Publications by authors named "Jean Christophe Lucet"

Purpose: Whether skin disinfection of the surgical site using chlorhexidine-alcohol is superior to povidone-iodine-alcohol in reducing reoperation and surgical site infection rates after major cardiac surgery remains unclear.

Methods: CLEAN 2 was a multicenter, open-label, randomized, two-arm, assessor-blind, superiority trial conducted in eight French hospitals. We randomly assigned adult patients undergoing major heart or aortic surgery via sternotomy, with or without saphenous vein or radial artery harvesting, to have all surgical sites disinfected with either 2% chlorhexidine-alcohol or 5% povidone-iodine-alcohol.

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Background: Peripheral intravenous catheters (PIVCs) are the most commonly used invasive medical devices in healthcare. While they are often perceived as innocuous because they are common, this perception does not match their risk factors. In France, 16% of intravenous device-associated bacteremia are due to PIVCs.

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Three years after the beginning of the COVID-19 pandemic, better knowledge on the transmission of respiratory viral infections (RVI) including the contribution of asymptomatic infections encouraged most healthcare centers to implement universal masking. The evolution of the SARS-CoV-2 epidemiology and improved immunization of the population call for the infection and prevention control community to revisit the masking strategy in healthcare. In this narrative review, we consider factors for de-escalating universal masking in healthcare centers, addressing compliance with the mask policy, local epidemiology, the level of protection provided by medical face masks, the consequences of absenteeism and presenteeism, as well as logistics, costs, and ecological impact.

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During the COVID-19 pandemic outbreak, COVID-19 healthcare-associated infections (HAI) and risk management became major challenges facing hospitals. Using evidence from a research project, this commentary presents: 1) various communication and information strategies implemented by four hospitals and their staff in Brazil, Canada and France to reduce the risks of COVID-19 HAIs, and how they were perceived by hospital staff; 2) the flaws in communication in the hospitals; and 3) a proposed agenda for research on and action to improve institutional communications for future pandemics. By analyzing "top-down" strategies at the organizational level and spontaneous strategies initiated by and between professionals, this study shows that during the first waves of the pandemic, reliable information and clear communication about guidelines and health protocols' changes can help alleviate fears among staff and avoid misapplication of protocols, thereby reducing infection risks.

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The management of the COVID-19 epidemic has disrupted the organization of healthcare in hospitals. As part of a research project on the resilience of hospitals and their staff to the COVID-19 pandemic (HoSPiCOVID), we have documented their adaptation strategies in five countries (France, Mali, Brazil, Canada, Japan). In France, at the end of the first wave (June 2020), a team of researchers and health professionals from the Bichat Claude-Bernard Hospital organized focus groups to acknowledge these achievements and to share their experiences.

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Article Synopsis
  • The study examines how the general population in France perceives and practices mask-wearing during the COVID-19 pandemic, noting that masks carry social meaning beyond their protective function.
  • Conducted through semi-structured interviews across various locations, the research explores how individuals' decisions to wear masks are influenced by social relationships, comfort levels, and daily life integration.
  • Findings suggest that participants view masks as hinderances to communication and interaction, indicating a need for enhanced education on their medical significance to improve adherence to mask-wearing guidelines.
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Since the beginning of the COVID-19 pandemic, few studies have focused on crisis management of multiple services within one hospital over several waves of the pandemic. The purpose of this study was to provide an overview of the COVID-19 crisis response of a Parisian referral hospital which managed the first three COVID cases in France and to analyze its resilience capacities. Between March 2020 and June 2021, we conducted observations, semi-structured interviews, focus groups, and lessons learned workshops.

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Article Synopsis
  • The study evaluated the effectiveness of nasopharyngeal swabs compared to bronchoalveolar lavage (BAL) for detecting non-SARS-CoV-2 respiratory viruses in pneumonia patients during a retrospective analysis from 2012 to 2018 at a French hospital.
  • In a cohort of 276 patients, primary findings showed that nasopharyngeal swabs detected viruses in 34.4% of cases, while BAL detected them in 29.0%, revealing an overall agreement of 83.7% between the two methods.
  • The research concluded that while both testing methods are reliable, BAL may still be beneficial when nasopharyngeal swabs return negative results, especially for certain viruses like rhinovirus
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(1) Background: Cephalosporins (CA) are the first-line antibiotic prophylaxis recommended to prevent surgical site infection (SSI) after cardiac surgery. The combination of vancomycin/gentamicin (VGA) might represent a good alternative, but few studies have evaluated its efficacy in SSI prevention. (2) Methods: A single-centre retrospective study was conducted over a 13-year period in all consecutive adult patients undergoing elective cardiac surgery.

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Objective: To investigate whether oral antimicrobial prophylaxis as an adjunct to intravenous antibiotic prophylaxis reduces surgical site infections after elective colorectal surgery.

Design: Multicentre, randomised, double blind, placebo controlled trial.

Setting: 11 university and non-university hospitals in France between 25 May 2016 and 8 August 2019.

