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Sökning: LAR1:gu > Dahlöf Björn 1953 > Bakris G. L.

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1.
  • Jamerson, K. A., et al. (författare)
  • Rationale and design of the avoiding cardiovascular events through combination therapy in patients living with systolic hypertension (ACCOMPLISH) trial: the first randomized controlled trial to compare the clinical outcome effects of first-line combination therapies in hypertension
  • 2004
  • Ingår i: Am J Hypertens. - 0895-7061. ; 17:9, s. 793-801
  • Tidskriftsartikel (refereegranskat)abstract
    • Reducing blood pressure (BP) to target levels is a major priority in preventing clinical events in hypertension. Typically this requires more than one drug, and recent guidelines on hypertension management therefore recommend starting with combination treatment in many patients. Diuretics have often been part of such therapy, usually paired with angiotensin converting enzyme (ACE) inhibitors or similar agents; but calcium channel blockers are also highly efficacious in reducing BP when combined with ACE inhibitors. In addition, these drug classes, separately and in combination, appear to have vasculoprotective properties. Because the primary goal of treating hypertension is to enhance survival and reduce cardiovascular outcomes, the Rationale and Design of Avoiding Cardiovascular events through COMbination therapy in Patients LIving with Systolic Hypertension (ACCOMPLISH) trial is designed as the first blinded and randomized study to prospectively compare the effects on these endpoints of two antihypertensive combinations, benazapril/hydrochlorothiazide (force titrated to 40/12.5 mg) and amlodipine besylate/benazapril (force titrated to 5/40 mg). The doses can be further titrated to 40/25 mg or 10/40 mg, and other classes of drugs can be added as needed for optimal BP control. The primary study endpoint is a composite of cardiovascular mortality and morbidity. The study will be performed in hypertensive patients (systolic BP > or = 160 mm Hg or currently on antihypertensive therapy) with risk factors for cardiovascular events (prior events, target organ damage, kidney disease, or diabetes). A total of 6300 subjects will be randomized to each group with the expectation that a total of 1642 primary endpoints will occur during a 5-year period, providing 90% power to detect the 15% relative reduction in events (alpha = 0.05) hypothesized to favor the amlodipine besylate/benazapril group. The ACCOMPLISH study will be performed in the United States and Europe. The first patient was randomizedduring 2003, and the trial should conclude in 2008.
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2.
  • Jamerson, K., et al. (författare)
  • Exceptional early blood pressure control rates: the ACCOMPLISH trial
  • 2007
  • Ingår i: Blood Press. - 0803-7051. ; 16:2, s. 80
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: ACCOMPLISH is a "new-generation" hypertension trial assessing single-tablet combination therapy for initial treatment of high-risk hypertension. At baseline, 97% of subjects were treated with anti-hypertensive medication at entry, but only 37% of participants had blood pressure (BP) control (<140/90 mmHg). Single-tablet combination therapy may improve control rates. METHODS: The mean BP change from baseline at the end of 6 months (the time point when subjects should have had all of the drug titrations to achieve BP control) was examined for 10,704 randomized patients. Within-group changes were examined using t-tests. Comparisons between subgroups were made using analysis of variance (ANOVA) and covariance (ANCOVA). RESULTS: Mean (+/-SD) BP fell from 145+/-18/80+/-11 mmHg at randomization to 132+/-16/74+/-10 mmHg. The 6-month BP control rate was 73% in the overall trial (78% in the US), 43% in diabetics and 40% in patients with renal disease. Of the patients uncontrolled, 61% were not on maximal medications, suggesting potential increases in control rates. Serious hypotensive events occurred in 1.8% of participants. CONCLUSION: ACCOMPLISH BP control rates are the highest of any multi-national trial to date. Whereas current guidelines recommend combination therapy only for stage 2 hypertension, in this trial it is expedient and safe for both stage 1 and 2 hypertension.
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3.
