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Liver transplantation and cardiac illness: Current evidences and future directions
1Department of Anesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
Insights
Liver transplantation is increasingly feasible for patients with cardiac illness, but careful management is crucial due to shared pathophysiology and potential complications. This review synthesizes literature to aid clinical decision-making in this complex patient group.
Area of Science:
- Hepatology
- Cardiology
- Transplantation Medicine
Background:
- Cardiac illness and chronic liver disease often coexist, complicating patient management.
- Cardiac surgery in advanced liver disease (Child-Pugh C) carries high perioperative risks.
- Liver transplantation itself poses significant cardiovascular challenges.
Purpose of the Study:
- To review the current literature on managing patients with end-stage liver disease and concurrent cardiac conditions.
- To provide a framework for clinical decision-making in this complex scenario.
- To identify gaps and guide future research in liver transplantation for cardiac patients.
Main Methods:
- Comprehensive literature search of published studies.
- Synthesis of information on pathophysiology, risks, and management strategies.
- Development of a potential management algorithm.
Main Results:
- Contraindications for liver transplantation are evolving, allowing more cardiac patients to be considered.
- Cardiovascular complications are a leading cause of adverse outcomes post-liver transplantation.
- Lack of randomized trials hinders consensus on optimal management.
Conclusions:
- Managing patients with end-stage liver disease and cardiac illness requires careful consideration of shared risks.
- A structured approach, informed by current literature, can aid clinical decision-making.
- Further research, particularly randomized clinical trials, is needed to establish definitive guidelines.
Abstract:
Contraindications to liver transplantation are gradually narrowing. Cardiac illness and chronic liver disease may manifest independently or may be superimposed on each other due to shared pathophysiology. Cardiac surgery involving the cardiopulmonary bypass in patients with Child-Pugh Class C liver disease is associated with a high risk of perioperative morbidity and mortality. Liver transplantation involves hemodynamic perturbations, volume shifts, coagulation abnormalities, electrolyte disturbances, and hypothermia, which may prove fatal in patients with cardiac illness depending upon the severity. Additionally, cardiovascular complications are the major cause of adverse postoperative outcomes after liver transplantation even in the absence of cardiac pathologies. Clinical decision-making has remained an unsettled issue in these clinical scenarios. The absence of randomized clinical studies has further crippled our endeavours for a consensus on the management of patients with end-stage liver disease with cardiac illness. This review seeks to address this complex clinical setting by gathering information from published literature. The management algorithm in this review may facilitate clinical decision making and augur future research.
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