PMID: 8945074Nov 1, 1996Paper

Atrial arrhythmia following a biatrial approach to mitral valve surgery

Pacing and Clinical Electrophysiology : PACE
N E BernsteinS Colvin

Abstract

The biatrial approach to exposing the mitral valve during surgery has the potential for improving visualization of the valve with minimal cardiac manipulation. This procedure, involving a right atriotomy and an extended transseptal incision, may isolate the sinus node from its normal blood supply and autonomic innervation. Thirty-eight consecutive patients undergoing this procedure were examined. Twenty-two of these patients (58%) were admitted in normal sinus rhythm and 15 (40%) were in atrial fibrillation (AF) or atrial flutter. Of the 22 patients admitted in normal sinus rhythm, only 3 patients remained in this rhythm at discharge. Fourteen of the 22 patients were discharged in a slow, low atrial rhythm. All of the patients admitted in AF were discharged in AF. Of the 14 patients discharged in a low atrial rhythm, the rhythm persisted in eleven patients (80%) at a mean of 6-month follow-up. The routine use of this transseptal approach to mitral valve surgery needs further assessment in light of the predictable loss of the sinus mechanism.

References

Jan 1, 1991·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·O AlfieriE Caradonna
Nov 1, 1991·The Annals of Thoracic Surgery·G M GuiraudonR Kaushik
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Mar 1, 1965·Archives of Surgery·F O BOWMAN, J R MALM

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Citations

Feb 24, 2009·The Annals of Thoracic Surgery·Sherard LittleEugene H Blackstone

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