Flight R J, Snelgar D, Allan B
Health Promotion and Resource Unit, Northland Area Health Board, Omapere, Hokianga.
N Z Med J. 1989 Aug 9;102(873):411-4.
Sixty-five general practitioners throughout Northland agreed to establish and maintain hypertension registers for a three year trial period beginning in 1982. Opportunistic blood pressure screening was undertaken of all patients aged 20-69 attending practices for whatever reason. Patients with an average of six readings on at least three separate occasions which exceeded WHO criteria for hypertension (diastolic blood pressure greater than 95 mmHg and/or systolic blood pressure greater than 160 mmHg) were entered onto the registers as were patients already receiving antihypertensive drugs. In all 3703 patients were registered. The percentage exceeding WHO criteria fell from 49.4% to 38.8% for those followed up for twelve months and from 48.6% to 34.5% for those followed up for twenty-four months. The percentage with diastolic blood pressure less than 90 mmHg increased significantly for each follow up group and with length of follow up. Overall 8.2% at entry were managed without drugs, for those followed up for thirty months this fell to 6.2% with individual practice percentage varying from nil to over twenty. There appears scope to manage between 10-20% of hypertensives without drugs.
北地地区的65名全科医生同意在1982年开始的三年试验期内建立并维护高血压登记册。对所有20至69岁因任何原因就诊的患者进行机会性血压筛查。在至少三个不同场合平均有六次读数超过世界卫生组织高血压标准（舒张压大于95毫米汞柱和/或收缩压大于160毫米汞柱）的患者以及已经在接受降压药物治疗的患者被录入登记册。总共登记了3703名患者。随访12个月的患者中超过世界卫生组织标准的百分比从49.4%降至38.8%，随访24个月的患者中这一比例从48.6%降至34.5%。每个随访组的舒张压低于90毫米汞柱的百分比以及随着随访时间的延长均显著增加。总体而言，入院时8.2%的患者无需药物治疗，随访30个月的患者中这一比例降至6.2%，各诊所的百分比从零到超过20%不等。似乎有10%至20%的高血压患者无需药物治疗。
