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Author Christophe Almeras

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Endoscopic Papillary Abnormalities and Stone Recognition (EPSR) during Flexible Ureteroscopy: A Comprehensive Review.

Christophe Almeras, Benjamin Pradere, Vincent Estrade, Paul Meria, On Behalf Of The Lithiasis Committee Of The French Urological Association,

<h4>Introduction</h4>The increasing efficiency of the different lasers and the improved performance of endoscopic devices have led to smaller stone fragments that impact the accuracy of microscopic evaluation (morphological and infrared). Before the stone destruction, the urologist has the opportunity to analyze the stone and the papillary abnormalities endoscopically (endoscopic papillary ... Read more >>

J Clin Med (Journal of clinical medicine)
[2021, 10(13):]

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The prognostic value of high-grade prostate cancer pattern on MRI-targeted biopsies: predictors for downgrading and importance of concomitant systematic biopsies.

Cécile Manceau, Gaëlle Fromont-Hankard, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Anne-Sophie Bajeot, Jean-Romain Gautier, Michel Soulié, Guillaume Loison, Ambroise Salin, Christophe Tollon, Bernard Malavaud, Mathieu Roumiguié, Guillaume Ploussard,

<h4>Purpose</h4>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).<h4>Methods</h4>From a radical prostatectomy (RP) cohort, we included patients with pre-biopsy positive MRI and HG [defined by Grade Group (GG) ≥ 3] PCa on ... Read more >>

World J Urol (World journal of urology)
[2021, :]

Cited: 2 times

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Same Day Discharge versus Inpatient Surgery for Robot-Assisted Radical Prostatectomy: A Comparative Study.

Razvan George Rahota, Ambroise Salin, Jean Romain Gautier, Christophe Almeras, Guillaume Loison, Christophe Tollon, Jean Baptiste Beauval, Guillaume Ploussard,

(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 ... Read more >>

J Clin Med (Journal of clinical medicine)
[2021, 10(4):]

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MRI Characteristics Accurately Predict Biochemical Recurrence after Radical Prostatectomy.

Cécile Manceau, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Mathieu Roumiguié, Guillaume Ploussard,

<h4>Background</h4>After radical prostatectomy (RP), biochemical recurrence (BCR) is associated with an increased risk of developing distant metastasis and prostate cancer specific and overall mortality.<h4>Methods</h4>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 ... Read more >>

J Clin Med (Journal of clinical medicine)
[2020, 9(12):]

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Toward improved endoscopic examination of urinary stones: a concordance study between endoscopic digital pictures vs microscopy.

Vincent Estrade, Baudouin Denis de Senneville, Paul Meria, Christophe Almeras, Franck Bladou, Jean-Christophe Bernhard, Gregoire Robert, Olivier Traxer, Michel Daudon,

<h4>Objective</h4>To improve endoscopic recognition of the most frequently encountered urinary stone morphologies for a better aetiological approach in lithiasis by urologists.<h4>Materials and methods</h4>An expert urologist intraoperatively and prospectively (between June 2015 and June 2018) examined the surface, the section, and the nucleus of all encountered kidney stones. Fragmented stones were ... Read more >>

BJU Int (BJU international)
[2020, :]

Cited: 1 time

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Subsphincteric Anastomosis During Laparoscopic Robot-Assisted Radical Prostatectomy and Its Positive Impact on Continence Recovery.

Christophe Almeras, Christophe Tollon, Ambroise Salin, Jean-Baptiste Beauval, Guillaume Loison, Jean Romain Gautier, Guillaume Ploussard,

<b><i>Introduction:</i></b> To assess the interest of a new sphincter preserving anastomosis technique for continence recovery after robot-assisted laparoscopic radical prostatectomy (RALP). <b><i>Materials and Methods</i></b>: We performed a monocentric single-operator study on 187 consecutive RALP. Patients were divided into two groups: Group 1 (standard anastomosis, until December 2017) and Group 2 ... Read more >>

J Endourol (Journal of endourology)
[2020, 34(12):1235-1241]

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A combination of enhanced recovery after surgery and prehabilitation pathways improves perioperative outcomes and costs for robotic radical prostatectomy.

