Degeneration of urethane sponge prosthesis as source of late recurrence of hemifacial spasm: A case report

Mayuko Otomo; Takashi Inoue; Masayuki Ezura; Hiroshi Uenohara; Teiji Tominaga

doi:10.1016/j.inat.2022.101697

Degeneration of urethane sponge prosthesis as source of late recurrence of hemifacial spasm: A case report

Mayuko Otomo, Takashi Inoue, Masayuki Ezura, Hiroshi Uenohara, Teiji Tominaga

Research output: Contribution to journal › Article › peer-review

Abstract

We describe a case of second microvascular decompression (MVD) 30 years after the first operation. A 54-year-old male first developed left hemifacial spasm (HFS) at age 23 years. He underwent MVD surgery using urethane sponge as prosthesis. He had no recurrence for approximately 20 years. He suffered relapse at age 42 years. Second MVD was carried out. Intraoperative findings demonstrated degenerated urethane sponge around the left glossopharyngeal nerve. The abnormal muscle response wave immediately disappeared as the sponge was removed. The patient has experienced no spasm since the surgery. Previously reported study found 10.8 % of patients who underwent initial MVD experienced recurrence at mean 51.1 months. We speculate that degeneration of the sponge which resulted recurrence of HFS in our case.

Original language	English
Article number	101697
Journal	Interdisciplinary Neurosurgery: Advanced Techniques and Case Management
Volume	31
DOIs	https://doi.org/10.1016/j.inat.2022.101697
Publication status	Published - 2023 Mar
Externally published	Yes

Keywords

Hemifacial spasm
Long-term follow up
Microvascular decompression
Recurrence

ASJC Scopus subject areas

Surgery
Clinical Neurology

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10.1016/j.inat.2022.101697

Cite this

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title = "Degeneration of urethane sponge prosthesis as source of late recurrence of hemifacial spasm: A case report",

abstract = "We describe a case of second microvascular decompression (MVD) 30 years after the first operation. A 54-year-old male first developed left hemifacial spasm (HFS) at age 23 years. He underwent MVD surgery using urethane sponge as prosthesis. He had no recurrence for approximately 20 years. He suffered relapse at age 42 years. Second MVD was carried out. Intraoperative findings demonstrated degenerated urethane sponge around the left glossopharyngeal nerve. The abnormal muscle response wave immediately disappeared as the sponge was removed. The patient has experienced no spasm since the surgery. Previously reported study found 10.8 % of patients who underwent initial MVD experienced recurrence at mean 51.1 months. We speculate that degeneration of the sponge which resulted recurrence of HFS in our case.",

keywords = "Hemifacial spasm, Long-term follow up, Microvascular decompression, Recurrence",

author = "Mayuko Otomo and Takashi Inoue and Masayuki Ezura and Hiroshi Uenohara and Teiji Tominaga",

note = "Funding Information: None. Publisher Copyright: {\textcopyright} 2022 The Authors",

year = "2023",

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doi = "10.1016/j.inat.2022.101697",

language = "English",

volume = "31",

journal = "Interdisciplinary Neurosurgery: Advanced Techniques and Case Management",

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T1 - Degeneration of urethane sponge prosthesis as source of late recurrence of hemifacial spasm

T2 - A case report

AU - Otomo, Mayuko

AU - Inoue, Takashi

AU - Ezura, Masayuki

AU - Uenohara, Hiroshi

AU - Tominaga, Teiji

PY - 2023/3

Y1 - 2023/3

N2 - We describe a case of second microvascular decompression (MVD) 30 years after the first operation. A 54-year-old male first developed left hemifacial spasm (HFS) at age 23 years. He underwent MVD surgery using urethane sponge as prosthesis. He had no recurrence for approximately 20 years. He suffered relapse at age 42 years. Second MVD was carried out. Intraoperative findings demonstrated degenerated urethane sponge around the left glossopharyngeal nerve. The abnormal muscle response wave immediately disappeared as the sponge was removed. The patient has experienced no spasm since the surgery. Previously reported study found 10.8 % of patients who underwent initial MVD experienced recurrence at mean 51.1 months. We speculate that degeneration of the sponge which resulted recurrence of HFS in our case.

AB - We describe a case of second microvascular decompression (MVD) 30 years after the first operation. A 54-year-old male first developed left hemifacial spasm (HFS) at age 23 years. He underwent MVD surgery using urethane sponge as prosthesis. He had no recurrence for approximately 20 years. He suffered relapse at age 42 years. Second MVD was carried out. Intraoperative findings demonstrated degenerated urethane sponge around the left glossopharyngeal nerve. The abnormal muscle response wave immediately disappeared as the sponge was removed. The patient has experienced no spasm since the surgery. Previously reported study found 10.8 % of patients who underwent initial MVD experienced recurrence at mean 51.1 months. We speculate that degeneration of the sponge which resulted recurrence of HFS in our case.

KW - Hemifacial spasm

KW - Long-term follow up

KW - Microvascular decompression

KW - Recurrence

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Degeneration of urethane sponge prosthesis as source of late recurrence of hemifacial spasm: A case report

Abstract

Keywords

ASJC Scopus subject areas

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