Clinical and Structural Outcomes After Rotator Cuff Repair in Patients With Diabetes. A Meta-analysis

Structured Statement on Rotator Cuff Repair in Diabetic Patients


The document under review is a scientific paper titled “The Effect of Diabetes on Rotator Cuff Repair: A Comparison of Insulin-Dependent and Non-Insulin-Dependent Diabetic Patients“ 1. This paper investigates the impact of diabetes, specifically differentiating between insulin-dependent and non-insulin-dependent diabetes, on the outcomes of rotator cuff repair surgery.

Summary of the Original Study

The study found that diabetic patients, regardless of whether they are insulin-dependent or non-insulin-dependent, have a higher rate of re-tear after rotator cuff repair surgery compared to non-diabetic patients. The re-tear rate was highest in insulin-dependent diabetic patients. The study also found that diabetic patients had a lower improvement in functional scores post-surgery compared to non-diabetic patients.

Comparison with Other Studies

A meta-analysis titled “Rotator cuff repair in diabetic patients: a systematic review and meta-analysis“ 2 corroborates the findings of the original study. This meta-analysis found that diabetic patients had a higher re-tear rate and lower functional improvement after rotator cuff repair surgery compared to non-diabetic patients. The study also highlighted the need for more high-quality randomized controlled trials to further investigate this issue.

Imaging Modalities for Rotator Cuff Tears

A Cochrane review titled “Magnetic resonance imaging, magnetic resonance arthrography and ultrasonography for assessing rotator cuff tears in people with shoulder pain for whom surgery is being considered“ 3 provides insights into the best imaging modalities for diagnosing rotator cuff tears. The review concluded that ultrasonography (US) and magnetic resonance imaging (MRI) were equivalent for detecting full-thickness rotator cuff tears. However, US may be better at detecting partial tears. This information is relevant for the preoperative planning of rotator cuff repair surgery in diabetic patients.


In conclusion, both the original study and the meta-analysis suggest that diabetes, particularly insulin-dependent diabetes, negatively impacts the outcomes of rotator cuff repair surgery. This highlights the need for clinicians to consider the diabetic status of patients when planning rotator cuff repair surgery and to closely monitor diabetic patients post-surgery. Further high-quality randomized controlled trials are needed to confirm these findings and to investigate potential strategies to improve surgical outcomes in diabetic patients.

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