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HIV patients dying on anti-tuberculosis treatment: are undiagnosed infections still a problem in French Guiana?

Mathieu Nacher, Antoine Adenis, Philippe Abboud, Felix Djossou, Magalie Demar, Loïc Epelboin, Pierre Couppié,

OBJECTIVE:Despite scaling-up testing and antiretroviral treatment in Latin America, advanced HIV remains a significant public health problem. The objective of the present study was look for historical risk factors for death in French Guiana's HIV cohort taking into account the immunological status, the main opportunistic infections, and their treatment. A ... Read more >>

BMC Res Notes (BMC research notes)
[2020, 13(1):209]

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What is AIDS in the Amazon and the Guianas in the 90-90-90 era?

Mathieu Nacher, Antoine Adenis, Basma Guarmit, Aude Lucarelli, Denis Blanchet, Magalie Demar, Felix Djossou, Philippe Abboud, Loïc Epelboin, Pierre Couppié,

Introduction In the past decade, new diagnostic methods and strategies have appeared, HIV testing efforts and the generalization of antiretroviral therapy may have influenced the number of opportunistic diagnoses and mortality of HIV-infected patients. To test this hypothesis we compiled data on the top opportunistic infections and causes of early ... Read more >>

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HIV patients dying on anti-tuberculosis treatment: are undiagnosed infections still a problem in French Guiana?

mathieu nacher, Antoine Adenis, Philippe Abboud, Felix Djossou, Magalie Demar, Loïc Epelboin, Pierre Couppié,

Abstract Objective Despite scaling-up testing and antiretroviral treatment in Latin America, advanced HIV remains a significant public health problem. The objective of the present study was look for historical risk factors for death in French Guiana’s HIV cohort taking into account the immunological status, the main opportunistic infections, and their ... Read more >>

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Relations between influenza, dengue outbreaks, and subsequent bacterial sepsis in French Guiana: a time series analysis

Claire Cropet, Philippe Abboud, Emilie Mosnier, Loïc Epelboin, Félix Djossou, Ward Schrooten, Milko Sobesky, mathieu nacher,

Abstract Objective : Influenza has been shown to increase the risk for severe bacterial infection, in the tropics the seasonality of influenza epidemics is less marked and this may not be the case. Dengue is often followed by prolonged asthenia and some physicians hypothesized increased susceptibility to infections based on ... Read more >>

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Emergence of Plasmodium vivax Resistance to Chloroquine in French Guiana.

Lise Musset, Christophe Heugas, Richard Naldjinan, Denis Blanchet, Pascal Houze, Philippe Abboud, Béatrice Volney, Gaëlle Walter, Yassamine Lazrek, Loïc Epelboin, Stephane Pelleau, Pascal Ringwald, Eric Legrand, Magalie Demar, Félix Djossou,

In South America, Plasmodium vivax resistance to chloroquine was recently reported in Brazil and Bolivia. The objective of this study was to collect data on chloroquine resistance in French Guiana by associating a retrospective evaluation of therapeutic efficacy with an analysis of recurrent parasitemia from any patients. Patients with P. ... Read more >>

Antimicrob. Agents Chemother. (Antimicrobial agents and chemotherapy)
[2019, 63(11):]

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Estimation of the duration between HIV seroconversion and HIV diagnosis in different population groups in French Guiana: Strategic information to reduce the proportion of undiagnosed infections.

Mathieu Nacher, Antoine Adenis, Florence Huber, Edouard Hallet, Philippe Abboud, Emilie Mosnier, Bastien Bideau, Christian Marty, Aude Lucarelli, Vanessa Morel, François Lacapère, Loïc Epelboin, Pierre Couppié,

BACKGROUND:Given the great efforts put into the strategic objective of reducing the proportion of HIV-infected patients that are undiagnosed, the aim of the present study was to review the temporal trends between 1997 and 2016 for median estimates of infection duration and median CD4 count at diagnosis for the main ... Read more >>

PLoS ONE (PloS one)
[2018, 13(6):e0199267]

Cited: 2 times

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Primaquine 30 mg/day versus 15 mg/day during 14 days for the prevention of Plasmodium vivax relapses in adults in French Guiana: a historical comparison.

