ISSN 1016-5169 | E-ISSN 1308-4488
Archives of the Turkish Society of Cardiology
Comparative effects of nebivolol and valsartan on atrial electromechanical coupling in newly diagnosed stage 1 hypertensive patients [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2011; 39(7): 563-567 | DOI: 10.5543/tkda.2011.01585

Comparative effects of nebivolol and valsartan on atrial electromechanical coupling in newly diagnosed stage 1 hypertensive patients

Burak Altun1, Gürkan Acar2, Ahmet Akçay2, Abdullah Sökmen2, Hakan Kaya3, Sedat Köroğlu4
1Department of Cardiology, Adiyaman State Hospital, Adiyaman, Turkey
2Department of Cardiologykahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
3Department of Cardiology, besni State Hospital, Adiyaman, Turkey
4Department of Cardiology, Afsin State Hospital, Kahramanmaras, Turkey


OBJECTIVES
Hypertension is an important cardiovascular risk factor for the development of atrial fibrillation (AF). Increased atrial electromechanical coupling time interval measured by tissue Doppler is accepted as an important factor for prediction of AF development in hypertensive patients. The aim of this study was to compare the effects of valsartan, an angiotensin receptor blocker, and nebivolol, a beta-blocker, on atrial electromechanical coupling in newly diagnosed stage 1 hypertensive patients.

STUDY DESIGN
The study included 60 newly diagnosed stage 1 hypertensive patients with no other systemic disease. The patients were randomized to receive nebivolol 5 mg (30 patients; 21 women, 9 men; mean age 48.4±11.4 years) and valsartan 160 mg (30 patients; 21 women, 9 men; mean age 49.8±11.3 years). All the patients underwent tissue Doppler echocardiographic examination before and three months after treatment to compare the effects of the two drugs on atrial electromechanical coupling.

RESULTS
Baseline blood pressures, electrocardiographic and echocardiographic findings, and atrial electromechanical coupling were similar in both groups (p>0.05). Both drugs significantly reduced blood pressure after treatment, with similar efficacy (p>0.05). Atrial electromechanical coupling time intervals showed significant decreases in both groups.

CONCLUSION
Prolonged interatrial electromechanical time intervals in hypertensives are improved with antihypertensive treatment.

Keywords: Adrenergic beta-antagonists, angiotensin ii type 1 receptor blockers, antihypertensive agents/therapeutic use; atrial fibrillation/prevention & control; blood pressure/drug effects; echocardiography, Doppler; electrocardiography; hypertension

How to cite this article
Burak Altun, Gürkan Acar, Ahmet Akçay, Abdullah Sökmen, Hakan Kaya, Sedat Köroğlu. Comparative effects of nebivolol and valsartan on atrial electromechanical coupling in newly diagnosed stage 1 hypertensive patients. Turk Kardiyol Dern Ars. 2011; 39(7): 563-567

Corresponding Author: Burak Altun, Türkiye
Manuscript Language: Turkish


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