Colonisation with methicillin-resistant Staphylococcus aureus prior to renal transplantation is associated with...

Area of Science:

• Nephrology
• Infectious Diseases
• Transplantation Immunology

Background:

• Renal transplant recipients are immunocompromised, increasing susceptibility to infections like Methicillin-resistant Staphylococcus aureus (MRSA).
• MRSA colonization poses a significant threat to the success of renal allografts and patient survival.

Purpose of the Study:

• To determine the incidence of MRSA infection in renal transplant recipients.
• To evaluate the impact of MRSA colonization on renal allograft function and patient mortality.

Main Methods:

• A retrospective 1:2 matched case-control study was conducted on 1499 renal transplant recipients between 2007 and 2012.
• Graft and patient survival rates were analyzed at 1, 3, and 5 years post-transplantation.
• Multiple logistic regression analysis identified predictors of renal allograft failure.

Main Results:

• MRSA-positive recipients showed significantly lower 3- and 5-year graft survival rates (86% and 78%) compared to controls (100% and 93%, P < 0.05).
• While patient survival rates were high, MRSA colonization was an independent predictor of renal allograft failure at 5 years (HR: 4.6, P = 0.048).

Conclusions:

• Pre-operative MRSA colonization is associated with a substantially increased risk of long-term renal allograft failure.
• These findings underscore the importance of managing MRSA in kidney transplant candidates and recipients to improve graft outcomes.