Audrey Valdes, Loic Epelboin, Emilie Mosnier, Gaelle Walter, Guillaume Vesin, Philippe Abboud, Alessia Melzani, Denis Blanchet, Nicaise Blaise, Mathieu Nacher, Magalie Demar, Felix Djossou,

BACKGROUND:The preventive treatment of Plasmodium vivax relapse recommended by the World Health Organization is primaquine at a dose of 15 mg/day for 14 days, except for malaria cases from Asia and Oceania. Since 2006, CDC recommends the use of primaquine at 30 mg/day for 14 days. In France, all cases of malaria due to ... Read more >>

Malar. J. (Malaria journal)
[2018, 17(1):237]

Cited: 2 times

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Fatal case of chikungunya and concomitant thrombotic thrombocytopenic purpura in French Guiana during air flight medical evacuation.

Loïc Epelboin, Bastien Bidaud, Emilie Mosnier, Paul Le Turnier, Guillaume Vesin, Gaëlle Walter, Philippe Abboud, Stéphanie Houcke, Maïa Forgues, Gérald Egmann, Alain Stepanian, Félix Djossou,

Thrombotic thrombocytopenic purpura (TTP) is a thrombotic microangiopathy associated to severe ADAMTS13 deficiency. It has been linked to various viral infections. Among arboviruses, only Crimean-Congo haemorrhagic fever and dengue fever have been linked to this severe disease. We report the first documented case of TTP concomitant to Chikungunya virus infection. ... Read more >>

J Travel Med (Journal of travel medicine)
[2017, 24(5):]

Cited: 5 times

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A Large Outbreak of Thiamine Deficiency Among Illegal Gold Miners in French Guiana.

Emilie Mosnier, Florence Niemetzky, Juliette Stroot, Vincent Pommier de Santi, Paul Brousse, Basma Guarmit, Denis Blanchet, Muriel Ville, Philippe Abboud, Felix Djossou, Mathieu Nacher,

From September 2013 to July 2014, several gold miners working in the tropical forest consulted the Maripasoula Health Center in French Guiana for edema and findings consistent with right-sided cardiac failure. Of the 42 cases of beriberi that were diagnosed, one patient died. The laboratory and clinical investigation demonstrated vitamin ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2017, 96(5):1248-1252]

Cited: 3 times

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A predictive score for hypotension in patients with confirmed dengue fever in Cayenne Hospital, French Guiana.

Félix Djossou, Guillaume Vesin, Narcisse Elenga, Magalie Demar, Loïc Epelboin, Gaëlle Walter, Philippe Abboud, Thierry Le-Guen, Dominique Rousset, Brigitte Moreau, Aba Mahamat, Denis Malvy, Mathieu Nacher,

Identifying patients at risk of developing severe dengue is challenging. The objective of the present study was to determine the incidence of hypotension and its predictive factors during the Dengue 2 epidemic in 2013.In 2013, a longitudinal study was performed using data from all confirmed cases of dengue seen in ... Read more >>

Trans. R. Soc. Trop. Med. Hyg. (Transactions of the Royal Society of Tropical Medicine and Hygiene)
[2016, 110(12):705-713]

Cited: 1 time

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Epidemiological assessment of the severity of dengue epidemics in French Guiana.

Claude Flamand, Camille Fritzell, Christelle Prince, Philippe Abboud, Vanessa Ardillon, Luisiane Carvalho, Magalie Demar, Rachida Boukhari, Martine Papaix-Puech, Narcisse Elenga, Dominique Rousset, Séverine Matheus, Mathieu Nacher, Philippe Quenel, Félix Djossou,

BACKGROUND:Dengue fever is the most important arboviral infection that affects humans, particularly in tropical and subtropical regions. Here, we provide the first comprehensive overview of the severity of dengue epidemics in French Guiana. METHODOLOGY/PRINCIPAL FINDINGS:We monitored hospitalized cases between 2008 and 2013. Detailed clinical features and biological parameters were collected ... Read more >>

PLoS ONE (PloS one)
[2017, 12(2):e0172267]

Cited: 7 times

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Incidence and predictive factors of transaminase elevation in patients consulting for dengue fever in Cayenne Hospital, French Guiana.

