Heart and Vessels

, Volume 23, Issue 6, pp 403–408

Usefulness of rate regulation through continuous ventricular pacing in patients with drug-controlled slower atrial fibrillation and normal or depressed left ventricular systolic function

  • John Chiladakis
  • Nikolaos Koutsogiannis
  • Andreas Kalogeropoulos
  • Fani Zagli
  • Panagiotis Arvanitis
  • Dimitrios Alexopoulos
Original Article

DOI: 10.1007/s00380-008-1064-7

Cite this article as:
Chiladakis, J., Koutsogiannis, N., Kalogeropoulos, A. et al. Heart Vessels (2008) 23: 403. doi:10.1007/s00380-008-1064-7

Abstract

We studied 33 clinically stable patients with permanent atrial fibrillation (AF), implanted with a ventricular demand rate-responsive (VVIR) pacemaker or an automatic defibrillator, in order to evaluate whether continuous right ventricular apex pacing (VP) conferring rate regulation may be advantageous when compared with slower drug-controlled AF. Devices were chronically programmed at ventricular backup pacing. Patients were divided in two groups according to their normal (n = 17) or depressed (n = 16) left ventricular systolic function (LVSF). Ventricular function was studied by using tissue Doppler and color M-mode and echocardiography, as well as B-type natriuretic peptide (BNP) measurements. Baseline data during AF were compared to corresponding measurements following a 1-month pacing period after the devices were programmed at a base rate of 70 beats/min. In both groups, VP worsened some indexes of left and right ventricular function (P < 0.05) without significantly affecting cardiac output, left ventricular filling pressures and BNP (P = not significant). We conclude that VP should not be considered advantageous compared to slower AF.

Key words

Atrial fibrillationVentricular pacingVentricular function

Copyright information

© Springer Japan 2008

Authors and Affiliations

  • John Chiladakis
    • 1
    • 2
  • Nikolaos Koutsogiannis
    • 1
  • Andreas Kalogeropoulos
    • 1
  • Fani Zagli
    • 1
  • Panagiotis Arvanitis
    • 1
  • Dimitrios Alexopoulos
    • 1
  1. 1.Cardiology DepartmentUniversity Hospital of PatrasRion, PatrasGreece
  2. 2.PatrasGreece