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Thyroid-Related Hormone Levels in Clinical Patients With Moderately Severe-to-Profound Sudden Sensorineural Hearing Loss: A Prospective Study

ABSTRACT: Objectives: Sudden sensorineural hearing loss (SSNHL) is a common otological emergency, causing a measure of hearing loss and affecting the quality of life. This study aims to investigate the association of thyroid-related hormone levels with moderately severe-to-profound SSNHL. Methods: The study included 70 patients with moderately severe-to-profound SSNHL and 100 age- and sex-matched healthy controls. Peripheral venous blood samples were taken from the participants, and their thyroid-related hormone levels were measured at admission and 1 week after treatment. Results: In moderately severe-to-profound SSNaHL patients, the concentrations of total triiodothyronine (TT3), total thyroxine (TT4), free triiodothyronine (FT3), and thyroid-stimulating hormone (TSH) (all P < 0.05) were significantly lower than in the control group. The TT3, TT4, FT3, and TSH levels were significantly higher in the effective group than in the ineffective group (all P < 0.05). Linear correlation analysis revealed that TSH level (R = 0.707, P < 0.05) elevation after treatment successfully predicted a favorable outcome of hearing recovery. Logistic regression analyses suggested low FT3 and TSH levels to be independent occurrence predictors, while the increase of TSH level may be an independent favorable outcome predictor. Conclusions: The results suggest that low FT3 and TSH levels are risk factors for moderately severe-to-profound SSNHL. By discovering the positive association between TSH elevation and hearing recovery, along with the potential novel predictors of FT3 and TSH, our study may contribute valuable insights to the research and treatment of moderately severe-to-profound SSNHL.

SUBMITTER: Zheng Z

PROVIDER: S-EPMC8581239 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionTo compare inpatient treated patients with idiopathic (ISSNHL) and non-idiopathic sudden sensorineural hearing loss (NISSNHL) regarding frequency, hearing loss, treatment and outcome.MethodsAll 574 inpatient patients (51% male, median age: 60 years) with ISSNHL and NISSNHL, who were treated in federal state Thuringia in 2011 and 2012, were included retrospectively. Univariate and multivariate statistical analyses were performed.ResultsISSNHL was diagnosed in 490 patients (85%), NISSNHL in 84 patients (15%). 49% of these cases had hearing loss due to acute otitis media, 37% through varicella-zoster infection or Lyme disease, 10% through Menière disease and 7% due to other reasons. Patients with ISSNHL and NISSNHL showed no difference between age, gender, side of hearing loss, presence of tinnitus or vertigo and their comorbidities. 45% of patients with ISSNHL and 62% with NISSNHL had an outpatient treatment prior to inpatient treatment (p < 0.001). The mean interval between onset of hearing loss to inpatient treatment was shorter in ISSNHL (7.7 days) than in NISSNHL (8.9 days; p = 0.02). The initial hearing loss of the three most affected frequencies in pure-tone average (3PTAmax) scaled 72.9 dBHL ± 31.3 dBHL in ISSNHL and 67.4 dBHL ± 30.5 dBHL in NISSNHL. In the case of acute otitis media, 3PTAmax (59.7 dBHL ± 24.6 dBHL) was lower than in the case of varicella-zoster infection or Lyme disease (80.11 dBHL ± 34.19 dBHL; p = 0.015). Mean absolute hearing gain (Δ3PTAmaxabs) was 8.1 dB ± 18.8 dB in patients with ISSNHL, and not different in NISSNHL patients with 10.2 dB ± 17.6 dB. A Δ3PTAmaxabs ≥ 10 dB was reached in 34.3% of the patients with ISSNHL and to a significantly higher rate of 48.8% in NISSNHL patients (p = 0.011).ConclusionsISSNHL and NISSNHL show no relevant baseline differences. ISSNHL tends to have a higher initial hearing loss. NISSHNL shows a better outcome than ISSNHL.

