Background: There is no universally accepted gold standard for decision-making regarding the choice of surgery for carpal tunnel syndrome. A combination of clinical examination and electrophysiological studies has been commonly used for the diagnosis of CTS and grading its severity with the recent introduction of ultrasonographic examination as a reliable diagnostic tool. In severe cases of CTS, carpal tunnel release surgery is usually done, while patients with mild or moderate degree of the disease usually start with conservative treatment. Knowing which diagnostic test more accurately reflects the severity of CTS is mandatory for proper decision-making regarding management.Objective: To correlate preoperative diagnostic tools (clinical presentation, Nerve conduction study, and US) findings with intraoperative findings to find out which one of these preoperative diagnostic tools plays the greatest role in the decision-making process regarding the choice of surgery.Method: Surgically treated 18 patients diagnosed with carpal tunnel syndrome (CTS) were included in the study. A correlation between clinical, electrophysiological, and ultrasonographic data and intraoperative findings was done.Results: Statistical analysis shows positive correlation between clinical, electrophysiological and ultrasonographic data, and intraoperative findings with electrophysiological studies being the best and only statistically significant predictor of severity.
Conclusion:Electrophysiological studies provide the best predictor of the severity of CTS but more studies are needed to test the accuracy of these results.