Is Idiopathic Sudden Sensorineural Hearing Loss Seasonal?

Simani, Liam; Oron, Yahav; Shapira, Udi; Handzel, Ophir; Eta, Rani Abu; Warshavsky, Anton; Horowitz, Gilad; Muhanna, Nidal; Shilo, Shahaf; Ungar, Omer J.

doi:10.1097/mao.0000000000003661

Cited by 6 publications

(4 citation statements)

References 36 publications

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“…Additionally, a preliminary report has indicated a seasonal pattern of SSNHL episodes. The results showed that the incidence of SSNHL was lowest in winter and highest in spring (Simani et al 2022 ). However, no study has been conducted using advanced statistical models to systematically quantify and assess the influence of meteorological variables containing the temperature mean (T-mean), diurnal temperature range (DTR), atmospheric pressure (AP), relative humidity (RH), and wind speed on SSNHL, despite the previously clarified role of ambient temperature in SSNHL.…”

Section: Introductionmentioning

confidence: 99%

Association of sudden sensorineural hearing loss with meteorological factors: a time series study in Hefei, China, and a literature review

Li,

Han,

et al. 2024

Environ Sci Pollut Res

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Air pollution can cause disease and has become a major global environmental problem. It is currently believed that air pollution may be related to the progression of SSNHL. As a rapidly developing city in recent years, Hefei has serious air pollution. In order to explore the correlation between meteorological variables and SSNHL admissions, we conducted this study. This study investigated the short-term associations between SSNHL patients admitted to the hospital and Hefei climatic variables. The daily data on SSNHL-related hospital admissions and meteorological variables containing mean temperature (T-mean; °C), diurnal temperature range (DTR; °C), atmospheric pressure (AP; Hp), and relative humidity (RH; %), from 2014 to 2021 (2558 days), were collected. A time-series analysis integrating distributed lag non-linear models and generalized linear models was used. PubMed, Embase, Cochrane Library, and Web of Science databases were searched. Literature published up to August 2023 was reviewed to explore the potential impact mechanisms of meteorological factors on SSNHL. The mechanisms were determined in detail, focusing on wind speed, air pressure, temperature, humidity, and air pollutants. Using a median of 50.00% as a baseline, the effect of exceedingly low T-mean in the single-day hysteresis effect model began at a lag of 8 days (RR = 1.032, 95% CI: 1.001 ~ 1.064). High DTR affected the admission rate for SSNHL on lag 0 day. The significance of the effect was the greatest on that day (RR = 1.054, 95% CI: 1.007 ~ 1.104) and then gradually decreased. High and exceedingly high RH affected the admission rate SSNHL on lag 0 day, and these effects lasted for 8 and 7 days, respectively. There were significant associations between all grades of AP and SSNHL. This is the first study to assess the effect of meteorological variables on SSNHL-related admissions in China using a time-series approach. Long-term exposures to high DTR, RH values, low T-mean values, and all AP grades enhance the incidence of SSNHL in residents. Limiting exposure to extremes of ambient temperature and humidity may reduce the number of SSNHL-related hospital visits in the region. It is advisable to maintain a suitable living environment temperature and avoid extreme temperature fluctuations and high humidity. During periods of high air pollution, it is recommended to stay indoors and refrain from outdoor exercise.

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Section: Introductionmentioning

confidence: 99%

Association of sudden sensorineural hearing loss with meteorological factors: a time series study in Hefei, China, and a literature review

Li,

Han,

et al. 2024

Environ Sci Pollut Res

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“…We found that the number of patients diagnosed with sensorineural hearing loss who continued to visit the clinic year after year increased signi cantly and steadily. A study examining the circadian rhythm (seasonal incidence) of sudden hearing loss found that it was seasonal and increased during the spring months of March, April, and May 21 . When analyzed by differencing, out of the eight types, only sudden hearing loss showed signi cant seasonality, with a consistent increase in the number of patients in winter.…”

Section: Discussionmentioning

confidence: 99%

Clinical characteristics of the “Gap” between the prevalence and incidence of hearing loss using National Health Insurance Service data

Lee,

Yoon,

Lee

et al. 2023

Preprint

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Hearing loss is the inability to hear speech or sounds well, owing to a number of causes. This study aimed to simultaneously determine the prevalence, incidence, and the gap between them in hearing loss in South Korean patients at the same point in time as well as to identify patients who have not recovered from hearing loss. We examined the prevalence and incidence of patients diagnosed with hearing loss in the National Health Insurance Service database over an 11-year period from 2010 to 2020. The difference between prevalence and incidence was defined by the term “Gap”. Clinical characteristics such as sex and age per 100,000 individuals were examined. As of 2020, the domestic prevalence and incidence rates obtained in this study were 1.84% and 1.57%, respectively, and the prevalence and incidence rates increased with increasing age. The gap was 0.27%, which showed a steady increasing trend from 2011 to 2020, and the total medical expenses increased accordingly. Because hearing loss is an irreversible disease, this Gap could mean many things, but it could be seen as a patient who has never recovered from hearing loss.

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“…In this study, I think it is the result of a well-reflected study that sensory neurotic hearing loss accounts for the most types of Gap hearing loss. A study examining the circadian rhythm (seasonal incidence) of sudden hearing loss found that it was seasonal and increased during the spring months of March, April, and May [21]. When analyzed by differencing, out of the eight types, only sudden hearing loss showed significant seasonality, with a consistent increase in the number of patients in winter.…”

Section: Plos Onementioning

confidence: 99%

Clinical characteristics of the “Gap” between the prevalence and incidence of hearing loss using National Health Insurance Service data

Lee,

Yoon,

Lee

et al. 2024

PLoS ONE

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Objectives Hearing loss is the inability to hear speech or sounds well, owing to a number of causes. This study aimed to simultaneously determine the prevalence, incidence, and the Gap between them in hearing loss in South Korean patients at the same point in time as well as to identify patients who have not recovered from hearing loss. Methods We examined the prevalence and incidence of patients diagnosed with hearing loss in the National Health Insurance Service database over an 11-year period from 2010 to 2020. The difference between the prevalence and the incidence was defined in this study as the term "Gap". Gap is the number of patients converted into the number of patients per 100,000 people by subtracting the incidence from the prevalence. Clinical characteristics such as sex and age per 100,000 individuals were examined. Results As of 2020, the domestic prevalence obtained in this study was 1.84%, increasing annually, and the prevalence increased with age to 4.10% among those over 60. The domestic incidence was 1.57%, increasing annually, and the incidence increased with age to 3.36% for those over 60s. The Gap was 0.27%, showing a steady increase from 2011 to 2020 with a corresponding increase in insurance benefit expenses. Conclusion To fully understand the burden of hearing loss and develop effective prevention and treatment strategies, it is important to measure the Gap between its prevalence and incidence. This Gap means a lot because hearing loss is an irreversible disease. Gap represents patients who have already been diagnosed with hearing loss and are being diagnosed every year, indicating that the number of patients who do not recover is increasing. In other words, the increase in Gap meant that there were many patients who constantly visited the hospital for diagnosis of hearing loss.

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Is Idiopathic Sudden Sensorineural Hearing Loss Seasonal?

Cited by 6 publications

References 36 publications

Association of sudden sensorineural hearing loss with meteorological factors: a time series study in Hefei, China, and a literature review

Association of sudden sensorineural hearing loss with meteorological factors: a time series study in Hefei, China, and a literature review

Clinical characteristics of the “Gap” between the prevalence and incidence of hearing loss using National Health Insurance Service data

Clinical characteristics of the “Gap” between the prevalence and incidence of hearing loss using National Health Insurance Service data

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