[Central blood pressure and vascular damage]

Area of Science:

• Cardiovascular Medicine
• Hypertension Research
• Vascular Biology

Background:

• Hypertension is a major risk factor for vascular organ damage (VOD).
• Assessing the relationship between different blood pressure (BP) measurements and VOD is crucial for risk stratification.
• Central blood pressure (CBP) is proposed as a better indicator of cardiovascular risk than peripheral BP.

Purpose of the Study:

• To evaluate the association between central blood pressure (CBP) and vascular organ damage (VOD).
• To compare the predictive value of CBP, clinical BP, and 24-hour ambulatory BP (BP24h) for VOD.

Main Methods:

• Cross-sectional study of 393 never-treated hypertensive patients.
• Measurements included clinical BP, 24-hour ambulatory BP (BP24h), and central BP (CBP).
• Vascular organ damage (VOD) assessed via albumin/creatinine ratio (ACR), pulse pressure velocity, and left ventricular mass index (LVMI).

Main Results:

• Patients with VOD exhibited higher BP, BP24h, and CBP values.
• Systolic BP24h demonstrated a stronger linear correlation with CBP and LVMI than peripheral BP.
• In multivariate analysis, systolic BP24h was the strongest predictor of VOD (OR: 3.4).

Conclusions:

• Central blood pressure (CBP) does not show a stronger correlation with vascular organ damage (VOD) than peripheral BP measurements.
• Twenty-four-hour ambulatory blood pressure (BP24h) is the most effective BP measurement for predicting VOD in hypertensive patients.