Association of blunted nighttime blood pressure dipping with coronary artery stenosis in men.

Background: The aim of this work was to study the association between blunted nighttime dipping of blood pressure (BP) and coronary artery stenosis in men.

Methods: Sixty-eight men (aged 52 +/- 11 years) with coronary artery disease (CAD) defined as >/=70% diameter stenosis, and a control group of 68 men, matched for age and risk factors without angiographic CAD were studied by ambulatory blood pressure monitoring. Patients were defined as nondippers when the nighttime systolic and diastolic BP decrease was <10%.