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Thiazide Use and Decreased Risk of Heart Failure in Nondiabetic Patients Receiving Intensive Blood Pressure Treatment.

ABSTRACT: The SPRINT (Systolic Blood Pressure Intervention Trial) study reported that intensive blood pressure (BP) treatment with a systolic BP target of <120 mm Hg decreased the risks of cardiovascular events. However, it remains unknown whether specific medications can further improve cardiovascular outcome in patients receiving intensive BP treatment. This study examined whether thiazide use improves cardiovascular outcome in patients receiving intensive BP treatment. We used data of nondiabetic patients receiving intensive BP treatment in the SPRINT study. The primary outcome was a composite end point of myocardial infarction, acute coronary syndrome, stroke, heart failure, or cardiovascular death. We analyzed hazard ratios for outcomes with 95% CIs in patients taking thiazides compared with those not taking thiazides using Cox proportional hazard models. This study included 2847 patients and the mean follow-up period was 3.3 years. The risk of primary outcome events was significantly lower in patients taking thiazides than in those not taking thiazides in both entire and propensity score-matched cohorts. Particularly, heart failure risk was significantly lower in those taking thiazides. These associations were also observed in various subgroups. In addition, thiazide use was associated with decreased risk of all-cause mortality. Hypokalemia occurred more frequently in patients taking thiazides than in those not taking thiazides. Thiazide use decreased risk of cardiovascular events, particularly heart failure, in nondiabetic high-risk patients receiving intensive BP treatment.

SUBMITTER: Tsujimoto T

PROVIDER: S-EPMC7340223 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Thiazide Use and Decreased Risk of Heart Failure in Nondiabetic Patients Receiving Intensive Blood Pressure Treatment.

Tsujimoto Tetsuro T Kajio Hiroshi H

Hypertension (Dallas, Tex. : 1979) 20200708 2

The SPRINT (Systolic Blood Pressure Intervention Trial) study reported that intensive blood pressure (BP) treatment with a systolic BP target of <120 mm Hg decreased the risks of cardiovascular events. However, it remains unknown whether specific medications can further improve cardiovascular outcome in patients receiving intensive BP treatment. This study examined whether thiazide use improves cardiovascular outcome in patients receiving intensive BP treatment. We used data of nondiabetic patie ...[more]

PMID: 32639892

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Project description:BackgroundThe use of opioids is associated with poor outcomes. Less is known about this association in patients with heart failure (HF) and whether it varies by the receipt of hospice care.MethodsOf the 7467 patients hospitalized for HF without previous opioid use, 124 received discharge opioids. We matched 123 of these patients with 123 not receiving opioids based on their propensity scores for opioid use, thus assembling a matched cohort of 246 patients balanced on 30 baseline characteristics (mean age, 76 years, 60% women, and 11% African American). We repeated the process in hospice (n = 155; 20 received opioids) and nonhospice (n = 7298; 104 received opioids) subgroups, thus assembling 2 matched cohorts of 22 and 208 patients, respectively. Hazard ratios (HRs) and 95% confidence intervals (CIs) associated with opioid use were estimated from matched cohorts.ResultsDuring 8.6 (median, 1.4) years of follow-up, all-cause mortality occurred in 80% and 68% of matched patients in the opioid and nonopioid groups, respectively (HR, 1.49; 95% CI, 1.11-1.99; P = 0.008). There was evidence of heterogeneity in this association between hospice and nonhospice patients (P for interaction, 0.027). Among matched hospice and nonhospice patients, HRs (95% CIs) for mortality were 6.37 (2.06-19.69; P = 0.001) and 1.42 (1.03-1.96; P = 0.035), respectively. HRs (95% CIs) for 30-day and 1-year mortality were 1.98 (1.06-3.70; P = 0.033) and 1.72 (1.18-2.49; P = 0.004), respectively. HRs (95% CIs) for all-cause, HF, and non-HF readmissions were 1.31 (0.97-1.76; P = 0.079), 1.03 (0.71-1.49; P = 0.866), and 1.75 (1.05-2.91; P = 0.031), respectively. Readmission associations were similar among matched nonhospice patients. There was no readmission among matched hospice patients receiving opioids.ConclusionsIn older patients with HF, opioid use is associated with a higher risk of mortality, which is greater in the hospice subgroup, and a higher risk of non-HF readmission in the nonhospice subgroup.

