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Primary disease effects and associations

S Katznelson, J McClelland, J M Cecka

    Clinical Transplants
    |January 1, 1994
    PubMed
    Summary
    This summary is machine-generated.

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    Kidney transplant graft survival varies by primary disease, with conditions like polycystic kidney disease (PC) showing better outcomes than hypertension (HTN). Black recipients with HTN had the lowest survival rates, highlighting racial disparities in transplant success.

    Area of Science:

    • Nephrology
    • Transplantation Immunology
    • Public Health

    Background:

    • Kidney transplant graft survival rates differ significantly by the fifth year post-transplant.
    • Primary disease etiology is a key determinant of long-term graft survival.
    • Racial disparities exist in kidney transplant outcomes.

    Purpose of the Study:

    • To analyze 5-year kidney transplant graft survival rates across various primary disease etiologies.
    • To investigate the impact of primary disease type and patient race on graft survival.
    • To identify factors influencing graft loss, including rejection and post-transplant complications.

    Main Methods:

    • Retrospective analysis of kidney transplant recipient data.
    • Comparison of graft survival rates stratified by primary disease (e.g., PC, ALP, IGA, HTN, NS, SLE, IDDM) and race.

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  • Statistical analysis to determine significant differences in graft survival and associated factors.

    • Main Results:

    • Polycystic kidney disease (PC), Alport syndrome (ALP), and IgA nephropathy (IGA) demonstrated the highest 5-year graft survival (68.5-72.8%).
    • Hypertension (HTN) and nephrosclerosis (NS) had the lowest 5-year graft survival (46.0-51.8%).
    • Black recipients, particularly those with HTN, exhibited the lowest long-term graft survival (44.4%).
    • Systemic diseases were associated with lower graft survival (55%) compared to cystic/inherited diseases (69%).
    • Systemic Lupus Erythematosus (SLE) recipients had high graft loss due to rejection (45.4%) and pretransplant sensitization (59.6%).
    • IDDM patients with DR3/DR4 alleles had better survival, especially White recipients with superior HLA matching.
    • Simultaneous Pancreas-Kidney (SPK) transplants showed better survival than Kidney-After-Transplant (KAT) procedures.

    Conclusions:

    • Primary disease etiology significantly impacts long-term kidney transplant success.
    • Racial disparities, especially in Black recipients with HTN, necessitate targeted interventions.
    • Understanding disease-specific outcomes and immunogenetic factors (like HLA matching in IDDM) is crucial for improving graft survival.