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Related Experiment Video

Updated: Jul 17, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

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Surgical coronary revascularization in severe left ventricular dysfunction.

Chee Fui Chong¹, Ali Akbar Fazuludeen, Christie Tan

¹Department of Cardiac, Thoracic and Vascular Surgery, National University Hospital, 5 Lower Kent Ridge Road, 119074 Singapore. chong_chee_fui@hotmail.com

Asian Cardiovascular & Thoracic Annals

|January 25, 2007

Summary

Surgical revascularization is a safe option for patients with severe left ventricular dysfunction, showing acceptable mortality and improved heart function post-surgery. This procedure offers benefits for high-risk cardiac patients.

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Left Coronary Artery Ligation: A Surgical Murine Model of Myocardial Infarction

Left Coronary Artery Ligation: A Surgical Murine Model of Myocardial Infarction

Published on: August 9, 2022

Area of Science:

Cardiology
Cardiac Surgery
Medical Research

Background:

Coronary artery disease (CAD) with severe left ventricular dysfunction presents significant surgical challenges.
Surgical revascularization is a common intervention for these complex cases.

Purpose of the Study:

To evaluate the safety and outcomes of surgical revascularization in high-risk patients with severe left ventricular dysfunction.

Main Methods:

A cohort of 50 patients with severe left ventricular dysfunction (mean ejection fraction 19.7%) underwent surgical revascularization between September 2002 and May 2004.
Data collected included patient demographics, EuroSCORE, surgical indications, graft numbers, and postoperative support requirements.
Morbidity, postoperative cardiac function improvement, and 30-day mortality were assessed.

Main Results:

The study included 50 high-risk patients (mean age 59) with indications including heart failure, angina, and left main stem disease.
Postoperative support was frequently required, with 34% needing intra-aortic balloon pumps and 96% inotropic support.
Morbidity included renal failure (10%) and fatal multiorgan failure (4%), with a 30-day hospital mortality of 8%.

Conclusions:

Surgical revascularization can be performed with acceptable hospital mortality in patients with severe left ventricular dysfunction.
A significant proportion of patients (61%) demonstrated improved left ventricular function post-surgery.
The findings support surgical revascularization as a viable option for carefully selected high-risk cardiac patients.