Bob-Valéry Occéan

Dr. Bob-Valéry Occéan

CHU Nimes, Nîmes, Occitanie, France

Research Focus & Metrics

Academic Career Length

9Years (2018-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 January 2018 in European Journal of Cancer
Verified
Journal Article
Closed access
NGNathalie Gaspar
Nathalie Gaspar
BOBob-Valéry Occéan
Bob-Valéry Occéan
HPHélène Pacquement
Hélène Pacquement
EBEmmanuelle Bompas
Emmanuelle Bompas
CBCorine Bouvier
Corine Bouvier
Laurence BrugièresLaurence Brugières
Laurence Brugières

26 July 2022 in Nutrients
Verified
Journal Article
Open access
PDF file
JVJulie Veziant
Julie Veziant
MBMathilde Bonnet
Mathilde Bonnet
BOBob-Valéry Occéan
Bob-Valéry Occéan
CDChadli Dziri
Chadli Dziri
Bruno PereiraBruno Pereira
Bruno Pereira
SKSlim Karem
Slim Karem
Aim: The aims of this systematic review and meta-analysis were to assess to what extent probiotics/synbiotics reduce infectious complications after colorectal surgery and whether probiotics or synbiotics should be considered as perioperative measures preventing or reducing infectious complications after CRS and should be included in enhanced recovery programmes (ERP). Secondary aims were to answer practical questions precisely on the best formulation and the type and timing of probiotics or synbiotics in CRS. Method: This systematic review and quantitative meta-analysis were conducted in accordance with PRISMA 2020 guidelines. Inclusion criteria were randomised trials comparing perioperative probiotics/synbiotics with a placebo or standard care in elective colorectal surgery. Exclusion criteria were non-randomised trials. Overall infectious complications and surgical site infections (SSIs including both deep abdominal infections and wound (skin or under the skin) infections) were the primary outcomes. Secondary outcomes were pulmonary and urinary infections, wound infections, and anastomotic leaks. The databases consulted were Medline, Cochrane Database of Systematic Reviews, Scopus, and Clinical Trials Register. Risk of bias was assessed according to the GRADE approach. The analysis calculated the random effects estimates risk ratio (RR) for each outcome. Results: 21 trials were included; 15 evaluated probiotics, and 6 evaluated synbiotics. There were significantly fewer infectious complications (risk ratio (RR) 0.59 [0.47–0.75], I2 = 15%) and fewer SSI (RR 0.70 [0.52–0.95], I2 = 0%) in the probiotic or synbiotic group. There were also significantly fewer pulmonary infections (RR 0.35 [0.20–0.63]) and urinary infections RR 0.41 [0.19–0.87]) as opposed to anastomotic leaks (RR 0.83 [0.47–1.48]) and wound infections (RR 0.74 [0.53–1.03]). Sensitivity analyses showed no significant difference between probiotics and synbiotics in reducing postoperative infections (RR 0.55 [0.42–0.73] versus RR 0.69 [0.42–1.13], p = 0.46). Conclusions: Based on the finding of this study, probiotics/synbiotics reduce infectious complications after colorectal surgery. The effect size was more pronounced for pulmonary and urinary infections. From a practical aspect, some of the questions related to formulations and duration of probiotics or synbiotics need to be answered before including them definitively in enhanced recovery after colorectal surgery programmes.

13 February 2024 in Journal of Visceral Surgery
Verified
Journal Article
Closed access
SKSlim Karem
Slim Karem
GTGilles Tilmans
Gilles Tilmans
BOBob-Valéry Occéan
Bob-Valéry Occéan
CDChadli Dziri
Chadli Dziri
BPBruno Pereira
Bruno Pereira
MCmichel jean Canis
michel jean Canis

1 October 2020 in The American Journal of Emergency Medicine
Verified
Journal Article
Closed access
ACAude Clément
Aude Clément
LZLaurent Zieleskiewicz
Laurent Zieleskiewicz
JBJean-Marie Bonnec
Jean-Marie Bonnec
BOBob-Valéry Occéan
Bob-Valéry Occéan
SBSophie Bastide
Sophie Bastide
XBXavier Bobbia
Xavier Bobbia

Verified
Journal Article
Open access
PDF file
JRJean-Etienne Ricci
Jean-Etienne Ricci
SASylvain Aguilhon
Sylvain Aguilhon
BOBob-Valéry Occéan
Bob-Valéry Occéan
CSCamille Soullier
Camille Soullier
KSKamila Solecki
Kamila Solecki
FRFrançois Roubille
François Roubille
Acute heart failure (AHF) management is challenging, with high morbidity and readmission rates. There is little evidence of the benefit of HF monitoring during hospitalization. The aim of the study was to assess whether daily bedside echocardiographic monitoring (JetEcho) improved outcomes in AHF. In this prospective, open, two parallel-arm study (clinicaltrials.gov: NCT02892227), participants from two university hospitals were randomized to either standard of care (SC) or daily treatment adjustment including diuretics guided by JetEcho evaluating left ventricular filling pressure and volemia. The primary outcome was 30-day readmission rate. Key secondary outcomes were six-month cumulative incidence death, worsening HF during hospitalization and increasing of myocardial and renal biomarkers. From 250 included patients, 115 were finally analyzed in JetEcho group and 112 in SC group. Twenty-two (19%) patients were readmitted within 30 days in JetEcho group and 17 (15%) in SC group (relative risk [RR] 1.26; 95% confidence interval [CI], 0.70–2.24; p = 0.4). Worsening HF occurred in 17 (14%) patients in the JetEcho group and 24 (20%) in the SC group (RR 0.7; 95% [CI] 0.39 to 1.2; p = 0.2). No significant difference was found between the two groups concerning natriuretic peptides and renal function (p > 0.05 for all). The cumulative incidence rate of death from any cause at six months from discharge was 8.7% in the JetEcho group and 11.6% in the SC group (HR 0.63, 95% [CI] 0.3–1.4, p = 0.3). In AHF patients, a systematic daily bedside echocardiographic monitoring did not reduce 30-day readmission rate for HF and short-term clinical outcomes.

1 March 2026 in Radiology
Verified
Journal Article
Closed access
GDGary Doppelt
Gary Doppelt
BOBob-Valéry Occéan
Bob-Valéry Occéan
PFPascale Fabbro-Peray
Pascale Fabbro-Peray
LHLaura Haefliger
Laura Haefliger
LTLaurène Tardieu
Laurène Tardieu
BGBoris Guiu
Boris Guiu
Thermal ablation of malignant liver tumors resulted in near-zero 90-day procedure-related mortality and a 3% major complication rate across 4149 patients in 49 prospective randomized or cohort studies.