Prevalence of lung function impairment in cured pulmonary tuberculosis patients in Cotonou, Benin.

SETTING: National teaching hospital for the management of respiratory diseases, Cotonou, Benin. OBJECTIVE: 1) To estimate the prevalence of lung function impairment (LFI) and associated factors in patients cured of pulmonary tuberculosis (PTB); and 2) to determine the link between human immunodeficiency virus (HIV) infection and LFI occurrence. DESIGN: We performed a cross-sectional study in cured patients with smear-positive TB (PTB+) treated between 2012 and 2015. We recruited two control groups of 70 HIV-infected (HIV+/TB-) and 70 HIV-negative participants without TB (HIV-/TB-). We performed spirometry in all participants to identify LFI (obstructive, restrictive or mixed) and the 6-min walk test (6-MWT) in PTB+ participants. We assessed the factors associated with LFI using logistic regression. RESULTS: Of 4711 subjects with PTB, 241 were contacted and 189 were included. The median age was 37 years; 128 (68.0%) were male. Overall, 85 cured PTB+ patients had LFI (45.0%). Extent of initial radiological lesions, time between symptom onset and treatment, and female sex were independently associated with LFI. Fifty-five (29.1%) cured PTB+ patients had an abnormal 6-MWT; those with LFI had a higher risk of poor exercise tolerance (OR 2.23; interquartile range 1.16-4.30). We did not find any association between HIV infection and LFI. CONCLUSION: LFI is very common in cured PTB+ patients from Benin and significantly impacts exercise tolerance.

Therapeutic status of HIV-infected patients with at least 5 years of follow-up for antiretroviral therapy in a resource-limited setting: the experience of the CNHU ambulatory treatment center in Cotonou, Benin.

OBJECTIVES: The aim of this study was to describe the therapeutic situation of patients who had been followed up for antiretroviral therapy for at least 5 years. PATIENTS AND METHODS: A retrospective and descriptive study reviewed records of the historical cohort of adults infected with HIV in the national and teaching hospital at Cotonou from January 2, 2002, to March 31, 2013. It included all patients with follow-up for ART for at least five years. Immunological success was defined as a CD4 count above 350 cells/µl at the last test during the study period, and therapeutic success by viral load determined to be undetectable at its last measurement. Data were extracted from the updated ESOPE. STATA 11 software was used for data analysis. RESULTS: In March 2013, 979 patients, accounting for 27.1% of the overall cohort at the site, had been followed up for at least 5 years for ART. Their mean age was 38.1 ± 9.6 years and the sex-ratio (M/F) was 0.7. Analysis showed that 12.3% had been lost to follow-up, 2.3% had died, and 83.6% remained in treatment. The mean CD4 count at treatment initiation was 113.4±90.7 cells/µl, at 5 years 566.6±355.2 cells/µl, and at 10 years, 557.5±311.2 cells/µl. More than half (56.1%) of patients were treated with a first-line ART combination. Immunological success was reported for 63.2% of the patients. Of the 144 patients with a last viral load available, the therapeutic success rate was 76.4%. The probability of survival was 0.95 at 5 years and 0.91 at 10 years. CONCLUSION: Improving the quality and continuity of care can help to ensure short-term survival for PLHIV under a first-line ART treatment in resource-limited countries.

A Behavioral and Serological Survey on HIV Prevalence Among Prisoners in Benin.

Cases of HIV are common in Benin, with infection rates varying according to socioeconomic and cultural factors, and by region. Certain segments of the population, such as prison inmates, sex worker clients and truck drivers are at high risk for HIV/AIDS. The aim of this study is to identify which behavioral and serological indicators contribute to the spread of HIV among prisoners. A total of 496 inmates from prisons located in all major cities in Benin were surveyed. Data was collected through interview sessions carried out using a questionnaire and through blood samples. The results show that most inmates are Beninese (83.5%), and the average age is 33 years (range: 14-80 years). No prisoner reported using a condom the last time they engaged in sexual intercourse. Blood exposure was found in 14.6% of inmates and HIV was detected in 1.4% of cases. Our analysis indicates that the length of detention and gender are factors that influence HIV status. However, age, education, nationality and HIV awareness had no significant effect on HIV prevalence among inmates. The results highlight the need to raise awareness in prisons about HIV. This can be achieved by strengthening communication strategies and by organizing HIV and sexually transmitted diseases information sessions for both prison officers and inmates.

Changes in viral hepatitis B screening practices over time in West African HIV clinics.

