First report of cryptococcosis due to Cryptococcus gattii sensu stricto VGI in an Ivorian HIV negative patient.

INTRODUCTION: Cryptococcus gattii species complex is endemic to tropical and subtropical regions and is described as a causative agent of cryptococcosis in immunocompetent individuals. CASE PRESENTATION: We describe the first case of cryptococcosis in a HIV-negative patient from Ivory Coast infected by Cryptococcus gattii sensu stricto VGI. Isolates were recovered from cerebrospinal fluid (CSF) prior to systemic antifungal treatment up to 42 days after detection of the presence of yeasts in the CSF. Eighteen isolates were recovered, genetic diversity and antifungal susceptibility analyses were performed. All the isolates belonged to the Cryptococcus gattii sensu stricto (B;VGI) and were identified as a new sequence type (ST) 553 by Multilocus Sequence Typing (MLST) analyses. Susceptibility testing showed that all the strains had a wild-type phenotype for fluconazole, amphotericin B and flucytosine. Treatment with fluconazole (1200mg/day) was initiated with success. CONCLUSION: This is the first case report of the presence of C. gattii sensu stricto VGI in a HIV-negative ivorian patient and the second report of the presence of species from the C. gattii complex species in this country.

[Fluconazole 1200mg or 800mg for cryptococcal meningitis treatment in Ivory Coast]. / Fluconazole 1200mg ou 800mg dans le traitement de la cryptococcose neuroméningée en Côte d'Ivoire.

OBJECTIVE: Assessing the use of high-dose fluconazol monotherapy (1200mg or 800mg) in the treatment and prognosis of HIV-associated cryptococcal meningitis in Ivory Coast. PATIENTS AND METHODS: A retrospective study carried out from August 2008 to August 2011 based on patients charts suffering from CM in the Abidjan Tropicals and Infectious Disease Unit. Mortality rate and associated factors were analyzed. RESULTS: Forty-six cases of cryptococcal meningitis (2.5% of hospitalizations) were included. The sex-ratio was of 1.2. The median age was 40.5 [35-47] years. The symptomatology was subacute (93.5%). The main clinical symptoms were syndrome of pure meningeal irritation (65%), fever (100%); 35% of patients had encephalomeningits. Twenty-one (45.7%) was ART-naïve patients. Fluconazole 1200mg was prescribed to 29 (63%) patients. Therapeutic lumbar punctures were performed in 42 (91.3) patients. The mortality rate was 50%. Significant predictors of mortality were encephalomeningitis and therapeutic lumbar puncture. CONCLUSION: Cryptococcal meningitis associated mortality remains high despite the use of high-dose fluconazole monotherapy. Therapeutic lumbar punctures help to improving the prognosis.

Antiretroviral chemoprophylaxis in children and adolescents victims of rape in Abidjan.

OBJECTIVE: We described the use of antiretroviral drugs to prevent HIV transmission among children and adolescents victims of rape in Abidjan (Ivory Coast). MATERIALS AND METHOD: We conducted a retrospective and descriptive study on children (0-9 years) and adolescents (10-19 years) victims of rape between 2000 and 2013. We analyzed the patients' socio-demographic characteristics and the modality of the chemoprophylaxis. RESULTS: We included 10 children and 89 adolescents in the study. The median age was 16 years old (3-19 years). The median time to consultation was 23.5 hours (5-152 hours). The antiretroviral chemoprophylaxis was administered to 92 patients (93%). No HIV and HBV seroconversion was observed after a 3-month follow-up. CONCLUSION: A better management of rape victims is required in Abidjan.

Seven native cases of dengue in Abidjan, Ivory Coast.

OBJECTIVE: We had for aim to describe the epidemiological, clinical, biological, and outcome features of dengue fever in Abidjan, in 2010. PATIENTS AND METHODS: We retrospectively studied the files of patients hospitalized for dengue fever in 2010, in Abidjan. The diagnosis was made on clinical symptoms and positive dengue PCR and/or IgM. RESULTS: Seven patients were included (5 men, 2 women, median age of 51years [31-65years]). They presented with a febrile pain syndrome (n=7), jaundice (n=3), rash (n=2), and hematemesis complicated by thrombocytopenia (n=6) and leukopenia (n=5). Three patients had a positive IgM serology and 4 had a positive dengue PCR for DENV-3. The outcome was favorable for 6 patients, and 1 patient died of severe hemorrhage. CONCLUSION: The authors advocate the implementation of epidemiological surveillance of dengue and vector control in the Ivory Coast.

