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Nurse-recorded clinic and ambulatory blood pressures correlate equally well with left ventricular mass and carotid intima-media thickness
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Internal Medicine. Östergötlands Läns Landsting, Centre for Medicine, Department of Endocrinology and Gastroenterology UHL.ORCID iD: 0000-0002-1680-1000
KI, Stockholm.
Universitetssjukhuset i Uppsala.
KI, Stockholm.
2005 (English)In: Journal of Internal Medicine, ISSN 0954-6820, Vol. 257, no 6, 514-522 p.Article in journal (Refereed) Published
Abstract [en]

Objective. To assess relationships between noninvasive ambulatory blood pressure (BP), clinic BP (mean value of three readings in the seated position measured by nurses), structural cardiac indices, intima-media thickness of the common carotid artery and several hormones. Design. Cross-sectional study of 75 subjects with hypertension and left ventricular hypertrophy (HTH) according to echocardiography, 35 subjects with hypertension and normal left ventricular dimensions (HT) and 23 normotensive subjects (NT). Results. We found an excellent correlation between mean 24-h ambulatory BP and clinic BP, the r-value for systolic BP being 0.82 and for diastolic levels 0.78 (both P < 0.0001). Clinic and ambulatory BP correlated equally well with left ventricular (LV) mass index (r-values between 0.55 and 0.64, all P < 0.0001) and to intima-media thickness of the carotid artery (r = 0.18-0.34, P < 0.01). The systolic white-coat effect (clinic BP - day-time BP) was higher in the HTH and HT compared with NT and was weakly correlated to LV mass index (r = 0.18, P = 0.04). Nondippers (mean arterial night/day BP ratio of >0.9) had higher brain (6.1 ± 7.5 pmol L-1 vs. 3.7 ± 3.2 pmol L-1, P = 0.01) and atrial (14 ± 3.4 pmol L-1 vs. 9.3 ± 5.4 pmol L-1, P = 0.04) natriuretic peptide levels, and also exhibited a lower ejection fraction (49 ± 8% vs. 57 ± 9%, P = 0.006), than dippers. Conclusion. Clinic BP recordings performed by nurses as three measurements 1 min apart provide excellent relationship to target organ damage. Nondippers exhibited signs of a more advanced hypertensive organ damage than dippers which corresponds well with the poor prognosis linked to this condition. © 2005 Blackwell Publishing Ltd.

Place, publisher, year, edition, pages
2005. Vol. 257, no 6, 514-522 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-33739DOI: 10.1111/j.1365-2796.2005.01489.xLocal ID: 19781OAI: diva2:254562
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-09-10

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Nyström, Fredrik
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Faculty of Health SciencesInternal MedicineDepartment of Endocrinology and Gastroenterology UHL
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