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Role of Platelet Parameters on Sudden Sensorineural Hearing Loss: A Case-Control Study in Iran.


ABSTRACT: Sudden sensorineural hearing loss (SSNHL) is a common otological disorder characterized by a hearing loss greater than 30 dB over three consecutive frequencies, in less than 72 hours. It has been established that platelet parameters, such as mean platelet volume, are associated with ischemic heart events, whose clinical manifestations are similar to those of SSNHL. Hence, we aimed to determine if the platelet count, mean platelet volume and platelet distribution width are related to the occurrence and severity of sudden sensorineural hearing loss. A case-control prospective study was conducted in a teaching hospital in Iran. One hundred-eight patients with SSNHL and an equal number of healthy, age- and sex-matched controls were enrolled in the study. Peripheral venous blood samples were collected from the subjects, and the platelet count, mean platelet volume and platelet distribution width were measured with an automated blood cell counter. Analysis of the audiometry and hematological test results using SPSS22 software showed no statistical correlation between the platelet parameters and the occurrence of SSNHL, but correlation coefficients showed a significant correlation between PDW and hearing loss severity in patients group. However, further investigation is required to unequivocally establish the absence of correlation between the platelet parameters and occurrence of SSNHL.

SUBMITTER: Mirvakili A 

PROVIDER: S-EPMC4734775 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Role of Platelet Parameters on Sudden Sensorineural Hearing Loss: A Case-Control Study in Iran.

Mirvakili Abbas A   Dadgarnia Mohammad Hossein MH   Baradaranfar Mohammad Hossein MH   Atighechi Saeid S   Zand Vahid V   Ansari Abdollah A  

PloS one 20160201 2


Sudden sensorineural hearing loss (SSNHL) is a common otological disorder characterized by a hearing loss greater than 30 dB over three consecutive frequencies, in less than 72 hours. It has been established that platelet parameters, such as mean platelet volume, are associated with ischemic heart events, whose clinical manifestations are similar to those of SSNHL. Hence, we aimed to determine if the platelet count, mean platelet volume and platelet distribution width are related to the occurren  ...[more]

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