Volume Analysis of Arthroscopic Capsular Shift

Purpose: To determine how much volume reduction can be obtained with varying amounts of arthroscopic capsular plication. Methods: Six fresh-frozen, cadaveric specimens were used. Specimens were rejected if a rotator cuff tear was present. The volume of each shoulder joint was measured under 3 condit...

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Veröffentlicht in:Arthroscopy 2006-05, Vol.22 (5), p.528-533
Hauptverfasser: Flanigan, David C., Forsythe, Todd, Orwin, John, Kaplan, Lee
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container_end_page 533
container_issue 5
container_start_page 528
container_title Arthroscopy
container_volume 22
creator Flanigan, David C.
Forsythe, Todd
Orwin, John
Kaplan, Lee
description Purpose: To determine how much volume reduction can be obtained with varying amounts of arthroscopic capsular plication. Methods: Six fresh-frozen, cadaveric specimens were used. Specimens were rejected if a rotator cuff tear was present. The volume of each shoulder joint was measured under 3 conditions: no capsular shift, 5-mm capsular shift, and 10-mm capsular shift. For each shift, 4 sutures were placed arthroscopically, 2 anteriorly and 2 posteriorly. Repeated measures were used to confirm the validity of the measurements. Data were analyzed with parametric and nonparametric tests. Results: The average percentage of volume reduction at 5 mm of capsular plication from control was 16.2% (range, 9.7% to 21.5%). The percentage of volume reduction from control to 10 mm of capsular plication averaged 33.7% (range, 25.3% to 44.6%). Statistical significance was found with both parametric ( P < .0001) and nonparametric tests ( P < .0313). Conclusions: The current study found that capsular volume reduction was related to the amount of capsular plication with reproducible results. Capsular plication can produce volume reduction comparable to other techniques. Clinical Relevance: The data could be used to determine the potential number of sutures and amount of tissue plication needed for the amount of laxity found at surgery.
doi_str_mv 10.1016/j.arthro.2006.01.010
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Methods: Six fresh-frozen, cadaveric specimens were used. Specimens were rejected if a rotator cuff tear was present. The volume of each shoulder joint was measured under 3 conditions: no capsular shift, 5-mm capsular shift, and 10-mm capsular shift. For each shift, 4 sutures were placed arthroscopically, 2 anteriorly and 2 posteriorly. Repeated measures were used to confirm the validity of the measurements. Data were analyzed with parametric and nonparametric tests. Results: The average percentage of volume reduction at 5 mm of capsular plication from control was 16.2% (range, 9.7% to 21.5%). The percentage of volume reduction from control to 10 mm of capsular plication averaged 33.7% (range, 25.3% to 44.6%). Statistical significance was found with both parametric ( P &lt; .0001) and nonparametric tests ( P &lt; .0313). Conclusions: The current study found that capsular volume reduction was related to the amount of capsular plication with reproducible results. 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Methods: Six fresh-frozen, cadaveric specimens were used. Specimens were rejected if a rotator cuff tear was present. The volume of each shoulder joint was measured under 3 conditions: no capsular shift, 5-mm capsular shift, and 10-mm capsular shift. For each shift, 4 sutures were placed arthroscopically, 2 anteriorly and 2 posteriorly. Repeated measures were used to confirm the validity of the measurements. Data were analyzed with parametric and nonparametric tests. Results: The average percentage of volume reduction at 5 mm of capsular plication from control was 16.2% (range, 9.7% to 21.5%). The percentage of volume reduction from control to 10 mm of capsular plication averaged 33.7% (range, 25.3% to 44.6%). Statistical significance was found with both parametric ( P &lt; .0001) and nonparametric tests ( P &lt; .0313). Conclusions: The current study found that capsular volume reduction was related to the amount of capsular plication with reproducible results. Capsular plication can produce volume reduction comparable to other techniques. Clinical Relevance: The data could be used to determine the potential number of sutures and amount of tissue plication needed for the amount of laxity found at surgery.</description><subject>Anthropometry</subject><subject>Arthroscopic capsulorrhaphy</subject><subject>Arthroscopy</subject><subject>Biological and medical sciences</subject><subject>Capsulorrhaphy</subject><subject>Diseases of the osteoarticular system</subject><subject>Endoscopy</subject><subject>Humans</subject><subject>In Vitro Techniques</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Joint Capsule - pathology</subject><subject>Joint Capsule - surgery</subject><subject>Joint Instability - pathology</subject><subject>Joint Instability - surgery</subject><subject>Juxtaarticular diseases. 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Extraarticular rhumatism</topic><topic>Medical sciences</topic><topic>Multidirectional instability</topic><topic>Shoulder instability</topic><topic>Shoulder Joint - pathology</topic><topic>Shoulder Joint - surgery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Flanigan, David C.</creatorcontrib><creatorcontrib>Forsythe, Todd</creatorcontrib><creatorcontrib>Orwin, John</creatorcontrib><creatorcontrib>Kaplan, Lee</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Arthroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Flanigan, David C.</au><au>Forsythe, Todd</au><au>Orwin, John</au><au>Kaplan, Lee</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Volume Analysis of Arthroscopic Capsular Shift</atitle><jtitle>Arthroscopy</jtitle><addtitle>Arthroscopy</addtitle><date>2006-05-01</date><risdate>2006</risdate><volume>22</volume><issue>5</issue><spage>528</spage><epage>533</epage><pages>528-533</pages><issn>0749-8063</issn><eissn>1526-3231</eissn><coden>ARTHE3</coden><abstract>Purpose: To determine how much volume reduction can be obtained with varying amounts of arthroscopic capsular plication. 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source MEDLINE; Elsevier ScienceDirect Journals
subjects Anthropometry
Arthroscopic capsulorrhaphy
Arthroscopy
Biological and medical sciences
Capsulorrhaphy
Diseases of the osteoarticular system
Endoscopy
Humans
In Vitro Techniques
Investigative techniques, diagnostic techniques (general aspects)
Joint Capsule - pathology
Joint Capsule - surgery
Joint Instability - pathology
Joint Instability - surgery
Juxtaarticular diseases. Extraarticular rhumatism
Medical sciences
Multidirectional instability
Shoulder instability
Shoulder Joint - pathology
Shoulder Joint - surgery
title Volume Analysis of Arthroscopic Capsular Shift
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