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Eur Urol. 2014 May;65(5):991-1000. doi: 10.1016/j.eururo.2013.12.006. Epub 2013 Dec 19.

Robotic kidney transplantation with regional hypothermia: a step-by-step description of the Vattikuti Urology Institute-Medanta technique (IDEAL phase 2a).

Author information

1
Vattikuti Urology Institute, Henry Ford Hospital, Detroit, MI, USA.
2
Vattikuti Urology Institute, Henry Ford Hospital, Detroit, MI, USA. Electronic address: asood1@hfhs.org.
3
Kidney and Urology Institute, Medanta-The Medicity, Gurgaon, India.
4
Department of Urology, Ohio State University, Columbus, OH, USA.
5
Department of Urology, H.L. Trivedi Institute of Transplantation Sciences, Ahmedabad, India.

Abstract

BACKGROUND:

We recently reported on preclinical and feasibility studies (Innovation, Development, Exploration, Assessment, Long-term study [IDEAL] phase 0-1) of the development of robotic kidney transplantation (RKT) with regional hypothermia. This paper presents the IDEAL phase 2a studies of technique development.

OBJECTIVES:

To describe the technique of RKT with regional hypothermia developed at two tertiary care institutions (Vattikuti Urology Institute and Medanta Hospital). We report on the safety profile and early graft function in these patients.

DESIGN, SETTING, AND PARTICIPANTS:

This is a prospective study of 50 consecutive patients who underwent live-donor RKT at Medanta Hospital following a 3-yr planning/simulation phase at the Vattikuti Urology Institute. Demographic details, and perioperative and postoperative outcomes are reported for the initial 25 recipients who have completed a minimum 6-mo follow-up.

SURGICAL PROCEDURE:

Positioning and port placement were similar to that used for robotic radical prostatectomy. Allograft cooling was achieved by ice slush delivered through a GelPOINT device. The accompanying video details the operative technique.

OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS:

The primary outcome was posttransplant graft function. Secondary outcomes included technical success or failure and complication rates.

RESULTS AND LIMITATIONS:

Fifty patients underwent RKT successfully, 7 in the phase 1 and 43 in the phase 2 stages of the study. For the initial 25 patients, mean console, warm ischemia, arterial, and venous anastomotic times were 135, 2.4, 12, and 13.4 min, respectively. All grafts were cooled to 18-20 °C with no change in core body temperature. All grafts functioned immediately posttransplant and the mean serum creatinine level at discharge was 1.3mg/dl (range: 0.8-3.1mg/dl). No patient developed anastomotic leaks, wound complications, or wound infections. At 6-mo of follow-up, no patient had developed a lymphocele detected on CT scanning. Two patients underwent re-exploration, and one patient died of congestive heart failure (1.5 mo posttransplant).

CONCLUSIONS:

RKT with regional hypothermia is safe and reproducible when performed by a team skilled in robotic surgery.

PATIENT SUMMARY:

RKT is safe and effective when performed by surgeons experienced in robotic techniques.

KEYWORDS:

Hypothermia; IDEAL guidelines; Kidney; Kidney transplantation; Minimally invasive surgery; Robotics

PMID:
24388099
DOI:
10.1016/j.eururo.2013.12.006
[Indexed for MEDLINE]
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