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Cardiovascular outcome and home blood pressure in relation to silent myocardial ischemia in a clinical population: The J-HOP study.

ABSTRACT: Several guidelines recommend measuring home blood pressure (BP) and lowering blood pressure than ever before. But several studies reported that lowering diastolic blood pressure (DBP) increased the incidence of coronary artery disease (CAD). We analyzed 3605 individuals who underwent both home and office BP monitoring over 14 days and baseline Hs-cTnT measurement and identified follow-up data of the Japan Morning Surge-Home Blood Pressure (J-HOP) study who had a history of or risk factors for cardiovascular disease. During a mean follow-up period of 6.4 years (23 173 person-years), 114 coronary artery disease and 81 stroke events occurred. Elevated Hs-cTnT (≥0.014 ng/mL) was observed in 298 patients (8.3%). In the group with non-elevated Hs-cTnT (<0.014 ng/mL, n = 3307), an adjusted Cox hazard model showed that home systolic BP (SBP) was associated with a risk of stroke incidence (hazard ratio [HR] per 1 SD, 1.62; 95% confidence interval [CI], 1.29-2.03). This association was also observed in office SBP (HR per 1 SD, 1.43; 95%CI, 1.07-1.91). There was no association between office or home BP and CAD events in the group with non-elevated Hs-cTnT. In the group with elevated Hs-cTnT, an adjusted Cox hazard model showed that home DBP was associated with a risk of CAD incidence (HR per 1 SD, 0.54; 95%CI, 0.30-0.99). However, this association was not observed in office DBP. In patients with elevated Hs-cTnT, which is a marker of subclinical myocardial ischemia, excessive lowering of home DBP may be associated with a risk of incident CAD.

SUBMITTER: Shimizu H

PROVIDER: S-EPMC8029748 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Outcome-driven thresholds for home blood pressure measurement: international database of home blood pressure in relation to cardiovascular outcome.

Project description:The lack of outcome-driven operational thresholds limits the clinical application of home blood pressure (BP) measurement. Our objective was to determine an outcome-driven reference frame for home BP measurement. We measured home and clinic BP in 6470 participants (mean age, 59.3 years; 56.9% women; 22.4% on antihypertensive treatment) recruited in Ohasama, Japan (n=2520); Montevideo, Uruguay (n=399); Tsurugaya, Japan (n=811); Didima, Greece (n=665); and nationwide in Finland (n=2075). In multivariable-adjusted analyses of individual subject data, we determined home BP thresholds, which yielded 10-year cardiovascular risks similar to those associated with stages 1 (120/80 mm Hg) and 2 (130/85 mm Hg) prehypertension, and stages 1 (140/90 mm Hg) and 2 (160/100 mm Hg) hypertension on clinic measurement. During 8.3 years of follow-up (median), 716 cardiovascular end points, 294 cardiovascular deaths, 393 strokes, and 336 cardiac events occurred in the whole cohort; in untreated participants these numbers were 414, 158, 225, and 194, respectively. In the whole cohort, outcome-driven systolic/diastolic thresholds for the home BP corresponding with stages 1 and 2 prehypertension and stages 1 and 2 hypertension were 121.4/77.7, 127.4/79.9, 133.4/82.2, and 145.4/86.8 mm Hg; in 5018 untreated participants, these thresholds were 118.5/76.9, 125.2/79.7, 131.9/82.4, and 145.3/87.9 mm Hg, respectively. Rounded thresholds for stages 1 and 2 prehypertension and stages 1 and 2 hypertension amounted to 120/75, 125/80, 130/85, and 145/90 mm Hg, respectively. Population-based outcome-driven thresholds for home BP are slightly lower than those currently proposed in hypertension guidelines. Our current findings could inform guidelines and help clinicians in diagnosing and managing patients.

| S-EPMC3607331 | biostudies-literature

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| S-EPMC8678810 | biostudies-literature

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| S-EPMC8029661 | biostudies-literature

Sleep Blood Pressure Self-Measured at Home as a Novel Determinant of Organ Damage: Japan Morning Surge Home Blood Pressure (J-HOP) Study.

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| S-EPMC8031719 | biostudies-literature

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Project description:The relationship between lean and cardiovascular events has been shown to vary with age, but the relationship between age-related lean and cardiovascular events in Asia has not been established. We divided patients enrolled in the J-HOP (Japan Morning Surge-Home Blood Pressure) study with one or more cardiovascular disease risks into three groups based on their body mass index (BMI): lean (BMI < 21), normal-weight (21 ≤ BMI <27), and obese (BMI ≥ 27). We stratified the risk of cardiovascular events of lean and obesity compared to normal weight into the patients < 65 years old and those aged ≥ 65 years. A total of 286 cardiovascular disease events were observed during the follow-up period (73 ± 46 months). Regarding the relationship between BMI and cardiovascular disease risk, both lean and obesity were independent prognostic factors: lean: hazard ratio (HR) 1.43, 95% confidence interval (CI): 1.02-2.01, p = .040; obesity: HR 1.55, 95%CI: 1.13-2.12, p = .006. In patients < 65 years old, the risk of cardiovascular disease of the lean patients was lower than that of the normal-weight patients (HR 0.39, 95%CI: 0.12-1.29, p = .124) and the risk of obesity patients was significantly higher (HR 1.77, 95%CI: 1.08-2.92, p = .024). In the patients aged ≥ 65 years, lean was a significant independent factor of cardiovascular events compared to normal-weight (lean: HR 1.70, 95%CI: 1.18-2.47, p = .005). In conclusion, lean was an independent predictor of cardiovascular events in patients aged ≥ 65 years.

| S-EPMC8029821 | biostudies-literature

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Self-measured worksite blood pressure and its association with organ damage in working adults: Japan Morning Surge Home Blood Pressure (J-HOP) worksite study.

