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"Cazanave, Charles"
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Vancomycin versus linezolid for treatment of staphylococcal-associated central nervous system infections
2025
Background
Linezolid and vancomycin are both recommended for the treatment of staphylococcal-associated central nervous system (CNS) infections. However, to date, no data are available comparing the outcomes of patients treated with vancomycin or linezolid for these infections. The aim of this study was to compare the incidence of treatment failure and adverse events (AEs) associated with vancomycin and linezolid in staphylococcal-associated CNS infections.
Methods
This retrospective monocentric observational study was conducted between 01/01/2015 and 31/12/2023. All patients with a confirmed staphylococcal associated CNS infection and treated with vancomycin or linezolid were included. Failure of antimicrobial treatment was the primary outcome of interest, defined by a composite criteria: persistence of infection (i.e. positive culture after > 72 h of antimicrobial treatment active on the isolated bacteria), relapse of infection (i.e. new infection with the same bacteria involved in the initial episode) or infection related death. Second outcome of interest was AE incidence related to linezolid or vancomycin. Outcomes were analysed using survival analysis techniques and propensity score.
Results
Ninety one patients were included: 51 in vancomycin group and 40 in linezolid group. Infections were mainly meningitis (
n
= 71; 78%). Median duration of linezolid or vancomycin treatment was 7 days (IQR 4; 13). Treatment failure occurred in 18.6% (
n
= 17) of patients (infection persisted in 9.8% of patients (
n
= 9), infection relapsed in 6.6% (
n
= 6) and infection caused a fatal outcome in 4.4% (
n
= 4). In the Cox proportional hazards regression model, vancomycin was not associated with treatment failure (aHR 2.90; 95% CI [0.93–9.30];
p
= 0.066). Using propensity score, vancomycin was associated with treatment failure (HR 3.28; 95% CI [1.02–10.54];
p
= 0.045). Treatment with vancomycin was also associated with AE (HR 8.42; CI 95% [2.44;29.10];
p
= 0.019).
Conclusion
Patients treated with vancomycin for staphylococcal-associated CNS infections seems to have a higher risk of treatment failure and AE compared to those treated with linezolid. However, given the low statistical power and the observational nature of this study, further research is needed to confirm these findings.
Journal Article
Factors associated with poorer quality of life in people living with HIV in southwestern France in 2018–2020 (ANRS CO3 AQUIVIH-NA cohort: QuAliV study)
by
Farbos, Sophie
,
Hessamfar, Mojgan
,
Neau, Didier
in
692/699/255/2514
,
692/700/478
,
692/700/784
2023
We evaluated people living with Human Immunodeficiency Virus’ (PLWH) quality of life (QoL) and assessed whether their demographic, disease-related, socioeconomic, or behavioral characteristics were associated with poorer QoL. ANRS CO3 AQUIVIH-NA cohort participants (Nouvelle Aquitaine, France) were recruited to a cross-sectional study (2018–2020) and their QoL assessed (WHOQOL-BREF). We calculated median (Q1, Q3) QoL domain scores and assessed factors associated with poorer median QoL using bivariable and multivariable quartile regression. Of the 965 PLWH included, 98.4% were on antiretroviral therapy, 94.7% were virally-suppressed, 63.5% reported good/very good QoL. Median scores (0–100) were highest for physical (69;Q1, Q3: 56, 81) and environmental (69; 56, 75) QoL and lowest for social (56; 44, 69) and psychological (56; 44, 69) QoL. PLWH with ≥ 3 comorbidities, HIV-related stigma, or income of < 1500€/month had poorer median adjusted physical, psychological, social, and environmental QoL scores compared to reference groups. While more than half of PLWH reported good/very good QoL, we have not achieved good QoL in 90% of PLWH. Multi-morbidity, HIV-related stigma, and social determinants were consistently and independently associated with poorer QoL. Addressing structural factors in addition to those indirectly related to HIV is required to attain good QoL in all PLWH.
