Abhishek Kumar, MBBS, FASN, FAST
Associate Professor (Nephrology)Cards
About
Research
Publications
2025
Early Pre-Emptive Kidney Transplant Does Not Offer Any Mortality Benefits: A Study of Trends in Pre-Emptive Kidney Transplantation Over the Last Two Decades.
Kumar A, Bonnell L, Kuppachi S. Early Pre-Emptive Kidney Transplant Does Not Offer Any Mortality Benefits: A Study of Trends in Pre-Emptive Kidney Transplantation Over the Last Two Decades. Transplant Proc 2025 PMID: 40140312, DOI: 10.1016/j.transproceed.2025.02.032.Peer-Reviewed Original Research
2024
Pushing the Boundaries of Living Donation Through Kidney Paired Donation.
Kumar A, Nishio Lucar AG, Doshi MD. Pushing the Boundaries of Living Donation Through Kidney Paired Donation. Am J Kidney Dis 2024 PMID: 39706246, DOI: 10.1053/j.ajkd.2024.10.007.Peer-Reviewed Original ResearchKidney after Liver Transplantation for All: Are You Kidneying Me?
Kumar A, Wadei HM. Kidney after Liver Transplantation for All: Are You Kidneying Me? Clin J Am Soc Nephrol 2024 PMID: 38265809, DOI: 10.2215/CJN.0000000000000409.Peer-Reviewed Original Research
2023
A large-scale retrospective study enabled deep-learning based pathological assessment of frozen procurement kidney biopsies to predict graft loss and guide organ utilization
Yi Z, Xi C, Menon M, Cravedi P, Tedla F, Soto A, Sun Z, Liu K, Zhang J, Wei C, Chen M, Wang W, Veremis B, Garcia-Barros M, Kumar A, Haakinson D, Brody R, Azeloglu E, Gallon L, O'Connell P, Naesens M, Shapiro R, Colvin R, Ward S, Salem F, Zhang W. A large-scale retrospective study enabled deep-learning based pathological assessment of frozen procurement kidney biopsies to predict graft loss and guide organ utilization. Kidney International 2023, 105: 281-292. PMID: 37923131, PMCID: PMC10892475, DOI: 10.1016/j.kint.2023.09.031.Peer-Reviewed Original ResearchArterial intimal fibrosisGraft lossOrgan utilizationIntimal fibrosisSclerotic glomeruliLarge-scale retrospective studyGlomerular filtration rateDeceased donor kidneysPathologist scoresTransplant outcomesBiopsy findingsSurvival prediction modelWedge biopsyRisk stratificationRetrospective studyFiltration ratePathological assessmentDonor biopsiesNeedle biopsySimilar survivalHistological scoringUnnecessary organsDiscovery setKidneyLesion scores
2022
The Transplant Kidney Biopsy: In Whose Hands?
Virmani S, Kumar A. The Transplant Kidney Biopsy: In Whose Hands? Kidney360 2022, 3: 1662-1663. PMID: 36514728, PMCID: PMC9717671, DOI: 10.34067/kid.0005382022.Peer-Reviewed Original ResearchSeverely Reduced Kidney Function Assessed by a Single eGFR Determination at the Time of an Isolated Heart Transplant Does Not Predict Inevitable Posttransplant ESKD.
Kumar A, Bonnell LN, Thomas CP. Severely Reduced Kidney Function Assessed by a Single eGFR Determination at the Time of an Isolated Heart Transplant Does Not Predict Inevitable Posttransplant ESKD. Transplantation 2022 PMID: 36223634, DOI: 10.1097/TP.0000000000004350.Peer-Reviewed Original ResearchThe U-shaped association of post-lung transplant mortality with pretransplant eGFR underscores possible limitations of creatinine-based estimation equations for risk stratification.
Kumar A, Bonnell LN, Eberlein M, Thomas CP. The U-shaped association of post-lung transplant mortality with pretransplant eGFR underscores possible limitations of creatinine-based estimation equations for risk stratification. The Journal Of Heart And Lung Transplantation : The Official Publication Of The International Society For Heart Transplantation 2022, 41: 1277-1284. PMID: 35778259, DOI: 10.1016/j.healun.2022.05.018.Peer-Reviewed Original ResearchThe evolution of performing a kidney biopsy: a single center experience comparing native and transplant kidney biopsies performed by interventional radiologists and nephrologists
Emelianova D, Prikis M, Morris CS, Gibson PC, Solomon R, Scriver G, Smith ZT, Bhave A, Shields J, DeSarno M, Kumar A. The evolution of performing a kidney biopsy: a single center experience comparing native and transplant kidney biopsies performed by interventional radiologists and nephrologists. BMC Nephrology 2022, 23: 226. PMID: 35752759, PMCID: PMC9233823, DOI: 10.1186/s12882-022-02860-1.Peer-Reviewed Original ResearchConceptsKidney biopsyComplication rateNative biopsiesInterventional radiologistsCovariates of interestBiopsy procedureSingle-center retrospective analysisSignificant differencesCenter retrospective analysisSingle-center experienceMultivariable logistic regressionTransplant kidney biopsiesLikelihood of complicationsReal-time ultrasoundHemoglobin checkBaseline characteristicsCenter experienceFrequent complicationMicroscopic hematuriaPost biopsyBlood pressureEntire cohortGeneral anesthesiaBlood countKidney disease
2021
Impact of changing renal function, while waiting for a heart transplant, on post-transplant mortality and development of end stage kidney disease.
Kumar A, Bonnell LN, Thomas CP. Impact of changing renal function, while waiting for a heart transplant, on post-transplant mortality and development of end stage kidney disease. Transplant International : Official Journal Of The European Society For Organ Transplantation 2021 PMID: 33884675, DOI: 10.1111/tri.13889.Peer-Reviewed Original ResearchImpact of age mismatch between donor and recipient on heart transplant mortality.
Kumar A, Bonnell LN, Prikis M, Solomon R. Impact of age mismatch between donor and recipient on heart transplant mortality. Clinical Transplantation 2021, 35: e14194. PMID: 33336373, DOI: 10.1111/ctr.14194.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
Clinical Care
Overview
Abhishek Kumar, MD, is a nephrologist who specializes in the care of patients with complex kidney transplant needs. He focuses on diagnosing and managing conditions related to kidney transplantation and aims to improve patient outcomes through comprehensive care strategies.
Dr. Kumar is dedicated to advancing the understanding of chronic kidney disease in patients who have received non-kidney organ transplants, with the goal of identifying those who might benefit from multi-organ transplants. As an associate professor at Yale School of Medicine, Dr. Kumar is involved in research that seeks to enhance predictive measures for chronic kidney disease in transplant patients.
He received his medical training from Jawaharlal Institute of Postgraduate Medical Education & Research in India. He completed his residency at the University of Illinois, followed by a fellowship in nephrology and transplant nephrology at the University of Iowa.
Clinical Specialties
Nephrology
Fact Sheets
Polycystic Kidney Disease (PKD)
Learn More on Yale MedicineKidney Transplant
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Mailing Address
Yale School of Medicine
330 Cedar Street
New Haven, CT 06510
United States