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Eur J Cardiothorac Surg 1998;14:54-58
© 1998 Elsevier Science NL

Ventricular remodelling and revascularization in severe left ventricular dysfunction¹

Department of Cardiac Surgery, Royal Infirmary, Alexandra Parade, Glasgow, Scotland, UK

Received 27 October 1997; received in revised form 30 March 1998; accepted 7 April 1998.

Corresponding author. Tel.: +44 141 2114300; fax: +44 141 5520987.

Objective: To evaluate the role of surgical revascularization in the presence of severe, global impairment of left ventricular function without discrete aneurysm formation or mitral regurgitation. The high mortality and morbidity associated with this group, together with the limited benefits tend to prompt referral for cardiac transplantation. Methods: Fifty-three patients initially referred for transplantation, in addition to coronary revascularization, underwent mitral annuloplasty (group A=23), free wall remodelling by endoaneurysmorrhaphy (group B=17) or mitral annuloplasty and free wall reconstruction (group C=13). The mean ages were 59, 56 and 57 years for groups A, B and C, respectively. Detailed assessment of pre- and post-operative physical and psychological status were carried out. Results: Follow-up was for a mean period of 22–26 months. All patients reported substantial improvement in quality of life, both physical and psychological parameters and in NYHA functional class status. Objective evidence of improvement in ejection fraction was seen in all three groups but especially in group A. There were five early deaths, four were due to inadequate revascularization due to the poor quality of target vessels. There were three late deaths and one patient that required transplantation. Conclusion: We conclude that patients with severe left ventricular dysfunction can be candidates for surgical revascularization and optimization of ventricular geometry with acceptable mortality. The importance of achieving complete revascularization is emphasized in this series.

Key Words: Poor ventricular function • Mitral valve repair • Ventriculoplasty

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