Complex regional pain syndrome type II following severe acute respiratory syndrome coronavirus 2 vaccination: a case report

Abstract

Most of the population has been vaccinated against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here we describe the case of a 17-years-old girl who developed breakthrough pain in the left forearm following SARS-CoV-2 vaccination and was diagnosed with complex regional pain syndrome (CRPS) type II. The patient received several treatments including brachial plexus block, stellate ganglion block, xenon light irradiation, and Japanese Kampo medicine. At 22 weeks after the vaccination, the patient achieved a visual analog scale score of 0 for both pain at rest and breakthrough pain, illustrating the efficacy of the combined treatment for CRPS type II.