Publications by authors named "Armel Poda"

Background: Healthcare-associated infections (HAIs) are one of the most common adverse events in healthcare and represent a major public health problem. The present study was conducted to analyze the incidence, risk factors, and outcomes of HAIs through active surveillance in three hospitals in the city of Bobo Dioulasso, Burkina Faso.

Methods: A prospective, longitudinal, multicenter study was conducted from May 1 to November 30, 2022, in two district hospitals (Do and Dafra) and the Sourô Sanou Teaching Hospital (CHUSS), Burkina Faso.

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Introduction: Adverse metabolic effects related to dolutegravir (DTG) are increasingly reported as countries are adopting DTG-based regimens as first-line antiretroviral therapy (ART), but there is limited data from sub-Saharan Africa. We explored changes in body weight pre- and post-switch to a DTG-based regimen and assessed the association between DTG switch and significant weight gain (SWG) defined as a ≥10% increase over a 12-month period in people living with HIV (PLHIV) on ART in West Africa.

Methods: We first included all PLHIV followed in the IeDEA West Africa cohorts between January 2017 and June 2021, with a documented switch to DTG during 2019-2021 and in care ≥36 months at the day of switch.

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Background: Suboptimal use of antimicrobials is a driver of antimicrobial resistance in West Africa. Clinical decision support systems (CDSSs) can facilitate access to updated and reliable recommendations.

Objective: This study aimed to assess contextual factors that could facilitate the implementation of a CDSS for antimicrobial prescribing in West Africa and Central Africa and to identify tailored implementation strategies.

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Article Synopsis
  • - The WHO recommends HPV testing for cervical cancer screening due to its high sensitivity, but further triage is needed to identify women with high-grade lesions (CIN2+) who need treatment.
  • - The ANRS-12375 study evaluated various triage methods like visual inspection (VIA) and different genotyping options in Côte d'Ivoire, Burkina Faso, and Cambodia to detect CIN2+ lesions among women living with HIV.
  • - Results showed that VIA and extended genotyping had high sensitivity (89%), with VIA also exhibiting the best specificity among the tests, making them effective options for identifying women who require treatment for CIN2+.
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  • Campylobacter spp. is a major cause of bacterial gastroenteritis worldwide, but its impact in Burkina Faso is underreported due to poor surveillance.
  • A study conducted from 2018 to 2021 analyzed fecal samples from 1,295 patients with acute gastroenteritis, using molecular techniques to identify Campylobacter species.
  • Results showed that 25% of samples tested positive for Campylobacter, predominantly in children under 5, highlighting the need for improved surveillance to monitor this public health issue.
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  • Viral gastrointestinal infections are a significant health issue in developing countries, including Burkina Faso, where limited data on the circulating viruses and their genetic diversity exist.
  • This study analyzed stool samples from 1,295 patients between 2018 and 2021, finding that 34.1% had detectable viruses, with norovirus and sapovirus being the most common.
  • The research highlights a reduction in viral prevalence but a high diversity of strains, emphasizing the need for routine surveillance and improved management strategies for diarrhea, particularly for children.
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Background: Due to the low number of individuals with HIV-2, no randomised trials of HIV-2 treatment have ever been done. We hypothesised that a non-comparative study describing the outcomes of several antiretroviral therapy (ART) regimens in parallel groups would improve understanding of how differences between HIV-1 and HIV-2 might lead to different therapeutic approaches.

Methods: This pilot, phase 2, non-comparative, open-label, randomised controlled trial was done in Burkina Faso, Côte d'Ivoire, Senegal, and Togo.

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  • - The transition to dolutegravir for over 21,000 individuals in West Africa showed varied timelines and patterns across different clinics.
  • - While there were initial differences in treatment access based on sex, these gaps narrowed over time, although some disparities remained.
  • - Key factors that aided the switch to dolutegravir included being male, under 50 years old, having viral suppression, and not being on protease inhibitor-based regimens.
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Objectives: Efforts to control the COVID-19 pandemic have potentially compromised the availability and/or quality of HIV services. We aimed to assess the pandemic's impact on antiretroviral therapy (ART) initiation and HIV viral load (VL) monitoring in 3 West African countries.

Methods: We used routinely collected data from 5 clinics contributing to the International epidemiologic Database to Evaluate AIDS collaboration in Burkina Faso, Côte d'Ivoire, and Nigeria.

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Objective: To estimate the feasibility, positivity rate and cost of offering child testing for human immunodeficiency virus (HIV) to mothers living with HIV attending outpatient clinics in Burkina Faso.

Methods: We conducted this implementation study in nine outpatient clinics between October 2021 and June 2022. We identified all women ≤ 45 years who were attending these clinics for their routine HIV care and who had at least one living child aged between 18 months and 5 years whose HIV status was not known.

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Background: Exposure to antibiotics has been shown to be one of the drivers of antimicrobial resistance (AMR) and is critical to address when planning and implementing strategies for combatting AMR. However, data on antibiotic use in sub-Saharan Africa are still limited. Using hospital-based surveillance data from the African Network for Improved Diagnostics, Epidemiology and Management of Common Infectious Agents (ANDEMIA), we assessed self-reported antibiotic use in multiple sub-Saharan African countries.

