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The effect of multiple channeling on the structural integrity of repaired rotator cuff.
MedLine Citation:
PMID:  21533535     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The purpose of this study was to investigate the effect of adding multiple channeling of the greater tuberosity on the structural integrity of the repaired rotator cuff tendon. METHODS: Fifty-six consecutive patients who underwent arthroscopic rotator cuff repair and postoperative computed tomography arthrography (CTA) were included in this study; 31 consecutive patients that underwent conventional repair and 25 subsequent patients that underwent conventional repair with multiple channeling. Using CTA, the repaired rotator cuff was evaluated as either intact, incomplete, or complete leakage at the insertion and in the tendon separately. The integrity type and overall integrity was then determined by the combination of the insertion and tendon grade. Factors affecting integrity were also evaluated. RESULTS: At the insertion, multiple channeling significantly improved integrity; complete leakage in 35.5% in the conventional group and 4.0% in the multiple channeling group (P = 0.017). In the tendon, no significant difference was observed between the two groups. Integrity types were significantly different between the two groups (P = 0.009). For overall integrity, discontinuity was more frequently identified in the conventional group (35.5%) than in the multiple channeling group (16.0%), but it was not statistically significant. With regard to causes of discontinuity, all were due to retears in the conventional group, while 75% were due to new tears in the multiple channeling group (P = 0.009). CONCLUSION: Multiple channeling is simple and easily performed without any special instrument and might augment the healing of repaired rotator cuff tendons. It could be a useful technique in rotator cuff repair helping healing. LEVEL OF EVIDENCE: Retrospective comparative study, Level III.
Authors:
Chris Hyunchul Jo; Kang Sup Yoon; Ji Ho Lee; Seung Baik Kang; Jae Hyup Lee; Hyuk Soo Han; Seung Hwan Rhee; Ji Sun Shin
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-30
Journal Detail:
Title:  Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA     Volume:  -     ISSN:  1433-7347     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-5-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9314730     Medline TA:  Knee Surg Sports Traumatol Arthrosc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Joint & Spine Center, SMG-SNU Boramae Medical Center, Department of Orthopedic Surgery, Seoul National University College of Medicine, 41 Boramae-gil, Dongjak-gu, Seoul, 156-707, Korea, chrisjo@snu.ac.kr.
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