Pulsed and cooled radiofrequency for chronic shoulder pain: a systematic review of comparative and cohort studies
Background Chronic shoulder pain is a common cause of pain and disability, and repeated corticosteroid injections often provide only temporary symptom relief. Pulsed radiofrequency (PRF) and cooled radiofrequency ablation (CRFA) have emerged as minimally invasive interventional options; however, their comparative effec...