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餐后低血压(postprandial hypotension,PPH)是一种老年人常见的疾病,主要表现为餐后2h内收缩压下降≥20mm Hg(1mm Hg=0.133kPa),可引起嗜睡、黑蒙、跌倒、晕厥及心绞痛等心脑缺血症状。一项研究表明,PPH在住院老年患者中很常见[1],其危害性并不亚于高血压,它不仅可降低生活质量,还可增加心脑血管疾病的风险。1流行病学
Postprandial hypotension (PPH) is a common disease in the elderly and is mainly manifested as a drop in systolic BP ≥ 20 mm Hg (1 mm Hg = 0.133 kPa) within 2 h of postprandial, which can cause drowsiness, malaise, falls, syncope And angina pectoris and other symptoms of cerebral ischemia. One study showed that PPH is common in hospitalized elderly patients [1] and is as harmful as high blood pressure. It not only reduces the quality of life, but also increases the risk of cardiovascular and cerebrovascular diseases. Epidemiology