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Moderate morning rise in blood pressure has lowest risk of stroke but only in women.
Head, Geoffrey A; Sata, Yusuke; Imai, Yukata; Kikuya, Masahiro; Ohkubo, Takayoshi; Reid, Christopher M; McGrath, Barry M; Lukoshkova, Elena V.
Afiliación
  • Head GA; Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.
  • Sata Y; Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.
  • Imai Y; Tohoku Institute for Management of Blood Pressure, Sendai.
  • Kikuya M; Department of Hygiene and Public Health, Teikyo University, Tokyo, Japan.
  • Ohkubo T; Department of Hygiene and Public Health, Teikyo University, Tokyo, Japan.
  • Reid CM; Department of Epidemiology and Preventive Medicine, Centre of Cardiovascular Research & Education in Therapeutics, Monash University, Melbourne, Victoria.
  • McGrath BM; School of Public Health, Curtin University, Perth, Western Australia.
  • Lukoshkova EV; Department of Medicine, Monash University, Melbourne, Victoria, Australia.
J Hypertens ; 37(7): 1437-1447, 2019 07.
Article en En | MEDLINE | ID: mdl-31033728
BACKGROUND: The morning period which is recognized as the highest risk for cardiovascular events is associated with a surge in blood pressure (BP). However, it is unclear what aspect of this rise is important. AIM: To determine whether the rate of rise (RoR), the magnitude (day night difference) or the product [BP power (BPPower)] is associated with increased cardiovascular risk. METHODS: We developed a logistic equation method to fit individual 24-h patterns of BP to determine RoR, amplitude and BPPower using the ambulatory recordings from the Ohasama study including 564 men and 971 women (16.6 years follow-up). RESULTS: Men had a higher risk of cardiovascular events than women (24, 16%, P < 0.001). Age and night BP were strong linear risk predictors. In men sorting risk by quintiles of BPPower (adjusted for age, night BP, smoking status) revealed no clear linear or nonlinear pattern. However, in women BPPower had a U-shaped relationship with the lowest risk being the 2-3rd quintile for all cardiovascular events (Pquadratic = 0.01) including cardiovascular death (Pquadratic = 0.03) and nonfatal stroke (Pquadratic = 0.02). A similar but less clear trend was observed with the RoR but only stroke (infarct) reached significance (Pquadratic = 0.03) while sorting by range showed a U shaped pattern for combined cardiovascular events (Pquadratic = 0.04). CONCLUSION: These findings suggest that the morning BPPower is an important independent risk factor for predicting cardiovascular events and stroke but only in women with median levels having the lowest risk.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Presión Sanguínea / Accidente Cerebrovascular / Hipertensión Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: J Hypertens Año: 2019 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Presión Sanguínea / Accidente Cerebrovascular / Hipertensión Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: J Hypertens Año: 2019 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Países Bajos