Long-term administration of vitamin B12 and adenosine triphosphate for idiopathic sudden sensorineural hearing loss: a retrospective study.

Abstract:

Background:In idiopathic sudden sensorineural hearing loss (ISSNHL), the relationship between the administration duration of vitamin B12 (vit B12) with adenosine triphosphate (ATP) and their therapeutic effect is not fully understood. Objective:To investigate the therapeutic effect of long-term 16 (≥weeks) administration of vit B12 with ATP on the prognosis of ISSNHL patients and compare it with those of short-term (<8 weeks) and middle-term (≥8 weeks, <16 weeks) administration. Methods:We retrospectively reviewed the medical records of 117 patients with ISSNHL treated between 2015 and 2018. Results:The overall recovery rate was 32.5%. Initial higher hearing threshold and initial higher grade of hearing loss (HL) were associated with a poor prognosis. However, the administration duration of vit B12 and ATP did not influence the overall hearing improvement. With regard to the time course of hearing recovery, there was no significant difference in hearing recovery among the long-, middle-, and short-term administration groups until 16 weeks after treatment. However, at 16-24 weeks after initial treatment, the short-term administration group exhibited significantly lower hearing recovery than did the long-term administration groups. Conclusions:The administration duration of vit B12 and ATP did not influence the overall hearing prognosis in ISSNHL, but long-term administration of vit B12 and ATP helped prevent the progression of HL after ISSNHL. Our results suggest that long-term administration of vit B12 and ATP is not necessarily required to treat ISSNHL patients, except for slowly progressing HL in the affected ears.

journal_name

PeerJ

journal_title

PeerJ

authors

Kurioka T,Sano H,Furuki S,Yamashita T

doi

10.7717/peerj.10406

subject

Has Abstract

pub_date

2020-12-16 00:00:00

pages

e10406

issn

2167-8359

pii

10406

journal_volume

8

pub_type

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