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Four-Year Analyses of Renal Graft Biopsies: A Single-Center Pathology Experience.

Four-Year Analyses of Renal Graft Biopsies: A Single-Center Pathology Experience.
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Canpolat T, Ozdemir BH, Torun D, Caliskan K, Haberal M,


Canpolat T, Ozdemir BH, Torun D, Caliskan K, Haberal M, (click to view)

Canpolat T, Ozdemir BH, Torun D, Caliskan K, Haberal M,

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Experimental and clinical transplantation : official journal of the Middle East Society for Organ Transplantation 2016 04 2015(2) 171-178 doi 10.6002/ect.2015.0264
Abstract
OBJECTIVES
Kidney transplant is the best treatment for patients with end-stage renal disease. Long-term graft survival depends on the protection of renal allograft function. Renal allograft biopsy is the most important method for examining an allograft function. Biopsy provides critical information, enabling diagnosis and grading of pathologic changes, prediction of response to therapy, and long-term graft prognosis.

MATERIALS AND METHODS
We reviewed the medical records of patients who underwent renal transplant from living and deceased donors at Baskent University Adana Teaching and Research Hospital between 2010 and 2014 and who had an indication for biopsy. Clinical characteristics and laboratory results of patients were recorded. Patient biopsy samples were examined according to the Banff 2009 classification.

RESULTS
Between 2010 and 2014, there were 175 renal transplants performed at our hospital, with 134 recipients (76.6%) having living-donor and 41 recipients (23.4%) having deceased-donor transplants. Fifty-one patients (29.1%) were children, and 124 patients (70.9%) were adults. We found that there were 123 biopsies made from 75 transplant patients over a 4-year period. When examined according to Banff 2009 criteria, the biopsy samples revealed acute T-cell-mediated rejection alone in 14.1% of the samples, acute antibody-mediated rejection in 4%, and a combination of the 2 rejections in 5.7%. Specific infections were detected in 12 patients. The graft nephrectomy rate was 5.1%.

CONCLUSIONS
This study investigated biopsy results, their relation with patient clinical status and 4-year survival rates, and our pathology experience and found that rejection and infection rates were similar to the literature. Our future studies with a longer follow-up and a larger sample size will likely provide more accurate information about graft survival and biopsy results.

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