Predicting Antibody Development After Simultaneous Pancreas-Kidney Transplantation
Author Information
Author(s): Raineri Francesca, Frischknecht Lukas, Nilsson Jakob, Rössler Fabian, Cavelti-Weder Claudia, von Moos Seraina, Schachtner Thomas
Primary Institution: University Hospital Zurich
Hypothesis
The study aims to assess the predictive power of PIRCHE-II scores for the development of de novo donor-specific antibodies (dnDSA) after simultaneous pancreas-kidney transplantation.
Conclusion
High PIRCHE-II scores for HLA-DQ are crucial for dnDSA development in both simultaneous pancreas-kidney transplant recipients and kidney transplant recipients.
Supporting Evidence
- SPKTRs exhibited an increased dnDSA incidence at 1 year post-transplant (11.2% vs. 3.1%).
- Preformed DSA and younger donor age were independent risk factors for developing dnDSA.
- PIRCHE-II scores for HLA-DQ correlated with dnDSA development upon univariate analysis.
- Multivariate analysis identified PIRCHE-II scores for HLA-DQ and ciclosporine use as independent predictors of dnDSA development.
Takeaway
This study looks at how certain scores can help predict if patients will develop harmful antibodies after getting a pancreas and kidney transplant.
Methodology
A retrospective study of 72 simultaneous pancreas-kidney transplant recipients and 383 kidney transplant recipients was conducted, evaluating dnDSA development and using the PIRCHE-II algorithm to calculate HLA epitope mismatches.
Potential Biases
The study relied on imputed high-resolution HLA alleles for PIRCHE-II calculation, which could introduce errors.
Limitations
The study is retrospective, has a small sample size, and is conducted at a single center, which may limit the generalizability of the findings.
Participant Demographics
The study included 72 simultaneous pancreas-kidney transplant recipients and 383 kidney transplant recipients, predominantly Caucasian.
Statistical Information
P-Value
0.011
Confidence Interval
HR 2.872, CI 1.053–7.831
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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