Publications by authors named "M Brenier"

Article Synopsis
  • The study focused on the average 3-day hospital stay after robotic-assisted partial nephrectomy (RAPN) and aimed to identify which patients could safely undergo the procedure on an outpatient basis without significant complications.
  • Researchers analyzed data from 3,342 patients who had RAPN between 2010 and 2021, finding that overall complications occurred in almost 15% of cases, with significant complications occurring in about 3.6%.
  • Key risk factors for early significant complications within 72 hours post-surgery included longer clamping times and higher ASA scores, leading to the conclusion that patients with ASA scores greater than 2 and a clamping time under 20 minutes could be good candidates for outpatient surgery.
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Purpose: Partial nephrectomy (PN) for large or complex renal tumors can be difficult and associated with a higher risk of recurrence than radical nephrectomy. We aim to evaluate the clinical useful of nephrometry scores for predicting oncological outcomes in a large cohort of patients who underwent PN for renal cell carcinomas.

Methods: Our analysis included patients who underwent PN for renal cell carcinoma in 21 French academic centers (2010-2020).

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Article Synopsis
  • The study compared the trifecta achievement rates of robot-assisted partial nephrectomy between retroperitoneal (RRPN) and transperitoneal (TRPN) approaches using data from 15 medical centers in France.
  • Results showed that while TRPN had a trifecta achievement rate of 82.8% and RRPN 84.0% after matching, RRPN had shorter operative times and less blood loss.
  • The findings suggest that RRPN is a safe and effective alternative to TRPN, especially beneficial for treating posterior renal tumors.
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Purpose: To describe clinical features of patients with oncocytoma on renal biopsy (RMB), correlation with final histology on surgically treated patients, and predictive factors of discrepancy between RMB and final histology.

Methods: This was a retrospective study conducted in the framework of the UroCCR project (NCT03293563). All tumors with oncocytoma on RMB were selected and all pathological reports were reviewed.

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The oncological impact of positive surgical margins (PSM) after robot-assisted partial nephrectomy (RAPN) is still under debate. We compared PSM and Negative Surgical Margins (NSM) in terms of recurrence-free survival (RFS), metastasis-free survival (MFS) and overall survival (OS) after RAPN, and we identified predictive factors of PSM. Multi-institutional study using the UroCCR database, which prospectively included 2166 RAPN between April 2010 and February 2021 (CNIL DR 2013-206; NCT03293563).

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