Document Detail

Prognostic value of isolated nocturnal hypertension on ambulatory measurement in 8711 individuals from 10 populations.
MedLine Citation:
PMID:  20520575     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: We and other investigators previously reported that isolated nocturnal hypertension on ambulatory measurement (INH) clustered with cardiovascular risk factors and was associated with intermediate target organ damage. We investigated whether INH might also predict hard cardiovascular endpoints.
METHODS AND RESULTS: We monitored blood pressure (BP) throughout the day and followed health outcomes in 8711 individuals randomly recruited from 10 populations (mean age 54.8 years, 47.0% women). Of these, 577 untreated individuals had INH (daytime BP <135/85 mmHg and night-time BP ≥120/70 mmHg) and 994 untreated individuals had isolated daytime hypertension on ambulatory measurement (IDH; daytime BP ≥135/85 mmHg and night-time BP <120/70 mmHg). During follow-up (median 10.7 years), 1284 deaths (501 cardiovascular) occurred and 1109 participants experienced a fatal or nonfatal cardiovascular event. In multivariable-adjusted analyses, compared with normotension (n = 3837), INH was associated with a higher risk of total mortality (hazard ratio 1.29, P = 0.045) and all cardiovascular events (hazard ratio 1.38, P = 0.037). IDH was associated with increases in all cardiovascular events (hazard ratio 1.46, P = 0.0019) and cardiac endpoints (hazard ratio 1.53, P = 0.0061). Of 577 patients with INH, 457 were normotensive (<140/90 mmHg) on office BP measurement. Hazard ratios associated with INH with additional adjustment for office BP were 1.31 (P = 0.039) and 1.38 (P = 0.044) for total mortality and all cardiovascular events, respectively. After exclusion of patients with office hypertension, these hazard ratios were 1.17 (P = 0.31) and 1.48 (P = 0.034).
CONCLUSION: INH predicts cardiovascular outcome in patients who are normotensive on office or on ambulatory daytime BP measurement.
Hong-Qi Fan; Yan Li; Lutgarde Thijs; Tine W Hansen; José Boggia; Masahiro Kikuya; Kristina Björklund-Bodegård; Tom Richart; Takayoshi Ohkubo; Jørgen Jeppesen; Christian Torp-Pedersen; Eamon Dolan; Tatiana Kuznetsova; Katarzyna Stolarz-Skrzypek; Valérie Tikhonoff; Sofia Malyutina; Edoardo Casiglia; Yuri Nikitin; Lars Lind; Edgardo Sandoya; Kalina Kawecka-Jaszcz; Yutaka Imai; Hans Ibsen; Eoin O'Brien; Jiguang Wang; Jan A Staessen;
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Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hypertension     Volume:  28     ISSN:  1473-5598     ISO Abbreviation:  J. Hypertens.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-16     Completed Date:  2011-01-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  England    
Other Details:
Languages:  eng     Pagination:  2036-45     Citation Subset:  IM    
Center for Epidemiological Studies and Clinical Trials, and Center for Vascular Evaluations, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
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MeSH Terms
Blood Pressure / physiology
Blood Pressure Monitoring, Ambulatory*
Cardiovascular Diseases / epidemiology
Circadian Rhythm / physiology*
Endpoint Determination
Hypertension / complications,  diagnosis*,  physiopathology*
Middle Aged
Proportional Hazards Models
Risk Factors
Time Factors
Comment In:
J Hypertens. 2010 Oct;28(10):2000-2   [PMID:  20844366 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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