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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.

Erectile dysfunction (ED) is very common in dialysis patients because of organic and psychological risk factors. It has a negative impact on patients' quality of life. In Senegal, ED is assumed to be frequent in the general adult population but its prevalence in dialysis patients is unknown. This cross-sectional study aimed to assess the prevalence and risk factors associated with ED in Senegalese dialysis patients. Seventy dialyzed men >18 years old were included. Erectile dysfunction was assessed using the abridged version of International Index of Erectile Function already validated in dialysis patients. Multivariate analysis was performed to identify the factors associated with ED in patients. The mean age of the patients was 52 ± 11.3 years (21-70 years) and the median dialysis vintage was 39.4 months (interquartile range 9-51 months). The prevalence of ED was 81.5% for all patients (80% in hemodialysis and 81.75% in peritoneal dialysis). Severe ED was found in 11.5% of patients. The prevalence of ED was 74.5% in patients younger than 50 years and 86.6% in those 50 years or older. Marital status, comorbidity, hemoglobin level, and use of antihypertensive drugs were not different between patients with and without ED. Libido was conserved in 77% of patients and 44.7% were not satisfied during sexual intercourse. Multivariate analysis identified age and dialysis vintage as risk factors of ED in our patients. Only 7 patients received treatment for ED and 22% sought a consultation with a specialist (urologist and psychologist).

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