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Biomedical subjects

J Badoual

Publications and source records attributed to J Badoual.

At least 91 records · Page 5Linked to original sources

[Glycogenoses].

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Glycogen Storage Disease↗

Rectosigmoidoscopic findings during isolated rectal bleeding in the neonate.

This study describes a group of 34 infants under 1 1/2 months of age presenting with isolated rectal bleeding not related to hemorrhagic disease of the newborn or to campylobacter infection and with spontaneously favorable evolution. Systematic rectosigmoidoscopy showed the presence of mucosal alterations in the form of either longitudinally stretched ecchymoses lying on a normal mucosa or diffuse ecchymotic patches dispersed on a congestive and friable mucosa, rarely associated to visible micro-ulcerations. Biopsies showed mucosal hemorrhage, capillary vessel congestion, and epithelial erosions, as well as various grades of inflammation. Clinical data indicate that this hemorrhagic colitis is a heterogeneous group where dietary protein intolerance may account for some cases.

Enterocolitis, Pseudomembranous↗

[Optimal dose of acetaminophen in children].

Acetaminophen is an antipyretic and analgesic drug frequently prescribed in children. Unlike aspirin, the recommended doses for acetaminophen are different in France (20-30 mg/kg/24 h) and in the USA (65 mg/kg/24 h). The authors reviewed literature data, looking for the scientific basis of these recommendations in children. The antipyretic effect of a 7-20 mg/kg single oral dose was demonstrated versus placebo. A dose-effect relationship was established: 20 mg/kg as a single oral dose was more effective than 10 mg/kg while 5 mg/kg had little antipyretic effect. More than 10 mg/kg were required to keep on average the temperature 1.5 degrees C below the starting point for 6 hours. There was no significant difference regarding the antipyretic effects of a single 10-15 mg/kg dose using suppositories or oral suspension, although there was a greater consistency of response with the oral suspension. There was no significant difference concerning the antipyretic effect between a 10-15 mg/kg acetaminophen oral dose and the same dose of aspirin. The analgesic effect of a single 10-15 mg/kg oral dose was also demonstrated versus placebo in children. Plasma concentrations between 4 and 18 mg/l seem appropriate to obtain an antipyretic effect. Half-life is 1-3.5 h. Based on these data different dose regimens including an initial loading dose have been proposed. The simplest one is as follows: 25 mg/kg loading dose and 12.5 mg/kg every 6 h as maintenance dose.

Acetaminophen↗