Journal Article
Clinical and Epidemiologic Characteristics and Therapeutic Management of Patients with Vibrio Infections, Bay of Biscay, France, 2001–2019
by
Hoefler, Florence
,
Pouget-Abadie, Xavier
,
Lehours, Philippe
in
Amputation
,
antibacterial agents
,
Antibiotics
2022
Noncholera vibriosis is a rare, opportunistic bacterial infection caused by Vibrio spp. other than V. cholerae O1/O139 and diagnosed mainly during the hot summer months in patients after seaside activities. Detailed knowledge of circulating pathogenic strains and heterogeneities in infection outcomes and disease dynamics may help in patient management. We conducted a multicenter case-series study documenting Vibrio infections in 67 patients from 8 hospitals in the Bay of Biscay, France, over a 19-year period. Infections were mainly caused by V. alginolyticus (34%), V. parahaemolyticus (30%), non-O1/O139 V. cholerae (15%), and V. vulnificus (10%). Drug-susceptibility testing revealed intermediate and resistant strains to penicillins and first-generation cephalosporins. The acute infections (e.g., those involving digestive disorder, cellulitis, osteitis, pneumonia, and endocarditis) led to a life-threatening event (septic shock), amputation, or death in 36% of patients. Physicians may need to add vibriosis to their list of infections to assess in patients with associated risk factors.
Journal Article
Incidence and Risk Factors for New-Onset Diabetes in HIV-Infected Patients
2008
Incidence and Risk Factors for New-Onset Diabetes in HIV-Infected Patients
The Data Collection on Adverse Events of Anti-HIV Drugs (D:A:D) Study
Stephane De Wit , MD, PHD 1 ,
Caroline A. Sabin , PHD 2 ,
Rainer Weber , MD 3 ,
Signe Westring Worm , MD 4 ,
Peter Reiss , MD, PHD 5 ,
Charles Cazanave , MD 6 ,
Wafaa El-Sadr , MD, MPH 7 ,
Antonella d'Arminio Monforte , MD, DMSC 8 ,
Eric Fontas , MD 9 ,
Matthew G. Law , PHD 10 ,
Nina Friis-Møller , MD, PHD 4 and
Andrew Phillips , PHD 2
1 Centre Hospitalier Universitaire Saint-Pierre, Brussels, Belgium
2 Royal Free and University College, London, U.K
3 University Hospital Zurich, Zurich, Switzerland
4 University of Copenhagen, Copenhagen, Denmark
5 Academic Medical Center, Amsterdam, the Netherlands
6 Bordeaux 2 University, Bordeaux, France
7 Columbia University, Harlem Hospital, New York, New York
8 University of Milan, Milan, Italy
9 Centre Hospitalier Universitaire Nice, Hôpital de l'Archet, Nice, France
10 National Centre in HIV Epidemiology and Clinical Research, Sydney, Australia
Corresponding author: Stéphane De Wit, MD, PhD, Department of Infectious Diseases, St. Pierre University Hospital, 322, rue
Haute, B-1000 Brussels, Belgium. E-mail: stephane_dewit{at}stpierre-bru.be
Abstract
OBJECTIVE —The aims of this study were to determine the incidence of diabetes among HIV-infected patients in the Data Collection on
Adverse Events of Anti-HIV Drugs (D:A:D) cohort, to identify demographic, HIV-related, and combination antiretroviral therapy
(cART)-related factors associated with the onset of diabetes, and to identify possible mechanisms for any relationships found.
RESEARCH DESIGN AND METHODS —D:A:D is a prospective observational study of 33,389 HIV-infected patients; diabetes is a study end point. Poisson regression
models were used to assess the relation between diabetes and exposure to cART after adjusting for known risk factors for diabetes,
CD4 count, lipids, and lipodystrophy.
