Robotic Kidney Transplant Is Expanding Alongside Growing Evidence

Kidney transplantation is the gold standard treatment for patients with end-stage renal disease, offering improved survival rates and quality of life compared with dialysis. 

Despite major advances in immunosuppression, organ preservation, and allocation, the surgical approach to open kidney transplantation (OKT) has changed little since it was first performed by Nobel laureate Joseph E. Murray, MD, in 1954. However, rapid progress in minimally invasive surgery has positioned robotic kidney transplantation (RKT) at the forefront of transplant surgery innovation. An increasing body of evidence suggests that RKT offers advantages for patients, surgeons, and healthcare systems.

RKT achieves equivalent graft function and patient survival rates compared with OKT while demonstrating a more favorable perioperative profile. Data from a cohort-matched study from Washington University in St. Louis (Missouri) demonstrated similar graft function and patient survival between RKT and OKT, but with significantly lower rates of all complications (14% versus 31%), a 50% reduction in readmission (14% versus 31%), lower return to the OR (2% versus 15%), postoperative lymphocele (6% versus 25%), and reduced postoperative opioid requirements (65 versus 93 morphine milligram equivalents).¹

A propensity-matched study conducted by researchers at Henry Ford Hospital in Detroit, Michigan, demonstrated similar graft function and survival between RKT and OKT, but with a 6-fold reduction (4% versus 24%) in the Clavien-Dindo classification greater than or equal to three complications for the RKT group.² Another cohort-matched study conducted at the University of Illinois Chicago demonstrated similar graft function and patient survival, as well as a significant reduction in surgical site infections in RKT versus OKT patients (0% versus 28%).³

National data from more than 140,000 patients further support lower rates of complications, surgical site infections, and in-hospital mortality among RKT recipients.⁴ These findings are consistent with European studies demonstrating excellent long-term graft outcomes.^5,6

The robotic platform aligns well with the technical demands associated with kidney implantation, including precise vascular anastomoses and careful graft handling within a limited ischemic window. A muscle-sparing approach may facilitate earlier mobilization and reduce wound complications such as incisional hernias.

The RKT procedure was initially developed to address disparities in accessing transplant care among patients with obesity. Since RKT was first performed in 2010,⁷ multiple studies have demonstrated improved access and outcomes in the obese population.⁸

Notably, body mass index (BMI) thresholds remain a barrier at many centers with approximately 73% of US transplant programs enforcing a cutoff of 40 kg/m² at referral or waitlisting.^9,10 A recent US study showed nearly 40,000 (N=39,844) incident dialysis patients had obesity as their only demonstrable contraindication to transplant listing; these patients tended to be younger, female, and Black.

Compared to patients with a BMI of less than 35, patients with higher BMI were significantly less likely to be waitlisted, and even after waitlisting, they remained less likely to undergo transplantation.¹¹

Researchers at the University of Colorado Anschutz in Denver published a study highlighting the potential to increase equitable access to transplant care. Although three-quarters of their RKT recipients had a BMI less than or equal to 30, the program’s robotic expansion appeared to increase transplant access for patients with a BMI greater than or equal to 40.¹²

Institutional and Surgeon-Level Advantages

From an institutional perspective, removing BMI barriers from waitlisting decisions allows centers to expand access to care for patients and provide more patients with lifesaving kidney transplants.

RKT may improve value by reducing complications, readmissions, and length of stay, all of which contribute to downstream cost savings. Perioperative departments improve efficiency and return on investment by scheduling robotic surgeries during nonpeak hours. Additionally, RKT programs can enhance referral networks and serve as a differentiator for transplant center growth and patient recruitment.

In the University of Colorado study, RKT recipients came from a wider referral geography than OKT recipients,¹² and these data suggest that patients seek out specialized RKT programs for high-risk transplants.

For surgeons, robotic platforms offer ergonomic benefits, as well as improved high-magnification visualization and enhanced wristed-instrument dexterity, which may facilitate more consistent and precise vascular reconstruction.

Kidney implantation is a structured, common, and reproducible operation that demands careful iliac dissection, precise vascular suturing, deliberate graft orientation, gentle ureteral handling, and reliable performance during a short ischemic window. These features may be particularly advantageous in complex cases, including those with multiple renal arteries, atherosclerotic/calcified recipient vessels, and reoperative kidney transplantation. For surgeons interested in the technical aspects of RKT, a narrated operative video is available (see below).

Limitations of Current Evidence

Despite encouraging outcomes, most available data are retrospective and subject to selection bias. RKT cohorts remain smaller and are concentrated at high-volume centers, which may limit generalizability.