BACKGROUND: We aimed to describe changes in hepatitis B screening practices over a 3-year period among HIV-infected patients in West Africa. METHODS: A medical chart review was conducted in urban HIV treatment centers in Ivory Coast (3 sites), Benin, Burkina Faso, Senegal, and Togo (1 site each). Among patients who started antiretroviral treatment between 2010 and 2012, 100 per year were randomly selected from each clinic. Demographic, clinical, and laboratory data was collected using a standardized questionnaire. We assessed changes in the proportion of patients screened over time and identified predictors of screening in a multivariable logistic regression. RESULTS: A total of 2097 patients were included (median age: 37 years, 65.4% of women). Overall, 313 (14.9%) patients had been screened for hepatitis B, with an increase from 10.6% in 2010 to 18.9% in 2012 (P<0.001) and substantial differences across countries. In multivariable analysis, being aged over 45 years (adjusted odds ratio: 1.34 [1.01-1.77]) and having an income-generating activity (adjusted odds ratio: 1.82 [1.09-3.03]) were associated with screening for hepatitis B infection. Overall, 62 HIV-infected patients (19.8%, 95% confidence interval: 15.5-24.7) were HBsAg-positive and 82.3% of them received a tenofovir-containing drug regimen. CONCLUSION: Hepatitis B screening among HIV-infected patients was low between 2010 and 2012. The increasing availability of HBsAg rapid tests and tenofovir in first-line antiretroviral regimen should improve the rates of hepatitis B screening.

[Prevalence and factors associated with cryptococcal antigenemia in HIV-infected patients in Cotonou/Benin]. / Prévalence de l'antigénémie cryptococcique et les facteurs associés chez les patients infectés par le VIH à Cotonou au Bénin.

OBJECTIVE: Determine the prevalence of cryptococcal antigenemia and associated factors in HIV-infected patients in Cotonou in order to introduce systematic screening in national guidelines. PATIENTS AND METHODS: This is a cross-sectional, descriptive and analytical study conducted from June to September 2015 in four outpatient treatment centers with adult patients infected with HIV, receiving or not antiretroviral treatment with a number of CD4≤200cell/µL and who have given their informed consent to participate in the study. For each enrolled patient, after signing the informed consent form, it was made a clinical examination and administration of a questionnaire to collect general information, treatment and biological data. Then a blood sample for counting CD4 lymphocytes and the search of cryptococcal antigenemia were done. RESULTS: In total, 355 patients were included in the study with a mean age of 40±10.2years. The overall prevalence of cryptococcal antigenemia is 1.7%. All patient with cryptococcal antigenemia have a CD4 count below 100cells/µL with a majority having CD4 count below 50cells/µL. Body mass index<18.5kg/m2, an alteration of the general condition with a CD4 lymphocyte counts<50cells/µL are the main factors associated with the occurrence of cryptococcal antigenemia. CONCLUSION: This pilot study showed a low prevalence of cryptococcal antigenemia in the study population, but higher in highly immuno-deficient patients with CD4 counts<50cells/µl. Given the results obtained, the introduction of routine screening among patients infected with HIV could be reserved to those with CD4 counts<50cells/µl.

[Use of dried blood spots in early diagnosis of HIV-1 infection in children born to HIV-infected mothers as part of the prevention of mother-to-child transmission in Benin]. / Utilisation des prélèvements capillaires sur buvard dans le diagnostic précoce de l'infection à VIH-1 chez des enfants nés de mères infectées dans le cadre de la prévention de la transmission mère-enfant au Bénin.

The goal of this study was to evaluate using the molecular diagnosis, infection transmission rate of HIV in children born to HIV-1 positive mothers as part of the prevention of mother-to-child transmission (PMTCT) in Benin. The sample consisted of 524 dried blood spots (DBS) of children born to HIV-1 positive mothers, from 30 sites (PMTCT) taken between October 2009 and June 2010. The diagnosis of HIV-1 was performed by the qualitative detection of viral nucleic acids (RNA and DNA) in DBS on filter paper using the Abbott RealTime(®) HIV-1 Qualitative assay. We found that 51 DBS were positive (9.7%) and 473 were negative (90.3%). The failure rate of PMTCT among 420 mothers who received antiretroviral prophylaxis was 6.7% (28/420). This failure rate was significantly higher among children born to infected mothers on antiretroviral monotherapy than on triple therapy (HAART). The results of our study enrich the data in the literature on highly active antiretroviral chemoprophylaxis to reduce the transmission of HIV-1 from mother to child.

[Time trends in demographic and clinical characteristics of adult patients on HAART initiation in West Africa]. / Evolution des conditions d'initiation du traitement antirétroviral des patients infectés par le VIH en Afrique de l'Ouest.