  • Weber, M. A., et al. (författare)
  • Baseline characteristics in the Avoiding Cardiovascular events through Combination therapy in Patients Living with Systolic Hypertension (ACCOMPLISH) trial: a hypertensive population at high cardiovascular risk
  • 2007
  • Ingår i: Blood Press. - 0803-7051. ; 16:1, s. 13-9
  • Tidskriftsartikel (refereegranskat)abstract
    • ACCOMPLISH is the first trial designed to compare the effects on major fatal and non-fatal cardiovascular endpoints of two forms of antihypertensive combination therapy: benazepril plus hydrochlorothiazide and amlodipine plus benazepril in hypertensive patients at high cardiovascular risk. Enrollment for this trial is now complete and this report describes the clinical characteristics of the study cohort. Patients with hypertension and a previous history of cardiovascular events, strokes or diabetes mellitus were randomized to double-blind treatment with either of the two combination regimens. The data in this report detail the clinical history and demographic characteristics in patients immediately prior to randomization to study drugs. A total of 11,454 patients were randomized. Mean age (+/-SD) was 68.4+/-6.9 years, 60% were men, and 1360 (12%) were African American. Mean body mass index (BMI) was 31.0+/-6.3 kg/m(2). At study entry, 46% of patients had a history of acute coronary syndromes, coronary artery bypass grafts or percutaneous coronary interventions; 13% had a history of stroke. A history of diabetes mellitus was reported in 6928 (60%) of patients. Mean blood pressure at baseline (on prior hypertension therapy) was 145.4/80.0 mmHg; only 38% of patients had a BP less than 140/90 mmHg. Overall, 97% of patients had received previous antihypertensive treatment (74% on at least two drugs); 53% were on oral diabetes therapy or insulin, 68% on anti-lipid therapy and 63% on anti-platelet agents. In summary, the ACCOMPLISH trial has recruited hypertensive patients at high risk of cardiovascular morbidity and mortality. It is noteworthy that the mean BMI of 31 in this cohort is clearly above the accepted diagnostic criterion of obesity and that 60% of patients are diabetic, possibly reflecting secular trends in clinical disease.
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4.
  • Weber, M. A., et al. (författare)
  • Effects of body size and hypertension treatments on cardiovascular event rates: subanalysis of the ACCOMPLISH randomised controlled trial
  • 2013
  • Ingår i: Lancet. - 1474-547X0140-6736. ; 381:9866, s. 537
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: In previous clinical trials in high-risk hypertensive patients, paradoxically higher cardiovascular event rates have been reported in patients of normal weight compared with obese individuals. As a prespecified analysis of the Avoiding Cardiovascular Events through Combination Therapy in Patients Living with Systolic Hypertension (ACCOMPLISH) trial, we aimed to investigate whether the type of hypertension treatment affects patients' cardiovascular outcomes according to their body size. METHODS: On the basis of body-mass index (BMI), we divided the full ACCOMPLISH cohort into obese (BMI >/=30, n=5709), overweight (>/=25 to <30, n=4157), or normal weight (<25, n=1616) categories. The ACCOMPLISH cohort had already been randomised to treatment with single-pill combinations of either benazepril and hydrochlorothiazide or benazepril and amlodipine. We compared event rates (adjusted for age, sex, diabetes, previous cardiovascular events, stroke, or chronic kidney disease) for the primary endpoint of cardiovascular death or non-fatal myocardial infarction or stroke. The analysis was by intention to treat. This trial is registered with ClinicalTrials.gov, number NCT00170950. FINDINGS: In patients allocated benazepril and hydrochlorothiazide, the primary endpoint (per 1000 patient-years) was 30.7 in normal weight, 21.9 in overweight, and 18.2 in obese patients (overall p=0.0034). However, in those allocated benazepril and amlodipine, the primary endpoint did not differ between the three BMI groups (18.2, 16.9, and 16.5, respectively; overall p=0.9721). In obese individuals, primary event rates were similar with both benazepril and hydrochlorothiazide and benazepril and amlodipine, but rates were significantly lower with benazepril and amlodipine in overweight patients (hazard ratio 0.76, 95% CI 0.59-0.94; p=0.0369) and those of normal weight (0.57, 0.39-0.84; p=0.0037). INTERPRETATION: Hypertension in normal weight and obese patients might be mediated by different mechanisms. Thiazide-based treatment gives less cardiovascular protection in normal weight than obese patients, but amlodipine-based therapy is equally effective across BMI subgroups and thus offers superior cardiovascular protection in non-obese hypertension. FUNDING: Novartis Pharmaceuticals.
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5.