RKT is unique because it is one of the few minimally invasive abdominopelvic operations that do not have a direct laparoscopic comparator for outcomes and cost-effectiveness, making OKT the primary benchmark for outcomes and value comparisons.

Long-term graft outcomes, broader cost-effectiveness, and dissemination across diverse practice settings warrant further comprehensive study. Ongoing prospective evaluation, including the European ORKTx prospective, randomized control trial, is expected to provide higher-level evidence.¹³

Turning Barriers into Speed Bumps

With 27,573 kidney transplants performed in the US in 2025, this case volume represents the potential to scale up RKT to improve patient care.¹⁴ In the 15 years since the first RKT, the procedure has been further refined and greatly expanded. However, widespread adoption of RKT faces several barriers.

Challenges such as intraoperative costs related to robotic platforms, expensive disposable instruments, and team training remain significant. However, analyses focusing solely on operative costs may underestimate the broader economic impact, particularly when considering reduced complications and readmissions. Preliminary, unpublished data from Washington University in St. Louis suggest that average index hospitalization cost, including intra- and perioperative expenses, are comparable between RKT and OKT.

Cost methodologies that place heavy emphasis on RKT operating room expenses often fail to capture the broader picture in transplantation. These factors include prolonged dialysis treatment and exposure, center waitlist management, costs associated with post-transplant morbidities and readmissions, and in the case of high BMI patients, potential exclusion from lifesaving transplantation opportunities.

Alignment of reimbursement with value will be critical for broader adoption. Currently, RKT is reimbursed using the same Healthcare Common Procedure Coding System (HCPCS) code (50360) as OKT. This process is unlike other pelvic operations where a separate higher-reimbursing minimally invasive surgery (MIS) code exists, including MIS prostatectomy (1.47x relative value units [RVUs] versus open), MIS hysterectomy (1.44x RVUs versus open), and MIS proctectomy (1.25x RVU versus open).¹⁵ As the benefits of RKT are recognized by payers, a new HCPCS code for minimally invasive kidney transplantation is expected to be established, with reimbursement commensurate with patient benefit.

Operational Challenges

The integration of transplantation into robotic OR workflows presents some process-related barriers, particularly for deceased donor cases that occur unpredictably and do not easily fit into a traditional OR block time-based scheduling model. For living donation, which is easily scheduled in the elective OR block time, this is less of an issue.

Counseling patients receiving deceased donor organs—which account for the vast majority of US transplant volume—on the benefits of RKT requires institutional commitment to adequately support the RKT program.

Developing an around-the-clock, on-call robotics team for transplant and emergency general surgery has been successfully executed in several academic medical centers.^16,17 However, this approach requires institutional and perioperative leadership buy-in to provide the benefits of robotic surgery to patients for urgent add-on cases.

Building an RKT surgeon workforce is both a challenge and an opportunity.

Formal robotic curricula are beginning to emerge, and recent reports suggest that RKT can be taught within a structured framework.¹⁸ For experienced surgeons, competence may be achievable after a modest number of cases, and it is possible for dedicated OR teams to accelerate program growth and fellow training.

A recent survey of American Society of Transplant Surgeons fellows and program directors revealed 73% of fellows expected exposure to 50 or fewer robotics cases during fellowship, 94% wanted more robotics experience, and 35% reported dissatisfaction with their robotics training. Most fellows viewed robotics as important or essential to future transplant practice, and many believed this technology would shape future employment opportunities.¹⁹

RKT will not expand in a responsible manner if training remains informal, inconsistent, or concentrated in a handful of highly specialized centers. Programs need reproducible pathways for case selection, team setup, back-table planning, graft introduction, vascular and ureteral anastomosis, intracorporal organ cooling, troubleshooting, and graduated case complexity.

Successful Implementation

RKT is unlikely to replace open transplantation in the near term. However, the accumulating evidence suggests that it should be seriously considered by transplant programs seeking to improve outcomes and expand access.

Successful implementation will depend on a deliberate, systems-based approach: building multidisciplinary teams, standardizing techniques, selecting appropriate cases, and rigorously monitoring outcomes.

The collaborative nature of the RKT community, including team mentorship, shared technical resources, and institutional partnerships, has facilitated responsible growth and will remain essential moving forward to maintain strict safety standards. Experienced RKT programs and surgical mentors have been sharing intraoperative videos of technical challenges, hosting surgeons and their OR teams for on-site observation, and providing mentorship and coaching as new centers begin building their own programs.

RKT is rapidly gaining momentum in the field, and this innovative minimally invasive technique is at the frontier of transplant surgery. There is an increasing body of published literature demonstrating favorable patient outcomes with RKT, which raises a compelling case for an expansion of this approach.