Guillaume Ploussard, Christophe Almeras, Jean-Baptiste Beauval, Jean-Romain Gautier, Valérie Garnault, Natacha Frémont, Stéphanie Dallemagne, Guillaume Loison, Ambroise Salin, Christophe Tollon,

<h4>Background</h4>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).<h4>Methods</h4>Included in this study were 507 consecutive patients undergoing RARP from 2014 to 2019. ... Read more >>

Cancer (Cancer)
[2020, 126(18):4148-4155]

Cited: 5 times

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Survival Outcomes of Patients with Pathologically Proven Positive Lymph Nodes at Time of Radical Cystectomy with or without Neoadjuvant Chemotherapy.

Guillaume Ploussard, Benjamin Pradere, Jean-Baptiste Beauval, Christine Chevreau, Christophe Almeras, Etienne Suc, Jean-Romain Gautier, Anne-Pascale Laurenty, Mathieu Roumiguié, Guillaume Loison, Christophe Tollon, Loïc Mourey, Ambroise Salin, Evanguelos Xylinas, Damien Pouessel,

<h4>Background</h4>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.<h4>Materials and methods</h4>This multicenter study included 450 consecutive patients undergoing RC for muscle-invasive urothelial bladder cancer with pN1-3 pM0 disease from 2010 to 2019. ... Read more >>

J Clin Med (Journal of clinical medicine)
[2020, 9(6):]

Cited: 3 times

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Intercenter reproducibility of software-based fusion biopsies for grade group prediction when targeting suspicious MRI lesions.

Cécile Manceau, Mathieu Roumiguié, Marine Lesourd, Jean-Baptiste Beauval, Christophe Almeras, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Olivier Meyrignac, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Guillaume Ploussard,

<h4>Purpose</h4>To assess the intercenter reproducibility of software-based fusion targeted biopsy (TB) for grade-group assessment and pretherapeutic evaluation of highly suspicious MRI lesions.<h4>Patients and methods</h4>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 ... Read more >>

Urol Oncol (Urologic oncology)
[2020, 38(9):734.e11-734.e17]

Cited: 0 times

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Classification of the renal papillary abnormalities by flexible ureteroscopy: evaluation of the 2016 version and update.

Christophe Almeras, Michel Daudon, Vincent Estrade, Jean Romain Gautier, Olivier Traxer, Paul Meria,

<h4>Introduction</h4>To assess the use of the 2016 proposed classification of the renal papillary abnormalities during flexible ureteroscopy that aims to standardize their description.<h4>Patients and methods</h4>We performed a prospective monocentric single operator collection of the data using this classification during 88 consecutive flexible ureteroscopies required for renal stones treatment. Outcome measurements ... Read more >>

World J Urol (World journal of urology)
[2021, 39(1):177-185]

Cited: 2 times

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Same-day discharge surgery for robot-assisted radical prostatectomy in the era of ERAS and prehabilitation pathways: a contemporary, comparative, feasibility study.

Guillaume Ploussard, Christophe Almeras, Jean-Baptiste Beauval, Jean-Romain Gautier, Guillaume Loison, Ambroise Salin, Christophe Tollon,

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 ... Read more >>

World J Urol (World journal of urology)
[2020, :]

Cited: 3 times

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Assessment of the Minimal Targeted Biopsy Core Number per MRI Lesion for Improving Prostate Cancer Grading Prediction.

Guillaume Ploussard, Jean-Baptiste Beauval, Raphaële Renard-Penna, Marine Lesourd, Cécile Manceau, Christophe Almeras, Jean-Romain Gautier, Guillaume Loison, Daniel Portalez, Ambroise Salin, Michel Soulié, Christophe Tollon, Bernard Malavaud, Mathieu Roumiguié,

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 ... Read more >>

J Clin Med (Journal of clinical medicine)
[2020, 9(1):]

Cited: 1 time

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Improvement of the intermediate risk prostate cancer sub-classification by integrating MRI and fusion biopsy features.

