Acta Neurochir (Wien) 2021 09 4;163(9):2435-2444. Epub 2021 Jul 4.
Department of Neurosurgery, Aichi Medical University, 1-1 Yazakokarimata, Nagakute, Aichi Prefecture, 480-1195, Japan.
Background: We present a case series of underwater microvascular decompression (MVD) for hemifacial spasm (HFS) and an evaluation of its feasibility and safety.
Methods: This retrospective study was conducted at a single institution and included 20 patients with HFS who underwent underwater MVD between September 2019 and January 2021. Surgery was performed in 3 steps, as follows: exoscopic wound opening (soft tissue, bone, dura, and arachnoid around the cerebellomedullary cistern), underwater endoscopic surgery (decompression of the facial nerve), and exoscopic wound closure. Read More