Dataset Information

Association of Isolated Diastolic Hypertension as Defined by the 2017 ACC/AHA Blood Pressure Guideline With Incident Cardiovascular Outcomes.

ABSTRACT: Importance:In the 2017 American College of Cardiology (ACC)/American Heart Association (AHA) guideline, the definition of hypertension was lowered from a blood pressure (BP) of greater than or equal to 140/90 to greater than or equal to 130/80 mm Hg. The new diastolic BP threshold of 80 mm Hg was recommended based on expert opinion and changes the definition of isolated diastolic hypertension (IDH). Objective:To compare the prevalence of IDH in the United States, by 2017 ACC/AHA and 2003 Joint National Committee (JNC7) definitions, and to characterize cross-sectional and longitudinal associations of IDH with outcomes. Design, Setting, and Participants:Cross-sectional analyses of the National Health and Nutrition Examination Survey (NHANES 2013-2016) and longitudinal analyses of the Atherosclerosis Risk in Communities (ARIC) Study (baseline 1990-1992, with follow-up through December 31, 2017). Longitudinal results were validated in 2 external cohorts: (1) the NHANES III (1988-1994) and NHANES 1999-2014 and (2) the Give Us a Clue to Cancer and Heart Disease (CLUE) II cohort (baseline 1989). Exposures:IDH, by 2017 ACC/AHA (systolic BP <130 mm Hg, diastolic BP ?80 mm Hg) and by JNC7 (systolic BP <140 mm Hg, diastolic BP ?90 mm Hg) definitions. Main Outcomes and Measures:Weighted estimates for prevalence of IDH in US adults and prevalence of US adults recommended BP pharmacotherapy by the 2017 ACC/AHA guideline based solely on the presence of IDH. Risk of incident atherosclerotic cardiovascular disease (ASCVD), heart failure (HF), and chronic kidney disease (CKD) in the ARIC Study. Results:The study population included 9590 adults from the NHANES (mean [SD] baseline age, 49.6 [17.6] years; 5016 women [52.3%]) and 8703 adults from the ARIC Study (mean [SD] baseline age, 56.0 [5.6] years; 4977 women [57.2%]). The estimated prevalence of IDH in the NHANES was 6.5% by the 2017 ACC/AHA definition and 1.3% by the JNC7 definition (absolute difference, 5.2% [95% CI, 4.7%-5.7%]). Among those newly classified as having IDH, an estimated 0.6% (95% CI, 0.5%-0.6%) also met the guideline threshold for antihypertensive therapy. Compared with normotensive ARIC participants, IDH by the 2017 ACC/AHA definition was not significantly associated with incident ASCVD (n?=?1386 events; median follow-up, 25.2 years; hazard ratio [HR], 1.06 [95% CI, 0.89-1.26]), HF (n?=?1396 events; HR, 0.91 [95% CI, 0.76-1.09]), or CKD (n?=?2433 events; HR, 0.98 [95% CI, 0.65-1.11]). Results were also null for cardiovascular mortality in the 2 external cohorts (eg, HRs of IDH by the 2017 ACC/AHA definition were 1.17 [95% CI, 0.87-1.56] in the NHANES [n?=?1012 events] and 1.02 [95% CI, 0.92-1.14] in CLUE II [n?=?1497 events]). Conclusions and Relevance:In this analysis of US adults, the estimated prevalence of IDH was more common when defined by the 2017 ACC/AHA BP guideline compared with the JNC7 guideline. However, IDH was not significantly associated with increased risk for cardiovascular outcomes.

SUBMITTER: McEvoy JW

PROVIDER: S-EPMC6990938 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Association of Isolated Diastolic Hypertension as Defined by the 2017 ACC/AHA Blood Pressure Guideline With Incident Cardiovascular Outcomes.

McEvoy John W JW Daya Natalie N Rahman Faisal F Hoogeveen Ron C RC Blumenthal Roger S RS Shah Amil M AM Ballantyne Christie M CM Coresh Josef J Selvin Elizabeth E

JAMA 20200101 4

<h4>Importance</h4>In the 2017 American College of Cardiology (ACC)/American Heart Association (AHA) guideline, the definition of hypertension was lowered from a blood pressure (BP) of greater than or equal to 140/90 to greater than or equal to 130/80 mm Hg. The new diastolic BP threshold of 80 mm Hg was recommended based on expert opinion and changes the definition of isolated diastolic hypertension (IDH).<h4>Objective</h4>To compare the prevalence of IDH in the United States, by 2017 ACC/AHA a ...[more]

