Original Research

Repeated Ultrasound-Guided Lumbar SympatheticBlock for Refractory Painful Diabetic PeripheralNeuropathy: The First Case from Mzuzu CentralHospital, Malawi

Junyi Ren1,2, Francis Masoo2, Yingpu Zhu*3,4 Corresponding Author: Yingpu Zhu; E-mail: zypjade-96722@163.com AbstractBackgroundPainful diabetic peripheral neuropathy (PDPN) is a common complication of diabetes mellitus characterized by chronic neuropathic pain, sleep disturbance, and impaired quality of life. Although pharmacological therapies remain…