Félix Djossou, Guillaume Vesin, Gaelle Walter, Loïc Epelboin, Emilie Mosnier, Bastien Bidaud, Philippe Abboud, Antoine Okandze, Severine Mattheus, Narcisse Elenga, Magalie Demar, Denis Malvy, Mathieu Nacher,

The objective of the study was to determine the incidence of transaminase elevation during dengue, and its predictive factors.In 2013, a longitudinal study was performed using data from all cases of dengue seen in Cayenne Hospital. Cox proportional modeling was used. Signs of major transaminase elevation were defined as an ... Read more >>

Trans. R. Soc. Trop. Med. Hyg. (Transactions of the Royal Society of Tropical Medicine and Hygiene)
[2016, 110(2):134-140]

Cited: 4 times

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Q Fever in French Guiana: Tip of the Iceberg or Epidemiological Exception?

Loïc Epelboin, Mathieu Nacher, Aba Mahamat, Vincent Pommier de Santi, Alain Berlioz-Arthaud, Carole Eldin, Philippe Abboud, Sébastien Briolant, Emilie Mosnier, Margarete do Socorro Mendonça Gomes, Stephen G Vreden, Magalie Pierre-Demar, Marcus Lacerda, Didier Raoult, Elba Regina Sampaio de Lemos, Félix Djossou,

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2016, 10(5):e0004598]

Cited: 7 times

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Combined antiparasitic treatment for neurocysticercosis.

Aba Mahamat, Philippe Abboud, Magalie Demar, Daniel JeanBourquin, Félix Djossou,

Lancet Infect Dis (The Lancet. Infectious diseases)
[2015, 15(3):264-265]

Cited: 0 times

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Comparison between emerging Q fever in French Guiana and endemic Q fever in Marseille, France.

Sophie Edouard, Aba Mahamat, Magalie Demar, Philippe Abboud, Felix Djossou, Didier Raoult,

Q fever is an emergent disease in French Guiana. We compared the incidence clinical and serologic profiles between patients from Cayenne, French Guiana and Marseille in metropolitan France during a four-year period. The annual incidence of diagnosed acute Q fever was significantly higher in Cayenne (17.5/100,000) than in Marseille (1.9/100,000) ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2014, 90(5):915-919]

Cited: 14 times

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AIDS-related Pneumocystis jirovecii genotypes in French Guiana.

Solène Le Gal, Denis Blanchet, Céline Damiani, Paul Guéguen, Michèle Virmaux, Philippe Abboud, Geneviève Guillot, Stéphane Kérangart, Cédric Merle, Enrique Calderon, Anne Totet, Bernard Carme, Gilles Nevez,

The study described Pneumocystis jirovecii (P. jirovecii) multilocus typing in seven AIDS patients living in French Guiana (Cayenne Hospital) and seven immunosuppressed patients living in Brest, metropolitan France (Brest Hospital). Archival P. jirovecii specimens were examined at the dihydropteroate synthase (DHPS) locus using a PCR-RFLP technique, the internal transcribed spacer ... Read more >>

Infect. Genet. Evol. (Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases)
[2015, 29:60-67]

Cited: 5 times

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Histoplasmosis or tuberculosis in HIV-infected patients in the amazon: what should be treated first?

Mathieu Nacher, Antoine Adenis, Emilie Sambourg, Florence Huber, Philippe Abboud, Loïc Epelboin, Emilie Mosnier, Vincent Vantilcke, Julie Dufour, Félix Djossou, Magalie Demar, Pierre Couppié,

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2014, 8(12):e3290]

Cited: 9 times

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Q fever in French Guiana.

Carole Eldin, Aba Mahamat, Magalie Demar, Philippe Abboud, Félix Djossou, Didier Raoult,

Coxiella burnetii, the causative agent of Q fever, is present worldwide. Recent studies have shown that this bacterium is an emerging pathogen in French Guiana and has a high prevalence (24% of community-acquired pneumonia). In this review, we focus on the peculiar epidemiology of Q fever in French Guiana. We ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2014, 91(4):771-776]

Cited: 12 times

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Unique clone of Coxiella burnetii causing severe Q fever, French Guiana.

