Publications by authors named "Guillaume Loison"

Purpose: To assess the patient experience and satisfaction after the implementation in routine of a personalized, digital programme before and after same-day discharge (SDD) robot-assisted radical prostatectomy (RARP).

Methods: The study is a pre/post-interventional, multi-surgeon, unicentre, prospective study. All consecutive patients undergoing SDD RARP were included during a 6-month period.

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Introduction: Radical cystectomy (RC) remains a surgery with important morbidity despite technical advances. Our aim was to determine the impact on outcomes and costs of robot-assisted radical cystectomy (RARC) with full intracorporeal diversion.

Material And Methods: We retrospectively included 196 consecutive patients undergone RC for bladder cancer between 2017 and 2022.

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Purpose: Bladder cancer is a complex disease with a wide range of outcomes. Clinicopathological factors only partially explain the variability between patients in prognosis and treatment response. There is a need for large cohorts collecting extensive data and biological samples to: (1) investigate gene-environment interactions, pathological/molecular classification and biomarker discovery; and (2) describe treatment patterns, outcomes, resource use and quality of life in a real-world setting.

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Prehabilitation programs play a key role in optimizing patient experiences and outcomes after surgery. However, there are few data on robot-assisted radical prostatectomy, and prehabilitation programs may be challenging to launch and maintain over time for every patient. Here we report our 5-yr experience of an on-site prehabilitation program and its impact on patient and hospital outcomes.

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Objectives: To assess the impact of a routine, on-site, 1-day prehabilitation (PreHab) programme on peri-operative and continence recovery after robot-assisted radical prostatectomy (RARP).

Materials And Methods: All 303 consecutive RARPs performed between March 2018 and February 2020 since the routine implementation of PreHab were included in our study. PreHab was carried out according to the availability of the 1-day programme before the planned date of surgery (two sessions per month including four patients per session).

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Introduction: Sertoliform cystadenoma is a very rare, benign lesion of the rete-testis difficult to distinguish from other malignancies of the testicle.

Case Presentation: We present the case of a 42-year-old male who presented with a right testicular mass, asymptomatic for 1 year. Clinical examination revealed a palpable, painless, and well-delimited right testicular superior pole nodule.

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Unlabelled: Over the past decade, prostate cancer (PCa) diagnosis drastically evolved from systematic biopsies (SBs) to multiparametric magnetic resonance imaging (mpMRI) and targeted biopsy (TB), which have emerged as powerful imaging tools for diagnosis, staging, and preoperative planning. MRI and TB should now be widely adopted for assessing prognosis and be incorporated into predictive models. To date, the standard intermediate risk classification (IRC) defined unfavourable and favourable disease with clinical information and overall biopsy data.

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Purpose: To assess the proportion and risk factors for downgrading and reclassification to favorable disease in patients having high-grade (HG) prostate cancer (PCa) pattern on magnetic resonance imaging (MRI)-targeted-biopsy (TB).

Methods: From a radical prostatectomy (RP) cohort, we included patients with pre-biopsy positive MRI and HG [defined by Grade Group (GG) ≥ 3] PCa on MRI-TB. All patients also underwent concomitant systematic biopsy (SB).

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(1) Background: no study has compared outcomes of same day discharge (SDD) versus inpatient robot-assisted radical prostatectomy (RARP) in homogenous cohorts. Our aim was to compare perioperative outcomes and urinary continence recovery between SDD and inpatient RARP in contemporary, comparable patients. (2) Methods: we included consecutive patients undergoing RARP between 2018 and 2020 ( 376).

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Background: After radical prostatectomy (RP), biochemical recurrence (BCR) is associated with an increased risk of developing distant metastasis and prostate cancer specific and overall mortality.

Methods: The two-centre study included 521 consecutive patients undergoing RP for positive pre-biopsy magnetic resonance imaging (MRI) and pathologically proven prostate cancer (PCa), after which a combination scheme of fusion-targeted biopsy (TB) and systematic biopsy was performed. We assessed correlations between MRI characteristics, International Society of Urological Pathology (ISUP) grade group in TB, and outcomes after RP.

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Article Synopsis
  • The study evaluated a new technique called subsphincteric anastomosis (SSA) for improving continence after robot-assisted laparoscopic radical prostatectomy (RALP) in 187 patients.
  • Group 2, which received the SSA, showed significantly higher rates of continence recovery compared to Group 1, with 75.6% fully continent at catheter removal and up to 97.5% after one year.
  • Additionally, the SSA technique was associated with less need for urinary reeducation and better overall urinary quality of life, with no reported complications from the anastomosis.
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Background: An enhanced recovery after surgery (ERAS) pathway has shown benefit in oncologic surgery. However, literature is scarce regarding the impact of this pathway, alone or combined with prehabilitation (PreHab) programs, on outcomes after robot-assisted radical prostatectomy (RARP).

Methods: Included in this study were 507 consecutive patients undergoing RARP from 2014 to 2019.

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Background: To compare overall survival (OS) outcomes in pN1-3 disease at the time of radical cystectomy (RC) for muscle invasive bladder according to the neoadjuvant chemotherapy (NAC) status.

Materials And Methods: This multicenter study included 450 consecutive patients undergoing RC for muscle-invasive urothelial bladder cancer with pN1-3 pM0 disease from 2010 to 2019. NAC consisted in platinum-based chemotherapy.

