Background & objectives:Elevated blood pressure (BP) in the young predicts serious cardiovascular events in the adults. High prevalence of adult hypertension reported from Assam, North East (NE) India may be linked with elevated blood pressure in the childhood. The present study was an attempt to describe the distribution of BP and correlates of hypertension in children aged 5-14 yr.Methods:A total of 10,003 school children from 99 schools of Dibrugarh district, Assam, NE India, were surveyed by stratified random cluster method. Blood pressure, demographic and anthropometric information were recorded. Blood pressure was categorized in to normal, prehypertension, stage I and stage II hypertension.Results:Girls had significantly higher (104.2 ± 12.0 vs. 103.2 ± 11.6 mm Hg, P<0.001) mean systolic blood pressure (SBP) than boys. Both SBP and diastolic blood pressure (DBP) revealed significant correlation with age, height, weight and BMI in overall and in gender specific analysis. Hypertension was found in 7.6 per cent school children (Boys: 7.3%, Girls: 7.8%). In multivariable analysis older age (OR 3.3, 95% CI: 2.82-3.91), children from tea garden community (OR 1.3, 95% CI: 1.08-1.55) and other community (OR 1.4, 95% CI: 1.18-1.73) and overweight (OR 1.5, 95% CI: 1.1-2.1) were independently associated with hypertension.Interpretation & conclusions:Mean blood pressure in the young school children of 5-14 yr was high. A programme comprising screening, early detection and health promotion through school health programmes may help prevent future complications of hypertension.
Introduction: Studies on the carriage rate of beta-hemolytic streptococci among children form an important component of public health practice to prevent disease complications such as rheumatic fever/rheumatic heart disease, nephritis, and other local or systemic infections. Methodology: Throat swabs collected from asymptomatic schoolchildren were inoculated into appropriate media for isolation of beta-hemolytic streptococci. They were identified by standard biochemical methods and sero-grouped. Antibiotic sensitivity was evaluated using the Kirby-Bauer disk diffusion method. Results and Conclusion: Beta-hemolytic streptococci were isolated from 106 (7.7%) out of the 1,384 throat swabs and Group F was the predominant sero-group isolated. The highest resistance observed among all the beta-hemolytic streptococci was to trimethoprim-sulfamethoxazole.
Cholera epidemics with moderately high case fatality rates in Assam, northeast India were investigated in 2007, 2008 and 2010. Based on mismatch amplification mutation assay PCR for detection of ctxB allele, 40 isolates of Vibrio cholerae O1 El Tor collected from the epidemics were found to harbour the classical ctxB gene allele of cholera toxin (CT). DNA sequencing of ctxB gene confirmed the isolates to be genotype 1 of ctxB. Antimicrobial susceptibility tests reveal that 100% of the isolates were resistant to trimethoprim and 40% were resistant to tetracycline. The recent V. cholerae O1 strains circulating in Assam, India are due to the El Tor variant carrying classical type CT. Emergence of tetracycline and trimethoprim resistant strains necessitates the review of antibiotic use for severe cholera.
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