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Ventricular remodelling and revascularization in severe left ventricular dysfunction
V L Pathi1, T M Pillay, K Lall
1Department of Cardiac Surgery, Royal Infirmary, Glasgow, Scotland, UK.
Summary
Surgical revascularization can improve quality of life for patients with severe left ventricular dysfunction. Achieving complete revascularization is crucial for acceptable outcomes and reduced mortality in these complex cardiac cases.
Area of Science:
- Cardiovascular Surgery
- Cardiac Rehabilitation
Background:
- Severe left ventricular dysfunction often leads to transplantation referral.
- Limited benefits and high risks previously discouraged surgical intervention in these patients.
Purpose of the Study:
- To evaluate surgical revascularization in patients with severe global left ventricular dysfunction.
- To assess the impact of ventricular geometry optimization on outcomes.
Main Methods:
- Fifty-three patients underwent coronary revascularization with either mitral annuloplasty, free wall remodeling, or both.
- Pre- and post-operative physical and psychological status were assessed.
Main Results:
- All patients showed improved quality of life and NYHA functional class.
- Ejection fraction improved across all groups, particularly with mitral annuloplasty.
- Early mortality was linked to incomplete revascularization; late deaths and one transplant were recorded.
Conclusions:
- Surgical revascularization and ventricular geometry optimization are viable options for patients with severe left ventricular dysfunction.
- Complete revascularization is critical for minimizing mortality and morbidity in this patient cohort.