Project description:Chlorthalidone (CTD) is more potent than hydrochlorothiazide (HCTZ) in reducing blood pressure (BP) in hypertensive patients, though both are plagued with BP response variability. However, there is a void in the literature regarding the genetic determinants contributing to the variability observed in BP response to CTD. We performed a discovery genome wide association analysis of BP response post CTD treatment in African Americans (AA) and European Americans (EA) from the Pharmacogenomic Evaluation of Antihypertensive Responses-2 (PEAR-2) study and replication in an independent cohort of AA and EA treated with HCTZ from the PEAR study, followed by a race specific meta-analysis of the two studies. Successfully replicated SNPs were further validated in beta-blocker treated participants from PEAR-2 and PEAR for opposite direction of association. The replicated and validated signals were further evaluated by protein-protein interaction network analysis. An intronic SNP rs79237970 in the WDR92 (eQTL for PPP3R1) was significantly associated with better DBP response to CTD (p?=?5.76?×?10-6, ??=?-15.75) in the AA cohort. This SNP further replicated in PEAR (p?=?0.00046, ??=?-9.815) with a genome wide significant meta-analysis p-value of 8.49?×?10-9. This variant was further validated for opposite association in two ?-blockers treated cohorts from PEAR-2 metoprolol (p?=?9.9?×?10-3, ??=?7.47) and PEAR atenolol (p?=?0.04, ??=?4.36) for association with DBP. Studies have implicated WDR92 in coronary artery damage. PPP3R1 is the regulatory subunit of the calcineurin complex. Use of calcineurin inhibitors is associated with HTN. Studies have also shown polymorphisms in PPP3R1 to be associated with ventricular hypertrophy in AA hypertensive patients. Protein-protein interaction analysis further identified important hypertension related pathways such as inositol phosphate-mediated signaling and calcineurin-NFAT signaling cascade as important biological process associated with PPP3R1 which further strengthen the potential importance of this signal. These data collectively suggest that WDR92 and PPP3R1 are novel candidates that may help explain the genetic underpinnings of BP response of thiazide and thiazide-like diuretics and help identify the patients better suited for thiazide and thiazide-like diuretics compared to ?-blockers for improved BP management. This may further help advance personalized approaches to antihypertensive therapy.

Project description:ImportanceThe optimal blood pressure (BP) target remains debated in nondiabetic patients with chronic kidney disease (CKD).ObjectiveTo compare intensive BP control (<130/80 mm Hg) with standard BP control (<140/90 mm Hg) on major renal outcomes in patients with CKD without diabetes.Data sourcesSearches of PubMed, MEDLINE, Embase, and Cochrane Library for publications up to March 24, 2016.Study selectionRandomized clinical trials that compared an intensive vs a standard BP target in nondiabetic adults with CKD, reporting changes in glomerular filtration rate (GFR), doubling of serum creatinine level, 50% reduction in GFR, end-stage renal disease (ESRD), or all-cause mortality.Data extraction and synthesisRandom-effects meta-analyses for pooling effect measures. Meta-regression and subgroup analyses for exploring heterogeneity.Main outcomes and measuresDifferences in annual rate of change in GFR were expressed as mean differences with 95% CIs. Differences in doubling of serum creatinine or 50% reduction in GFR, ESRD, composite renal outcome, and all-cause mortality were expressed as risk ratios (RRs) with 95% CIs.ResultsWe identified 9 trials with 8127 patients and a median follow-up of 3.3 years. Compared with standard BP control, intensive BP control did not show a significant difference on the annual rate of change in GFR (mean difference, 0.07; 95% CI, -0.16 to 0.29 mL/min/1.73 m2/y), doubling of serum creatinine level or 50% reduction in GFR (RR, 0.99; 95% CI, 0.76-1.29), ESRD (RR, 0.96; 95% CI, 0.78-1.18), composite renal outcome (RR, 0.99; 95% CI, 0.81-1.21), or all-cause mortality (RR, 0.95; 95% CI, 0.66-1.37). Nonblacks and patients with higher levels of proteinuria showed a trend of lower risk of kidney disease progression with intensive BP control.Conclusions and relevanceTargeting BP below the current standard did not provide additional benefit for renal outcomes compared with standard treatment during a follow-up of 3.3 years in patients with CKD without diabetes. However, nonblack patients or those with higher levels of proteinuria might benefit from the intensive BP-lowering treatments.

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Thiazide Use and Decreased Risk of Heart Failure in Nondiabetic Patients Receiving Intensive Blood Pressure Treatment.

Publications

Thiazide Use and Decreased Risk of Heart Failure in Nondiabetic Patients Receiving Intensive Blood Pressure Treatment.

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