Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study

Abstract Objectives Lymphedema of the lower limbs and pubic area is a potential complication following extended pelvic lymph node dissection (ePLND) during robot‐assisted radical prostatectomy (RARP). The incidence of lymphedema after ePLND has not been systematically reported in the literature. Thi...

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Main Authors: Andries Clinckaert, Laura Ysenbaardt, Annabel Bijnens, Charlotte Van Calster, Inge Geraerts, Steven Joniau, Nele Devoogdt, Luc Bijnens, Wouter Everaerts
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:BJUI Compass
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Online Access:https://doi.org/10.1002/bco2.466
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author Andries Clinckaert
Laura Ysenbaardt
Annabel Bijnens
Charlotte Van Calster
Inge Geraerts
Steven Joniau
Nele Devoogdt
Luc Bijnens
Wouter Everaerts
author_facet Andries Clinckaert
Laura Ysenbaardt
Annabel Bijnens
Charlotte Van Calster
Inge Geraerts
Steven Joniau
Nele Devoogdt
Luc Bijnens
Wouter Everaerts
author_sort Andries Clinckaert
collection DOAJ
description Abstract Objectives Lymphedema of the lower limbs and pubic area is a potential complication following extended pelvic lymph node dissection (ePLND) during robot‐assisted radical prostatectomy (RARP). The incidence of lymphedema after ePLND has not been systematically reported in the literature. This study aimed to determine the incidence of lymphedema, describe its clinical characteristics and identify specific risk factors in patients undergoing RARP with or without ePLND. Methods A retrospective cohort study was conducted at a tertiary referral centre between April 2016 and July 2020. Structured electronic case report forms (eCRFs) integrated into the electronic health record system were used to document intraoperative, perioperative and postoperative data. The primary endpoint was the incidence of lymphedema. Secondary endpoints included risk factors for and localization of the postoperative lymphedema. Results A total of 500 patients who underwent RARP were included, with 301 patients undergoing ePLND and 199 patients without any form of PLND. Median follow‐up period was 18 (range 3–49) months. Seventy‐eight out of 301 (26%) of patients who underwent ePLND developed lymphedema, compared to only 2 out of 199 (1%) patients without ePLND. In most patients (49/301, 16%), lymphedema was mild (grade 1), whereas 29 patients (10%) developed grade 2 lymphedema. Twenty‐six patients (9%) received decongestive lymphatic therapy. The most frequent site of lymphedema occurrence were the lower (54%) and the upper legs (40%). The number of nodes removed during RARP was identified as a risk factor for post‐operative lymphedema (OR 1.04; p < 0.05). Conclusions In this cohort study, approximately one in four patients undergoing RARP with ePLND developed lower limb and/or midline oedema, whereas one in ten patients started decongestive lymphatic therapy for symptomatic lymphedema. These findings provide valuable information for patient counselling about the potential benefits and risks of ePLND.
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spelling doaj-art-3a54c6f273364a1d8da93d7e0cc5b2412025-01-31T00:14:32ZengWileyBJUI Compass2688-45262025-01-0161n/an/a10.1002/bco2.466Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort studyAndries Clinckaert0Laura Ysenbaardt1Annabel Bijnens2Charlotte Van Calster3Inge Geraerts4Steven Joniau5Nele Devoogdt6Luc Bijnens7Wouter Everaerts8Department of Cellular and Molecular Medicine KU Leuven Leuven BelgiumDepartment of Urology University Hospitals of Leuven Leuven BelgiumDepartment of Urology University Hospitals of Leuven Leuven BelgiumDepartment of Rehabilitation Sciences University of Leuven Leuven BelgiumDepartment of Rehabilitation Sciences University of Leuven Leuven BelgiumDepartment of Urology University Hospitals of Leuven Leuven BelgiumDepartment of Rehabilitation Sciences University of Leuven Leuven BelgiumData science institute UHasselt Hasselt BelgiumDepartment of Cellular and Molecular Medicine KU Leuven Leuven BelgiumAbstract Objectives Lymphedema of the lower limbs and pubic area is a potential complication following extended pelvic lymph node dissection (ePLND) during robot‐assisted radical prostatectomy (RARP). The incidence of lymphedema after ePLND has not been systematically reported in the literature. This study aimed to determine the incidence of lymphedema, describe its clinical characteristics and identify specific risk factors in patients undergoing RARP with or without ePLND. Methods A retrospective cohort study was conducted at a tertiary referral centre between April 2016 and July 2020. Structured electronic case report forms (eCRFs) integrated into the electronic health record system were used to document intraoperative, perioperative and postoperative data. The primary endpoint was the incidence of lymphedema. Secondary endpoints included risk factors for and localization of the postoperative lymphedema. Results A total of 500 patients who underwent RARP were included, with 301 patients undergoing ePLND and 199 patients without any form of PLND. Median follow‐up period was 18 (range 3–49) months. Seventy‐eight out of 301 (26%) of patients who underwent ePLND developed lymphedema, compared to only 2 out of 199 (1%) patients without ePLND. In most patients (49/301, 16%), lymphedema was mild (grade 1), whereas 29 patients (10%) developed grade 2 lymphedema. Twenty‐six patients (9%) received decongestive lymphatic therapy. The most frequent site of lymphedema occurrence were the lower (54%) and the upper legs (40%). The number of nodes removed during RARP was identified as a risk factor for post‐operative lymphedema (OR 1.04; p < 0.05). Conclusions In this cohort study, approximately one in four patients undergoing RARP with ePLND developed lower limb and/or midline oedema, whereas one in ten patients started decongestive lymphatic therapy for symptomatic lymphedema. These findings provide valuable information for patient counselling about the potential benefits and risks of ePLND.https://doi.org/10.1002/bco2.466extended pelvic lymph node dissectionlymphedemarobot‐assisted radical prostatectomy
spellingShingle Andries Clinckaert
Laura Ysenbaardt
Annabel Bijnens
Charlotte Van Calster
Inge Geraerts
Steven Joniau
Nele Devoogdt
Luc Bijnens
Wouter Everaerts
Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
BJUI Compass
extended pelvic lymph node dissection
lymphedema
robot‐assisted radical prostatectomy
title Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
title_full Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
title_fullStr Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
title_full_unstemmed Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
title_short Post‐operative incidence of lymphedema after RARP with or without extended pelvic lymph node dissection in a cohort study
title_sort post operative incidence of lymphedema after rarp with or without extended pelvic lymph node dissection in a cohort study
topic extended pelvic lymph node dissection
lymphedema
robot‐assisted radical prostatectomy
url https://doi.org/10.1002/bco2.466
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