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Purpose: To assess the intercenter reproducibility of software-based fusion targeted biopsy (TB) for grade-group assessment and pretherapeutic evaluation of highly suspicious MRI lesions.

Patients And Methods: In this study, were included 380 consecutive patients who underwent radical prostatectomy (RP) after prostate cancer diagnosis and a prebiopsy MRI showing Prostate Imaging-Reporting and Data System (PIRADS) score 4 or 5 lesions. All patients underwent systematic biopsies (SB) combined with software-based fusion TB in the 2 centers.

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Purpose: To assess the feasibility of same-day discharge (SDD) after robot-assisted radical prostatectomy (RARP) in the context of enhanced recovery after surgery (ERAS) and prehabilitation pathways.

Materials And Methods: For 1 year, we prospectively assessed the feasibility of SDD RARP in the context of ERAS and prehabilitation pathways. SDD patients were compared to overnight patients operated during the same period by the same surgeon.

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Background: To study the impact of MRI characteristics and of targeted biopsy (TB) core number on the final grade group (GG) prediction.

Materials And Methods: The cohort was 478 consecutive patients who underwent radical prostatectomy (RP) after positive mpMRI (multiparametric magnetic resonance imaging) followed by fusion TB. Endpoints were the upgrading and concordance rates between TB and RP specimens.

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Introduction: Treatment decision-making for intermediate-risk prostate cancer (CaP) is mainly based on grade and tumor involvement on systematic biopsy. We aimed to assess the added value of multi-parametric magnetic resonance imaging (mpMRI) and targeted biopsy (TB) features for predicting final pathology and for improving the well-established favourable/unfavourable systematic biopsy-based sub-classification.

Materials And Methods: From a prospective database of 377 intermediate risk CaP cases, we evaluated the performance of the standard intermediate risk classification (IRC), and the predictive factors for unfavourable disease on final pathology aiming to build a new model.

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Objective: To assess the impact of concomitant targeted biopsies (TB) for predicting final disease reclassification in MRI-positive low-risk prostate cancer patients eligible for active surveillance (AS) on systematic biopsies (SB).

Materials And Methods: From a prospective database, we included all prebiopsy MRI-positive men fulfilling AS criteria at diagnosis (Toronto [n = 114], UCSF [n = 82], or PRIAS [n = 60] criteria) on SB. All patients underwent a combination of SB and software-based fusion TB, and an immediate radical prostatectomy.

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Purpose: To assess the performance of EAU risk classification in PCa patients according to the biopsy pathway (standard versus MRI guided) and to develop a new, more accurate, targeted biopsy (TB)-based classification.

Materials And Methods: We included 1345 patients consecutively operated by radical prostatectomy (RP) since 2014, when MRI and TB were introduced in the diagnostic pathway. Patients underwent systematic biopsy (SB) only (n = 819) or SB and TB (n = 526) prior to RP during the same time period.

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Purpose: To assess the final pathology risk in MRI-positive grade group (GG) 2 prostate cancer (PCa) patients undergoing targeted (TB) and systematic (SB) biopsies, and thereby, the possibility of active surveillance (AS) in this population.

Patients And Methods: We included 242 consecutive men diagnosed with GG2 PCa by a combination of SB and software-based fusion TB undergoing a radical prostatectomy (RP). The primary endpoints were the pathological findings in RP specimens, including favourable disease which was defined by a pT2 and GG1-2 disease.

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Purpose: We assessed the added value of concomitant systematic biopsy for final grade group prediction in patients with positive magnetic resonance imaging who were undergoing targeted biopsy.

Materials And Methods: Included in study were 478 consecutive patients with prebiopsy positive multiparametric magnetic resonance imaging and a greater than 10-core systematic biopsy combined with fusion targeted biopsy who underwent radical prostatectomy. The primary end point was the grade group concordance between biopsy and radical prostatectomy pathology according to the biopsy technique.

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Purpose: To assess the upstaging/upgrading rates of low-risk prostate cancer (PCa) according to the biopsy scheme used (systematic (SB), targeted biopsies (TB), or both) in the setting of positive pre-biopsy MRI.

Patients And Methods: We included 143 consecutive men fulfilling the Toronto University active surveillance (AS) criteria who underwent a pre-biopsy positive MRI, a combination of SB and software-based fusion TB, and a radical prostatectomy, in two expert centres. The primary endpoints were the pathological upgrading and upstaging rates.

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Objectives: To evaluate sexuality and erectile function of candidates for radical prostatectomy in order to assess the place of nerve-sparing surgery in the preoperative discussion.

Material And Methods: From June 2004 to January 2005, 75 consecutive patients, candidates for radical prostatectomy, were prospectively evaluated. Their erectile function and sexuality were evaluated after announcing the diagnosis.

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Objectives: To compare the outcomes in patients who had undergone either open nephroureterectomy or conservative endoscopic surgery (ureteroscopic or percutaneous management) for upper urinary tract transitional cell carcinoma.

Methods: We performed a retrospective review of the data for patients treated surgically for upper urinary tract transitional cell carcinoma from 1990 to 2004. The data included patient sex, age at diagnosis, mode of diagnosis, smoking history, history of bladder cancer, type of surgery, complications, and tumor site, size, stage, grade, recurrence, and progression.

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