Open Access24‐Hour and Nighttime Blood Pressures in Type 2 Diabetic Hypertensive Patients Following Morning or Evening Administration of Olmesartan
Author(s) -
Tofé Povedano Santiago,
García De La Villa Bernardo
Publication year - 2009
Publication title -
the journal of clinical hypertension
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 67
eISSN - 1751-7176
pISSN - 1524-6175
DOI - 10.1111/j.1751-7176.2009.00152.x
Subject(s) - medicine , bedtime , morning , dosing , olmesartan , evening , blood pressure , ambulatory blood pressure , albuminuria , microalbuminuria , urology , endocrinology , physics , astronomy
Ambulatory blood pressure monitoring (ABPM) allows determining of the nocturnal blood pressure fall (NBPF). An NBPF below 10% (nondipper pattern) has been related to increased cardiovascular risk, and it is a common finding in type 2 diabetic hypertensive patients. The authors evaluated the impact on 24‐hour blood pressure, NBPF, and albuminuria of olmesartan 40 mg, administered in a morning‐ vs a nocturnal‐based dosing scheme, in type 2 diabetic patients with newly diagnosed hypertension. Using a crossover design, 40 patients (42.1% men) received olmesartan 40 mg once daily at wake up or bedtime for 8 weeks. Patients underwent 24‐hour ABPM at baseline and at weeks 8 and 16, and albumin to creatinine ratio was measured at baseline and 8 weeks. Night systolic blood pressure (BP) ( P =.007) and mean BP ( P =.012) were significantly reduced following the bedtime dose, compared with morning dosing. Night BP fall (%) was significantly reduced by bedtime dosing, compared with morning dosing ( P =.0001). No differences were seen for urinary albumin excretion between both arms at week 8. Without affecting 24‐hour BP control, night dosing of olmesartan increases nocturnal BP fall significantly more than conventional morning dosing, increasing the number of dipper diabetic hypertensive patients.