Evidence map›Paper›PMID 38516543›Full record

ArticleOtology & neurotology open2023

The Association Between Dehydration and the Prognosis of Sudden Sensorineural Hearing Loss.

Yasunori Abe, Masahiro Okada, Keiko Tanaka, Kensuke Toyama, Yoshito Miyamoto, Naohito Hato

Open access · diamondAbstract read
In one paragraph

Article in Otology & neurotology open, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.5field-weighted citation impact, top 34% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 4 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Yasunori AbeDepartment of Otolaryngology, Head and Neck Surgery, Ehime University School of Medicine, Toon, Japan.
Masahiro OkadaDepartment of Otolaryngology, Head and Neck Surgery, Ehime University School of Medicine, Toon, Japan.
Keiko TanakaDepartment of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Toon, Japan.
Kensuke ToyamaDepartment of Pharmacology, Ehime University Graduate School of Medicine, Toon, Japan.
Yoshito MiyamotoDepartment of Otolaryngology, Jyuzen General Hospital, Niihama, Japan.
Naohito HatoDepartment of Otolaryngology, Head and Neck Surgery, Ehime University School of Medicine, Toon, Japan.
Ehime University · JPEiju General Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: There is an urgent need to identify undetermined risk factors for sudden sensorineural hearing loss (SSNHL) for the development of effective treatment strategies. SSNHL is likely associated with vascular insufficiency; however, no study has evaluated the relationship between dehydration and SSNHL. Objective: This study aimed to investigate the role of dehydration in the development and prognosis of sudden sensorineural hearing loss. Study Design: Retrospective case-control study. Setting: Secondary referral hospital. Patients and Interventions: This was a comparative study that compared dehydration parameters between healthy subjects without SSNHL (n = 94) and patients with SSNHL (n = 94). The study also evaluated the effect of dehydrated conditions on the prognosis of SSNHL. Main Outcome Measures: We compared dehydration parameters, such as the blood urea nitrogen-to-creatinine ratio (BUN/Cre) and plasma osmolality (Posm), between matched healthy subjects without SSNHL and patients with SSNHL. To evaluate the effect of dehydrated conditions on the SSNHL prognosis, the SSNHL patients were divided into 2 groups based on the cutoff value obtained from the receiver operating characteristic analysis: hydrated (n = 50; BUN/Cre <21.4) and dehydrated (n = 44; BUN/Cre ≥21.4) groups. Subsequently, the severity and prognosis of SSNHL were analyzed. Results: The dehydration parameters, BUN/Cre and Posm, were significantly higher in patients with SSNHL than in healthy subjects. The initial hearing levels and SSNHL grades were worse in the dehydrated group than in the hydrated group. Moreover, a dehydrated condition (BUN/Cre ≥21.4) was associated with a poor SSNHL prognosis in all models of the multiple logistic regression analysis. Conclusions: The dehydration parameters of BUN/Cre and Posm were higher in patients with SSNHL than in healthy subjects. Additionally, a dehydrated condition (BUN/Cre ≥21.4) was an independent prognostic factor for SSNHL. Level of evidence: Level 4.

Indexed as

BUN/Cre ratioDehydrationPlasma osmolalityPrognosisSudden sensorineural hearing loss

Identifiers

PMID38516543
PMCPMC10950149
OpenAlexW4388408933

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.