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Vol. 43. Issue 10.
Pages 536-542 (December 2019)
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Vol. 43. Issue 10.
Pages 536-542 (December 2019)
Original article
Laparoscopic living donor right nephrectomy: Assessment of outcome and association of BMI to length of right renal vein
Nefrectomía laparoscópica derecha de donante vivo: evaluación del resultado y asociación del IMC con la longitud de la vena renal derecha
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L.N. Vua, N.Q. Nghiaa, D.T. Thanhb, T.B. Giangc, V.T. Ngad,
Corresponding author
vuthinga1@duytan.edu.vn

Corresponding author.
, L.M. Buie, D.T. Chuf,g,
Corresponding author
chudinhtoi.hnue@gmail.com

Corresponding author.
a Organ Transplantation center, Viet Duc Hospital, Hanoi, Vietnam
b Department of Urology, Viet Duc Hospital, Hanoi, Vietnam
c Laparoscopy Center, Viet Duc Hospital, Hanoi, Vietnam
d Institute for Research and Development, Duy Tan University, Danang, Vietnam
e NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh city, Vietnam
f Faculty of Biology, Hanoi National University of Education, Hanoi, Vietnam
g School of Odonto Stomatology, Hanoi Medical University, Hanoi, Vietnam
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Tables (3)
Table 1. General characteristics of the study donors.
Table 2. Surgical parameters.
Table 3. Correlation analysis of study parameters in 60 donors.
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Abstract
Aims

The aim of this study was to describe outcomes of laparoscopic living donor right nephrectomy (LLDRN) and study factors affecting the length of right renal vein (RRV) from the donors.

Material and methods

This study was conducted in 60 donors from January 2016 to December 2017. We performed a retrospective review of consecutive patients who underwent transperitoneal right LLDN at our unit.

Results

LLDRN was successfully performed in all subjects by the same surgeons. There were 48 males and 12 females. Among 60 cases, 47 donors had single renal artery and vein, 2 cases had 1 artery and 2 veins, and 5 donors had 2 arteries and 1 vein, and the rest had 2–3 arteries with 1–3 veins. Operative time (OT) was 142.60±33.73min. Warm ischemic time (WIT) was 2.64±0.76min. The mean hospital stay was 6.69±0.63 days. The median length of RRV was 1.92±0.41cm. All transplanted kidneys showed immediate function. No graft losses were recorded. Almost no gender differences were found in study variables except BMI and WIT, that was higher BMI but shorter WIT in female versus male donors. Further analysis showed a negative correlation between BMI and RRV (r=−0.282, P<0.05), but a positive correlation between OT and estimate blood loss (EBL) (r=0.37, P<0.01).

Conclusions

LLDRN is a feasible safe procedure, less traumatic approach, and provides good outcomes kidney for recipients. Notably, in the study group the higher BMI was associated with resulting more difficult LLDRN and kidney transplantation.

Keywords:
Laparoscopic donor nephrectomy
Right nephrectomy laparoscopy
Endo GIA
Right renal vein
Abbreviations:
LDLN
LLDRN
LLDLN
eGFR
OT
RV
RRV
LRV
RA
WIT
EBL
LOS
ARD
Donor BCR at Day 1
BCR
Resumen
Objetivos

El objetivo de este estudio es describir nuestros resultados de nefrectomía laparoscópica derecha de donante vivo (NLDDV) y los factores asociados con la longitud de la vena renal derecha (VRD) de los donantes.

Material y métodos

Se evaluaron 60 donantes (48 hombres y 12 mujeres) desde enero de 2016 hasta diciembre de 2017. Se llevó a cabo una revisión retrospectiva de pacientes que se sometieron consecutivamente a NLDV de riñón derecho con abordaje transperitoneal en nuestro servicio.

Resultados

Los procedimientos de NLDDV fueron realizados por los mismos cirujanos, obteniendo éxito quirúrgico en todos los casos. De los 60 casos, 47 donantes tenían arteria y vena renal única, 2 casos tenían 1 arteria y 2 venas, y 5 donantes tenían 2 arterias y 1 vena. El resto tenía 2–3 arterias con 1–3 venas. El tiempo quirúrgico (TQ) fue 142,60±33,73min. El tiempo de isquemia caliente (TIC) fue 2.64±0.76min. La estancia hospitalaria media fue 6,69±0,63 días. La longitud media de VRD fue 1.92±0.41cm. Todos los riñones trasplantados presentaron función inmediata. No se registraron pérdidas del injerto. Con excepción de IMC y TIC, se encontraron pocas diferencias relacionadas con el sexo de los pacientes en las variables del estudio. Las mujeres presentaron un IMC más alto y un TIC más corto frente a los donantes masculinos. Un análisis adicional señaló una correlación negativa entre el IMC y el VRD (r=−0.282, P<0.05), pero una correlación positiva entre TQ y la pérdida de sangre estimada (PSev) (r=0.37, P<0.01).

Conclusiones

NLDDV es un procedimiento seguro y viable, con un enfoque menos traumático que proporciona buenos resultados a los receptores. Notablemente, el IMC más alto de todo el grupo de estudio se asoció con un procedimiento de NLDDV y trasplante de riñón más complicados.

Palabras clave:
Nefrectomía laparoscópica del donante
Nefrectomía laparoscópica derecha
Endo-GIA
Vena renal derecha

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