RESULTS —Over 130,151 person-years of follow-up (PYFU), diabetes was diagnosed in 744 patients (incidence rate of 5.72 per 1,000 PYFU
[95% CI 5.31–6.13]). The incidence of diabetes increased with cumulative exposure to cART, an association that remained significant
after adjustment for potential risk factors for diabetes. The strongest relationship with diabetes was exposure to stavudine;
exposures to zidovudine and didanosine were also associated with an increased risk of diabetes. Time-updated measurements
of total cholesterol, HDL cholesterol, and triglycerides were all associated with diabetes. Adjusting for each of these variables
separately reduced the relationship between cART and diabetes slightly. Although lipodystrophy was significantly associated
with diabetes, adjustment for this did not modify the relationship between cART and diabetes.
CONCLUSION —Stavudine and zidovudine are significantly associated with diabetes after adjustment for risk factors for diabetes and lipids.
Adjustment for lipodystrophy did not modify the relationship, suggesting that the two thymidine analogs probably directly
contribute to insulin resistance, potentially through mitochondrial toxicity.
cART, combination antiretroviral therapy
CVD, cardiovascular disease
D:A:D, Data Collection on Adverse Events of Anti-HIV Drugs
MACS, Multicenter AIDS Cohort Study
NNRTI, nonnucleoside reverse transcriptase inhibitor
NRTI, nucleoside reverse transcriptase inhibitor
PYFU, person-years of follow-up
RR, relative risk
Footnotes
Published ahead of print at http://care.diabetesjournals.org on 11 February 2008. DOI: 10.2337/dc07-2013.
Additional information for this article can be found in an online appendix at http://dx.doi.org/10.2337/dc07-2013 .
The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore
be hereby marked “advertisement” in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.
See accompanying editorial, p. 1267 .
Accepted February 4, 2008.
Received October 19, 2007.
DIABETES CARE
Journal Article
Cause-Specific Mortality in HIV-Positive Patients Who Survived Ten Years after Starting Antiretroviral Therapy
by
Trickey, Adam
,
Boesecke, Christoph
,
Saag, Michael
in
Acquired immune deficiency syndrome
,
Adolescent
,
Adult
2016
To estimate mortality rates and prognostic factors in HIV-positive patients who started combination antiretroviral therapy between 1996-1999 and survived for more than ten years.
We used data from 18 European and North American HIV cohort studies contributing to the Antiretroviral Therapy Cohort Collaboration. We followed up patients from ten years after start of combination antiretroviral therapy. We estimated overall and cause-specific mortality rate ratios for age, sex, transmission through injection drug use, AIDS, CD4 count and HIV-1 RNA.
During 50,593 person years 656/13,011 (5%) patients died. Older age, male sex, injecting drug use transmission, AIDS, and low CD4 count and detectable viral replication ten years after starting combination antiretroviral therapy were associated with higher subsequent mortality. CD4 count at ART start did not predict mortality in models adjusted for patient characteristics ten years after start of antiretroviral therapy. The most frequent causes of death (among 340 classified) were non-AIDS cancer, AIDS, cardiovascular, and liver-related disease. Older age was strongly associated with cardiovascular mortality, injecting drug use transmission with non-AIDS infection and liver-related mortality, and low CD4 and detectable viral replication ten years after starting antiretroviral therapy with AIDS mortality. Five-year mortality risk was <5% in 60% of all patients, and in 30% of those aged over 60 years.
Viral replication, lower CD4 count, prior AIDS, and transmission via injecting drug use continue to predict higher all-cause and AIDS-related mortality in patients treated with combination antiretroviral therapy for over a decade. Deaths from AIDS and non-AIDS infection are less frequent than deaths from other non-AIDS causes.
