Operation for congestive heart failure: transplantation, coronary artery bypass, and cardiomyoplasty

Area of Science:

• Cardiology
• Cardiac Surgery
• Transplantation Medicine

Background:

• Congestive heart failure (CHF) remains a significant clinical challenge.
• Limited donor availability restricts heart transplantation (HT) as a sole therapeutic option.
• Alternative surgical strategies are needed for CHF patients unsuitable for HT.

Purpose of the Study:

• To evaluate the efficacy and outcomes of three surgical approaches for congestive heart failure (CHF): heart transplantation (HT), coronary artery bypass grafting (CABG), and cardiomyoplasty (CMP).
• To compare the functional improvements, operative mortality, and survival rates across these distinct surgical interventions.

Main Methods:

• A cohort of 119 patients with CHF underwent surgical intervention: 61 received HT, 27 underwent CABG, and 31 had CMP.
• Preoperative and postoperative left ventricular ejection fraction (LVEF) was assessed.
• Operative mortality and 1-year survival rates were analyzed for each group.

Main Results:

• Left ventricular ejection fraction significantly improved in survivors of all three procedures (HT: 0.23 to 0.69; CABG: 0.31 to 0.39; CMP: 0.26 to 0.33).
• Operative mortality rates were 7% for HT, 4% for CABG, and 16% for CMP.
• One-year survival rates post-discharge were 94% for HT, 91% for CABG, and 65% for CMP.

Conclusions:

• Heart transplantation (HT), coronary artery bypass grafting (CABG), and cardiomyoplasty (CMP) offer viable surgical options for congestive heart failure (CHF) patients.
• While HT provides the most significant functional recovery, it necessitates lifelong immunosuppression.
• CABG and CMP improve function but require ongoing medical management for CHF, with varying survival outcomes.