Laparoscopic partial nephrectomy: Comparative study of the transperitoneal pathway and the retroperitoneal pathway

J. Muñoz-Rodríguez, A. Prera, A. Domínguez, L. de Verdonces, M. A. Rosado, R. Martos, J. Prats

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    2 Citations (Scopus)

    Abstract

    © 2017 AEU Introduction: Laparoscopic partial nephrectomy is the recommended treatment for tumours smaller than 4 cm in cases where it is feasible. Depending on the location of the tumour, the transabdominal or direct retroperitoneal pathway may be considered. Objective: To compare the transperitoneal (TPPN) and direct retroperitoneal (RPPN) partial nephrectomies performed between 2007 and 2016. Material and methods: A retrospective study was conducted on 71 patients who underwent TPPN (42) or direct RPPN (29) partial nephrectomy. We evaluated the characteristics of the patients and tumours, including tumour complexity (PADUA, RENAL, C-index). We compared perioperational variables, including the complications between the 2 pathways. Results: We found no differences in terms of age, sex, Charlson's score and BMI. A larger proportion of patients in the direct RPPN group had prior major abdominal surgery (7.1 vs. 24.1%; P =.043). There were no differences in tumour size, laterality, polarity or complexity in any of the assessed scores. There were significant differences in tumour location (anterior/middle/posterior) between the TPPN and RPPN groups (54.8/31/14.3 vs. 3.4/13.8/82.8%; P <.001). There were no differences in the surgical time or length of stay. The TPPN group had a smaller urinary tract opening (4.8 vs. 27.6%; P =.007) and a higher percentage of haemostatic renorrhaphy (47.6 vs. 17.2%; P =.008). There were no differences in the need for warm ischaemia, in the changes in haemoglobin levels or in the glomerular filtration rate. The complication rates were similar for the two series. Conclusion: The two pathways show similar results in terms of renal function preservation, complications and oncological results. However, we recommend understanding both techniques and adapting the access type to the clinical case.
    Original languageEnglish
    Pages (from-to)273-279
    JournalActas Urologicas Espanolas
    Volume42
    Issue number4
    DOIs
    Publication statusPublished - 1 May 2018

    Keywords

    • Complications
    • Laparoscopy
    • Partial nephrectomy
    • Renal tumour
    • Retroperitoneoscopy

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