International journal of cardiology · 2018
An operational definition of SHATS (Systemic Hemodynamic Atherosclerotic Syndrome): Role of arterial stiffness and blood pressure variability in elderly hypertensive subjects.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Scuteri Angelo, Rovella Valentina, Alunni Fegatelli Danilo, Tesauro Manfredi, Gabriele Marco, Di Daniele Nicola
Аннотация
BACKGROUND: CV risk exponentially increases as the number of damaged organs increases The Systemic Hemodynamic Atherosclerotic Syndrome (SHATS) represents a novel conceptualization of the CV continuum focusing on simultaneous multi-organ alteration. This is the first study operationally defining SHATS and aimed at identifying its determinants.
METHODS: Left Ventricular Hypertrophy (echocardiography), Common Carotid Artery plaque and increased thickness (ultrasound), and Chronic Kidney Disease (estimated Glomerular Filtration Rate) indexed selective target organ damage. SHATS was operationally defined as their simultaneous presence in a patient. PWV was measured by Sphygmocor® and BP variability by 24 h ABPM.
RESULTS: SHATS affected 19.9% of the 367 studied subjects. Subjects with SHATS had a similar prevalence in diabetes mellitus, but a greater prevalence of very stiff artery (84.9 vs 64.3%, p < 0.01) and use of antihypertensive medications. In the presence of similar office BP, SHATS was associated with higher 24 h SBP and lower 24 h DBP (a greater pulsatile pressure!), reduced nighttime SBP fall, and a twofold greater prevalence of reverse dipper status (48.2 vs 20.2%, p < 0.001). BMI (positive correlation) and DBP (negative correlation) were the only traditional CV risk factors significantly associated with the odds of having SHATS. Very stiff artery and BP variability were significant independent determinants of SHATS, with highly predictive accuracy.
CONCLUSION: SHATS, the simultaneous damage of multiple target organs, may easily operationally defined. Very stiff artery and BP variability represent key factors for SHATS. The present results support the hypothesis of SHATS as a systemic condition, needing further characterization.
METHODS: Left Ventricular Hypertrophy (echocardiography), Common Carotid Artery plaque and increased thickness (ultrasound), and Chronic Kidney Disease (estimated Glomerular Filtration Rate) indexed selective target organ damage. SHATS was operationally defined as their simultaneous presence in a patient. PWV was measured by Sphygmocor® and BP variability by 24 h ABPM.
RESULTS: SHATS affected 19.9% of the 367 studied subjects. Subjects with SHATS had a similar prevalence in diabetes mellitus, but a greater prevalence of very stiff artery (84.9 vs 64.3%, p < 0.01) and use of antihypertensive medications. In the presence of similar office BP, SHATS was associated with higher 24 h SBP and lower 24 h DBP (a greater pulsatile pressure!), reduced nighttime SBP fall, and a twofold greater prevalence of reverse dipper status (48.2 vs 20.2%, p < 0.001). BMI (positive correlation) and DBP (negative correlation) were the only traditional CV risk factors significantly associated with the odds of having SHATS. Very stiff artery and BP variability were significant independent determinants of SHATS, with highly predictive accuracy.
CONCLUSION: SHATS, the simultaneous damage of multiple target organs, may easily operationally defined. Very stiff artery and BP variability represent key factors for SHATS. The present results support the hypothesis of SHATS as a systemic condition, needing further characterization.