Nocturnal blood pressure: the dark side of white-coat hypertension.
Journal
Journal of hypertension
ISSN: 1473-5598
Titre abrégé: J Hypertens
Pays: Netherlands
ID NLM: 8306882
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
pubmed:
11
7
2020
medline:
22
6
2021
entrez:
11
7
2020
Statut:
ppublish
Résumé
The impact of defining white-coat hypertension (WCH) and white-coat uncontrolled hypertension (WCUH) based on daytime and night-time thresholds of ambulatory blood pressure (ABP), instead of 24-h mean value, is unclear. We aimed to reclassify BP status according to both diurnal and nocturnal thresholds in a large sample of hypertensive patients seen in a specialist center and previously classified as WCH and WCUH based on 24-h BP values. A data-base of 7353 individual 24-h ABP monitoring (ABPM) from untreated and treated hypertensive individuals with office BP at least 140 mmHg and/or 90 mmHg was analysed and a subset of 3223 patients characterized by mean 24-h BP less than 130/80 mmHg (i.e. WCH and WCUH) was included in the present analysis. As many as 1281 patients were classified as WCH and 1942 as WCUH. Among them, elevated out-of-office BP according to night-time threshold (i.e. ≥120/70 mmHg) was found in about 30% of cases. In particular, prevalence rates of nocturnal hypertension were 26.9% in WCH and 31.8% in WCUH. Isolated daytime hypertension (i.e. ≥135/85 mmHg) was detected in an additional 4% of individuals. Classification of WCH and WCUH based on mean 24-h BP thresholds does not allow to detect an adverse BP phenotype, such as nocturnal hypertension in a large fraction of untreated and treated patients.
Identifiants
pubmed: 32649631
doi: 10.1097/HJH.0000000000002541
pii: 00004872-202012000-00012
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2404-2408Références
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