FUNCTIONAL PARAMETERS OF BLOOD CIRCULATION IN PATIENTS DURING FIRST SIX MONTHS OF RIGHT VENTRICULAR PACING IN QTc INTERVAL DURATION CLASSES
Abstract
37 patients (22 men and 15 women) with implanted pacemakers (PM) in DDD/DDDR and VVI/VVIR modes were investigated. Systolic blood pressure (SBP) and diastolic blood pressure, QTc interval duration, QRS complex duration, heart rate, end-systolic and end-diastolic volume, left ventricular ejection fraction , the thickness of the posterior wall of the left ventricle and interventricular septum, left ventricular myocardial mass, anterior-posterior size of the left atrium, right atrium and right ventricular were evaluated before, during acute postoperative period (3-5 days) and six months after pacemaker implantation. Patients were divided into classes 1 (normal QTc (320-440 ms)) – 17 (46 %) of the patients) and class 2 (long QTc (> 440 ms)) – 20(54 %) patients) of QTc interval duration. For data processing were used standard statistical procedures by Microsoft Excel. PM implantation, increasing to a greater extent initially normal and less – an elongated QTc interval duration, to 6 months period leads them to the same level of values in both QTc interval duration classes. Increase of SBP and QRS complex duration in the class 2 demonstrates the need for more intensive monitoring and drug management in these patients.
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Published
2015-07-05
How to Cite
Maltseva, M. S., Volkov, D. E., Lopin, D. O., & Yabluchansky, M. I. (2015). FUNCTIONAL PARAMETERS OF BLOOD CIRCULATION IN PATIENTS DURING FIRST SIX MONTHS OF RIGHT VENTRICULAR PACING IN QTc INTERVAL DURATION CLASSES. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", (28), 17-22. Retrieved from https://periodicals.karazin.ua/medicine/article/view/2868
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Clinical research
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