Document Detail

Does the upward migration index predict function and quality of life in arthroscopic rotator cuff repair?
MedLine Citation:
PMID:  20607465     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Although upward humeral head migration is a well-recognized phenomenon in patients with tears of the cuff, it is unclear whether it relates to patient function after cuff repair. The upward migration index (UMI) assesses proximal migration of the humeral head while controlling for patients' bony morphologic features.
QUESTIONS/PURPOSES: We asked whether functional and quality-of-life (QOL) improvement occurs longitudinally in patients with low, moderate, or high degrees of proximal humeral migration after arthroscopic cuff repair and whether differences occur between groups.
PATIENTS AND METHODS: We retrospectively reviewed 118 patients with full-thickness tears treated by arthroscopic cuff repair. Patients were divided into three groups depending on the severity of preoperative proximal humeral migration seen on MRI. We determined function using two functional scores and the Western Ontario Rotator Cuff Index (a QOL index). Evaluations were performed preoperatively and 6 and 12 months postoperatively. A general linear model analysis controlled for patient characteristics, including the UMI, to determine their effects on functional and QOL scores.
RESULTS: Function and QOL improved after surgery in all three groups. The UMI did not correlate with final functional or QOL scores. Six-month functional and QOL scores correlated with final scores. The best predictor of final strength was initial strength.
CONCLUSIONS: Preoperative UMI did not correlate with functional or QOL improvements after surgery. The data suggest substantial proximal migration of the humeral head, as measured by the UMI, should not be considered a contraindication to arthroscopic rotator cuff repair.
Peter C Lapner; Yingua Su; David Simon; Salah El-Fatori; Emilio Lopez-Vidriero
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Publication Detail:
Type:  Journal Article     Date:  2010-07-07
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  468     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-09-30     Completed Date:  2010-10-21     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3063-9     Citation Subset:  AIM; IM    
Division of Orthopedics, University of Ottawa, Ottawa Hospital, General Campus, 501 Smyth Road, CCW 1648, Box 502, Ottawa, ON, K1H 8L6, Canada.
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MeSH Terms
Disability Evaluation
Humerus / pathology,  physiopathology,  surgery*
Linear Models
Magnetic Resonance Imaging
Middle Aged
Muscle Strength
Quality of Life*
Range of Motion, Articular
Recovery of Function
Retrospective Studies
Rotator Cuff / injuries,  physiopathology,  surgery*
Severity of Illness Index
Shoulder Joint / physiopathology,  surgery*
Tendon Injuries / diagnosis,  physiopathology,  psychology,  surgery*
Time Factors
Treatment Outcome

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

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