Mathieu Roumiguie, Marine Lesourd, Joseph Zgheib, Christophe Tollon, Ambroise Salin, Christophe Alméras, Nicolas Doumerc, Mathieu Thoulouzan, Michel Soulié, Jean-Romain Gautier, Guillaume Loison, Jacques Assoun, Aurore Vacher, Richard Aziza, Bernard Malavaud, Jean-Baptiste Beauval, Guillaume Ploussard,

<h4>Introduction</h4>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.<h4>Materials and ... Read more >>

Urol Oncol (Urologic oncology)
[2020, 38(5):386-392]

Cited: 0 times

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Impact of MRI and Targeted Biopsies on Eligibility and Disease Reclassification in MRI-positive Candidates for Active Surveillance on Systematic Biopsies.

Guillaume Ploussard, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Jacques Assoun, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Daniel Portalez, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Mathieu Roumiguié,

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], ... Read more >>

Urology (Urology)
[2020, 137:126-132]

Cited: 1 time

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Active surveillance eligibility of MRI-positive patients with grade group 2 prostate cancer: a pathological study.

Guillaume Ploussard, Jean-Baptiste Beauval, Marine Lesourd, Cécile Manceau, Christophe Almeras, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Daniel Portalez, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Mathieu Roumiguié,

<h4>Purpose</h4>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.<h4>Patients and methods</h4>We included 242 consecutive men diagnosed with GG2 PCa by a combination of SB and ... Read more >>

World J Urol (World journal of urology)
[2020, 38(7):1735-1740]

Cited: 1 time

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Decreased accuracy of the prostate cancer EAU risk group classification in the era of imaging-guided diagnostic pathway: proposal for a new classification based on MRI-targeted biopsies and early oncologic outcomes after surgery.

Guillaume Ploussard, Cécile Manceau, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Jean-Romain Gautier, Guillaume Loison, Ambroise Salin, Michel Soulié, Christophe Tollon, Bernard Malavaud, Mathieu Roumiguié,

<h4>Purpose</h4>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.<h4>Materials and methods</h4>We included 1345 patients consecutively operated by radical prostatectomy (RP) since 2014, when MRI and TB were introduced ... Read more >>

World J Urol (World journal of urology)
[2020, 38(10):2493-2500]

Cited: 5 times

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Added Value of Concomitant Systematic and Fusion Targeted Biopsies for Grade Group Prediction Based on Radical Prostatectomy Final Pathology on Positive Magnetic Resonance Imaging.

Guillaume Ploussard, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Jacques Assoun, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Daniel Portalez, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Mathieu Roumiguié,

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 ... Read more >>

J Urol (The Journal of urology)
[2019, 202(6):1182-1187]

Cited: 4 times

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Performance of systematic, MRI-targeted biopsies alone or in combination for the prediction of unfavourable disease in MRI-positive low-risk prostate cancer patients eligible for active surveillance.

Guillaume Ploussard, Jean-Baptiste Beauval, Marine Lesourd, Christophe Almeras, Jacques Assoun, Richard Aziza, Jean-Romain Gautier, Guillaume Loison, Daniel Portalez, Ambroise Salin, Christophe Tollon, Michel Soulié, Bernard Malavaud, Mathieu Roumiguié,

<h4>Purpose</h4>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.<h4>Patients and methods</h4>We included 143 consecutive men fulfilling the Toronto University active surveillance (AS) criteria who underwent a pre-biopsy positive MRI, ... Read more >>

World J Urol (World journal of urology)
[2020, 38(3):663-671]

Cited: 2 times

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Endoscopic description of renal papillary abnormalities in stone disease by flexible ureteroscopy: a proposed classification of severity and type.

Christophe Almeras, Michel Daudon, Guillaume Ploussard, Jean Romain Gautier, Olivier Traxer, Paul Meria,

<h4>Introduction</h4>The goal of this original work was to describe papillary abnormalities using flexible ureteroscopy into a new classification and to assess their relation with stone composition.<h4>Patients and methods</h4>We performed a prospective monocentric single-operator study aiming to describe various aspects of renal papillae. Data have been prospectively collected during consecutive 164 ... Read more >>

World J Urol (World journal of urology)
[2016, 34(11):1575-1582]

Cited: 8 times

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Management of Node Only Recurrence after Primary Local Treatment for Prostate Cancer: A Systematic Review of the Literature.

