Objective To investigate the relative risk factors of paroxysmal simple vertigo in elderly people. Methods Totally 52 hypertension patients with the only symptom of paroxysmal isolated vertigo were selected as trial group, and 47 hypertension patients with no vertigo as control group. Lipid tests including total cholesterol ( TC ), low - density lipoprotein - cholesterol ( LDL - C ), high density lipoprotein - cholesterol ( HDL - C ), and triglyceride ( TG ); and carotid artery ultrasonography were performed for all the patients. Results The age and the LDL - C level in the trial group were higher than those in the control group, and the HDL - C level was lower, with a significant difference ( P＜0.05 ) . The incidence of carotid atherosclerotic instable plaques in the trial group was significantly more than that in the control group ( P＜0.05 ) . Logistic regression analysis showed that the length of hypertension history in years and LDL - C increase were correlated with vertigo. Conclusion Age ,hypertension history, LDL - C increase, HDL - C decrease, and carotid plaque instabilitv are the risk factors of paroxysmal simple vertigo in the elderly people.%目的 探讨老年人阵发性单纯性眩晕的相关危险因素.方法 以52例老年阵发性单纯性眩晕患者为研究组,并设47例无阵发性眩晕的高血压患者为对照组,对研究组与对照组患者行血脂检查和颈动脉超声检测.血脂检查包括总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)、三酰甘油(TG).结果 研究组的年龄、LDL-C水平高于对照组,HDL-C水平低于对照组,差异有统计学意义(P＜0.05).研究组颈动脉不稳定斑者明显多于对照组,两组比较差异有统计学意义(P＜0.05).Logistic回归分析表明,高血压的年数和LDL-C升高与眩晕相关.结论 年龄、高血压年数、LDL-C升高、HDL-C降低及颈动脉不稳定斑块是老年人阵发性单纯性眩晕的危险因素.
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