IntroductionNoncommunicable diseases (NCDs) are a major public health threat, particularly in developing countries. In sub-Saharan Africa, the scarcity of reliable data on NCDs in the general population makes it difficult to develop efficient prevention strategies. The objective of this cross-sectional study was to assess the prevalence of 4 cardiometabolic NCDs among 402 private-sector workers in Dakar, Senegal: high blood pressure (HBP), diabetes, obesity, and chronic kidney disease (CKD).MethodsWe collected demographic, clinical, and biological data for each worker during routine occupational health visits between September 1 and November 30, 2010. Multivariate analyses were performed to identify risk factors associated with NCDs.ResultsAmong the 402 study participants, 24.1% had HBP, 9.7% had diabetes, 16.7% were obese, and 22.4% had CKD. About half of participants (48.5%) were not aware of their diseases before the screening. Univariate analysis showed that age was significantly associated with blood pressure, fasting blood glucose, and renal function. After adjusting for age and sex, systolic blood pressure was correlated with renal function, and physical inactivity was significantly associated with obesity.ConclusionDespite its small sample size, our study provides a perspective on the extent of cardiometabolic NCDs in Senegalese workers. Our study also suggests that targeted screening activities focusing on socio-professional groups may be helpful in the absence of national integrated prevention programs.
IntroductionAccording to the WHO, 50% of deaths worldwide (40.1% in developing countries) are due to chronic non-communicable diseases (NCDs). Of these chronic NCDs, cardiovascular diseases remain the leading cause of death and disability in developed countries. The Framingham study has shown the importance of hypercholesterolemia as a primary risk factor. In Senegal, the epidemiology of dyslipidemia and obesity are still poorly understood due to the lack of comprehensive studies on their impact on the general population. This motivated this study to look into the key epidemiologic and socio-demographic determinants of these risk factors.MethodsIt was a cross-sectional descriptive epidemiological survey which included 1037 individuals selected by cluster sampling. Data were collected using a questionnaire following the WHO STEPwise approach. Socio-demographic, health and biomedical variables were collected. P value <0.05 was considered to be statistically significant.ResultsThe average age was 48 years with a female predominance (M: F of 0.6). The literacy rate was 65.2% and 44.7% of participants were from rural areas. The prevalence of hypercholesterolemia, hyperLDLemia, hypoHDLemia, hypertriglyceridemia and mixed hyperlipidemia were 56%, 22.5%, 12.4%, 7.11% and 1.9% respectively. One in four was obese (BMI> 30kg/m2) and 34.8% had abdominal obesity. The main factors significantly associated with dyslipidemia were obesity, urban dwelling, physical inactivity and a family history of dyslipidemia.ConclusionThe prevalence of dyslipidemia, obesity and other risk factors in the population was high needing immediate care for those affected and implementation of prevention strategies.
Medicinal plants are widely used as a first-line therapy for hypertension, often without comparative clinical data. A prospective, randomized controlled trial was conducted to assess efficacy of Combretum micranthum (kinkeliba) and Hibiscus sabdariffa (bissap), in the galenic form of capsules of plant powder, on blood pressure in adult patients with non-complicated hypertension ( > 140/90 mm Hg). One hundred and twenty five patients were randomly allocated into group 1 (kinkeliba leaves 190 mg × 2/day), or group 2 (bissap calyx 320 mg × 2/day), or group 3 (ramipril 5 mg /day) during four consecutive weeks. Blood and urinary samples were collected on day 0 and 28 while patients' blood pressure was measured weekly. In all three groups SBP and DBP decreased over 3 weeks of treatment (P < 0.001). For SBP, mean decrease was higher with ramipril (-16.7 ± 8.4 mm Hg) than with kinkeliba (-12.2 ± 6.6 mm Hg, P = 0.016) and bissap (-11.2 ± 3.3 mm Hg, P = 0.001). For DBP, mean decrease with ramipril (-6.7 ± 3.6 mm Hg) was more important than with kinkeliba (-5.0 ± 3.0 mm Hg, P = 0.011) but not statistically different to bissap group (-6.0 ± 4.7 mm Hg, P = 0.271). A significant natriuretic effect was observed in the kinkeliba and bissap groups but not in patients under ramipril treatment. At the end of the four weeks, 39% [95% CI: 25.7-54.3] of patients in the ramipril group, 37% [95% CI: 23.6-51.9] of patients in the kinkeliba group and 21% [95% CI: 11.7-35.9] of those taking bissap had normalized their BP.