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  • - The study investigated the presence of antibiotic-resistant genes (ESBL and carbapenemase) in environmental bacteria from two locations in Bobo-Dioulasso, Burkina Faso, focusing on samples from a hospital and a wastewater treatment facility.
  • - Out of 180 bacterial isolates collected, 100% were found to produce extended-spectrum beta-lactamases (ESBLs), while 10% produced carbapenemases, with Klebsiella species being the most commonly identified bacteria.
  • - Results indicated a significant prevalence of the bla-CTX-M resistance gene, particularly from hospital effluents, suggesting a critical need for effective treatment systems for hospital waste to manage the spread of antibiotic-resistant bacteria in urban areas.
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Background: Overwhelming evidence highlights the negative impact of substance use on HIV care and treatment outcomes. Yet, the extent to which alcohol use disorder (AUD) and other substance use disorders (SUD) services have been integrated within HIV clinical settings is limited. We describe AUD/SUD screening and treatment availability in HIV clinical sites participating in the International epidemiology Databases to Evaluate AIDS (IeDEA) consortium.

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  • - Tuberculosis (TB) is a major global health issue, especially for people living with HIV, who face high rates of TB-related illness and death, and survivors may experience post-TB lung disease.
  • - The TB Sentinel Research Network (TB-SRN) is set to conduct a study involving 2600 individuals aged 15 and older, both with and without HIV, to evaluate TB treatment outcomes across 16 sites in 11 countries, collecting extensive health-related data over 12 months.
  • - The study has received ethical approval, ensuring participant safety and informed consent procedures, and aims to share its findings with national TB programs to shape future TB policies and practices globally.
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Background: While recognized as a key HIV prevention strategy, preexposure prophylaxis (PrEP) availability and accessibility are not well documented globally. We aimed to describe PrEP drug registration status and the availability of PrEP services across HIV care sites participating in the International epidemiology Databases to Evaluate AIDS (IeDEA) research consortium.

Methods: We used country-level PrEP drug registration status from the AIDS Vaccine Advocacy Coalition and data from IeDEA surveys conducted in 2014, 2017 and 2020 among participating HIV clinics in seven global regions.

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In Burkina Faso, the health system is characterized by systemic insufficient and antiquated health-care infrastructures. Consequently, few health-care establishments have the required resources to diagnose and manage patients with COVID-19, and fewer still have intensive care facilities for severely ill patients with COVID. Furthermore, there is a widespread scarcity of qualified health-care staff.

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Background: This study aimed to estimate the anti-SARS-CoV-2 antibody seroprevalence in the general population of Bobo-Dioulasso and Ouagadougou (Burkina Faso).

Methods: We collected from March to April 2021 blood samples from randomly selected residents in both main cities based on the World Health Organization (WHO) sero-epidemiological investigations protocols and tested them with WANTAI SARS-CoV-2 total antibodies enzyme-linked immunosorbent assay (ELISA) kits intended for qualitative assessment. We also recorded participants' socio-demographic and clinical characteristics and information on exposure to SARS-CoV-2.

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Timely diagnosis of Pulmonary Tuberculosis (PTB) is associated with good prognosis, but remains difficult in primary healthcare facilities and particularly in children and patients living with HIV. The aim of this study was to compare the GeneXpert ® MTB/RIF assay (Xpert) performed using a stool sample (3-5 g) and using the first Respiratory Tract Sample (RTS; i.e.

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Patient experiences and perspectives on trial participation and follow-up may influence their compliance with research procedures or negatively impact their well-being. We aimed to explore the acceptability and feasibility of home-based and hospital-based follow-up modalities among COVID-19 patients enrolled in the ANTICOV ANRS COV33 Coverage-Africa trial in Burkina Faso and Guinea. The trial (2021-2022) evaluated the efficacy of treatments to prevent clinical worsening among COVID-19 patients with mild to moderate symptoms.

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Article Synopsis
  • The study investigated the presence of anti-SARS-CoV-2 IgG antibodies among people living with HIV (PLWHIV) in Burkina Faso within the first year of the COVID-19 outbreak, focusing on various risk factors.
  • A total of 419 plasma samples were examined, revealing a seroprevalence rate of 31% for anti-SARS-CoV-2 IgG, with no participants vaccinated during the sample collection period.
  • Findings indicated that individuals on integrase inhibitors had a higher likelihood of SARS-CoV-2 infection compared to those on non-nucleoside reverse transcriptase inhibitors, highlighting the need for further research on the implications of HIV treatment regimens in the context of COVID-19.
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Background: Early data on COVID-19 (based primarily on PCR testing) indicated a low burden in Sub-Saharan Africa. To better understand this, this study aimed to estimate the incidence rate and identify predictors of SARS-CoV-2 seroconversion in the two largest cities of Burkina Faso. This study is part of the EmulCOVID-19 project (ANRS-COV13).

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Introduction: antiretroviral therapy enables the suppression of the plasma viral load and the restoration of immune responses. Therapeutic failures are still observed in patients living with HIV despite the considerable benefits of antiretroviral therapy. This study aimed to describe the long-term evolution of immunological and virological parameters in patients undergoing treatments for HIV-1 at the Day Hospital of Bobo-Dioulasso in Burkina Faso.

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Background: An issue of particular concern is the impact of the 2019 novel coronavirus (2019 nCOV) on the people coinfected with the Human Immuno-deficiency Virus (HIV) and/or tuberculosis (TB). Unfortunately, this interaction has not been well explored in African despite the large proportion of these risk populations living with HIV and/or patients and/or tuberculosis (TB) in the African region. This study aims to design a research protocol for assessment of the impact of coronavirus disease 2019 (COVID-19) on these risk populations in response to COVID-19 strategic plans in Burkina Faso by generating serological, epidemiological, virological, clinical and socio-anthropological evidence-based data.

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Objectives: To explore communities' perceptions about COVID-19 in the context of the ANRS COV33 Coverage-Africa clinical trial evaluating the efficacy of treatments in preventing clinical worsening of COVID-19.

Design: Descriptive qualitative study using semistructured in-depth individual interviews conducted by telephone in French and Soussou between May and September 2021. Data were transcribed, translated in French when applicable and analysed with the thematic analysis method.

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