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Weather conditions and sudden sensorineural hearing loss.

Danielides V, Nousia CS, Bartzokas A, Lolis CJ, Kateri M, Skevas A - BMC Ear Nose Throat Disord (2002)

Bottom Line: RESULTS: The results of the study could not indicate any seasonal distribution of the disease.The incidence of ISSHL could not be significantly correlated either to any distinct meteorological parameter or to any specific weather type.CONCLUSIONS: Meteorological conditions, such as those dominating in the Northwestern Greece, and/or their changes, have no proven effect on the incidence of ISSHL.

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Affiliation: Department of Otorhinolaryngology, University of Ioannina Medical School, Ioannina 45110, Greece. vdanielidis@hotmail.com

ABSTRACT
BACKGROUND: Climatic or meteorological condition changes have been implicated in the pathogenesis of Idiopathic Sudden Sensorineural Hearing Loss (ISSHL). We investigated the seasonal distribution of ISSHL and evaluated the influence of meteorological parameters (such as temperature, humidity, and atmospheric pressure), their variation and covariation on the incidence of the disease. METHODS: A total of 82 cases of ISSHL, admitted to our department over a five-year period, were enrolled in the study. Seasonal distribution of the disease was investigated by dividing the year in four seasons. Meteorological data included daily values of 13 distinct parameters recorded at the meteorological station of the University of Ioannina during this period. A relationship between each meteorological variable and the incidence of ISSHL was investigated by applying (chi2) test on data from 13 contingency tables as well as by using logistic regression and t-test approaches. In addition, the influence of different weather types on the incidence of ISSHL was investigated using Cluster Analysis in order to create eight clusters (weather types) characteristic for the prefecture of Ioannina. RESULTS: The results of the study could not indicate any seasonal distribution of the disease. The incidence of ISSHL could not be significantly correlated either to any distinct meteorological parameter or to any specific weather type. CONCLUSIONS: Meteorological conditions, such as those dominating in the Northwestern Greece, and/or their changes, have no proven effect on the incidence of ISSHL.

No MeSH data available.


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Distribution (%) of ISSHL events per age decade for men, women as well as for all the patients.
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Figure 1: Distribution (%) of ISSHL events per age decade for men, women as well as for all the patients.

Mentions: Distribution of the ISSHL events per age decade for men, women as well as for the total group of patients revealed an increment in the incidence of the disease starting from the third decade. Peak morbidity was found in the sixth and seventh decade of life (Figure 1).


Weather conditions and sudden sensorineural hearing loss.

Danielides V, Nousia CS, Bartzokas A, Lolis CJ, Kateri M, Skevas A - BMC Ear Nose Throat Disord (2002)

Distribution (%) of ISSHL events per age decade for men, women as well as for all the patients.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC117786&req=5

Figure 1: Distribution (%) of ISSHL events per age decade for men, women as well as for all the patients.
Mentions: Distribution of the ISSHL events per age decade for men, women as well as for the total group of patients revealed an increment in the incidence of the disease starting from the third decade. Peak morbidity was found in the sixth and seventh decade of life (Figure 1).

Bottom Line: RESULTS: The results of the study could not indicate any seasonal distribution of the disease.The incidence of ISSHL could not be significantly correlated either to any distinct meteorological parameter or to any specific weather type.CONCLUSIONS: Meteorological conditions, such as those dominating in the Northwestern Greece, and/or their changes, have no proven effect on the incidence of ISSHL.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Otorhinolaryngology, University of Ioannina Medical School, Ioannina 45110, Greece. vdanielidis@hotmail.com

ABSTRACT
BACKGROUND: Climatic or meteorological condition changes have been implicated in the pathogenesis of Idiopathic Sudden Sensorineural Hearing Loss (ISSHL). We investigated the seasonal distribution of ISSHL and evaluated the influence of meteorological parameters (such as temperature, humidity, and atmospheric pressure), their variation and covariation on the incidence of the disease. METHODS: A total of 82 cases of ISSHL, admitted to our department over a five-year period, were enrolled in the study. Seasonal distribution of the disease was investigated by dividing the year in four seasons. Meteorological data included daily values of 13 distinct parameters recorded at the meteorological station of the University of Ioannina during this period. A relationship between each meteorological variable and the incidence of ISSHL was investigated by applying (chi2) test on data from 13 contingency tables as well as by using logistic regression and t-test approaches. In addition, the influence of different weather types on the incidence of ISSHL was investigated using Cluster Analysis in order to create eight clusters (weather types) characteristic for the prefecture of Ioannina. RESULTS: The results of the study could not indicate any seasonal distribution of the disease. The incidence of ISSHL could not be significantly correlated either to any distinct meteorological parameter or to any specific weather type. CONCLUSIONS: Meteorological conditions, such as those dominating in the Northwestern Greece, and/or their changes, have no proven effect on the incidence of ISSHL.

No MeSH data available.


Related in: MedlinePlus