Syndrome inflammatoire de reconstitution immune sous la forme de cryptococcose cerebral chez un patient traite par antiretroviraux a Abidjan

Introduction : L'efficacite des traitements antiretroviraux (ARV) peut entrainer des phenomenes inflammatoires de restauration immune (IRIS) ou auto-immuns paradoxaux sous forme de pathologies infectieuses telles que la tuberculose ou la cryptococcose. Observation: Nous rapportons un cas inhabituel de syndrome inflammatoire de restauration immune sous la forme d'une cryptococcose disseminee avec des atteintes meningees et cerebrales chez un patient de 56 ans infecte par le VIH-1 qui a consulte pour un trouble de la vigilance; des crises convulsives et une hemiparesie droite. Le patient avait repondu favorablement a un traitement antifongique par fluconazole institue pour une meningite a cryptocoque un mois avant son admission. Un traitement ARV avait ete initie une dizaine de jours apres le traitement anticryptococcique. Apres deux semaines effective de traitement ARV; le tableau clinique etait marque par la reapparition des symptomes neuro-meninges et leur aggravation. L'examen a l'encre de chine du liquide cephalorachidien (LCR) mettait en evidence des spores de Cryptococcus neoformans. La recherche de l'antigene cryptococcique etait positive et la culture sur milieu de Sabouraud montrait des colonies de Cryptococcus Neoformans. L'IRM cerebrale notait de multiples lesions d'abces. L'evolution a ete fatale apres 11 jours de traitement. Conclusion : Le cryptococcome associe a l'IRIS est peu decrit en Afrique. La generalisation actuelle des ARV sur ce continent pourrait entrainer une recrudescence de cette manifestation

[Human rabies in Abidjan (Côte d'Ivoire): recent cases]. / Rage humaine à Abidjan (Côte d'Ivoire): nouvelles observations.

OBJECTIVE: To present epidemiological and clinical aspects of human rabies in a hospital center. METHOD: We analyzed medical records of cases of rabies in humans treated at the infectious disease department of the Treichville University Hospital Center from January 2005 through December 2009. RESULTS: Seven cases of human rabies were reported during those five years, four in teenagers and three in adults. Five of the cases involved bites by stray dogs whose vaccine status was unknown. No patient had had a pre-exposure prophylactic vaccination, and only four post-exposure prophylaxis, all incomplete. All of the patients developed furious rabies and fever 21 to 96 days (mean: 47.7) after the dog bite, when the wounds had healed and scars formed. Death occurred 4 to 10 days after the onset of symptoms (mean: 4.7). Relatives refused autopsies in all cases. CONCLUSION: It is indispensable to increase population awareness of prevention by vaccination against human rabies, reduce the population of stray dogs, and promote mass vaccination of dogs in the Ivory Coast.

[Antiretroviral prophylaxis after non-occupational exposure to HIV in Abidjan (Cote d'Ivoire)]. / Prophylaxie antirétrovirale après expositions non professionnelles au VIH à Abidjan (Cote d'Ivoire).

OBJECTIVE: The aim of this study was to assess the tolerability and adherence to all non-occupational post-exposure prophylaxis (PEP) for cases of HIV exposure in Abidjan. METHOD: We retrospectively studied all post-exposure prophylaxis for non-occupational exposures to HIV prescribed from January 1st, 2000 to December 31st, 2007 in the Abidjan infectious diseases department. We analyzed the types of exposure, socio-demographic characteristics of patients, antiretroviral therapy regimens, adherence and tolerability, duration of the treatment, and post-exposure follow-up. RESULTS: Over these eight years, we managed 128 consultations for non-professional exposures to HIV (50 male [39%], 78 female patients [61%]), average age 24.8 years (four-54 years). The most frequent exposures were due to rape (n=74), condom rupture (n=29), and occasional unprotected sex (n=21). The average delay before consultation was 20.8 hours. The antiretroviral chemoprophylaxis included a protease inhibitor in 93% of the cases; 80.5% of patients completed 28 days of chemoprophylaxis, while 8.6% interrupted the treatment, and 10.9% were lost to follow-up. The most frequent adverse effects were gastrointestinal, reported by 79 patients (61.7%). Only 34 patients (26.6%) returned for clinical and biological post-exposure follow-up with HIV control at third month, without documented seroconversion. CONCLUSION: Cases of sexual exposure to HIV are the main indication for post-exposure prophylaxis in Abidjan, except for occupational exposure to blood. However, post-exposure prophylaxis should be available in the units of primary care, such as emergencies departments.

