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Abstract
Background: Understanding preoperatively available factors that predict valid, patient-reported outcomes following rotator cuff repair can assist clinicians and their patients in making an informed, shared-decision on rotator cuff repair, and assist in setting an evidence-based prognosis.
Objectives: To perform a systematic review of the preoperative factors related to patient-reported outcome following rotator cuff repair.
Methods: A systematic review of the literature was performed to identify studies analyzing the relationship of preoperative factors to valid, patient-reported outcome measures. To be included in the review, outcome had to be measured by at least one valid upper extremity or shoulder-specific patient-reported outcome.
Results: Twenty-three studies met the criteria for inclusion. Of these, 15 studies scored 3 or less on a 7-point scale of study quality indicating a paucity of strong trials investigating these prognostic factors. Prognostic factors reviewed included age, sex, worker’s compensation status, involvement of dominant arm, fatty infiltration of the cuff musculature, duration of symptoms, comorbidities, and smoking status. Increasing age predicted worse Disabilities of Arm, Shoulder and Hand Scores (DASH) but did not predict outcome of any other patient-reported outcome. A worker’s compensation claim predicted a negative impact on patient-reported outcome. Evidence for the remaining factors indicated they do not predict patient-reported outcome.
Conclusion: Six of the eight preoperative factors reviewed did not show a relationship with patient-reported outcome following rotator cuff repair. Evidence indicates a worker’s compensation claim negatively impacts patient-reported outcomes and increasing age resulted in a less favorable DASH score. However, age was not predictive of other patient-reported outcomes such as the Constant score or American Shoulder and Elbow Surgeons Shoulder Score. Overall quality of the included studies was low and future studies with stronger methodologies should be conducted.