Related Experiment Videos
Lung and heart-lung transplantation.
1Department of Surgery, Memorial University of Newfoundland, Canada.
The Annals of Thoracic Surgery
|May 1, 1990
Summary
Lung transplantation, including single and double lung procedures, offers treatment for end-stage lung disease. Improving methods for pulmonary protection during ischemia is crucial for better long-term outcomes in heart-lung transplants.
Area of Science:
- Cardiothoracic Surgery
- Transplantation Medicine
- Pulmonary Medicine
Background:
- Unilateral lung transplantation is effective for end-stage pulmonary disease.
- Double-lung transplantation benefits patients with emphysema and cystic fibrosis.
- Heart-lung transplantation has advanced for Eisenmenger's syndrome and pulmonary vascular disease.
Purpose of the Study:
- To review the outcomes of lung and heart-lung transplantations.
- To identify challenges in heart-lung transplantation, particularly pulmonary ischemia.
- To explore potential solutions for improving graft survival.
Main Methods:
- Analysis of data from Toronto Lung Transplant Group (16 single, 13 double lung transplants).
- Review of global heart-lung transplantation data (over 350 procedures).
- Discussion of preservation techniques: normothermic vs. hypothermic cardiopulmonary preservation.
Main Results:
- Reported 7 perioperative and 2 late deaths in Toronto lung transplant patients.
- Current 2-year actuarial survival for heart-lung transplantation is approximately 62%.
- Long-term success of heart-lung transplantation lags behind cardiac transplantation alone.
Conclusions:
- Pulmonary protection against ischemia remains a significant challenge in heart-lung transplantation.
- Hypothermic preservation and free-radical scavenger therapy are areas of interest for reducing reperfusion injury.
- Further research is needed to enhance long-term survival rates in heart-lung transplant recipients.