Age-race subgroup compared with renin profile as predictors of blood pressure response to antihypertensive therapy

被引:134
作者
Preston, RA
Materson, BJ
Reda, DJ
Williams, DW
Hamburger, RJ
Cushman, WC
Anderson, RJ
机构
[1] Univ Miami, Sch Med, Dept Med, Div Clin Pharmacol, Miami, FL 33136 USA
[2] Vet Affairs Edward Hines Jr Hosp, Cooperat Studies Program, Hines, IL USA
[3] Vet Affairs Med Ctr, Prevent Med Sect, Memphis, TN USA
来源
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION | 1998年 / 280卷 / 13期
关键词
D O I
10.1001/jama.280.13.1168
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Context.-Renin profiling and age-race subgroup may help select single-drug therapy for stage 1 and stage 2 hypertension. Objective.-To compare the plasma renin profiling and age-race subgroup methods as predictors of response to single-drug therapy in men with stage 1 and 2 hypertension as defined by the Joint National Committee an Prevention, Detection, Evaluation and Treatment of High Blood Pressure. Design.-The Veterans Affairs Cooperative Study on Single-Drug Therapy of Hypertension, a randomized controlled trial. Setting.-Fifteen Veterans Affairs hypertension centers. Patients.-A total of 1105 ambulatory men with entry diastolic blood pressure (DBP) of 95 to 109 mm Hg, of whom 1031 had valid plasma and urine samples for renin profiling. Interverations.-Randomization to 1 of 6 antihypertensive drugs: hydrochlorothiazide, atenolol, captopril, clonidine, diltiazem (sustained release), or prazosin, Main Outcome Measure.-Treatment response as assessed by percentage achieving goal DBP (<90 mm Hg) in response to a single drug that corresponded to patients' renin profile vs a single drug that corresponded to patients' age-race subgroup. Results.-Clonidine and diltiazem had consistent response rates regardless of renin profile (76%, 67%, and 80% for low, medium, and high renin, respectively, for clonidine and 83%, 82%, and 83%, respectively for diltiazem for patients with baseline DBP of 95-99 mm Hg). Hydrochlorothiazide and prazosin were best in low- and medium-renin profiles; captopril was best in medium- and high-renin profiles (low-, medium-, and high-renin response rates were 82%, 78%, and 14%, respectively, for hyorochlorothiazide; 88%, 67%, and 40%, respectively, for prazosin; and 51%, 83%, and 100%, respectively, for captopril for patients with baseline DBP of 95-99 mm Hg). Response rates for patients with baseline DBP of 95 to 99 mm Hg by age-race subgroup ranged from 70% for clonidine to 90% for prazosin for younger black men, from 50% for captopril to 97% for diltiazem for older black men, from 70% for hydrochlorothiazide to 92% for atenolol for younger white men, and from 84% for hydrochlorothiazide to 95% for diltiazem for older white men. Patients with a correct treatment for their renin profile but incorrect for age-race subgroup had a response rate of 58.7%; patients with an incorrect treatment for their renin profile but correct for age-race subgroup had a response rate of 63.1% (P=.30). After controlling for DBP and interactions with treatment group, age-race subgroup (P<.001) significantly predicted response to single-drug therapy, whereas renin profile was of borderline significance (P=.05). Conclusions.-In these men with stage 1 and stage 2 hypertension, therapeutic responses were consistent with baseline renin profile, but age-race subgroup was a better predictor of response.
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页码:1168 / 1172
页数:5
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