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Biomedical subjects

F Martín Muñoz

Publications and source records attributed to F Martín Muñoz.

9 recordsLinked to original sources

[Incidence of allergy to cow's milk protein in the first year of life and its effect on consumption of hydrolyzed formulae].

OBJECTIVES: The aims of this study were to determine the incidence of allergy to cow's milk protein in infants and the cost of treatment with hydrolyzed formulae in the Autonomous Community of Madrid. PATIENTS AND METHODS: Infants with suspected adverse reaction to cow's milk protein born between March 1, 2000 and February 28, 2001 within the catchment area covered by the pediatric services of Hospital La Paz were studied. The diagnostic algorithm of allergy to cow's milk protein of our department was used. The theoretical consumption of hydrolyzed formulae in the treatment of allergic infants was calculated and extrapolated to the Community of Madrid. RESULTS: There were 5367 live births in the above-mentioned catchment area. Adverse reaction to cow's milk protein was suspected in 185 infants. Allergy to cow's milk protein was confirmed in 101 (54 %). The incidence of allergy to cow's milk protein was 101/5356 (1.9 %). In the same period there were 57 078 live births in the Autonomous Community of Madrid. The number of infants that might be allergic in one year would be 1084. The cost of hydrolyzed formulae per infant and year would be 1,585.72 Euros. Thus, the cost of hydrolyzed formulae in the 1084 allergic infants would be 1,718,922.9 Euros; in the 923 in whom allergy was ruled out, the cost would be 1,463,621.8 Euros. CONCLUSIONS: The incidence of allergy to cow's milk protein in the first year of life is at least 1.9 %. The correct diagnosis allows us to rule out allergy to cow's milk protein in almost half of the cases, thus avoiding the use of unnecessary substitutive diets involving a high cost.

Algorithms↗

Exercise-induced anaphylactic reaction to hazelnut.

Reproducible, exercise-induced anaphylactic reactions occur in some patients only after certain foods have been eaten before exercise. We describe a patient in whom hazelnuts were a triggering factor for exercise-induced anaphylaxis. Skin tests and RAST were positive for nuts and grass and weed pollen. The exercise challenge test after hazelnut ingestion was positive. Food hypersensitivity should be investigated in all cases of exercise-induced anaphylaxis.

Anaphylaxis↗

[Asthma and gastroesophageal reflux. Outcome of asthma after longterm medical treatment of the reflux].

Over one half of the cases of chronic severe childhood asthma, refractory to conventional therapy and without other over aetiology, are associated to gastroesophageal reflux (GER). The aetiopathogenic role of GER in asthma is uncertain, and is only confirmed when therapy of the former induces evident improvement of the latter. We have instituted medical antireflux therapy over two years in 17 patients (17.6%) became asymptomatic after less than three months of therapy, and a further four (23.5%) by the sixth month. Seven patients showed clinical improvement by the third month (41%) and even a greater one by the sixth month, only very slight symptoms persisting thereafter. In three cases (17.6%) there was no improvement after two years of outcome of asthma and the persistence or not of pathological between the outcome of asthma and the persistence or not of pathological 24-hour pHmetry. On the contrary. macroscopic oesophagitis disappeared in the cases of asthma with good outcome, but persisted in all the cases who remained symptomatic. In conclusion, we consider that medical management of GER associated to asthma should be maintained for at least six months (if the clinical course so permits) before considering a surgical indication.

Adrenal Cortex Hormones↗

Hypersensitivity to mercuric fluorescein compounds.

The mercurial compounds are known to be a common cause of allergic contact dermatitis. Immediate hypersensitivity is rarely induced by mercurial organic derivatives. However, none of the published cases showed both immediate and delayed hypersensitivity as was the case of one of our two patients. A boy and a woman experienced urticaria and anaphylaxis, respectively after topical application of Merchromine (Merbromine). We were able to demonstrate immediate hypersensitivity in both patients to mercuric fluorescein compounds by skin test and histamine liberation. In addition, the child but not the woman, showed delayed hypersensitivity to mercurial compounds.

Anaphylaxis↗

Asthma in children and ASA intolerance.

Intolerance to acetylsalicylic acid (ASA) in asthmatics has been widely studied in the adult population, and to a lesser extent in children. In the present study, we present 16 asthmatics between the ages of 2 and 14 suffering from asthma induced by ASA ingestion, and the clinical characteristics are compared with a population of asthmatic children with a negative challenge test. The following results were obtained: 1) in contrast to in adults, females are not predisposed to ASA intolerance in childhood, the male:female ratio being the usual 2:1 in infantile asthma; 2) ASA intolerance can appear at a very early age (in our series the youngest was 1 year old); 3) extrinsic asthmatics are the most commonly affected, and also children with exercise-induced asthma; 4) in extrinsic asthmatics with asthma attacks precipitated by ASA, sinusitis is more frequent than in extrinsic asthmatics with ASA tolerance; 5) polyposis is exceptional; 6) the presence of associated urticaria is frequent, and much greater than in adult ASA-intolerant asthmatics; and 7) the results of the challenge with NSAIDs are similar to those obtained in adult patients, which would indicate a common pathophysiological mechanism related to the capacity of these drugs to inhibit cyclooxygenase activity.

Adolescent↗