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[Organ procurement in children. Surgical aspect]
Y Revillon1, D Jan, D Pellerin
1Clinique Chirurgicale Infantile, Hôpital des Enfants-Malades, Paris.
Insights
Pediatric organ procurement utilizes advanced surgical techniques for improved outcomes. A novel, sequential harvesting method enhances efficiency and organ preservation for heart, lung, and liver transplants.
Area of Science:
- Surgical Techniques
- Organ Transplantation
- Pediatric Medicine
Context:
- Pediatric organ donation requires precise surgical techniques for multiple organ procurement.
- Organ size matching is critical for pediatric heart, heart-lung, and liver transplantation.
- Existing methods involve extensive dissection and secondary organ preparation post-harvesting.
Purpose:
- To introduce a refined, sequential organ harvesting technique for pediatric multi-organ donors.
- To improve surgical precision and efficiency in pediatric organ procurement.
- To enhance organ preservation through optimized cooling and dissection protocols.
Summary:
- A novel three-step harvesting technique is detailed: abdominal spraying, thoracic block procurement (heart/heart-lung), and abdominal viscera harvesting.
- This method incorporates precooling and global cooling of abdominal organs before monoblock dissection.
- Specific steps include liver and duodeno-pancreatic block liberation, followed by kidney and intestinal procurement.
Impact:
- The new technique streamlines pediatric organ harvesting, potentially improving transplant success rates.
- Enhanced organ preservation is anticipated through improved cooling solutions and sequential dissection.
- This advancement aims to optimize the utilization of pediatric organs for transplantation.
Abstract:
Today, in every child in situation of organs donor, a multiple organ harvesting is performed which requires surgical techniques more precise, in order to improve the results. Heart, heart-lungs and liver transplantation represent in children, for volume reasons, situations where harvesting must be performed in a child matched for height with the recipient. Today a technique of unique harvesting took place of the initial techniques which required careful dissection of all organs, the preparation of organs being made secondarily, after refrigeration and harvesting. The first step is abdominal and sets up a device of abdominal spraying. The second step is the thoracic dissection, heart or cardio-pulmonary block harvesting being performed by the cardiac surgery team. Finally, the third step consists of the harvesting of the abdominal viscera. It is preceded by a precooling, begun during the period before thoracic dissection. It supposes a global cooling of the liver, kidneys, duodeno-pancreatic block and small bowel. Monoblock dissection then begins with the liberation of the liver and eventually of the duodeno-pancreatic block. After hepatectomy, both kidneys are harvested in monoblock. The intestine, itself, is harvested in last position. Progresses should occur, due to the improvement of the performances of the cooling solutions.