Abstract
Self-recording of the blood pressure by patients away from hospital or office ("home blood pressure") has been advocated as providing a better estimate of "true" blood pressure. The reliability of home blood-pressure recording has been assessed only by standard indirect methods which themselves are subject to considerable error and variability. The accuracy of self-recorded blood pressures was therefore assessed in 57 patients with essential hypertension by comparison with simultaneous measurements of clinic blood pressures and with intra-arterial blood pressures recorded at home and at hospital. Home systolic blood pressures showed good agreement with clinic and intra-arterial pressures, but home diastolic blood pressures overestimated intra-arterial pressures, as did clinic diastolic pressures. The clinic and home diastolic pressures showed good agreement. There was considerable variability in individual differences comparing the indirect and intra-arterial methods, though the two indirect methods showed much closer agreement. This study suggests that home blood pressures are as accurate as clinic readings but may be recorded more frequently and thus provide more useful information. Neither is likely to approximate the intra-arterial blood pressure.
Full text
PDF
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Armitage P., Fox W., Rose G. A., Tinker C. M. The variability of measurements of casual blood pressure. II. Survey experience. Clin Sci. 1966 Apr;30(2):337–344. [PubMed] [Google Scholar]
- Armitage P., Rose G. A. The variability of measurements of casual blood pressure. I. A laboratory study. Clin Sci. 1966 Apr;30(2):325–335. [PubMed] [Google Scholar]
- Bevan A. T., Honour A. J., Stott F. H. Direct arterial pressure recording in unrestricted man. Clin Sci. 1969 Apr;36(2):329–344. [PubMed] [Google Scholar]
- Cashman P. M., Stott F. D., Craig M. W. Hybrid system for fast data reduction of long-term blood-pressure recordings. Med Biol Eng Comput. 1979 Sep;17(5):629–635. doi: 10.1007/BF02440908. [DOI] [PubMed] [Google Scholar]
- JULIUS S., MCGINN N. F., HARBURG E., HOOBLER S. W. COMPARISON OF VARIOUS CLINICAL MEASUREMENTS OF BLOOD PRESSURE WITH THE SELF-DETERMINATION TECHNIQUE IN NORMOTENSIVE COLLEGE MALES. J Chronic Dis. 1964 May;17:391–396. doi: 10.1016/0021-9681(64)90099-2. [DOI] [PubMed] [Google Scholar]
- Kirkendall W. M., Burton A. C., Epstein F. H., Freis E. D. Recommendations for human blood pressure determination by sphygmomanometers. Circulation. 1967 Dec;36(6):980–988. doi: 10.1161/01.cir.36.6.980. [DOI] [PubMed] [Google Scholar]
- Laughlin K. D., Sherrard D. J., Fisher L. Comparison of clinic and home blood pressure levels in essential hypertension and variables associated with clinic-home differences. J Chronic Dis. 1980;33(4):197–206. doi: 10.1016/0021-9681(80)90064-8. [DOI] [PubMed] [Google Scholar]
- Millar-Craig M. W., Hawes D., Whittington J. New system for recording ambulatory blood pressure in man. Med Biol Eng Comput. 1978 Nov;16(6):727–731. doi: 10.1007/BF02442453. [DOI] [PubMed] [Google Scholar]
- ROBERTS L. N., SMILEY J. R., MANNING G. W. A comparison of direct and indirect blood-pressure determinations. Circulation. 1953 Aug;8(2):232–242. doi: 10.1161/01.cir.8.2.232. [DOI] [PubMed] [Google Scholar]
- Raftery E. B., Ward A. P. The indirect method of recording blood pressure. Cardiovasc Res. 1968 Apr;2(2):210–218. doi: 10.1093/cvr/2.2.210. [DOI] [PubMed] [Google Scholar]
- WILCOX J. Observer factors in the measurement of blood pressure. JAMA. 1962 Jan 6;179:53–54. doi: 10.1001/jama.1962.03050010000008f. [DOI] [PubMed] [Google Scholar]