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Accurate, reproducible measurement of blood pressure.

https://arctichealth.org/en/permalink/ahliterature228803
Source
CMAJ. 1990 Jul 1;143(1):19-24
Publication Type
Article
Date
Jul-1-1990
Author
N R Campbell
A. Chockalingam
J G Fodor
D W McKay
Author Affiliation
Division of Community Medicine, Faculty of Medicine, Memorial University of Newfoundland, St. John's.
Source
CMAJ. 1990 Jul 1;143(1):19-24
Date
Jul-1-1990
Language
English
Publication Type
Article
Keywords
Adult
Ambulatory Care - methods - standards
Blood Pressure Determination - instrumentation - methods
Canada
Child
Heart Auscultation - instrumentation - standards
Humans
Hypertension - diagnosis
Monitoring, Physiologic
Patient Education as Topic
Abstract
The diagnosis of mild hypertension and the treatment of hypertension require accurate measurement of blood pressure. Blood pressure readings are altered by various factors that influence the patient, the techniques used and the accuracy of the sphygmomanometer. The variability of readings can be reduced if informed patients prepare in advance by emptying their bladder and bowel, by avoiding over-the-counter vasoactive drugs the day of measurement and by avoiding exposure to cold, caffeine consumption, smoking and physical exertion within half an hour before measurement. The use of standardized techniques to measure blood pressure will help to avoid large systematic errors. Poor technique can account for differences in readings of more than 15 mm Hg and ultimately misdiagnosis. Most of the recommended procedures are simple and, when routinely incorporated into clinical practice, require little additional time. The equipment must be appropriate and in good condition. Physicians should have a suitable selection of cuff sizes readily available; the use of the correct cuff size is essential to minimize systematic errors in blood pressure measurement. Semiannual calibration of aneroid sphygmomanometers and annual inspection of mercury sphygmomanometers and blood pressure cuffs are recommended. We review the methods recommended for measuring blood pressure and discuss the factors known to produce large differences in blood pressure readings.
Notes
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PubMed ID
2192791 View in PubMed
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Self-measurement of blood pressure: recommendations of the Canadian Coalition for High Blood Pressure Prevention and Control.

https://arctichealth.org/en/permalink/ahliterature214042
Source
Can J Cardiol. 1995 Nov;11 Suppl H:5H-17H
Publication Type
Article
Date
Nov-1995
Author
N R Campbell
D. Abbott
M. Bass
N J Birkett
A. Chockalingam
G R Dagenais
K. Hogan
L. Ku
M. LeBel
D W McKay
Author Affiliation
Department of General Medicine, Faculty of Medicine, University of Calgary, Alberta.
Source
Can J Cardiol. 1995 Nov;11 Suppl H:5H-17H
Date
Nov-1995
Language
English
French
Publication Type
Article
Keywords
Blood Pressure Determination
Canada
Humans
Self Care
Abstract
To provide health care professionals with guidelines on the use of blood pressure self-measurement.
Recommendations were devised after consideration of expert reviews and guidelines, personal files, international standards documents, personal communication with investigators and the results of a MEDLINE search (1966-94) using the term 'blood pressure determination'. BENEFITS, HARMS, COSTS: Self-measurement of blood pressure can be used to detect white coat hypertension, monitor changes in blood pressure closely, more rapidly achieve desired blood pressure goals, increase adherence to antihypertensive therapy and improve patient self-reliance. However, self-measured blood pressure readings may be misleading because there is insufficient normative, prognostic and outcome data and because some patients may not take accurate measurements. The use of self-measurement of blood pressure has a relatively small direct cost and may result in an overall reduction in treatment costs.
Self-measured blood pressure readings can be a valuable supplement to clinic (or office) blood pressure readings. However, self-measurement is appropriate neither for patients who are physically or mentally incapable of accurate assessment and interpretation of readings nor for those who do not want to participate. Patients who self-monitor blood pressure require careful training in blood pressure measurement and instruction on the recording and interpretation of blood pressure readings. Advice to patients using monitoring equipment must take into account the needs and abilities of the patient. Although only a few electronic devices for the self-measurement of blood pressure have met recommended performance standards, their use may be more appropriate for some patients and the training requirements fewer than if manual devices are used.
The guidelines of several expert groups were examined in the preparation of these recommendations. The recommendations were presented at the World Conference on Hypertension Control in 1995 and were reviewed by the parent societies of the Canadian Coalition for High Blood Pressure Prevention and Control.
PubMed ID
7489545 View in PubMed
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