BackgroundChronic kidney disease related mineral and bone disease (CKD-MBD) is a worldwide challenge in hemodialysis patients. In Senegal, number of dialysis patients is growing but few data are available about their bone disorders.ObjectivesTo describe patterns of CKD-MBD in Senegalese dialysis patients.Patients and MethodsWe performed a cross-sectional study including patients from three dialysis centres in Senegal. Diagnosis of different types of CKD-MBD relied on clinical, biological and radiological data collected from medical records in dialysis.ResultsWe included 118 patients and 79 of them presented CKD-BMD (prevalence of was 66.9 %). Mean age of CKD-MBD patients was 47.8 ± 15.7 years (16-81 years) and sex-ratio (Male/Female) was 1.15. Secondary hyperparathyroidism was the most frequent disorder (57 patients) followed by adynamic bone disease (21 patients) and osteomalacia (1 patients). The main clinical manifestations were bone pain (17.5% of cases), pruritus (36.8% of cases) and pathological fractures (2.5% of cases). Bone biopsy was not available. Valvular and peripheral vascular calcification were present in 24.5% and 21.2% of patients respectively. Management of CKD-MBD included optimization of dialysis, calcium bicarbonate, sevelamer, vitamin D analogues and calcimimetics. The NKF/DOQI recommended levels of serum calcium, phosphate and parathormone PTH were not achieved in one third of patients. Six patients presented major cardiovascular events during their dialysis period.ConclusionsCKD-MBD are frequent in Senegalese hemodialysis patients and they are dominated by high turn-over disease. Clinical and biological manifestations are unspecific and accurate diagnoses are often difficult in absence of histomorphometry. Treatment is suboptimal for many patients in a context of limited resources.
IntroductionChronic kidney disease (CKD) is an emerging worldwide epidemic but few data are available in African populations. We aimed to assess prevalence of CKD in adult populations of Saint-Louis (northern Senegal).MethodsIn a population-based survey between January and May 2012, we included 1,037 adults aged =18 years living in Saint-Louis. Socio-demographical, clinical and biological data were collected during household visits. Serum creatinine was measured by Jaffé method. We estimated glomerular filtration rate (eGFR) using the 4-variables MDRD equation and CKD was defined by eGFR < 60 mL/min/1.73m2 and/or albuminuria > 1g/L. A multivariate logistic regression was performed to identify factors associated with CKD.ResultsMean participants’ age was 47.9 ±16.9 years (18-87) and sex-ratio was 0.52. Majority of participants lived in urban areas (55.3% rural) and had school education (65.6%). Overall prevalences of hypertension, diabetes and obesity were 39.1%, 12.7% and 23.4% respectively. Prevalence of CKD was 4.9% (95% CI= 3.5 – 6.2) and 0.9% had GFR < 30 mL/min/1.73m2. Albuminuria >1g/l was found in 3.5% of people. CKD was significantly more frequent among hypertensive patients compared to normotensive participants. Only 23% of patients were aware of their disease before the survey. After multivariate logistic analysis, presence of CKD was significantly associated with hypertension (OR=1.12, p= 0.02) and age (OR=1.03, p= 0.02).ConclusionCKD is frequent in adult population living Northern Senegal. Main associated factors are hypertension and age. Prevention strategy is urgently needed to raise awareness and promote CKD detection and early treatment in both urban and rural areas.
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