Expanding the Donor Pool with Marfan Syndrome Kidney Donation

Kidney transplantation remains the gold standard treatment for patients suffering from end-stage renal disease (ESRD). However, a persistent shortage of deceased donor organs continues to limit patient access to this life-saving procedure. Marfan syndrome kidney donation represents a potential yet underutilized resource for expanding the donor pool. Historically, clinicians have hesitated to accept organs from donors with Marfan syndrome due to concerns regarding connective tissue fragility and vascular complications. Consequently, many viable kidneys are potentially discarded despite their functional integrity.

A recent clinical report highlights the success of two transplantations involving a 39-year-old male donor with Marfan syndrome. The donor had a history of aortic replacement but possessed healthy renal function prior to a fatal subarachnoid hemorrhage. Surgeons retrieved both kidneys and transplanted them into two male recipients. Specifically, the first recipient, aged 59, achieved immediate and stable graft function. The second recipient, aged 34, experienced a brief period of delayed graft function but subsequently reached satisfactory renal recovery. Therefore, these cases demonstrate that systemic connective tissue disorders do not necessarily preclude successful organ donation.

Clinical Feasibility of Marfan Syndrome Kidney Donation

The safety of using these organs depends largely on the absence of localized vascular damage. Furthermore, histological studies often show that the renal parenchyma in Marfan patients remains structurally sound despite the fibrillin-1 mutation. In addition, standard organ preservation protocols appear effective for these grafts. Clinicians must still perform a rigorous evaluation of the donor's renal arteries to ensure surgical safety during anastomosis. Moreover, intraoperative biopsies can provide additional reassurance regarding the quality of the tissue. Ultimately, adopting a more flexible approach toward donors with Marfan syndrome could significantly reduce wait times for patients on dialysis.

Frequently Asked Questions

Is the fibrillin-1 mutation a contraindication for kidney donation?

No, the mutation primarily affects connective tissue elasticity. While it causes systemic issues like aortic aneurysms, it does not typically impair the primary filtration function of the kidneys, making them suitable for many ESRD patients.

What are the primary surgical risks during the transplant?

The main concern involves vascular fragility. Surgeons must handle the renal arteries with extreme care during the anastomosis process to prevent tears or dissections in the donor vessel wall.

Do these recipients require special post-operative monitoring?

Recipients follow standard post-transplant monitoring protocols. However, doctors may use periodic vascular imaging to ensure the long-term integrity of the arterial connections, though complications remain rare in reported cases.

Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

Wicik O et al. Two Cases of Successful Kidney Transplantation From a 39-Year-Old Male Deceased Donor With Marfan Syndrome: A Case Series. Am J Case Rep. 2026 Mar 08. doi: 10.12659/AJCR.949545. PMID: 41795176.

Rodriguez-Silva F et al. Successful Kidney Transplant From a Donor With Marfan Syndrome: A Case Report. Transplant Proc. 2025 Jan-Feb;57(1):97-99. doi: 10.1016/j.transproceed.2024.11.017.

Farese S et al. Successful Kidney Transplantation from Donor with Marfan's Syndrome. Am J Transplant. 2006;6(8):1972-1974. doi: 10.1111/j.1600-6143.2006.01389.x.