High-voltage pulsed radiofrequency combined with tolerable thermocoagulation for the treatment of postherpetic neuralgia: study protocol for a randomized controlled trial
Postherpetic neuralgia (PHN) is a common and debilitating complication of herpes zoster that significantly affects patients’ quality of life, particularly among elderly and immunocompromised individuals. Although pharmacological therapies are widely used, they often provide limited pain relief and have undesirable side...