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Biomedical subjects

R E Bégué

Publications and source records attributed to R E Bégué.

6 recordsLinked to original sources

Compliance issues related to the selection of antibiotic suspensions for children.

OBJECTIVE: To evaluate the palatability, cost and other compliance issues as variables in the selection of antibiotic suspensions for children. METHODS: Eighty-six physicians and health care personnel randomly sampled amoxicillin (used as a standard for comparison) and 11 other antibiotics, evaluating them in categories of appearance, smell, texture, taste and aftertaste. Overall scoring was then adjusted for cost, duration of therapy and dosing intervals. RESULTS: Overall taste (palatability) ranking of antibiotics, highest to lowest, was as follows: loracarbef, cefdinir, cefixime, azithromycin, ciprofloxacin, trimethoprim-sulfamethoxazole, clarithromycin, trimethoprim, amoxicillin/clavulanate, cefpodoxime and cefuroxime. Overall rating of antibiotics was greatly influenced by other compliance variables, in order of their impact: cost; duration of therapy (5 vs. 10 days); and dosing intervals. Cost was not judged to be a major factor by most participants unless antibiotic expense was >$50.00 for treatment of otitis media in our hypothetical 2-year-old, 13-kg child. Taking all variables into consideration, final ranking from highest to lowest was azithromycin, cefdinir, loracarbef, cefixime, amoxicillin, trimethoprim-sulfamethoxazole, cefpodoxime, trimethoprim, clarithromycin, ciprofloxacin, cefuroxime and amoxicillin/clavulanate. CONCLUSIONS: Variables related to compliance for families filling antibiotic prescriptions and children taking these products are important in the selection of antimicrobial therapy. Because final assessment is likely to vary considerably among health care personnel, decisions must be made on an individual basis.

Amoxicillin↗

Two-year study of the protective efficacy of the oral whole cell plus recombinant B subunit cholera vaccine in Peru.

The protective efficacy of an oral inactivated whole cell Vibrio cholerae plus recombinant B subunit cholera vaccine was determined against El Tor cholera among Peruvian children and adults (2-65 years old) in a randomized, double-blind manner. Study subjects received 2 doses of vaccine or placebo 2 weeks apart, followed by a booster dose 10 months later. Surveillance for cholera was performed actively, with 2 visits per week to each household, and passively, at a local hospital. Stool samples were collected during diarrhea episodes and were cultured for V. cholerae. A total of 17,799 persons received 2 doses of vaccine or placebo, and 14,997 of these persons received the booster dose. After 2 doses (first surveillance period), V. cholerae biotype O1 was isolated from 17 vaccinees and 16 placebo recipients, demonstrating vaccine efficacy (VE) of -4%. After 3 doses (second surveillance period), V. cholerae O1 was isolated from 13 vaccinees and 32 placebo recipients, demonstrating VE of 61% (95% confidence interval ¿CI, 28%-79%). In the second surveillance period, the VE for illness requiring hospitalization was 82% (95% CI, 27%-96%). VE was also higher for persons >15 years old (VE, 72%; 95% CI, 28%-89%).

Administration, Oral↗

Nutritional status of Helicobacter pylori-infected children in Guatemala as compared with uninfected peers.

The effect of Helicobacter pylori infection on the nutritional status of children in a developing country was studied using a cross-sectional design. Children attending an all-girl public school in inner Guatemala City, Guatemala were evaluated to acquire sociodemographic information and anthropometric nutritional parameters (weight-for-height [WFH] and height-for-age [HFA]), and detect H. pylori-specific serum IgG antibodies. Of 211 children 5-10 years of age, 107 (51%) were infected. The WFH values were not different between infected and uninfected subjects, and were not affected by the sociodemographic variables. The HFA values decreased significantly with age (P = 0.008), lower income (P = 0.04), and H. pylori infection (P = 0.05). When controlled for age and income level, the effect of infection on HFA became nonsignificant (P = 0.30). Helicobacter pylori appeared to have no effect on the nutritional status of the studied children; the differences detected were small and likely due to sociodemographic factors.

Age Factors↗

A prospective study of Shiga-like toxin-associated diarrhea in a pediatric population.

Although population-based studies have shown that children have the highest age-specific incidence of infection with the Shiga-like toxin-producing E. coli (SLTEC), these sporadic case series were not focused specifically on the pediatric age group. We undertook a prospective study to determine the frequency of detection of SLT in an exclusively pediatric population. The study design minimized ascertainment and referral bias by systematically defining the population by the presence of diarrheal symptoms rather than by specific diagnosis, previous submission of stool for culture, or referral to a diarrhea study. All children < 10 years of age hospitalized at a tertiary care pediatric hospital, irrespective of admission diagnosis, were surveyed prospectively at admission and for 2 days thereafter for the presence of defined diarrheal symptoms. From May 1, 1991, to April 30, 1992, 227 patients and 92 age- and season-matched controls were enrolled. Fecal SLT was detected in six (2.6%) patients, three of whom had E. coli O157:H7 organisms were isolated; SLT was not found in any of the controls. SLT was more commonly detected in children 2-10 years of age and in bloody stools. Salmonella was isolated in six (2.6%) cases, Shigella in five (2.2%), and Yersinia in three (1.3%); rotavirus was detected in 46 (20.3%). Two patients with SLT-associated diarrhea had hemolytic uremic syndrome (HUS), and four had hemorrhagic colitis. SLT-associated diarrhea occurred in the summer and fall months in contradistinction to that with rotavirus, which occurred in the winter and spring.(ABSTRACT TRUNCATED AT 250 WORDS)

Bacterial Toxins↗