[Efficiency and safety of antiretroviral treatment among the elderly in Abidjan]. / Efficacite et tolerance du traitement antiretroviral chez les sujets ages a Abidjan.

OBJECTIVE: To evaluate the efficacy of antiretroviral treatment in elderly people followed at the Unit for Infectious and Tropical Diseases at the University Hospital in Abidjan. MATERIAL AND METHODS: We performed a retrospective descriptive study of the files of people aged at least 60 years, infected by HIV who were treated and followed-up in the Unit between 1 January 1999 and 31 December 2006. We analysed sociodemographic (age, sex), clinical (weight, Karnofsky scale, CDC, opportunistic infections), biological (HIV, CD4, haemogram, glycaemia, creatininaemia, transaminasaemia) and therapeutic (antiretroviral regimens, evolution, side-effects) parameters. The efficacy of treatment was evaluated as the percentage of patients with < 200 CD4/ml, and its safety was based on deleterious effects. RESULTS: We studied 62 patients (44 men, 18 women), of whom 13 had been treated (21%), 46 had not been treated (74.2%) and 48 (77.4%) were undergoing chemoprophy-laxis with cotrimoxazole. Most were infected with HIV1 (93.6%), 3.2% with HIV2 and 3.2% with both HIV1 and HIV2. The majority (93.3%) was symptomatic, and 67.8% had AIDS. During 34 months of follow-up, 48 patients (77.4%) received first-line treatment, 13 (21%) received second-line and only one patient (1.6%) had third-line treatment. The percentage of patients with more than 200 CD4/ml increased from 20% at baseline to 36% at 6 months and 39% at 12 months. The main clinical side-effect was peripheral neuropathy (30.5%), and the main biological effect was hypertransaminasaemia > 2N (32.3%). The median rate of loss to follow-up was 17.7%, and two patients (3.2%) died. CONCLUSION: Antiretroviral treatment is effective in the elderly, with few biological disorders. A prospective study of a larger sample would elucidate the differences from younger people in the efficacy of such treatment.

[Anaemia, iron index status and acute phase proteins in malaria (Abidjan, Côte d'Ivoire)]. / Anémie, métabolisme du fer et protéines de la réaction inflammatoire au cours du paludisme (Abidjan, Côte d'Ivoire).

Clinical signs of malaria are the combined expression of several biological mechanisms. During this parasite infection, anaemia can be the consequence of several different pathogenic mechanisms. It can be an acute haemolytic anaemia due to a mechanical and immune action of the parasite or an inflammation. Besides, in Africa malaria matches with iron deficiency area. So, malarial anaemia in tropical area can be a characteristic of iron deficiency The purpose of this survey was to define the features of malarial anaemia and elucidate the link of all biological processes involved. A black population living in tropical urban areas, with fever and diagnosed Plasmodium-infection was assessed. Parasitaemia, haemoglobin, hematocrit, average corpuscular volume and average corpuscular haemoglobin were determined. For each patient, iron index status and acute phase protein were assessed with the plasmatic iron, ferritin, haptoglobin, transferrin and C-reactive protein. Regardless of gender and age, the characteristics of malarial anaemia are microcythaemia and hypochromia. Anaemia occurs as frequently as parasitaemia is high. When parasitaemia is low anaemia gets a haemolytic feature. When parasitaemia is high, anaemia gets haemolytic and inflammatory features. Anaemia occurs more often with a good iron index status.