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Heterotopic Renal Autotransplantation in a Porcine Model: A Step-by-Step Protocol
Published on: February 21, 2016
Porcine dermal collagen graft in pediatric renal transplantation
S K Richards1, P A Lear, L Huskisson
1Department of Surgery, Southmead Hospital, Westbury-on-Trym, Bristol, UK. sarah.richards@bristol.ac.uk
Insights
Closing the infant abdominal wall after adult kidney transplants is difficult due to size differences. A porcine collagen graft successfully facilitated closure, preventing graft compromise and abdominal compartment syndrome in infant renal transplantation.
Area of Science:
- Pediatric surgery
- Transplant surgery
- Biomaterials science
Background:
- Infant renal transplantation of adult kidneys presents challenges due to size mismatch and limited abdominal volume.
- Donor-recipient size disparity can compromise graft function and lead to abdominal compartment syndrome post-transplant.
- Standard abdominal wall closure techniques may be inadequate for these complex cases.
Observation:
- The study addresses the surgical dilemma of closing the anterior abdominal wall in infants receiving adult cadaveric kidneys.
- Donor organ size and recipient abdominal cavity volume are critical factors influencing surgical outcomes.
- Postoperative edema can further increase intra-abdominal pressure, risking graft compromise.
Findings:
- A porcine collagen graft was utilized to facilitate anterior abdominal wall closure.
- This approach addressed the size discrepancy between the adult donor kidney and the infant recipient.
- The use of the graft aided in managing abdominal wall tension and preventing complications.
Implications:
- The porcine collagen graft offers a viable solution for abdominal wall closure in infant renal transplantation.
- This technique may improve outcomes by mitigating risks associated with size disparity and abdominal compartment syndrome.
- Further research could explore the long-term efficacy and safety of biomaterial grafts in pediatric transplantation.
Abstract:
Successful closure of the anterior abdominal wall in infants following renal transplantation of adult organs may present a challenging dilemma to the transplant surgeon. Restricted volume of the recipient abdominal cavity and size discrepancy of donor adult kidney may lead to graft compromise. Pressure on the graft may be exacerbated further in the postoperative period by oedema that may lead to abdominal compartment syndrome. Donor/recipient size disparity remains the major obstacle in infant renal transplantation. We describe the use of a porcine collagen graft to facilitate closure of the abdominal wall following intra-peritoneal transplantation of an adult cadaveric kidney.