Journal Article
Multicenter Retrospective Study of Vascular Infections and Endocarditis Caused by Campylobacter spp., France
by
Belaroussi, Yaniss
,
Lehours, Philippe
,
Cazanave, Charles
in
Abscesses
,
Anti-Bacterial Agents
,
Anti-Bacterial Agents - therapeutic use
2023
The incidence of campylobacteriosis has substantially increased over the past decade, notably in France. Secondary localizations complicating invasive infections are poorly described. We aimed to describe vascular infection or endocarditis caused by Campylobacter spp. We included 57 patients from a nationwide 5-year retrospective study on Campylobacter spp. bacteremia conducted in France; 44 patients had vascular infections, 12 had endocarditis, and 1 had both conditions. Campylobacter fetus was the most frequently involved species (83%). Antibiotic treatment involved a β-lactam monotherapy (54%) or was combined with a fluoroquinolone or an aminoglycoside (44%). The mortality rate was 25%. Relapse occurred in 8% of cases and was associated with delayed initiation of an efficient antimicrobial therapy after the first symptoms, diabetes, and coexistence of an osteoarticular location. Cardiovascular Campylobacter spp. infections are associated with a high mortality rate. Systematically searching for those localizations in cases of C. fetus bacteremia may be warranted.
Journal Article
Polymicrobial Infections Among Patients with Vascular Q Fever, France, 2004–2020
by
Bérard, Xavier
,
Vareil, Marc-Olivier
,
Eldin, Carole
in
aortitis
,
aortoenteric fistula
,
Bacterial infections
2021
We report 5 cases of vascular Q fever complicated by polymicrobial superinfection in patients who had no risk factors for acute Q fever. Q fever was diagnosed by serologic and molecular assays for Coxiella burnetii. We confirmed additional infections using conventional graft cultures.
Journal Article
A comprehensive analysis of excess depressive disorder in women and men living with HIV in France compared to the general population
by
Vareil, Marc-Olivier
,
Hessamfar, Mojgan
,
Neau, Didier
in
692/308/174
,
692/699/255/2514
,
692/699/476/1414
2022
We aimed to estimate the prevalence of depressive disorder in people living with HIV (PLWH) and evaluate its association with non-HIV-specific and HIV-specific factors in PLWH and in PLWH compared to the general population (GP). We used cross-sectional data from the QuAliV study, conducted within the ANRS-CO3 Aquitaine-AQUIVIH-NA cohort of PLWH in Nouvelle-Aquitaine (2018–2020), and a nationally-representative survey in the GP (EHIS-ESPS, 2014–2015), we included all participants aged ≥ 18 years old who had completed the Patient Health Questionnaire-8 (PHQ-8). Depressive disorder was defined as Patient Health Questionnaire-8 score greater or equal to 10. Its association with non-HIV-specific (demographic, socio-economic, behavioral, health status), HIV-specific factors (immuno-viral markers, antiretrovirals, level of perceived HIV-stigma), and HIV-status was assessed using Poisson regression models with robust variance in women and men separately. We included 914 PLWH (683 men/231 women). More than one in five PLWH had depressive disorder. It was strongly associated with being younger and experiencing severe pain in both sexes. Unemployment in women, being single, and lack of family ties in men were also associated with depressive disorder. More than 30% of our sample reported HIV-stigma, with a dose–response relationship between level of perceived HIV-stigma and depressive disorder. The crude prevalence of depressive disorder was 2.49 (95%CI 1.92–3.22) and 4.20 (95%CI 3.48–5.05) times higher in women and men living with HIV respectively compared to GP counterparts and 1.46 (95%CI 1.09–1.95) and 2.45 (95%CI 1.93–3.09) times higher after adjustment for non-HIV specific factors. The adjusted prevalence ratio of depressive disorder was not significantly different in HIV-stigma free women, but remained twice as high in HIV-stigma free men. The prevalence of depressive disorder compared to the GP tended to decrease with age in PLWH. Excess depressive disorder remains a major concern in PLWH. Our findings reaffirm the importance of regular screening. Tackling social inequalities and HIV-stigma should be prioritized to ensure that PLWH achieve good mental as well as physical health outcomes.