OBJECTIVE: We studied the evolution of drug combinations used, as well as the clinical and immunological profile of patients at initiation of highly active antiretroviral therapy (HAART) between 1996 and 2006 in West Africa. SETTINGS AND METHOD: IeDEA West Africa is a network of HIV care programs established in 2006. We analyzed data from 12 clinical centers treating adults in five countries: Benin, Cote d'Ivoire, Senegal, Gambia, and Mali. Patients 16 years of age or over were included in the study and the following was documented: sex, date of birth and date of initiation of HAART. RESULTS: We included 14,496 adult patients having started HAART, among these 55 % had started HAART between 2005-2006. The proportion of HIV-infected women increased from 46 % in 1996-2000 to 63 % in 2005-2006. The median age at HAART initiation remained constant: 35 years for women and 40 years for men. The proportion of patients having started HAART with a CD4 count<200 cells/microl was 54 % in 1996-2000, and 64 % in 2005-2006. The most frequently prescribed HAART was: AZT/3TC (or d4T/DDI)/IDV (27 %) in 1996-2000; d4T (or AZT)/3TC/EFV (49 %) in 2003-2004, and d4T/3TC/NVP (49 %) in 2005-2006. CONCLUSION: The first line HAART regimen recommended by WHO was initiated in 83 % of cases in 2005-2006. New approaches to an earlier initiation of ART should be explored to reduce mortality in HIV-infected patients on HAART.

[Mitochondrial toxicity: a case of palpebral ptosis in a woman infected by HIV and treated with HAART including zidovudine]. / Toxicit mitochondriale: cas d'un ptosis palpebral de l'oeil gauche chez une patiente infectée par le VIH sous trithérapie antirétrovirale comportant de l'AZT.

The usual clinical feature of mitochondrial toxicity is proximal myopathy. We present the report case of palpebral ptosis which occurred under zidovudine therapy The symptom remission was obtained by stopping the antiretroviral therapy. This involves an important vigilance from both doctor and patient.

[Undesirable effect of antiretroviral drugs in patients infected with HIV at Cotonou Benin]. / Effets indésirables des thérapies antirétrovirales observés chez les patients infectés par le VIH à Cotonou, Bénin.

OBJECTIVES: Evaluate the tolerance of highly active antiretroviral therapy (HAART) on PLWHA treated in Cotonou to improve the quality of their follow up. METHODS: Retrospective study among PLWHA aged > or = 15 years, treated by HAART during the period February 2002 - January 2004 and who respond to one or more consultation of follow up. Adverse effects (AE) revealed by patients or noticed by the physician are analyzed. RESULTS: The study on 130 PLWHA, revealed 62,3% receiving HAART with nonnucleoside reverse transcription inhibitor and 37,7% with protease inhibitor. 75,4% presented one or more AE. Those AE were severe for 4,6% (6 patients). The frequency of AE was significantly different by drugs used. The most common events were neurosensorial (64,6%), digestive (34,6%) and dermatologic (14,6%). 2/3 of PLWHA presented AE within the first fifteen days of treatment. The patients were compliant. Only one patient stopped voluntary the treatment. CONCLUSION: The frequency and the type of AE occurred predispose patients to the non observance. Their follow up must therefore include education and surveillance guided by the profile of AE identified.

[Morbidity of diabetic foot in Internal Medicine CNHU HKM, Cotonou]. / Morbidite du pied diabetique en medecine interne au CNHU HKM de Cotonou.

The diabetes and its complications appear increasingly frequent in our medical practice. We fixed ourselves for objectives to determine the frequency of the foot diabetic in Internal Medicine at Cotonou, to count the factors etiopathogenic responsible for the lesions and to describe the clinical aspects of the lesions. We carried out a retrospective study on the 420 diabetics hospitalized of January 1, 1995 to December 31, 1999. The frequency of the foot diabetic was 16.66%, the average age of the patients 60 years and the sex ratio 2.04. The diabetes of the type 2 was most frequent (71.4%). The traumatisms were the supporting factors most often found (32.86%). The lesions were in majority (38.57%) at the stage V of the classification of Wagner. On the therapeutic level, the amputations were frequent (20%) especially the amputations of legs. The installation of medical team of education for the assumption of responsibility of the diabetes and the prevention of the complications appears essential.

[Clinical and immunological profile of HIV infected patients in Cotonou, Benin]. / Profil clinique et immunologique des patients infectés par le VIH dépistés à Cotonou, Bénin.

OBJECTIVES: This study had for aim to identify the clinical status and the level of immuno-deficiency of HIV-infected patients on their first visit. METHODS: One hundred and thirty-six HIV+ patients were prospectively evaluated from November 1, 2001 to May 31, 2002. RESULTS: One hundred and thirty-four were infected with HIV1 and two with HIV2. The mean age on the first consultation was 37 +/- 2 years. The m/w sex ratio was 0.9. 46.3% were stage C. The main clinical symptoms were: weight loss (88%), fever (80%), cough (71%), diarrhea (51%). BMI was normal in 70% and KI > or =80% in 57% of the cases but immuno-deficiency was severe with CD4 cells count <200 per mm3 in 69%. The main diseases were digestive candidiasis (53%), pneumonia (18%), tuberculosis (12%), non-determined pneumonia (29%), prurigo (20%), zona (16%), cryptosporidiosis (4%), cerebral toxoplasmosis (3%), and Kaposi's sarcoma (1%).