Publications by authors named "J Bonaventure Uwineza"

Pre-Exposure Prophylaxis (PrEP) is recommended as an HIV prevention measure for men who have sex with men (MSM). We assessed factors associated with PrEP retention and adherence among MSM in Kigali, Rwanda. We undertook a retrospective cross-sectional study and used a questionnaire to obtain PrEP retention and adherence history from MSM enrolled in the key population (KP) program that attended scheduled follow-up clinics from four (4) health facilities between April 2021 to June 2021.

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Article Synopsis
  • Pre-Exposure Prophylaxis (PrEP) is crucial for preventing HIV among high-risk individuals, yet many female sex workers (FSW) in Kigali, Rwanda, struggle with long-term adherence to the medication.
  • A study analyzing 309 FSW's health records found that retention rates dropped significantly over 12 months, with only 53% remaining on PrEP by the end of the period.
  • Factors that improved retention included a desire for more children and the use of hormonal or non-condom contraceptive methods, while inconsistent or non-use of condoms negatively affected adherence.
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This article provides a comprehensive analysis of the impact of the increasing number of measurements and the possible increase in the number of faults in multi-constellation Global Navigation Satellite System (GNSS) Receiver Autonomous Integrity Monitoring (RAIM). Residual-based fault detection and integrity monitoring techniques are ubiquitous in linear over-determined sensing systems. An important application is RAIM, as used in multi-constellation GNSS-based positioning.

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Article Synopsis
  • The study focuses on developing an AI system that automatically recognizes key anatomical landmarks during Trans Abdominal Pre Peritoneal (TAPP) hernia repair surgeries, enhancing dissection quality assessment.
  • A deep neural network was trained on 130 surgical videos to identify critical structures like the pubic symphysis and iliac vein, with performance evaluated on a separate set of 30 videos.
  • Results showcased a mean accuracy of 77.1% in video evaluations and significant agreement among surgeons on the landmark annotations, indicating the AI system's effectiveness and reliability.
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Introduction: Regional anesthesia is a safe alternative to general anesthesia. Despite benefits for perioperative morbidity and mortality, this technique is underutilized in low-resource settings. In response to an identified need, a regional anesthesia service was established at the University Teaching Hospital of Kigali (CHUK), Rwanda.

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