PMID: 31990314

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Project description:BACKGROUND:The 2017 American College of Cardiology/American Heart Association (ACC/AHA) blood pressure (BP) guideline provides updated recommendations for antihypertensive medication initiation and intensification. OBJECTIVES:Determine the risk for cardiovascular disease (CVD) events among adults recommended and not recommended antihypertensive medication initiation or intensification by the 2017 ACC/AHA BP guideline. METHODS:The authors analyzed data for black and white REGARDS (REasons for Geographic And Racial Differences in Stroke) study participants (age ?45 years). Systolic BP (SBP) and diastolic BP (DBP) were measured twice at baseline (2003 to 2007) and averaged. Participants not taking (n = 14,039) and taking (n = 15,179) antihypertensive medication were categorized according to their recommendations for antihypertensive medication initiation and intensification by the 2017 ACC/AHA guideline. Overall, 4,094 CVD events (stroke, coronary heart disease, and heart failure) occurred by December 31, 2014. RESULTS:Among participants not taking antihypertensive medication, 34.4% were recommended pharmacological antihypertensive treatment initiation. The CVD event rate per 1,000 person-years among participants recommended antihypertensive medication initiation with SBP/DBP ?140/90 mm Hg was 22.7 (95% confidence interval [CI]: 20.3 to 25.0). Among participants with SBP/DBP 130 to 139/80 to 89 mm Hg, the CVD event rate was 20.5 (95% CI: 18.5 to 22.6) and 3.4 (95% CI: 2.4 to 4.4) for those recommended and not recommended antihypertensive medication initiation, respectively. Among participants taking antihypertensive medication, 62.8% were recommended treatment intensification. The CVD event rate per 1,000 person-years among participants recommended treatment intensification was 33.6 (95% CI: 31.5 to 35.6) and 22.4 (95% CI: 20.8 to 23.9) for those with SBP/DBP ?140/90 mm Hg and 130 to 139/80 to 89 mm Hg, respectively. CONCLUSIONS:Implementing the 2017 ACC/AHA guideline would direct antihypertensive medication initiation and intensification to adults with high CVD risk.

Project description:BACKGROUND:The 2017 American College of Cardiology/American Heart Association (ACC/AHA) Guideline for the Prevention, Detection, Evaluation and Management of High Blood Pressure in Adults provides recommendations for the definition of hypertension, systolic and diastolic blood pressure (BP) thresholds for initiation of antihypertensive medication, and BP target goals. OBJECTIVES:This study sought to determine the prevalence of hypertension, implications of recommendations for antihypertensive medication, and prevalence of BP above the treatment goal among US adults using criteria from the 2017 ACC/AHA guideline and the Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC7). METHODS:The authors analyzed data from the 2011 to 2014 National Health and Nutrition Examination Survey (N = 9 623). BP was measured 3 times following a standardized protocol and averaged. Results were weighted to produce US population estimates. RESULTS:According to the 2017 ACC/AHA and JNC7 guidelines, the crude prevalence of hypertension among US adults was 45.6% (95% confidence interval [CI]: 43.6% to 47.6%) and 31.9% (95% CI: 30.1% to 33.7%), respectively, and antihypertensive medication was recommended for 36.2% (95% CI: 34.2% to 38.2%) and 34.3% (95% CI: 32.5% to 36.2%) of US adults, respectively. Nonpharmacological intervention is advised for the 9.4% of US adults with hypertension who are not recommended for antihypertensive medication according to the 2017 ACC/AHA guideline. Among US adults taking antihypertensive medication, 53.4% (95% CI: 49.9% to 56.8%) and 39.0% (95% CI: 36.4% to 41.6%) had BP above the treatment goal according to the 2017 ACC/AHA and JNC7 guidelines, respectively. CONCLUSIONS:Compared with the JNC7 guideline, the 2017 ACC/AHA guideline results in a substantial increase in the prevalence of hypertension, a small increase in the percentage of US adults recommended for antihypertensive medication, and more intensive BP lowering for many adults taking antihypertensive medication.

Project description:BACKGROUND:The 2017 American College of Cardiology/American Heart Association (ACC/AHA) Guideline for the Prevention, Detection, Evaluation and Management of High Blood Pressure in Adults provides recommendations for the definition of hypertension, systolic and diastolic blood pressure (BP) thresholds for initiation of antihypertensive medication, and BP target goals. OBJECTIVES:This study sought to determine the prevalence of hypertension, implications of recommendations for antihypertensive medication, and prevalence of BP above the treatment goal among U.S. adults using criteria from the 2017 ACC/AHA guideline and the Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC7). METHODS:The authors analyzed data from the 2011 to 2014 National Health and Nutrition Examination Survey (N = 9,623). BP was measured 3 times following a standardized protocol and averaged. Results were weighted to produce U.S. population estimates. RESULTS:According to the 2017 ACC/AHA and JNC7 guidelines, the crude prevalence of hypertension among U.S. adults was 45.6% (95% confidence interval [CI]: 43.6% to 47.6%) and 31.9% (95% CI: 30.1% to 33.7%), respectively, and antihypertensive medication was recommended for 36.2% (95% CI: 34.2% to 38.2%) and 34.3% (95% CI: 32.5% to 36.2%) of U.S. adults, respectively. Nonpharmacological intervention is advised for the 9.4% of U.S. adults with hypertension who are not recommended for antihypertensive medication according to the 2017 ACC/AHA guideline. Among U.S. adults taking antihypertensive medication, 53.4% (95% CI: 49.9% to 56.8%) and 39.0% (95% CI: 36.4% to 41.6%) had BP above the treatment goal according to the 2017 ACC/AHA and JNC7 guidelines, respectively. CONCLUSIONS:Compared with the JNC7 guideline, the 2017 ACC/AHA guideline results in a substantial increase in the prevalence of hypertension, a small increase in the percentage of U.S. adults recommended for antihypertensive medication, and more intensive BP lowering for many adults taking antihypertensive medication.