As adoption increases, the central questions are no longer whether RKT should be implemented, but rather where it provides the greatest value, which patients benefit the most from this procedure, and how programs can integrate this technology safely and effectively into clinical practice.

Dr. Brendan Lovasik is a transplant surgeon at the Mayo Clinic in Jacksonville, FL.

Dr. Phillipe Abreu is a transplant surgeon at Tufts University School of Medicine in Boston, MA.

References

1. Kiani AZ, Hill AL, Vachharajani N, Davidson J, et al. Robotic kidney transplant has superior outcomes compared to open kidney transplant: Results of a propensity match analysis. Surg Endosc. 2025;39(1):448-458.
2. Tinney F, Ivanics T, Stracke J, Malinzak L, et al. Robotic-assisted versus open technique for living donor kidney transplantation: A comparison using propensity score matching for intention to treat. Transplant Direct. 2022;8(5):e1320.
3. Oberholzer J, Giulianotti P, Danielson KK, Spaggiari M, et al. Minimally invasive robotic kidney transplantation for obese patients previously denied access to transplantation. Am J Transplant. 2013;13(3):721-728.
4. Abreu P, Kadri H, Lopez R, Maffei R, et al. National comparison of outcomes after robotic kidney transplantation and open kidney transplantation. J Robot Surg. 2026;20(1):351.
5. Campi R, Pecoraro A, Li Marzi V, Tuccio A, et al. Robotic versus open kidney transplantation from deceased donors: A prospective observational study. Eur Urol Open Sci. 2022;39:36-46.
6. Territo A, Afferi L, Musquera M, Gaya Sopena JM, et al. Robot-assisted kidney transplantation: The 8-year European experience. Eur Urol. 2025;87(4):468-475.
7. Giulianotti P, Gorodner V, Sbrana F, Tzvetanov I, et al. Robotic transabdominal kidney transplantation in a morbidly obese patient. Am J Transplant. 2010;10(6):1478-1482.
8. Spaggiari M, Petrochenkov E, Gruessner A, Bencini G, et al. Robotic kidney transplantation from deceased donors: A single-center experience. Am J Transplant. 2023;23(5):642-648.
9. Schold JD, Augustine JJ, Huml AM, Fatica R, et al. Effects of body mass index on kidney transplant outcomes are significantly modified by patient characteristics. Am J Transplant. 2021;21(2):751-765.
10. Abreu P, Schold JD. Should kidney transplantation be offered to patients with Body Mass Index >40?: Commentary. Kidney360. 2025;6(12):2068-2070.
11. Orandi BJ, Lewis CE, MacLennan PA, Qu H, et al. Obesity as an isolated contraindication to kidney transplantation in the end-stage renal disease population: A cohort study. Obesity (Silver Spring). 2021;29(9):1538-1546.
12. Abreu P, Kadri H, Maffei R, Hansen K, et al The road to 100: Single center experience with the first 100 consecutive robotic kidney transplants. J Robot Surg. 2026;20(1):252.
13. Ortved M, Dagnæs-Hansen J, Stroomberg HV, Kistorp T, et al. Open-label randomised clinical trial investigating whether robot-assisted kidney transplantation can reduce surgical complications compared to open kidney transplantation (ORKTx): Study protocol for a randomised clinical trial. Trials. 2025;26(1):8.
14. National data. Organ Procurement & Transplantation Network (OPTN). Data reports. Available at: https://hrsa.unos.org/data/view-data-reports/national-data/. Accessed April 22, 2026.
15. Centers for Medicare & Medicaid Services. Physician Fee Schedule. Available at: https://www.cms.gov/medicare/physician-fee-schedule/search. Accessed April 22, 2026.
16. Gage D, Neilson T, Pino MG, Eiferman D, et al. . Establishment of a 24/7 robotic acute care surgery program at a large academic medical center. Surg Endosc. 2024;38(8):4663-4669.
17. Hill AL, Scherer MD, Kiani A, Vachharajani N, et al. The impact of a dedicated operating room team on robotic transplant program growth and fellowship training. Clin Transplant. 2023;37(11):e15103.
18. Harsin C, Kiani A, Vachharajani N, Hill A, et al. Robotic training in transplant surgery fellowship: Shaping the next generation of transplant surgeons. J Robot Surg. 2026;20(1):268.
19. Hampel P, Abreu P, Kadri H, Testa G, et al. Current landscape of robotic training during transplant surgery fellowship: A survey of 2025-2026 ASTS fellows and program directors. Am J Transplant. 2026;26(1):S69.