Guillaume Ploussard, Christophe Almeras, Alberto Briganti, Gianluca Giannarini, Christophe Hennequin, Piet Ost, Raphaële Renard-Penna, Ambroise Salin, Thierry Lebret, Arnauld Villers, Michel Soulié, Alexandre de la Taille, Vincent Flamand,

<h4>Purpose</h4>We analyzed all available studies assessing the management of node only recurrence after primary local treatment of prostate cancer.<h4>Materials and methods</h4>We systematically reviewed the literature in January 2015 using the PubMed, Web of Sciences and Embase databases according to PRISMA guidelines. Studies exclusively reporting visceral or bone metastatic disease were ... Read more >>

J Urol (The Journal of urology)
[2015, 194(4):983-988]

Cited: 33 times

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[Laparoscopic repair of urogenital prolapse without paravaginal repair: medium-term anatomical results].

Vincent Misrai, Christophe Almeras, Morgan Roupret, Emmanuel Chartier-Kastler, François Richard,

<h4>Objective</h4>To evaluate the medium-term anatomical results of laparoscopic repair of urogenital prolapse by sacral colpopexy without associated paravaginal repair (PVR).<h4>Material and methods</h4>The medical records of 97 patients operated in a single centre between 1997 and 2005 by laparoscopic sacral colpopexy without PVR were retrospectively reviewed. The primary endpoint for evaluation ... Read more >>

Prog Urol (Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie)
[2007, 17(4):846-849]

Cited: 8 times

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[Surgical management of chronic refractory pain after TVT treatment for stress urinary incontinence].

Vincent Misrai, Emmanuel Chartier-Kastler, Florence Cour, Pierre Mozer, Christophe Almeras, François Richard,

<h4>Objective</h4>To evaluate the results of surgical treatment of iatrogenic pelviperineal pain following TVT treatment for stress urinary incontinence (SUI).<h4>Material and methods</h4>Eight patients developed chronic pain after TVT that was refractory to symptomatic medical treatment. Pain was characterized by clinical interview and clinical examination and an aetiological assessment demonstrated the role ... Read more >>

Prog Urol (Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie)
[2006, 16(3):368-371]

Cited: 4 times

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Sacral neuromodulation for refractory detrusor overactivity in women with an artificial urinary sphincter.

Morgan Roupret, Emmanuel Chartier-Kastler, Christophe Almeras, Nadim Ayoub, Alain Haertig, François Richard,

<h4>Purpose</h4>We assessed the efficacy of sacral neuromodulation as an alternative therapeutic option in women with an artificial urinary sphincter (AUS) who had de novo irritative urinary symptoms (urgency/frequency) refractory to conventional treatment.<h4>Materials and methods</h4>Between 1984 and 2002 we implanted an AUS in 350 women and detrusor overactivity developed in 14. ... Read more >>

J Urol (The Journal of urology)
[2004, 172(1):236-239]

Cited: 3 times

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[Postoperative osteitis of the pubis: diagnosis, treatment and results].

Christophe Almeras, Faouzi Madi, Nicole Desplaces, Patrick Mamoudy,

<h4>Objective</h4>Osteomyelitis of the pubis is a possible complication of urological and gynaecological surgery. This article reviews this disease which is still a source of controversy.<h4>Material and methods</h4>Between 1984 and 1997, five patients with osteomyelitis of the pubis, following complementary investigations, underwent resection of the symphysis pubis with histological and bacteriological ... Read more >>

Prog Urol (Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie)
[2002, 12(2):253-259]

Cited: 2 times

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[Nadir PSA and kinetics of PSA decline between the 3rd and 6th month after external beam radiotherapy for T1 T2 Nx M0 localized prostate cancer: value of the prediction of the risk of biological progression].

Christophe Almeras, Marc Zerbib, François Eschwege, Bernard Debré,

<h4>Introduction</h4>This study analyses the results of external beam radiotherapy in stage T1 T2 Nx M0 prostate cancer, with reference to the nadir PSA and the kinetics of PSA decline.<h4>Material and methods</h4>65 patients with T1 T2 Nx M0 localized prostate cancer were treated by external beam radiotherapy (conventional or conformal) between ... Read more >>

Prog Urol (Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie)
[2002, 12(2):219-225]

Cited: 1 time

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