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KMID : 0352720090330020155
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Journal of Ginseng Research
2009 Volume.33 No. 2 p.155 ~ p.159
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Beneficial Effect of Ginseng Extract on Sudden Sensorineural Hearing Loss
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Im Gi-Jung
Cinn Young-Gi
Chang Ji-Won
Choi June
Chae Sung-Won
Jung Hak-Hyun
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Abstract
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Sudden idiopathic sensorineural hearing loss is a disease that develops within several hours to several days. Its etiology has not yet been verified, but the disturbance of the circulation of blood in the inner ear, inner-ear hydrops, and viral infection are considered possible causes of the disease. This study was conducted to evaluate the effect of Panax ginseng extract, which is known to have a vasodilatory effect, on sudden sensorineural hearing loss. Sixty-nine patients suffering from sudden sensorineural hearing loss were admitted to Korea University Anam Hospital from March to December 2008. They were divided into the experimental (30 ears) and control (39 ears) groups. Ginseng extract (2700㎎/day, 4 weeks) was added to the therapeutic regimen in the experimental group. The effect of ginseng extract therapy was analyzed according to the factors relating to the prognosis. A considerable hearing improvement was documented in both groups (32.2 ㏈ in the experimental group and 25.8 ㏈ in the control group). However, there was little beneficial effect of ginseng extract on additional hearing improvement compared with control. The total recovery rate of the experimental group (80.0%) was better than that of the control group (58.9%), and the experimental group’s high-tone hearing gain at 3 ㎑ (29.7 ㏈) was better than that of the control group (21.7 ㏈). The results of the study suggest that the effects of ginseng therapy tend to be superior to those of the conventional therapy, but the difference between the two is not statistically significant. The hearing gains tend to be in the higher frequencies and may be due to the promotion of cellular differentiation from the supporting cells.
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KEYWORD
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ginseng extract, sudden sensorineural hearing loss
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