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Several patient factors yielded greater risk of postoperative new-onset pseudoparalysis
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Results published in The American Journal of Sports Medicine showed a torn subscapularis, larger supraspinatus tear size, older age and preoperative stiffness yielded a greater risk for postoperative new-onset pseudoparalysis among patients who underwent arthroscopic repair for a large to massive rotator cuff tear.
Researchers stratified 430 consecutive arthroscopic repairs for large to massive rotator cuff tears performed between March 2010 and March 2016 for the occurrence of postoperative new-onset pseudoparalysis. Researchers compared demographic, clinical and operative characteristics in patients with and those without postoperative new-onset pseudoparalysis to determine the risk factors for postoperative new-onset pseudoparalysis.
Results showed an incidence of postoperative new-onset pseudoparalysis of 6%. Researchers found torn subscapularis, retraction of the torn supraspinatus of 30 mm or greater, age 65 years or older and preoperative stiffness to be predictors of postoperative new-onset pseudoparalysis. Postoperative new-onset pseudoparalysis had a reversal rate of 65.4%, according to results, with occurrence and reversal not related to retear.
“The mean time from [postoperative new-onset pseudoparalysis] PONP onset to reversal was 10 months, and PONP reversal was affected solely by fatty infiltration of the supraspinatus,” the authors wrote. “Therefore, surgeons should consider the risk for PONP and attempt to identify high-risk patients before rotator cuff repair.” – by Casey Tingle
Disclosures: The authors report no relevant financial disclosures.
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