Document Detail


Strength of single- versus double-anchor repair of type II SLAP lesions: a cadaveric study.
MedLine Citation:
PMID:  19896047     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: This study was designed to examine whether there was a difference in pullout strength along with the mode of failure between 1 suture anchor and 2 suture anchors. METHODS: Ten matched pairs of cadaveric shoulders were used in the study. A type II SLAP lesion, according to the classification of Snyder et al., was created. In 10 shoulders 1 anchor with 2 sutures was used to repair the lesion. In the other group of 10 matched shoulders, fixation was done with 2 anchors, with each anchor having only 1 suture. An Instron servohydraulic test machine (Instron, Canton, MA) was used to pull the long head of the biceps tendon until failure occurred. RESULTS: The single-anchor group failed at a mean load of 278.5 +/- 101.5 N. The double-anchor group failed at 242.5 +/- 96.5 N. A paired 2-sample Student t test showed that there was no significant difference in pullout strength between the 2 groups (P = .090). The most common mode of failure was soft-tissue failure. There was 1 anchor pullout in the single-anchor group and 2 anchor pullouts in the double-anchor group. CONCLUSIONS: The results of this study imply that using 1 anchor with 2 sutures is biomechanically equivalent to 2 anchors with 1 suture each for repairing type II SLAP lesions. CLINICAL RELEVANCE: Using 1 suture anchor is sufficient to repair a type II SLAP lesion.
Authors:
Todd Baldini; R Lance Snyder; Gabby Peacher; Joel Bach; Eric McCarty
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
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:  25     ISSN:  1526-3231     ISO Abbreviation:  Arthroscopy     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-11-09     Completed Date:  2010-01-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8506498     Medline TA:  Arthroscopy     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1257-60     Citation Subset:  IM    
Affiliation:
Department of Orthopaedics, University of Colorado-Denver, Colorado, USA. todd.baldini@uchsc.edu
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Arthroscopy / methods*
Biomechanics
Cadaver
Female
Humans
Male
Middle Aged
Shoulder Joint / injuries*,  surgery*
Suture Anchors*
Suture Techniques

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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