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在全部高血压病人中,约0.5%是由于嗜铬细胞瘤引起的,而且多见于青壮年(20~50岁)。嗜铬细胞瘤可间歇或持续地释放大量的儿茶酚胺,其主要成分是肾上腺素和去甲肾上腺素,因此患者尿中儿茶酚胺量也显著增高。据统计,嗜铬细胞瘤患者约26.4%有阵发性高血压,60.5%有持续性高血压,其余症状欠典型。对疑有嗜铬细胞瘤的高血压患者,应做尿儿茶酚胺的测定。
About 0.5% of all hypertensive patients are caused by pheochromocytoma and are more common in young adults (20-50 years old). Pheochromocytoma can intermittently or continuously release a large amount of catecholamines, the main components of which are epinephrine and norepinephrine, so the urine catecholamine content in patients is also significantly higher. According to statistics, about 26.4% of patients with pheochromocytoma have paroxysmal hypertension, 60.5% have persistent hypertension, and the remaining symptoms are less typical. Urinary catecholamines should be measured in hypertensive patients suspected of pheochromocytoma.