Background. To determine the prevalence and associated factors of prehypertension (pre-HT) and hypertension (HT) in schoolchildren at Brazzaville (Congo). Methods. This cross-sectional study was conducted from March to May 2011 in five representative urban schools in Brazzaville. American Pediatric Society's definition of pre-HT and HT was used. The measurement of blood pressure was obtained using auscultator method. Univariable and multivariable analyses were performed to establish associations between blood pressure levels and sociobiographical factors. Results. 603 children were included. The mean age was 11.8 ± 3.6 years (range 5–18 years). The prevalence of pre-HT was 20.7% (n = 125). Factors associated with pre-HT were secondary school (P = 0.02), private schools (P < 0.004), migrants (P = 0.03), the obese (P = 0.004), high socioeconomic level (P < 0.01), and overweight (P = 0.02). In logistic regression, the independent determinants of pre-HT were secondary school (P = 0.0001), migration (P = 0.04), obesity (P = 0.004), and overweight (P = 0.01). The prevalence of HT was 10.1% (n = 61) during the first screening and 3.3% (n = 20) in second screening. The independent determinants of HT were obesity (P = 0.0001) and overweight (P = 0.0001). Conclusion. Pre-HT and HT are emerging as a mass problem in Congolese schoolchildren with urban migration and overweight/obesity to be controlled and prevented.
Introduction: Jaundice is a major symptom during neonatal time. It is defined by a bilirubin ≥ 50 mg/l. Objectives: To determine the frequency of neonatal jaundice at the Brazzaville University Hospital, to determine the main etiologies, to evaluate the management, to specify the evolution. Patients and Method: It was a prospective and descriptive study that was conducted in the . It included newborn children admitted into the neonatal unit for treatment of jaundice. The variables studied were epidemiological, clinical, etiological therapy and outcome. Results: The frequency of the neonatal jaundice is 7.2%. The hyperbilirubinemia as not conjugated was found in 99.1% of cases. The main causes are bacterial neonatal infection n = 102 (47.9%), the physiological icterus n = 46 (21.6%) and the ABO incompatibility n = 40 (18.8%). The treatment consists of the phototherapy in all cases. Each phototherapy session lasts 3 hours n = 99 (56.9%), 6 hours n = 58 (33.3%) and 12 hours n = 17 (9.8%). The average duration of the administering of the therapy is of 3 ± 2 days. Hyperbilirubinemia encephalopathy occurred in 62 (29.1%) cases, including 49 cases of kernicterus. The death occurred in 70 (32.9%) children. Conclusion: The importance and the gravity of the neonatal jaundice require primary preventive means based on proper care in pregnancy and the birth. While the secondary prevention includes high index of suspicion, comprehensive diagnostic equipment availability to prevent acute bilirubin encephalopathy.
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