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This article describes a case of healthcare-associated monkeypox infection in France during the 2022 outbreak. A female medical resident accidently pricked herself with a soiled subcutaneous needle used to harvest a vesicle of a patient infected by monkeypox virus and developed 4 days later a unique skin lesion, positive for monkeypox virus.

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Background: Spread of resistant bacteria causes severe morbidity and mortality. Stringent control measures can be expensive and disrupt hospital organization. In the present study, we assessed the effectiveness and cost-effectiveness of control strategies to prevent the spread of Carbapenemase-producing Enterobacterales (CPE) in a general hospital ward (GW).

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Objectives: This study assessed the roles of various exposures and personal protective equipment (PPE) use on healthcare workers' (HCWs) risk of COVID-19 working in primary care, long-term-care facilities or hospitals.

Methods: We conducted a matched case-control (1:1) study (10 April through 9 July 2021). Cases (HCWs with confirmed COVID-19) and controls (HCWs without any COVID-19-positive test or symptoms) were invited by E-mail to complete an online questionnaire on their exposures and PPE use over the 10-day period preceding inclusion.

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Background: A 15-month outbreak of carbapenemase-producing Enterobacterales (CPE) occurred in the surgical intensive care unit (SICU) of our institution. We aimed to estimate the financial impact of this outbreak from the perspective of the French public health insurance system.

Methods: The characteristics of the colonised/infected CPE patients and outbreak management according to French national guidelines were prospectively collected.

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Multidrug-resistant , including carbapenemase producers, are currently spreading in health care facilities and the community. The Bichat Claude Bernard hospital in Paris faced a prolonged NDM-producing (NDM-CPE) outbreak. Whole-genome sequencing (WGS) was performed on all isolated NDM-CPE to evaluate its benefits for outbreak surveillance and comprehension.

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Article Synopsis
  • - The study analyzed rhinovirus infections in 178 hospitalized patients in Paris over several months, focusing on their clinical presentations and outcomes.
  • - Key findings showed that a majority of patients had chronic respiratory conditions or were immunosuppressed, with different types of rhinoviruses (HRV-A, -B, and -C) showing varying associations with complications like pneumonia and ICU admissions.
  • - Understanding the molecular differences between rhinovirus types is essential for developing targeted treatments to improve health outcomes in at-risk patients.
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Background: Hand hygiene (HH) is the most important measure for preventing healthcare-associated infections. A significant correlation between alcohol-based handrub consumption (AHRC) and observed HH compliance rates has been established. In France, publicly reported AHRC displayed a large heterogeneity across healthcare facilities (HCFs).

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Background: The potential relationship between intravascular catheter infections with their insertion during weekend or night-time (i.e., off-hours or not regular business hours) remains an open issue.

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Background: Virus-associated respiratory infections are in the spotlight with the emergence of SARS-CoV-2 and the expanding use of multiplex PCR (mPCR). The impact of molecular testing as a point-of-care test (POCT) in the emergency department (ED) is still unclear.

Objectives: To compare the impact of a syndromic test performed in the ED as a POCT and in the central laboratory on length of stay (LOS), antibiotic use and single-room assignment.

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  • The study aimed to examine changes in lifestyle habits and weight during the COVID-19 lockdown among diabetes patients with overweight or obesity.
  • Participants were surveyed through a web application, revealing that 69.5% of the 5280 surveyed were overweight or obese, with notable lifestyle changes like reduced smoking and healthier eating habits among these individuals.
  • Findings showed that while 18.9% of overweight/obese participants lost weight during the lockdown, a larger portion (28.6%) gained weight, highlighting an opportunity for clinicians to support ongoing healthy changes in future lockdowns.
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This systematic review assesses variation in international and national guidelines on respiratory protection for health care professionals during the COVID-19 pandemic.

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Article Synopsis
  • Healthcare-associated infections (HAI) are common issues in medical care, and automated surveillance (AS) presents a way to improve monitoring over conventional manual methods, which can be resource-intensive and inconsistent.
  • The PRAISE network, consisting of 30 experts from ten European countries, has created a roadmap to help implement AS effectively across healthcare networks, ensuring data consistency for quality improvement.
  • The roadmap outlines key aspects like selecting surveillance targets, designing AS systems, maintaining them, and identifying further research needs, all while providing additional documents on governance and technology for a successful transition.
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Objectives: Surveillance of healthcare-associated infections (HAI) is increasingly automated by applying algorithms to routine-care data stored in electronic health records. Hitherto, initiatives have mainly been confined to single healthcare facilities and research settings, leading to heterogeneity in design. The PRAISE network - Providing a Roadmap for Automated Infection Surveillance in Europe - designed a roadmap to provide guidance on how to move automated surveillance (AS) from the research setting to large-scale implementation.

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Background: All prevention efforts currently being implemented for COVID-19 are aimed at reducing the burden on strained health systems and human resources. There has been little research conducted to understand how SARS-CoV-2 has affected health care systems and professionals in terms of their work. Finding effective ways to share the knowledge and insight between countries, including lessons learned, is paramount to the international containment and management of the COVID-19 pandemic.

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