UrologyDr. Yajvender Pratap Singh RanaUrology & Kidney Transplant

Senior Director, Urology, Uro-Oncology, Andrology and Kidney Transplant, BLK-Max Super Speciality Hospital, New Delhi

Part 7 of 10 in Advances in Urology, Uro-Oncology and Kidney Transplant

Kidney Transplant Rejection: Warning Signs, Diagnosis and Treatment

November 23, 2025

Transplant rejection can happen at any point after surgery, though the first two to three months carry the highest risk, and Dr. Rana has not seen a hyperacute rejection in a blood-compatible transplant in over a decade. Slowly creeping creatinine, from a stable baseline around 0.9-1.0 upward, and protein appearing in the urine are the earliest practical clues that something is happening inside the graft.

Confirming and classifying rejection

A kidney biopsy distinguishes cell-mediated (ACR) from antibody-mediated (AMR) rejection, which determines treatment: a course of methylprednisolone pulses first, escalating to anti-thymocyte globulin (ATG) or plasmapheresis if that is not sufficient. Most rejection in current practice is reversible when treated promptly; the real risk comes from delay, not from the rejection episode itself.

Managing rejection at a distance

For patients who return home after transplant, rising creatinine or new urine protein is followed up through the local nephrologist, with biopsy samples sometimes sent to India for confirmation and treatment coordinated by phone once medicines, many now available locally, are prescribed. Dr. Rana stays reachable to his international patients directly, since rejection is a manageable process rather than an overnight emergency, and the two to three months immediately after transplant remain the period that matters most for close follow-up.

This article is based on a Jivo Masterclass session conducted by Dr. Yajvender Pratap Singh Rana, Director, Urology, Uro-Oncology, Andrology and Kidney Transplant, BLK-Max Super Speciality Hospital, New Delhi. The article has been summarised with the assistance of an AI tool from the original masterclass recording. Watch the full Masterclass recording

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This guide is based on a live Jivo Masterclass — Dr. Yajvender Pratap Singh Rana taught doctors across Africa on November 23, 2025.

FROM THE LIVE Q&A

DR

Dr. Ashitu

Looking to the future, is there a possibility that xenotransplantation, using animal kidneys such as from a sheep, could work in humans?

YP

Dr. Yajvender Pratap Singh Rana

It is being tried, but the outlook is not promising because of tissue rejection and the risk of transmitting animal viruses, including parvovirus, into the recipient, so the success of xenotransplantation is still genuinely questionable. Far more promising is tissue-engineered, artificially grown organs: a related technique already in use is tissue-engineered buccal mucosa grafting for urethral stricture, where a small piece of cheek tissue is cultured in a lab and implanted into the urethra, a real, working example of the technology-biology merger that is likely to define the field's near future.

See all 8 questions from this masterclass →

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Frequently Asked Questions

What is the cost of kidney transplant, what are the criteria for donor selection, and at what stage of kidney failure do you advise transplant?

A routine mini-incision laparoscopic transplant package costs approximately USD 13,000-14,000, with an additional USD 3,000 for a fully robotic transplant. Donor selection starts with a related donor within the immediate family, confirmed by DNA testing, with extended family only considered if no closer relative is eligible, alongside blood-group and basic health workup. Transplant is generally advised once creatinine exceeds 7, with signs of fluid overload or hyperkalaemia, shrunken kidneys with reduced urine output, and a raised PTH indicating the kidneys will not recover, with an practical age ceiling of around 80 depending on the patient's actual physiological fitness.

How do you manage kidney transplants in patients with HIV, or whose immunity is already compromised?

These patients do fairly well. CD4 count is checked and optimised before travel, with good medical management started well ahead of transplant so patients only travel once they fall into a suitable category. The immediate transplant risk in HIV-positive patients is similar to other patients, though later opportunistic-infection-related complications run somewhat higher, so immunosuppression is adjusted accordingly, for example avoiding routine ATG in favour of a gentler induction agent so immunity is not suppressed as heavily.

Is it possible for you to shed more light on blood group-incompatible transplants? I keep reading the news that these are being done.

Yes, blood group-incompatible transplants are done routinely, though they remain the second choice after a compatible donor. The recipient's antibody titre against the donor's blood group determines eligibility: titres up to 1:8 are essentially as good as a compatible transplant, and even up to 1:64 respond to one or two sessions of plasmapheresis. Higher titres, above 1:128, need immunoadsorption column filtration to bring the level down before proceeding. The success rate is good but runs slightly below a fully compatible transplant, with roughly one in 50 patients experiencing hyperacute rejection.

Can we risk a transplant even when the HLA match, for both donor and recipient, is low?

Yes, HLA incompatibility alone is not a major problem, even between spouses with no HLA match at all. What actually determines eligibility is the cross match: a negative CDC and flow cross match clears the way for transplant. If CDC is negative but flow is positive, donor-specific antibody testing by the single antigen bead method quantifies the real risk, an MFI reading up to roughly 1,500-2,000 is not a concern, while higher readings call for plasmapheresis first. The key requirement is simply that there should be no antibodies against that particular HLA antigen.

How do you get a compatible cadaveric kidney donation for transplant, and what is the timing involved?

Whenever a brain-dead donor is identified anywhere in Delhi NCR, India's national organ transplant authority (NOTTO) is notified and coordinates two brain stem death declarations roughly two hours apart, made jointly by the primary caregiver and a neurointensivist or equivalent specialist. Once the family consents, NOTTO allocates the organ from its waiting list strictly by turn order across hospitals, no single centre can claim it outside that process. From the first declaration to organ harvest is roughly a 12-hour process, with the recipient's dialysis and cross-match run in parallel so the transplant can proceed within six to twelve hours of harvest.

What are the early warning signs of kidney transplant rejection?

A slow, creeping rise in creatinine from a stable post-transplant baseline, and new protein appearing in urine routine tests. These are the earliest practical clues that prompt a kidney biopsy to check for rejection.

Is kidney transplant rejection an emergency that requires immediate travel back to India?

Not usually. Rejection is typically a gradual process rather than an overnight crisis, and can often be managed initially through the patient's local nephrologist, with biopsy results and treatment coordinated remotely, since many of the required medicines are now available outside India too.

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