[Epidemiologic and etiologic study of acute respiratory infections in children under 5 years of age]. 1991

E García Ramos, and E Pizarro Suárez, and L A Sapiáin, and G Lugo de la Fuente
Depto. de Microbiología Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México, D.F.

This study also included epidemiologic data to determine the risk factors for the enhancement of these infections. The coagglutination technique for the rapid diagnosis of streptococcus was tried. Five hundred and thirty one samples of pharingeal swabs were obtained from children with ARI. 74% were younger than one year old. Brochopneumonias constituted 66.39% of the cases. In total 357 agents were isolated 35% corresponding to bacteria in pure culture, 23.3% to mixed infections and 11.6% only viruses. The bacteria were: Haemphilus influenza (12.4%), Streptococcus pneumoniae (11%), Staphylococcus aureus (9%), and Klebsiella pneumoniae (6.3%), Mycoplasma pneumoniae was identified in 5 children and M. hominis in 3. Adenoviruses were isolated in 98 patients, parainfluenza in 19, respiratory syncytial virus in 4, influenza in 1 and picornavirus in 2. Predominating socioeconomic factors were: overcrowding, deficient schooling and low income of parents which favor malnutrition. The more frequent agents were constitutes by bacteria. Viruses were a less cause of infection. It was confirmed that babies under 12 months are more susceptible to bacterial pneumonia and prompt treatment with antimicrobial agents lowered the lethality. Low socioeconomic level is a possible predisposing factor for respiratory diseases.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D008800 Mexico A country in NORTH AMERICA, bordering the Caribbean Sea and the Gulf of Mexico, between BELIZE and the UNITED STATES, and bordering the North Pacific Ocean, between Guatemala and the UNITED STATES.
D012141 Respiratory Tract Infections Invasion of the host RESPIRATORY SYSTEM by microorganisms, usually leading to pathological processes or diseases. Respiratory System Infections,Upper Respiratory Tract Infection,Upper Respiratory Tract Infections,Infections, Respiratory,Infections, Respiratory Tract,Infections, Upper Respiratory,Infections, Upper Respiratory Tract,Respiratory Infections,Upper Respiratory Infections,Infection, Respiratory System,Infection, Respiratory Tract,Respiratory Infection, Upper,Respiratory System Infection,Respiratory Tract Infection
D001996 Bronchopneumonia Inflammation of the lung parenchyma that is associated with BRONCHITIS, usually involving lobular areas from TERMINAL BRONCHIOLES to the PULMONARY ALVEOLI. The affected areas become filled with exudate that forms consolidated patches. Bronchial Pneumonia,Bronchial Pneumonias,Bronchopneumonias,Pneumonia, Bronchial,Pneumonias, Bronchial
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001424 Bacterial Infections Infections by bacteria, general or unspecified. Bacterial Disease,Bacterial Infection,Infection, Bacterial,Infections, Bacterial,Bacterial Diseases

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