Aba Mahamat, Sophie Edouard, Magalie Demar, Philippe Abboud, Jean-Yves Patrice, Bernard La Scola, Antoine Okandze, Félix Djossou, Didier Raoult,

Acute Q fever is an emergent and severe disease in French Guiana. We obtained 5 Coxiella burnetii isolates from samples of patients from Cayenne and found an epidemic clone circulating in Cayenne. This clone has caused pneumonia and endocarditis and seems to be more virulent than previously described strains. ... Read more >>

Emerging Infect. Dis. (Emerging infectious diseases)
[2013, 19(7):1102-1104]

Cited: 18 times

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Autoimmune N-methyl-D-aspartate receptor encephalitis is a differential diagnosis of infectious encephalitis.

Laure Thomas, Alexandra Mailles, Virginie Desestret, François Ducray, Elodie Mathias, Veronique Rogemond, Adrien Didelot, Stéphanie Marignier, Jean-Paul Stahl, Jerome Honnorat, ,

BACKGROUND: For 60% of acute febrile encephalitis cases, the cause is unknown. Autoantibodies directed against different synaptic proteins or receptors in patients with autoimmune encephalitis have recently been described and could indicate a differential diagnosis of infectious encephalitis. OBJECTIVE: The aim of this study was to retrospectively investigate the presence ... Read more >>

J. Infect. (The Journal of infection)
[2014, 68(5):419-425]

Cited: 6 times

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Predictive factors of HTLV1-HIV coinfections in French Guiana.

Elise Gouhier, Emilie Gaubert-Maréchal, Philippe Abboud, Pierre Couppié, Mathieu Nacher,

French Guiana, the French territory most affected by human immunodeficiency virus (HIV) (1.3% of pregnant women), is also endemic for human T lymphotropic virus 1 (HTLV1). The objective of this study was to determine if the HTLV1/HIV coinfected patients had particular characteristics. All HIV-infected patients having a computerized medical file ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2013, 89(3):549-553]

Cited: 1 time

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Encephalitis due to Mycobacterium tuberculosis in France.

E Honnorat, T De Broucker, A Mailles, J P Stahl, ,

PURPOSE: Two hundred and fifty-three patients were included in a study on the etiology of encephalitis, carried out in France in 2007. Tuberculosis was the second most frequently identified cause, after HSV and with the same number of cases as VZV. The authors report the specific features of patients presenting ... Read more >>

Med Mal Infect (Medecine et maladies infectieuses)
[2013, 43(6):230-238]

Cited: 3 times

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Streptococcus suis meningitis and bacteremia in man, French Guiana.

Magalie Demar, Carine Belzunce, Christine Simonnet, Alain Renaux, Philippe Abboud, Antoine Okandze, Corrine Marois-Créhan, Felix Djossou,

Emerging Infect. Dis. (Emerging infectious diseases)
[2013, 19(9):1545-1546]

Cited: 4 times

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Epidemiology of infectious encephalitis, differences between a prospective study and hospital discharge data.

S Bernard, A Mailles, J P Stahl, ,

The French epidemiology of infectious encephalitis has been described in a 2007 prospective study. We compared these results with available data (demographic features, causative agents, case-fatality ratio) obtained through the French national hospital discharge 2007 database (PMSI), in order to evaluate it as a surveillance tool for encephalitis. Causative agents ... Read more >>

Epidemiol. Infect. (Epidemiology and infection)
[2013, 141(11):2256-2268]

Cited: 12 times

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Long-term outcome of patients presenting with acute infectious encephalitis of various causes in France.

Alexandra Mailles, Thomas De Broucker, Pascale Costanzo, Laurent Martinez-Almoyna, Véronique Vaillant, Jean-Paul Stahl, ,

BACKGROUND: A prospective study of infectious encephalitis was conducted in France in 2007. In total, 253 patients were enrolled with a proven etiological diagnosis for 52%. The cohort of surviving patients with encephalitis was assessed for sequelae and impairment 3 years after enrollment. METHODS: Patients, their family, and general practitioners ... Read more >>

Clin. Infect. Dis. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2012, 54(10):1455-1464]

Cited: 36 times

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