Tuesday, November 13, 2018

Shoulder pain at one year after rotator cuff repair

A prospective evaluation of predictors of pain after arthroscopic rotator cuff repair: psychosocial factors have a stronger association than structural factors

These authors evaluated the correlation of preoperative factors with pain after arthroscopic rotator cuff repair in 93 patients prospectively enrolled and evenly distributed by tear size.

54% of the patients were men with a mean age of 56.4 years. There were 68% traumatic tears, 11% smokers, and 13% used narcotics preoperatively. 

Overall the Simple Shoulder Test Scores improved from an average of 4.4 before surgery to 11.2 out of 12 at 1 year after surgery. Patients with lower preoperative SST scores had significantly more pain at 2 weeks and one year after surgery.

Preoperative narcotic use, higher preoperative VAS, and lower scores on the WORC index and emotion sections correlated with increased pain scores at 1 year.

Supraspinatus atrophy and smoking status also correlated with worse outcomes at 1 year. 

The authors concluded that  the factors most predictive of persistent pain after ARCR were psychosocial characteristics, including poor performance on validated measures of emotional well-being. Demographic and tear-specific structural factors did not correlate with postoperative pain scores.

Comment: This is an interesting study suggesting that surgeons should inform patients with the identified psychosocial features that they are at risk for persistent postoperative pain. 

It would have been of interest to know the relationship of the structural integrity of the cuff repair to the patients postoperative pain.

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