台灣眩暈之流行病學與醫療資源使用

Epidemiology and Medical Resource Utilization of Vertigo in Taiwan

眩暈是國人求醫常見之原因，可藉由健保資料庫資料，來分析眩暈在台灣的流行病學與醫療資源使用情況。在2006年，台灣成人之眩暈盛行率為3.13%，女性為男性2倍，1年內再發生率37.7%，在冬天及春天發生者佔多數。追蹤這些病人1年，發現其中0.5%發生中風，比例明顯高於沒有眩暈的對照組；中風者男女比例相同，但皆隨著年紀風險增加，合併糖尿病、高血壓、高血脂、冠狀動脈疾病、及心室顫動者的風險較高，而高血壓風險達3倍。因眩暈而就診在2006年達527,807人，每次發作之就醫平均2次，處方藥物使用平均26.9天，息者多數在診所就診，就醫次數、藥物及住院天數，在不同醫院層級與不同專科治療皆有所差異。

Vertigo is one of the common reasons for adults visiting doctors in Taiwan, therefore, investigating its prevalence and the medical resource utilization is important to improve healthcare allocation. According to Taiwan National Health Insurance claim database in 2006, the prevalence of vertigo was 3.13% with 1:2 ratio of men to women. The attacks were more common in winter and spring, and 37.7% patients experienced recurrence. The incidence of stroke in these vertigo patients during 1-year follow-up period was 0.5%, which was statistically significantly higher than the control group. The case number ratio of men to women was 1:1. The risk factors included age, diabetes, hypertension, dyslipidemia, coronary artery disease, and atrial fibrillation, and hypertension was the most significant predictor of stroke (odds ratio 3.77). A total of 527,807 vertigo patient in 2006 experienced vertigo and 43.6% were cared at the primary care clinic level. On average, there were the mean of 2 visits and 26.7 days use of medication use per episode, which were differed by institutional level and by specialty of care.