Background Buruli ulcer is a neglected tropical disease caused by Mycobacterium ulcerans infection that damages the skin and subcutis. It is most prevalent in western and central Africa and Australia. Standard antimicrobial treatment with oral rifampicin 10 mg/kg plus intramuscular streptomycin 15 mg/kg once daily for 8 weeks (RS8) is highly effective, but streptomycin injections are painful and potentially harmful. We aimed to compare the efficacy and tolerability of fully oral rifampicin 10 mg/kg plus clarithromycin 15 mg/kg extended release once daily for 8 weeks (RC8) with that of RS8 for treatment of early Buruli ulcer lesions. MethodsWe did an open-label, non-inferiority, randomised (1:1 with blocks of six), multicentre, phase 3 clinical trial comparing fully oral RC8 with RS8 in patients with early, limited Buruli ulcer lesions. There were four trial sites in hospitals in Ghana (Agogo, Tepa, Nkawie, Dunkwa) and one in Benin (Pobè). Participants were included if they were aged 5 years or older and had typical Buruli ulcer with no more than one lesion (caterories I and II) no larger than 10 cm in diameter. The trial was open label, and neither the investigators who took measurements of the lesions nor the attending doctors were masked to treatment assignment. The primary clinical endpoint was lesion healing (ie, full epithelialisation or stable scar) without recurrence at 52 weeks after start of antimicrobial therapy. The primary endpoint and safety were assessed in the intention-to-treat population. A sample size of 332 participants was calculated to detect inferiority of RC8 by a margin of 12%. This study was registered with ClinicalTrials.gov, NCT01659437.
Introduction: This study aimed to provide an overview of the research involving exercise training programs in cardiac rehabilitation programs in Sub-Saharan Africa (SSA). Methods: Relevant articles were searched in PubMed, LILACS, Web of Science, and Google Scholar using the keywords and medical subject headings Cardiac Rehabilitation AND Africa South of the Sahara AND (Exercise OR "Exercise therapy" OR "Exercise Movement Techniques"), without limitation concerning the publication date. To be included in the full analysis, the study had to be a controlled clinical trial designed and conducted in SSA, in which patients with cardiovascular diseases (CVD) carried out an exercise training program. Results: The searches resulted in 53 articles, of which 4 met all the inclusion criteria. The trials involved 374 participants with different cardiovascular diseases. The protocols used consisted of aerobic and combined (aerobic and resistance) training programs. Training sessions lasted up to 60 minutes and were held 3 times per week for 8-12 weeks at different training intensities throughout the studies. Conclusions: The current study shows that aerobic and combined training are effective in promoting beneficial effects on various cardio-respiratory variables in CVD patients. However, the effects of training programs on patients with CVD remains insufficiently investigated in SSA. Moreover, there is a lack of studies aiming to design exercise training programs that take into account the socioeconomic challenges of the SSA region in the management of the main CVD.
Basidiobolomycosis is a subcutaneous mycosis, for which non-specific clinical presentation can be a source of diagnostic wandering. A 5-year-old girl was brought for consultation with chronic ulcers of the pelvic limbs evolving for 8 months. The lesions started when the girl was 18 months old with a painless, pruritic nodule of the right buttock, indurated placard following progressive extension to the pelvic limbs, back and abdomen, and secondarily ulcerated in several places. On examination, there was an alteration of the general condition, a large, indurated and erythematous plaque, with sharp edges. On this plaque, there were nodular lesions and necrotic ulcers, with detached margins. The left knee was blocked in flexion. Ziehl staining and polymerase chain reaction for Mycobacterium ulcerans were negative. The histopathological picture was suggestive of basidiobolomycosis. The evolution was favorable after giving her ketoconazole (100mg per day) for 14 weeks associated with surgery and physiotherapy. This clinical case confirms the difficulties in diagnosing basidiobolomycosis, especially in endemic areas of Buruli ulcer.
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