  • Weber, M. A., et al. (författare)
  • Systolic blood pressure and cardiovascular outcomes during treatment of hypertension
  • 2013
  • Ingår i: The American journal of medicine. - 1555-71620002-9343. ; 126:6, s. 501-8
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Randomized controlled trials in hypertension demonstrate cardiovascular benefits when systolic blood pressures are reduced from higher values to<160 mm Hg. The value of lower targets has not been fully defined, although major guidelines recommend achieving systolic blood pressures of<140 mm Hg. This study was conducted to explore cardiovascular outcomes at differing on-treatment blood pressure levels. METHODS: On the basis of a prespecified plan to explore relationships between clinical outcomes and systolic blood pressures, the pooled cohort of high-risk hypertensive patients (N=10,705) in the Avoiding Cardiovascular Events through Combination Therapy in Patients Living with Systolic Hypertension trial were divided into 4 strata of systolic blood pressure levels: >140 mm Hg, 130 to <140 mm Hg, 120 to <130 mm Hg, and 110 to <120 mm Hg. The primary end point was cardiovascular death or nonfatal myocardial infarction or stroke. Outcomes comparisons between the blood pressure groups were by Cox regression. RESULTS: The mean patient age was 68 years, and the study duration was 35.7 months. The primary end point occurred in 171 of 3429 patients (5.0%) with systolic blood pressure in the 10 mm Hg range<140 and in 179 of 2354 patients (7.6%) with systolic blood pressure>/=140 mm Hg (hazard ratio [HR], 0.62; 95% CI, 0.50-0.77; P=.0001). Likewise, cardiovascular death decreased by 36% (P=.0147), total myocardial infarction (fatal+nonfatal) decreased by 37% (P=.0028), and stroke decreased by 47% (P=.0002). Cardiovascular event rates in those with systolic blood pressure<130 mm Hg were not different from those with systolic blood pressure<140 mm Hg. However, compared with systolic blood pressure<130 mm Hg, stroke incidence in those with systolic blood pressure<120 mm Hg was lower (HR, 0.60; 95% CI, 0.35-1.01; P=.0529), but myocardial function was higher (HR, 1.52; 95% CI, 1.00-2.29; P=.0437), as were composite coronary events (myocardial infarction, hospitalized angina, or sudden death) (HR, 1.63; 95% CI, 1.18-2.24; P=.0023). The renal end point of a sustained>50% increase in serum creatinine was significantly lower in those with systolic blood pressure<140 mm Hg than in any of the other higher or lower blood pressure ranges. CONCLUSIONS: In high-risk hypertensive patients, major cardiovascular events are significantly lower in those with systolic blood pressures<140 mm Hg and<130 mm Hg than in those with levels>140 mm Hg. There are stroke benefits at levels<120 mm Hg, but they are offset by increased coronary events. Renal function is best protected in the 130 to 139 mm Hg range.
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6.
  • Weir, M. R., et al. (författare)
  • Renal outcomes in hypertensive Black patients at high cardiovascular risk
  • 2012
  • Ingår i: Kidney international. - 1523-1755. ; 81:6, s. 568-76
  • Tidskriftsartikel (refereegranskat)abstract
    • The ACCOMPLISH trial (Avoiding Cardiovascular events through Combination therapy in Patients Living with Systolic Hypertension) was a 3-year multicenter, event-driven trial involving patients with high cardiovascular risk who were randomized in a double-blinded manner to benazepril plus either hydrochlorothiazide or amlodipine and titrated in parallel to reach recommended blood pressure goals. Of the 8125 participants in the United States, 1414 were of self-described Black ethnicity. The composite kidney disease end point, defined as a doubling in serum creatinine, end-stage renal disease, or death was not different between Black and non-Black patients, although the Blacks were significantly more likely to develop a greater than 50% increase in serum creatinine to a level above 2.6 mg/dl. We found important early differences in the estimated glomerular filtration rate (eGFR) due to acute hemodynamic effects, indicating that benazepril plus amlodipine was more effective in stabilizing eGFR compared to benazepril plus hydrochlorothiazide in non-Blacks. There was no difference in the mean eGFR loss in Blacks between therapies. Thus, benazepril coupled to amlodipine was a more effective antihypertensive treatment than when coupled to hydrochlorothiazide in non-Black patients to reduced kidney disease progression. Blacks have a modestly higher increased risk for more advanced increases in serum creatinine than non-Blacks.
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