Project description:The effects of elevations in blood pressure (BP) on worksite stress as an out-of-office BP setting have been evaluated using ambulatory BP monitoring but not by self-measurement. Herein, we determined the profile of self-measured worksite BP in working adults and its association with organ damage in comparison with office BP and home BP measured by the same home BP monitoring device. A total of 103 prefectural government employees (age 45.3 ± 9.0 years, 77.7% male) self-measured their worksite BP at four timepoints (before starting work, before and after a lunch break, and before leaving the workplace) and home BP in the morning, evening, and nighttime (at 2, 3, and 4 a.m.) each day for 14 consecutive days. In the total group, the average worksite systolic BP (SBP) was significantly higher than the morning home SBP (129.1 ± 14.3 vs. 124.4 ± 16.4 mmHg, p = .026). No significant difference was observed among the four worksite SBP values. Although the average worksite BP was higher than the morning home BP in the study participants with office BP < 140/90 mmHg (SBP: 121.4 ± 9.4 vs. 115.1 ± 10.4 mmHg, p < .001, DBP: 76.0 ± 7.7 vs. 72.4 ± 8.4 mmHg, p = .013), this association was not observed in those with office BP ≥ 140/90 mmHg or those using antihypertensive medication. Worksite SBP was significantly correlated with the left ventricular mass index evaluated by echocardiography (r = 0.516, p < .0001). The self-measurement of worksite BP would be useful to unveil the risk of hypertension in working adults who show normal office and home BP.

| S-EPMC8029969 | biostudies-literature

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Project description:BACKGROUND:We hypothesized that the association between the dipping heart rate (HR) pattern and cardiovascular (CV) events differs according to the brain natriuretic peptide (BNP) level. METHODS:We examined a subgroup of 1,369 patients from the Japan Morning Surge Home Blood Pressure study; these were patients who had CV risk factors and had undergone ambulatory blood pressure (BP) monitoring. HR non-dipping status was defined as (awake HR - sleep HR)/awake HR <0.1, and high BNP was defined as ?35 pg/ml. We divided the patients into four groups according to their HR dipper status (dipping or non-dipping) and BNP level (normal or high). RESULTS:The mean follow-up period was 60 ± 30 months. The primary endpoints were fatal/nonfatal CV events (myocardial infarction, angina pectoris, stroke, hospitalization for heart failure, and aortic dissection). During the follow-up period, 23 patients (2.8%) in the dipper HR with normal BNP group, 8 patients (4.4%) in the non-dipper HR with normal BNP group, 24 patients (9.5%) in the dipper HR with high-BNP group, and 25 patients (21.0%) in the non-dipper HR with high-BNP group suffered primary endpoints (log rank 78.8, P < 0.001). Non-dipper HR was revealed as an independent predictor of CV events (hazard ratio, 2.13; 95% confidence interval, 1.35-3.36; P = 0.001) after adjusting for age, gender and smoking, dyslipidemia, diabetes mellitus, chronic kidney disease, BNP, non-dipper BP, 24-h HR, and 24-h systolic blood pressure. CONCLUSIONS:The combination of non-dipper HR and higher BNP was associated with a higher incidence of CV events.

| S-EPMC7188797 | biostudies-literature

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| S-EPMC4788568 | biostudies-literature

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Project description:This study investigated whether a mean blood pressure (BP) of <130/80 mm Hg is associated with further reduction in cardiovascular outcomes in treated hypertensive subjects with previous stroke.Subjects from the Korea National Health Insurance Service health examinee cohort diagnosed as having stroke and hypertension from January 1st, 2003 and December 31st, 2006 (N=2320) were grouped according to mean systolic (<130, 130-<140, and ?140 mm Hg) and diastolic (<80, 80-<90, and ?90 mm Hg) BP recorded during follow-up health examinations. All-cause and cardiovascular mortality over 11 years were compared. Compared with subjects with a systolic BP of ?140 mm Hg (N=736), subjects with a systolic BP of 130 to <140 mm Hg (N=793) had a significantly lower risk of all-cause death (hazard ratio [HR], 0.61; 95% confidence interval [CI], 0.47-0.79; P<0.001), cardiovascular mortality (HR, 0.39; 95% CI, 0.25-0.61; P<0.001), and fatal ischemic stroke (HR, 0.25; 95% CI, 0.10-0.63; P=0.003). Systolic BP of <130 mm Hg (N=791) was associated with lower risk of nonfatal hemorrhagic stroke. Subjects with a diastolic BP of 80 to <90 mm Hg (N=1100) had significantly lower risk of all-cause death (HR, 0.60, 95% CI, 0.45-0.80; P<0.001) and cardiovascular mortality (HR, 0.45; 95% CI, 0.30-0.70; P<0.001) than those with a diastolic BP of ?90 mm Hg (N=342). Diastolic BP of <80 mm Hg (N=878) was associated with reduced risk of nonfatal hemorrhagic stroke and further lowering of all-cause mortality and cardiovascular mortality.BP of <130/80 mm Hg was associated with improved outcomes in hypertensive subjects with previous stroke.

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