Conectar
by Bwambale Jonani, Emmanuel Charles Kasule, Bwire Roman Herman, Joel Fredrick Arturo, Mwesigwa Calvin Mugambwa, Ssebulime Stephen, John Bosco Mundaka, Richard Kwizera, Gerald Mboowa, Felix Bongomin
IntroductionSickle Cell Anemia (SCA) is a significant genetic disorder in Africa; however, comprehensive data on its prevalence and geographic distribution remain limited. We aimed to estimate the pooled prevalence of SCA (HbSS) in African populations and examine regional, demographic, and temporal variations from 1994–2024.
MethodsWe systematically searched PubMed, Scopus, Google Scholar, and BASE databases for studies reporting SCA prevalence in African populations. Screening and quality assessments were performed using JBI tools. A random-effects meta-analysis with logit transformation was performed, with subgroup analyses by region, age, sex, and study design. Meta-regression explored heterogeneity sources, including geographic region, age category, diagnostic method, study design, and publication year.
ResultsFrom 115 studies with 1,203,839 participants and 17,458 confirmed HbSS cases, the pooled prevalence was 1.43% (95% CI: 1.08%–1.88%), with substantial heterogeneity (I2 = 99.1%) and a prediction interval of 0.21%–8.91%. Central Africa showed the highest prevalence (1.99%), and Southern Africa showed the lowest (0.59%). Children exhibited a higher prevalence (1.65%) than adults (0.45%), while sex differences were non-significant (males 2.71%, females 1.74%; p = 0.694). The prevalence has remained stable over three decades despite a six-fold increase in research output, although wide prediction intervals indicated substantial between-study variability. Electrophoretic techniques predominated (86.4% of cases). Diagnostic method (χ² = 16.73, p = 0.033) and age category (χ² = 33.66, p 2 = 98.6%). Leave-one-out sensitivity analysis showed that no single study significantly impacted the pooled estimates.
ConclusionSCA represents a substantial and geographically variable public health challenge across Africa. These findings highlight the need for region-specific interventions, expanded newborn screening programs, improved diagnostic accessibility with quality assurance for point-of-care technologies, and continued surveillance to address geographic gaps.
The expenses associated with cancer treatment are increasing at a rapid pace. The financial strain of providing care is experienced worldwide, but is particularly pronounced in low and middle-income countries (LMICs). This has resulted in a growing acknowledgement of the importance of value-based cancer care. Choosing Wisely Africa (CWA) is an initiative aimed at reducing the excessive use and expenses associated with cancer treatment. In this study, we assessed adherence to CWA recommendations for the treatment of breast cancer in three high-volume cancer centres in Sub-Saharan Africa (SSA).
A cross-sectional study across Rwanda, Ghana and Tanzania was conducted, involving a review of medical records to assess adherence to five measurable CWA practices in breast cancer care. The study used inferential statistics, such as 2 tests, to compare adherence among these countries.
This study was conducted in three cancer centres (Ocean Road Cancer Institute, Rwanda Military Hospital and Korle Bu Teaching Hospital) in three countries (Tanzania, Rwanda and Ghana, respectively).
A total of 542 patients were recruited. Eligible patients were those with a breast cancer diagnosis and complete data as pertaining to five CWA recommendations.
A total of 542 participants with a mean age of 51 years were included. Participants were well distributed across Ghana (37%), Rwanda (34%) and Tanzania (29%). Female patients represented 97% of the study cohort. Half (51%) of the participants had some form of insurance. The study observed high adherence to cancer staging (94%) before treatment and histological confirmation (91%) before breast lump removal across all sites. Hypofractionation was used in 0% of cases in Rwanda, 42% in Ghana and 70% in Tanzania.
This study provides critical insights into the implementation of CWA recommendations in breast cancer care in SSA. It highlights the disparities in adherence to CWA recommendations across different centres, showing the need for policy-driven changes and healthcare infrastructure improvement to standardise cancer care practices in LMICs.
by Patrick Kwizera, Richard Migisha, Hannington Katumba, Esther Nabatta, Samuel Gidudu, Benon Kwesiga, Job Morukileng, Lilian Bulage, Alex Riolexus Ario
BackgroundAnthrax is a zoonotic disease that remains endemic in Uganda, particularly in cattle-keeping areas. On December 28, 2023, the first suspected human case of anthrax was detected in Amudat District. We investigated to determine the outbreak’s magnitude, identify risk factors, and recommend prevention and control measures.
MethodsWe defined a suspected cutaneous anthrax case as acute onset of ≥2 of the following: skin lesions (papule, vesicle, or eschar) on exposed areas such as the hands, forearms, shoulders, back, thighs or face, localized itching, redness, swelling, or regional lymphadenopathy, in Amudat residents from December 2023–June 2024.A confirmed case was a suspected case with PCR-positive test for Bacillus anthracis. In unmatched case-control study (1:3 ratio), we compared exposures among 40 cases and 120 controls. We identified cases through house-to-house search, medical record reviews, and snowballing among case-persons. Human and animal samples were collected and tested, alongside an environmental assessment. We used multivariable logistic regression to identify associated risk factors.
ResultsWe identified 102 cutaneous anthrax cases, including 7 confirmed cases; none died. The outbreak lasted 7 months, peaking in March 2024, with an overall attack rate of 169/100,000 (males: 196/100,000; females: 138/100,000). Use of cattle hides as bedding (OR=12; 95% CI:2.7–52) and butchering cattle carcasses (OR=6; 95% CI:1.8–19) were significantly associated with anthrax. The highest infection risk was observed among individuals with multiple exposures: butchered only (OR = 6.9, 95% CI:2.6–18), butchered and carried cattle parts (OR = 11, 95% CI:1.2–96), butchered and skinned (OR = 14, 95% CI:3.5–56), and butchered, carried, and skinned (OR = 17, 95% CI:1.6–219). No livestock had been vaccinated prior to the outbreak.
ConclusionThe outbreak was associated to use of cattle hides as bedding and the butchering of cattle carcasses. We recommended community education, livestock vaccination, and safe carcass handling to prevent future outbreaks.
FreshRSS 