Self-measurement of blood pressure: accuracy, patient preparation for readings, technique and equipment

被引:24
作者
Campbell, NRC
Milkovich, L
Burgess, E
McKay, DW
机构
[1] Univ Calgary, Dept Med, Fac Med, Div Nephrol, Calgary, AB T2N 4N1, Canada
[2] Univ Calgary, Div Gen Internal Med, Dept Med, Calgary, AB T2N 4N1, Canada
[3] Univ Calgary, Div Gen Internal Med, Dept Pharmacol & Therapeut, Calgary, AB T2N 4N1, Canada
[4] Univ Calgary, Div Gen Internal Med, Cardiovasc Res Grp, Calgary, AB T2N 4N1, Canada
[5] Univ Calgary, Div Geriatr, Cardiovasc Res Grp, Calgary, AB T2N 4N1, Canada
[6] Univ Calgary, Div Geriatr, Dept Med, Calgary, AB T2N 4N1, Canada
[7] Univ Calgary, Div Geriatr, Dept Pharmacol & Therapeut, Calgary, AB T2N 4N1, Canada
[8] Mem Univ Newfoundland, Fac Med, Div Basic Med Sci, St John, NF, Canada
关键词
self-measurement; blood pressure; blood pressure measurement; hypertension; home measurement;
D O I
10.1097/00126097-200106000-00003
中图分类号
R6 [外科学];
学科分类号
1002 ; 100210 ;
摘要
Objective Self-measurement of blood pressure is commonly performed by those persons with hypertension and is advocated in many national hypertension guidelines. We examined accuracy of readings, patient knowledge, and preparation for readings, technique and equipment. Design The study was a prospective observational design. Sixty-nine hypertensive patients were recruited from a tertiary referral center and by newspaper advertisement. All patients had previously self-measured their blood pressure. The patients initially measured their blood pressure under direct supervision in a clinic using their usual preparation, technique and their own equipment. Then after a five-min rest, blood pressures were measured twice both by research nurse and the patient in an alternating sequence. The nurse used a standardized blood pressure measurement technique. Results Inadequate patient knowledge and performance of measurement technique and inaccurate equipment was common. The average initial patient systolic reading prior to the five-minute rest was higher than that of the trained nurse (9.1 +/- 13 mmHg systolic, p < 0.001 and 1.5 +/- 8.0 mmHg diastolic, p = 0.12). Almost half (42%) of the initial patient blood pressure readings differed in classification of hypertension/normotension from the nurse. The difference between the patient and nurse readings after the five-min rest was 3.8 +/- 11.8/ 1.1 +/- 6.8 mmHg. Conclusions Care must be taken in interpreting patient self-measured blood pressure unless there has been adequate training and assessment of patient and equipment accuracy. Studies of health care professionals reveal similar problems therefore widespread efforts to standardize blood pressure measurement are necessary. (C) 2001 Lippincott Williams & Wilkins.
引用
收藏
页码:133 / 138
页数:6
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