ISSN: 1223-1533

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DINAMICA FRECVENȚEI CARDIACE ȘI A TENSIUNII ARTERIALE LA PACIENȚII HIPERTENSIVI


Autori: V. Moga, Irena Kurcalte, Mariana Moga, Florin Vidu, Ciprian Rezus, Ioana Cotet, Rodica Avram



Primit pentru publicare: 10.02.2013
Recenzat: 15.04.2013



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Hypertension represents an important condition that affects the adult population worldwide; it contributes significantly to morbidity and mortality from stroke, heart failure, coronary heart disease and renal failure. Although the pathogenesis of most hypertension is unclear, imbalance of the autonomic nervous system has been implicated in its development. Heart rate variability (HRV) has emerged as a practical, noninvasive tool to quantitatively investigate cardiac autonomic imbalance in hypertension. The aim of our study was to highlight the complex heart rate modulation in hypertension and to analyze the behavior of RR intervals dynamics compared to normotensives subjects. Hypertensive patients have been monitored 24 hours using a combined ECG and ambulatory blood pressure monitoring system. ECG signals in sinus rhythm and blood pressure measurement have been recorded and analyzed. The most important aspect of this study is that even in the presence of early stages of essential hypertension, the autonomic tone mechanisms involved in the outcome and prognosis of those patients are detectable by noninvasive methods. Beside the now consecrated well known heart rate variability parameters, it seems that new parameters like HR (b/min) and SBP (mmHg) can offer data related to the involvement of the circadian rhythm in hypertension.


Cuvinte cheie (doar in lb. engleza):

hipertensiune, variabilitate cardiacă, ritm circadian

 


 

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Adresa de corespondenta:
Victor Moga, moga.victor@gmail.com