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目的 :探讨电离辐射对内耳前庭的影响。方法 :报道鼻咽癌 ( NPC)放疗致发作性位置性眩晕 ( BPPV)伴听力减退患者 3例。采用耳石微粒复位法 ( PRM)治疗 BPPV,针对听力减退给予丹参治疗。结果 :3例 BPPV,2例痊愈 ,1例显效 ;听力下降的 4耳语音频率平均提高 10 d B。结论 :BPPV可能与辐射所致的前庭损害有关 ;PRM是治疗 BPPV的一种有效方法
Objective: To investigate the effect of ionizing radiation on the vestibule of the inner ear. Methods: Three cases of patients with nasopharyngeal carcinoma (NPC) who suffered from epilepsy with positional positional vertigo (BPPV) and hearing loss were reported. BPPV was treated with otolith micropore reduction (PRM) and Salvia miltiorrhiza for hearing loss. Results: Three cases of BPPV recovered in 2 cases and one case was markedly effective. The average hearing loss frequency of 4 ears increased by 10 days. CONCLUSIONS: BPPV may be related to radiation-induced vestibular damage; PRM is an effective treatment for BPPV