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[Pre- and postoperative ventricular arrhythmia in mitral valve insufficiency]
E Viguier1, J P Delahaye, G de Gevigney
1Service de cardiologie, hôpital Louis-Pradel, Lyon.
Archives Des Maladies Du Coeur Et Des Vaisseaux
|April 1, 1994
Summary
Ventricular arrhythmias are common in mitral regurgitation patients but do not impact surgical outcomes when left ventricular function is good. This study followed 79 patients undergoing mitral valve surgery.
Area of Science:
- Cardiology
- Cardiac Surgery
- Electrophysiology
Context:
- Surgical mitral regurgitation necessitates understanding associated risks.
- Ventricular arrhythmias are a potential complication.
- Assessing their impact on prognosis is crucial for patient management.
Purpose:
- To determine the prevalence and prognostic significance of ventricular arrhythmias in patients undergoing mitral regurgitation surgery.
- To evaluate changes in arrhythmias before and after mitral valvuloplasty or valve replacement.
Summary:
- A prospective study in 14 French centers included 79 patients with mitral regurgitation undergoing surgery.
- Preoperative complex ventricular arrhythmias (Lown grade ≥4) were present in 28% of patients, more frequent in dystrophic disease.
- Arrhythmia prevalence remained similar post-surgery, with no difference between valvuloplasty and valve replacement; no correlation with poor left ventricular ejection fraction was found.
Impact:
- Ventricular arrhythmias do not appear to influence early or 6-month postoperative prognosis in mitral regurgitation patients with preserved left ventricular function.
- Findings suggest that focusing on ventricular function is key for surgical risk assessment.
- This research aids in refining patient selection and postoperative monitoring strategies.