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81 – EMOTIONAL AND PHYSICAL ASPECTS OF DISABILITY IN PATIENTS WITH ROTATOR CUFF PATHOLOGY: A COMPARISON BETWEEN FULL-THICKNESS TEARS AND IMPINGEMENT SYNDROME



Abstract

Purpose: The purpose of this study was to investigate the difference in the level of pre and 6 months post operative objective and subjective measures of disability between patients with full-thickness rotator cuff tears and those with impingement syndrome/partial thickness rotator cuff tears.

Method: This study involved a review of prospectively collected data from a consecutive series of patients who had undergone surgery related to rotator cuff pathology (acromioplasty with or without resection of clavicle for impingement syndrome/partial thickness rotator cuff tears or repair for full-thickness rotator cuff tears). Exclusion criteria included previous surgery, concomitant pathologies, and work-related injuries with an active compensation claim related to the shoulder. Standardized pre and post-operative data (history and clinical examination, including strength assessment) were collected. To measure symptoms and functional levels, all patients completed a disease-specific outcome measure, the Western Ontario Rotator Cuff (WORC) Index which explores five domains of physical symptoms, life style, work, sports, and emotions. Paired and independent non-parametric (Wilcoxon two sample tests, and Wilcoxon signed rank tests) statistics were used where normality of data were violated.

Results: Three hundred and five patients (130 women and 175 men) with a mean age of 58 years (range, 21–82) met inclusion criteria. One hundred and ninety eight (65%) patients had full-thickness rotator cuff tears and 107(35%) had impingement [59 (55%)] or partial thickness rotator cuff tears [48 (45%)]. Patients with full-thickness tears complained of greater weakness, had a higher prevalence of a specific injury such as fall on an outstretched hand, and reported a higher frequency of insidious onset of pain. The full-thickness tear group was significantly weaker in elevation both pre and post-operatively. Patients with impingement syndrome expressed more severe symptoms and more emotional disability prior to surgery and had more physical disability related to lifting and performing activities of daily living and more emotional disability 6 months after surgery. Both groups showed a statistically significant improvement in overall pain, WORC score, and strength 6 months following surgery.

Conclusion: Our results indicate that the extent of rotator cuff pathology and level of physical and emotional disability do not necessarily correlate positively in the early phase of recovery. Patients with less severe rotator cuff pathology tend to be more disabled both before and after surgery. This needs to be considered when planning for return to work and other activities and when assessing treatment outcomes.

Correspondence should be addressed to: COA, 4150 Ste. Catherine St. West Suite 360, Westmount, QC H3Z 2Y5, Canada. Email: meetings@canorth.org