Project description:OBJECTIVES:We, herein, report two novel USH2A variants from two unrelated Korean families and their clinical phenotypes, with attention to severe or more than severe sensorineural hearing loss (SNHL). METHODS:Two postlingually deafened subjects (SB237-461, M/46 and SB354-692, F/34) with more than severe SNHL and also with suspicion of Usher syndrome type II (USH2) were enrolled. A comprehensive audiological and ophthalmological assessments were evaluated. We conducted the whole exome sequencing and subsequent pathogenicity prediction analysis. RESULTS:We identified the following variants of USH2A from the two probands manifesting more than severe SNHL and retinitis pigmentosa (RP): compound heterozygosity for a nonsense (c.8176C>T: p.R2723X) and a missense variant (c.1823G>A: p.C608Y) in SB237, and compound heterozygosity for two frameshift variants (c.14835delT: p.S4945fs & c.13112_13115delAAAT: p.G4371fs) in SB354. Based on the American College of Medical Genetics and Genomics/Association for Molecular Pathology guidelines, two novel variants, c.1823G>A: p.C608Y and c.14835delT: p.Ser4945fs, can be classified as "uncertain significance" and "pathogenic," respectively. The audiogram exhibited more than severe SNHL and a down-sloping configuration, necessitating cochlear implantation. The ophthalmic examinations revealed typical features of RP. Interestingly, one proband (SB 354-692) carrying two truncating compound heterozygous variants exhibited more severe hearing loss than the other proband (SB 237-461), carrying one truncation with one missense variant. CONCLUSION:Our results provide insight on the expansion of audiological spectrum encompassing more than severe SNHL in Korean subjects harboring USH2A variants, suggesting that USH2A should also be included in the candidate gene of cochlear implantation. A specific combination of USH2A variants causing truncating proteins in both alleles could demonstrate more severe audiological phenotype than that of USH2A variants carrying one truncating mutation and one missense mutation, suggesting a possible genotype-phenotype correlation. The understanding of audiological complexity associated with USH2A will be helpful for genetic counseling and treatment starategy.

Project description:ImportancePatients with idiopathic sudden sensorineural hearing loss (ISSNHL) often experience permanent hearing impairment, which could result in psychological perturbations. However, the relationship between ISSNHL and affective disorders, including depression, anxiety, and bipolar disorder, has not been fully evaluated.ObjectiveTo investigate the potential relationship between ISSNHL and affective disorders using nationwide representative cohort sample data.Design, setting, and participantsThis study used a nationwide propensity score-matched cohort sample from the Korean National Health Insurance Service database from 2002 through 2013, which comprises data from approximately 1 million patients. The study included 1425 patients with ISSNHL and 7125 individuals without ISSNHL who were matched using propensity score matching, according to sociodemographic factors and enrollment year.Main outcomes and measuresSurvival analysis, the log-rank test, and Cox proportional hazards regression models were used to calculate the incidence, survival rate, and hazard ratio (HR) of developing affective disorders (anxiety, depression, and bipolar disorder) for each group.ResultsOf the total study population of 8550 (51.5% female), 961 developed affective disorders during the 11-year follow-up: 225 in the ISSNHL group (15.8%) and 736 in the comparison group (10.3%). We examined a total of 96 885.5 person-years (81 177.4 person-years in the comparison group and 15 708.1 person-years in the ISSNHL group). The incidence of affective disorders was 14.3 per 1000 person-years in the ISSNHL group and 9.1 per 1000 person-years in the comparison group. After adjustment for other factors, individuals with ISSNHL developed affective disorders more frequently than those in the comparison group (HR, 1.50; 95% CI, 1.30-1.75). Among the affective disorders, the HR of developing depression (HR, 1.66; 95% CI, 1.44-1.91) and anxiety disorder (HR, 1.79; 95% CI, 1.56-2.05) but not bipolar disorder (HR, 0.95; 95% CI, 0.54-1.70), was significantly greater in patients with ISSNHL.Conclusions and relevanceThis cohort study suggests that ISSNHL is associated with an increased incidence of affective disorders, specifically depression and anxiety. Therefore, these findings suggest that clinicians should monitor patients with ISSNHL carefully, and take specific precautions to reduce their risk of depression and anxiety disorder.

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Thyroid-Related Hormone Levels in Clinical Patients With Moderately Severe-to-Profound Sudden Sensorineural Hearing Loss: A Prospective Study

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