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Dual Chamber Pacing with a Single Lead System: Initial Clinical Results
Author(s) -
REY JEAN LUC,
GHELBAZOURI FOUAD,
TRIBOUILLOY CHRISTOPHE
Publication year - 1996
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1996.tb03223.x
Subject(s) - medicine , supine position , lead (geology) , diaphragmatic breathing , cardiology , single chamber , sitting , anesthesia , alternative medicine , pathology , geomorphology , geology
A new mode of biphasic pacing was used in 26 patients to assess the feasibility of atrial pacing by means of the floating atrial ring electrodes of a single lead VDD permanent pacing system. During implantation, atrial pacing was possible in 25 patients with a 1‐ms total pulse duration, a mean atrial threshold of 1.70 ± 0.60 V (range, 0.6–3.0), and a mean diaphragmatic threshold of 6.7 ± 2.5 V (range, 2.5–10.0). At 3 months, the atrial threshold had increased beyond 4.8 V in three patients. In the 22 other patients, the mean atrial threshold was 2.2 ± 0.5 V (range, 1.50–3.50) in the supine position and 2.5 ± 0.8 V (range, 1.5–4.8) in the sitting position. Stable atrial capture without diaphragmatic stimulation was achieved in 76% of patients.