PMID: 6171783Jan 1, 1981Paper

Chronic ventricular pacing with ventriculo-atrial conduction versus atrial pacing in three patients with symptomatic sinus bradycardia

Pacing and Clinical Electrophysiology : PACE
M I el Gamal, L M van Gelder

Abstract

Three patients with symptomatic sinus bradycardia due to sick sinus syndrome were treated with permanent ventricular pacing for periods ranging from 2.5 to 4 years. All three patients had ventriculo-atrial conduction on routine electrocardiography. Although ventricular pacing was effective, they complained of fatigue, lightheadedness, and near syncope. Hemodynamic studies revealed the presence of regular cannon waves in the right atrium as well as in the pulmonary artery wedge pressure curves. Temporary atrial pacing resulted in disappearance of the cannon waves and a significant rise in cardiac output (32-48%). After normal atrio-ventricular conduction was confirmed by rapid atrial stimulation and His bundle electrocardiography, the pacing mode was changed to permanent atrial pacing on demand. The effort tolerance of the patients markedly improved, and the previously mentioned symptoms disappeared. Control hemodynamic studies 9 to 12 months after implantation of the atrial demand pacemaker showed that the improvement in cardiac performance was maintained.

References

Jan 1, 1978·Pacing and Clinical Electrophysiology : PACE·S OgawaB V Berkovits
Jul 1, 1979·Pacing and Clinical Electrophysiology : PACE·M El Gamal, B van Gelder
Jul 1, 1978·The American Journal of Cardiology·C AlicandriV Morant
Aug 1, 1977·The American Journal of Cardiology·M KleinertF Wilhemi
Jul 1, 1967·British Heart Journal·B Lown

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Citations

Apr 1, 1991·Clinical Cardiology·H Schüller, J Brandt
Aug 1, 1992·British Heart Journal·C M Travill, R Sutton
Mar 1, 1990·Current Problems in Cardiology·S Furman, J Gross
Oct 1, 1984·The American Journal of Cardiology·B J GershD R Holmes
Mar 1, 1983·Pacing and Clinical Electrophysiology : PACE·A Ripart, G Pioger
May 1, 1983·Pacing and Clinical Electrophysiology : PACE·P A LevineJ P Seltzer
Jan 1, 1987·Pacing and Clinical Electrophysiology : PACE·A WirtzfeldK Stangl
Jan 1, 1985·Pacing and Clinical Electrophysiology : PACE·L M van Gelder, M I El Gamal

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