ArticleJournal of orthopaedics2023
Substantial improvement in short-term pain following carpal tunnel surgery for patients with moderate preoperative electromyography findings is diminished with diabetes and smoking.
Article in Journal of orthopaedics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: Carpal tunnel syndrome is a common orthopedic diagnosis that often benefits from surgical intervention. There is limited published data analyzing the correlation of smoking and diabetes with the outcomes of open carpal tunnel release, specifically with pain perception and electrophysiology results. The purpose of this study is to determine if smoking and diabetes affect preoperative pain perception in patients with carpal tunnel syndrome when correlated with EMG findings and to determine the differences in pain relief obtained 2 weeks post-operatively in this population. Methods: Following IRB approval, the authors conducted a retrospective chart review of consecutive patients who underwent open carpal tunnel release from January 1, 2019, to June 30, 2022, by a single surgeon at an academic hospital. Demographic information was collected. Pre- and 2-week postoperative VAS pain scores and the severity of disease assessed by EMG preoperatively were recorded. Subgroup analysis was performed, and patients were further stratified by preoperative EMG result into mild, moderate, and severe cohorts. Results: Patients who smoked compared to non-smokers had an average improvement in VAS of 2.1 versus 2.8. Patients with reported diabetes compared to non-diabetics had an average improvement in VAS of 2.3 versus VAS of 2.7. Patients who smoked and had diabetes compared to non-smoking, non-diabetic patients reported a change in VAS of 1.92 compared to 2.6. Subgroup analysis of patients with moderate EMG findings demonstrated that patients with diabetes had significantly less improvement in VAS compared to patients without diabetes and smokers had significantly less improvement in VAS compared to non-smokers. Conclusion: This study showed that among the subgroup of patients with moderate preoperative EMG findings, there was more improvement in pain following carpal tunnel release in non-diabetic patients compared to diabetic patients, and among non-smokers compared to smokers. This study is useful when counseling patients on confounding factors that affect 2-week postoperative recovery.
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