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At least 235 records · Page 13Linked to original sources
PubMed1974

Otitis externa.

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Aluminum↗
PubMed1998

Phenothiazine-induced increase in thyroid autoantigens and costimulatory molecules on thyroid cells: a pathophysiological mechanism for drug-induced autoimmunity?

We have previously demonstrated (J Immunol 1995; 154:3593) that MHC class II antigens can be induced on thyroid epithelial cells (TEC) by alimemazine, a member of the phenothiazine group. Although this expression of MHC class II antigens on TEC confers the theoretical ability to behave as antigen-presenting cells (APC), the simultaneous expression of self antigens and co-receptor(s) must also occur for efficient presentation of self antigens. Therefore, we investigated whether alimemazine applied at pharmacologic doses would modify the expression of thyroid antigens, and simultaneously, the expression of intercellular adhesion molecule-1 (ICAM-1), B7, and LFA-1 co-receptors in human TEC in culture. Using polymerase chain reaction (PCR) amplification and Northern blot analysis, we showed that alimemazine induces increases in thyroglobulin (Tg) and thyroid-stimulating hormone receptor (TSH-R) cDNA, within the first 2 h following its addition. This phenomenon is followed 48 h later by an increase of Tg and TSH-R protein expression on the surface of TEC. Furthermore, increases in the expression of ICAM-1 and B7 co-receptors were concomitantly observed. These results suggest that alimemazine, a drug currently used in paediatrics, could play a role in the induction and perpetuation of thyroid autoimmune disorders by transforming TEC into functional APC.

Antigens↗
PubMed1997

Chondronecrosis of the cricoid cartilage after intubation. Two case reports.

Chondronecrosis of the cricoid cartilage is a rare complication of intubation. The records of two children were reviewed. An 8-month-old girl with myelomonocytic leukaemia developed chondronecrosis 10 days after a 2-day period of ventilation. A 4-year-old girl comatose after poisoning by the histamine antagonist, alimemazine, developed chondronecrosis after a 2-day period of intubation. The complication was suspected when extubation led to dyspnoea owing to laryngeal stridor and was confirmed by direct laryngoscopy. We review the development of the condition, the causative factors, treatment and prevention.

Antipruritics↗
PubMed2001

One thousand small-bowel biopsies in children. A single-port versus a double-port capsule.

BACKGROUND: Small-bowel biopsy is a well-established technique in the evaluation of children with intestinal malabsorption, e.g. coeliac disease. The biopsy is performed endoscopically or with a peroral capsule instrument. The aim of the present retrospective study was to compare the single-port Watson capsule with the double-port Storz capsule with regard to procedure and fluoroscopy time, complications and failure rate. METHODS: All 1,078 peroral small-bowel biopsies performed at our department during 1989-99 were studied. In 387 of these, the Watson capsule was used and in the remaining 691 the Storz capsule. Median age of the children was 2.5 years. About one-third of the children were premedicated with the prokinetic drug cisapride and as sedatives alimemazine or diazepam orally. Two-thirds of the children were given metoclopramide along with midazolam intravenously. The biopsies were performed under intermittent fluoroscopy. RESULTS: The median biopsy procedure time was significantly shorter with the Storz capsule (7 min) compared to the Watson capsule (10 min) (P < 0.05). The median fluoroscopy time was 5 sec with the Storz capsule and 8 sec with the Watson capsule (P < 0.01). The failure rate did not differ significantly between the two capsule types: 10.3% (Watson) and 7.7% (Storz). One potential but no serious complication occurred. CONCLUSIONS: Providing that effective sedation is available, small-bowel biopsy with a peroral capsule, and the Storz double-port multibiopsy capsule in particular, is a safe and fast method exposing the child to a minimal radiation dose.

Adolescent↗
PubMedDate not supplied

A fatal case of alimemazine poisoning.

Alimemazine, a phenothiazine derivative with the properties of antihistamines, was determined by a selective high-performance liquid chromatographic technique in blood and tissues from a postmortem case. The blood concentration of alimemazine was 6.52 micrograms/mL. The brain was the major site of drug deposition, and tissue distribution is discussed in light of the existing literature.

Antipruritics↗
PubMed2004

Reversal of an antihistamine-induced coma with flumazenil.

Flumazenil is a competitive antagonist with specific action at the central benzodiazepine receptor. It is used when benzodiazepine intoxication is suspected. Its use has also been reported in cannabis intoxication, chloral hydrate overdose, hepatic encephalopathy, and alcohol intoxication. We report the case of a 7-month-old male infant with a depressed level of consciousness after intentional intoxication of antihistamines, whose mental status fully recovered after administration of flumazenil. To our knowledge, this is the first case in children where flumazenil has been reported to reverse antihistamine-induced coma.

Child Abuse↗
PubMed1975

Hyoscine butylbromide: a useful premedicant.

The actions of intravenous hyoscine butylbromide (Buscopan) and atropine sulphate on reduction of upper respiratory tract secretions during anaesthesia are compared. Hyoscine butylbromide has a significantly more powerful action.

Adult↗