Document Detail


Muscle fatty infiltration in rotator cuff tears: descriptive analysis of 1688 cases.
MedLine Citation:
PMID:  19586809     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Fatty infiltration (FI) is an important prognosis factor in the anatomical and functional outcomes of rotator cuff repairs. The objective of this study was to analyze the natural history of muscle FI and better evaluate its onset and aggravation time frame.
MATERIAL AND METHODS: A total of 1688 medical charts of patients operated on for rotator cuff tear and with a preoperative CT arthrogram (82%) or an MRI (18%) were reviewed. Surgery was performed between 1988 and 2005. The FI of each muscle was assessed as minimal (in Goutallier's stages 0 and 1), intermediate (in stage 2), and severe (in stages 3 and 4). Regarding supraspinatus, we retained the mean FI observed in the sagittal, coronal, and axial planes; for the infraspinatus and the subscapularis, we retained the observed mean on two views at the upper and lower levels of the glenoid in the axial plane.
RESULTS: We found a statistically significant correlation (p<0.0005) between FI, the type of tendon lesion, and patient age for the supraspinatus, the infraspinatus, and the subscapularis. Statistically, the FI significantly increased (p<0.0005) with time elapsed for the supraspinatus and the infraspinatus but not significantly for the subscapularis. The mean time to tendon rupture observed for intermediate FI was three years for the supraspinatus and 2.5 years for the infraspinatus and the subscapularis when their tendons ruptured. The mean time observed to severe FI was five, four, and three years for the supraspinatus, the infraspinatus, and the subscapularis, respectively.
DISCUSSION AND CONCLUSION: The more extensive the lesion, the longer the time following rupture, and the older the patient is, the more severe the FI is. The objective of surgery is to intervene before intermediate FI sets in, which means irreversible functional loss.
LEVEL OF EVIDENCE: Level IV. Diagnostic Retrospective Study.
Authors:
B Melis; C Nemoz; G Walch
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Publication Detail:
Type:  Journal Article     Date:  2009-07-07
Journal Detail:
Title:  Orthopaedics & traumatology, surgery & research : OTSR     Volume:  95     ISSN:  1877-0568     ISO Abbreviation:  Orthop Traumatol Surg Res     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-08-14     Completed Date:  2010-05-14     Revised Date:  2013-10-31    
Medline Journal Info:
Nlm Unique ID:  101494830     Medline TA:  Orthop Traumatol Surg Res     Country:  France    
Other Details:
Languages:  eng     Pagination:  319-24     Citation Subset:  IM    
Copyright Information:
2009 Elsevier Masson SAS. All rights reserved.
Affiliation:
Centre orthopédique Santy, 24, avenue Paul-Santy, 69008 Lyon, France.
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / pathology*
Age Factors
Arthrography
Female
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Muscle, Skeletal / pathology*
Prognosis
Retrospective Studies
Rotator Cuff / injuries*,  pathology*,  surgery
Rupture
Tendon Injuries / pathology,  surgery
Time Factors
Tomography, X-Ray Computed
Comments/Corrections
Comment In:
Orthop Traumatol Surg Res. 2010 Dec;96(8):918-9   [PMID:  20851073 ]

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


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