bankart fragments survived without resorption until 1 year postoperatively, even with fibrous union, and that reattached bone fragment fixation to the anatomic position with the labrum could survive. LEVEL OF EVIDENCE: Level IV, therapeutic case series.
Authors:
Jin-Young Park; Seung-Jun Lee; Sang-Hoon Lhee; Suk-Ha Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-18
Journal Detail:
Title:  Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association     Volume:  -     ISSN:  1526-3231     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8506498     Medline TA:  Arthroscopy     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.
Affiliation:
Department of Orthopaedic Surgery, Konkuk University School of Medicine, Seoul, South Korea.
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