Journal Article
Incidence and Risk Factors for Severe Bacterial Infections in People Living with HIV. ANRS CO3 Aquitaine Cohort, 2000–2012
by
Vandenhende, Marie-Anne
,
Duffau, Pierre
,
Dabis, François
in
Acquired immune deficiency syndrome
,
Adult
,
AIDS
2016
Severe non-AIDS bacterial infections (SBI) are the leading cause of hospital admissions among people living with HIV (PLHIV) in industrialized countries. We aimed to estimate the incidence of SBI and their risk factors in a large prospective cohort of PLHIV patients over a 13-year period in France. Patients followed up in the ANRS CO3 Aquitaine cohort between 2000 and 2012 were eligible; SBI was defined as a clinical diagnosis associated with hospitalization of ≥48 hours or death. Survival analysis was conducted to identify risk factors for SBI.Total follow-up duration was 39,256 person-years [PY] (31,370 PY on antiretroviral treatment [ART]). The incidence of SBI decreased from 26.7/1000 PY [95% CI: 22.9-30.5] over the period 2000-2002 to 11.9/1000 PY [10.1-13.8] in 2009-2012 (p <0.0001). Factors independently associated to increased risk of SBI were: plasma HIVRNA>50 copies/mL (Hazard Ratio [HR] = 5.1, 95% Confidence Interval: 4.2-6.2), CD4 count <500 cells/mm3 and CD4/CD8 ratio <0.8 (with a dose-response relationship for both markers), history of cancer (HR = 1.4 [1.0-1.9]), AIDS stage (HR = 1.7 [1.3-2.1]) and HCV coinfection (HR = 1.4, [1.1-1.6]). HIV-positive patients with diabetes were more prone to SBI (HR = 1.6 [0.9-2.6]). Incidence of SBI decreased over a 13-year period due to the improvement in the virological and immune status of PLHIV on ART. Risk factors for SBI include low CD4 count and detectable HIV RNA, but also CD4/CD8 ratio, HCV coinfection, history of cancer and diabetes, comorbid conditions that have been frequent among PLHIV in recent years.
Journal Article
Nontuberculous mycobacterial infections in a French hospital: a 12-year retrospective study
2016
Background Nontuberculous mycobacteria (NTM) are environmental organisms associated with a range of infections. Reports of NTM epidemiology are mainly focused on pulmonary infections and isolations, and extrapulmonary infections are less frequently described. Methods We conducted a retrospective study of NTM infections at the Bordeaux University Hospital, France, between January 2002 and December 2013. We used the microbiologic component of the American Thoracic Society/Infectious Diseases Society of America's pulmonary NTM disease criteria to define cases of pulmonary NTM, and patients with isolates from a normally sterile site were classified as having extrapulmonary disease. Results In our setting, 170 patients were included. Pulmonary cases predominated (54.1%), followed by skin and soft tissue infections (22.9%), disseminated cases (10.6%), lymphadenitis (7.7%), bone and joint infections (2.9%) and the remaining 1.8% catheter-related infections. Overall, 16 NTM species were isolated. Mycobacterium avium (31.8%) and M. intracellulare (20%) were the most common species identified, followed by M. marinum (13.5%), M. kansasii (10.6%), M. xenopi (9.4%), rapidly growing mycobacteria (9.4%) and other slowly growing mycobacteria (5.3%). In general, NTM isolates were largely prevalent in people older than 50 (62.4%); patients aged 1-10 year-old exclusively yielded M. avium from lymph nodes, almost cases having being diagnosed after 2007. Among the 121 patients with complete follow-up, 78 (64.5%), 24 (19.8%), and 19 (15.7%) were cured, experienced relapse, or died, respectively. Conclusion In our study, extrapulmonary NTM infections represented almost half of cases, consisting mainly in skin and soft tissue infections. The increase lymphadenitis cases in children after 2007 could be linked to the cessation of mandatory BCG vaccination in France. We observed similar cure rates (64%) between pulmonary and extrapulmonary infections.
Journal Article