Project description:The 2017 American College of Cardiology/American Heart Association guideline defines hypertension as a blood pressure ≥130/80 mm Hg, whereas the 2018 European Society of Cardiology (ESC) and 2019 National Institute for Health and Care Excellence (NICE) guidelines use a ≥140/90 mm Hg threshold. Our objective was to study the associations between isolated diastolic hypertension (IDH), diagnosed using these 2 blood pressure thresholds, and cardiovascular disease (CVD) in a large cohort of UK adults. We analyzed data from UK Biobank, which enrolled participants between 2006 and 2010 with follow-up through March 2019. We excluded persons with systolic hypertension or baseline CVD. We defined incident CVD as a composite of nonfatal myocardial infarction, nonfatal stroke, or cardiovascular death. We used Cox regression to quantify associations between IDH and CVD, as well as the individual outcomes included in the composite outcome. We studied 151 831 participants with normal systolic blood pressure (mean age 54 years, 40% male). Overall, 24.5% had IDH by the American College of Cardiology/American Heart Association definition compared with 6% by the ESC/NICE definition. Compared with normal diastolic blood pressure, IDH by the American College of Cardiology/American Heart Association definition was not significantly associated with CVD risk (hazard ratio, 1.08 [95% CI, 0.98-1.18]) whereas IDH by the ESC/NICE definition was significantly associated with a modest increase in CVD (hazard ratio, 1.15 [95% CI, 1.04-1.29]). Similar results were found by sex and among participants not taking baseline antihypertensives. Furthermore, neither IDH definition was associated with the individual outcomes of nonfatal myocardial infarction or stroke. In conclusion, the proportion of UK Biobank participants with IDH was significantly higher by the American College of Cardiology/American Heart Association definition compared with the ESC/NICE definitions; however, only the ESC/NICE definition was statistically associated with increased CVD risk.

Project description:ImportanceThe 2017 American College of Cardiology/American Heart Association (ACC/AHA) Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults lowered the systolic and diastolic blood pressure thresholds for hypertension to 130 and 80 mm Hg, respectively. This represents a reduction of 10 mm Hg in both systolic and diastolic blood pressure levels used to define hypertension compared with previous guidelines, such as the Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC 7).ObjectivesTo estimate the prevalence of hypertension among adults aged 18 years or older in Nepal per the 2017 ACC/AHA guideline and to determine the absolute difference in hypertension prevalence comparing the 2017 ACC/AHA and JNC 7 guidelines.Design, setting, and participantsThe cross-sectional analysis used data from the population-based 2016 Nepal Demographic and Health Survey. Data were collected from June 2016 to January 2017 using a multistage stratified sampling procedure that was applied in urban and rural areas, using wards as the primary sampling units. Individuals aged 15 years or older from selected households were interviewed. The survey had an overall response rate of approximately 97%.Main outcomes and measuresThe primary outcome was the prevalence of hypertension. Blood pressure was measured 3 times for each participant with 5-minute intervals between. Hypertension was present if blood pressure was greater than or equal to 130/80 mm Hg for the 2017 ACC/AHA guideline, and greater than or equal to 140/90 mm Hg for the JNC 7 guideline.ResultsAmong 13 519 participants (median [interquartile range] age, 38 [26-53] years; 7821 [57.9%] female), 44.2% (95% CI, 43.4%-45.0%; n = 5977) had hypertension according to the 2017 ACC/AHA guideline compared with 21.2% (95% CI, 20.5%-21.9%; n = 2869) by the JNC 7 guideline. The new prevalence was associated with an absolute increase of 23.0% (95% CI, 22.3%-23.7%) from the JNC 7 guideline. When estimating the proportion of hypertension by background characteristics, the new 2017 ACC/AHA guideline definition increased the prevalence to 50% or greater for some categories, with the highest prevalence among those with a body mass index (calculated as weight in kilograms divided by height in meters squared) greater than or equal to 30 (71.6%; 95% CI, 67.7%-75.3%) and between 25 and 29.9 (62.1%; 95% CI, 60.1%-64.1%).Conclusions and relevanceFor adults in Nepal, the new 2017 ACC/AHA guideline reveals a greater estimated prevalence of hypertension compared with the JNC 7 guideline. Because of the public health significance of hypertension, higher prevalence rates confirm the importance of developing effective prevention and control methods in this country.

Dataset Information

Association of Isolated Diastolic Hypertension as Defined by the 2017 ACC/AHA Blood Pressure Guideline With Incident Cardiovascular Outcomes.

Publications

Association of Isolated Diastolic Hypertension as Defined by the 2017 ACC/AHA Blood Pressure Guideline With Incident Cardiovascular Outcomes.

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