Comparison of Pulsed Radiofrequency and Endoscopic Piriformis Release for Refractory Piriformis Syndrome: A Propensity Score-Matched Retrospective Cohort Study.

Although the difference did not reach statistical significance, the median time to reintervention was not reached in either group, supporting a longer efficacy duration in EPR ( Figure 2 ). 3.3.

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While EPR showed a trend toward higher satisfaction and fewer reinterventions, the increased complication rate highlights the importance of careful patient selection and counseling about potential risks.

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