Dataset Information

Hypertension telemanagement in blacks.

ABSTRACT: We propose evaluation of a multi-component home automated telemanagement system providing integrated support to both clinicians and patients in implementing hypertension treatment guidelines. In a randomized clinical study, 550 blacks with hypertension are followed for 18 months. The major components of the intervention and control groups are identical and are based on the current standard of care. For the purpose of this study, we define "standard of care" as the expected evidence-based care provided according to the current hypertension treatment guidelines. Although intervention and control groups are similar in terms of their care components, they differ in the mode of care delivery. For the control group the best attempt is made to deliver all components of a guideline-concordant care in a routine clinical environment whereas for the intervention group the routine clinical environment is enhanced with health information technology that assists clinicians and patients in working together in implementing treatment guidelines. The home automated telemanagement system guides patients in following their individualized treatment plans and helps care coordination team in monitoring the patient progress. The study design is aimed at addressing the main question of this trial: whether the addition of the information technology-enhanced care coordination in the routine primary care setting can improve delivery of evidence-based hypertension care in blacks. The outcome parameters include quality of life, medical care use, treatment compliance, psychosocial variables, and improvement in blood pressure control rates. The trial will provide insight on the potential impact of information technology-enhanced care coordination in blacks with poorly controlled hypertension.

SUBMITTER: Finkelstein J

PROVIDER: S-EPMC2776764 | biostudies-literature | 2009 May

REPOSITORIES: biostudies-literature

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Hypertension telemanagement in blacks.

Finkelstein Joseph J Cha Eunme E

Circulation. Cardiovascular quality and outcomes 20090501 3

We propose evaluation of a multi-component home automated telemanagement system providing integrated support to both clinicians and patients in implementing hypertension treatment guidelines. In a randomized clinical study, 550 blacks with hypertension are followed for 18 months. The major components of the intervention and control groups are identical and are based on the current standard of care. For the purpose of this study, we define "standard of care" as the expected evidence-based care pr ...[more]

PMID: 20031848

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Project description:BACKGROUND AND OBJECTIVES:The natural history of kidney disease among blacks who carry the APOL1 high-risk variants varies, with only a subgroup progressing to ESRD. We aimed to determine whether the APOL1 risk variants are associated with incident proteinuria in the context of hypertension-attributed CKD, and whether subsequent kidney function decline after the onset of proteinuria differs by APOL1 risk status. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS:Using Cox models, we studied the association between APOL1 risk status and incident proteinuria (defined as a doubling of urine protein-to-creatinine ratio to a level ?0.22 g/g creatinine) among African-American Study of Kidney Disease and Hypertension (AASK) trial participants with APOL1 genotyping and without proteinuria at baseline. RESULTS:Of the 480 participants in our study, 82 (17%) had the high-risk genotypes (2 alleles), and 254 (53%) developed proteinuria over a median follow-up of 6.8 years. At baseline, mean eGFR was lower in the APOL1 high-risk group compared with the low-risk group (0 or 1 allele; 49.6 versus 53.2 ml/min per 1.73 m2, respectively; P=0.02), but median proteinuria was similar (0.04 g/g creatinine for both groups; P=0.43). Individuals with the high-risk genotypes were 1.72-fold more likely to develop incident proteinuria compared with those with the low-risk genotypes (95% confidence interval, 1.27 to 2.32), independent of age, sex, ancestry, baseline eGFR, baseline systolic BP, and randomized treatment groups. Although eGFR declined faster after the onset of proteinuria, this rate did not differ significantly by APOL1 risk status. CONCLUSIONS:Among blacks with established moderate CKD, the APOL1 high-risk variants are associated with greater risk of incident proteinuria. After proteinuria onset, kidney function declines more rapidly but does not differ by APOL1 risk status. This suggests that factors that lead to proteinuria, beyond APOL1, may additionally drive CKD progression.

Project description:BackgroundAmong individuals without hypertension based on clinic blood pressure (BP), it is unclear who should be screened for masked hypertension, defined as having hypertension based on out-of-clinic BP. We hypothesized that individuals with a higher 10-year predicted atherosclerotic cardiovascular disease (ASCVD) risk, calculated using the pooled cohort risk equations, have a higher prevalence of masked hypertension.Methods and resultsWe analyzed data from the Jackson Heart Study-a population-based cohort of blacks-to determine the association of predicted ASCVD risk with masked hypertension. The sample included 644 participants, 40 to 79 years of age, with clinic systolic/diastolic BP <140/90 mm Hg, who completed ambulatory BP monitoring, were free of cardiovascular disease, and had data on factors needed to calculate ASCVD risk. Ten-year predicted ASCVD risk was calculated using the pooled cohort risk equations. Any masked hypertension was defined as masked daytime hypertension (mean daytime systolic/diastolic BP ≥135/85 mm Hg), masked nighttime hypertension (mean nighttime systolic/diastolic BP ≥120/70 mm Hg), or masked 24-hour hypertension (mean 24-hour systolic/diastolic BP ≥130/80 mm Hg). The prevalence of any masked hypertension was 54.0%. Compared with participants in the lowest (<5%) predicted ASCVD risk category, multivariable-adjusted prevalence ratios (95% confidence interval) for any masked hypertension were 1.36 (1.03-1.79), 1.62 (1.22-2.16), and 1.91 (1.47-2.48) for those with ASCVD risk of 5% to <7.5%, 7.5% to <10%, and ≥10%, respectively. The C statistic for discriminating between participants with versus without any masked hypertension was 0.681 (95% confidence interval, 0.640-0.723) for ASCVD risk and 0.703 (95% confidence interval, 0.663-0.744) for clinic systolic BP and diastolic BP.ConclusionsHigher ASCVD risk was associated with an increased prevalence of masked hypertension. Although the discrimination of ASCVD risk for masked hypertension was not superior to clinic BP, risk prediction equations may be useful for identifying the subgroup of individuals with both masked hypertension and high predicted ASCVD risk.

Dataset Information

Hypertension telemanagement in blacks.

Publications

Hypertension telemanagement in blacks.

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