Nocturnal hypertension in elderly high-risk hypertensive patients
Main Article Content
Abstract
A cross-sectional study was conducted on 96 patients aged ≥ 60 years old with high-risk hypertension (HTN) to determine the prevalence of nocturnal hypertension (NH) and investigate the clinical, paraclinical characteristics, and blood pressure abnormalities through 24-hour ambulatory blood pressure monitoring (ABPM). The prevalence of NH was 46.9%, with a mean age of 71.3 ± 8.6 years old, and 60% were female. Cardiovascular risk factors included dyslipidemia (82.2%), family history of HTN (51.1%), diabetes (51.1%), smoking (24.4%), and obesity (22.2%). Target organ damage was found in 60% of patients, including left ventricular hypertrophy (44.4%), elevated serum creatinine (11.1%), and proteinuria (24.4%). Compared to the non-NH group, the NH group had a lower rate of morning blood pressure surge (28.9% vs. 51%, p = 0.037) and no morning blood pressure dip (0% vs. 25.5%, p < 0.001). The prevalence of masked uncontrolled HTN was 11.1%, isolated systolic HTN was 33.3%, and the rate of blood pressure load was 20 – 50% and ≥ 50% in 20% and 37.8%, respectively. The prevalence of NH in elderly high-risk hypertensive patients is relatively high and associated with blood pressure abnormalities as detected by 24-hour ABPM.
Article Details
Keywords
ambulatory blood pressure monitoring, cardiovascular risk factors, elderly, nocturnal hypertension, target organ damage
References
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