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Revista de la Sociedad Boliviana de Pediatría

On-line version ISSN 1024-0675

Abstract

SALAS MALLEA, Ariel. Mycoplasma pneumoniae infection in hospitalized paediatric patients with pneumonia. Rev. bol. ped. [online]. 2007, vol.46, n.3, pp. 159-162. ISSN 1024-0675.

ABSTRACT Objective: to describe clinical, epidemiological, radiographic, laboratory and, progress characteristics of Mycoplasma pneumoniae infection in hospitalized patients with pneumonia. Methods: consecutive case series that included patients who had ages between 2 mo old and 14 yr old admitted to Infectology and Pulmonology Units at Children’s Hospital Dr. Ovidio Aliaga Uría with diagnosis of atypical pneumonia during 2007. Results: of 368 admissions for pneumonia, 8.6% compatible with atypical pneumonia. Twenty-nine patients were included for analysis (n=29). IgM serology for Mycoplasma pneumoniae infection was completed in 15 patients (51.7%). Pneumonia was more frequent in infants and pre-school children (average: 3 years). Masculine predominance was observed. Most cases were registered in autumn (53.3%). The average of illness days was six. The most common clinical features were cough (97%), fever (90%) and, malaise (79%). Crackles (65.5%) and wheezing (44.8%) were frequent physical findings. Leukocyte count was in average 10 014 ± 1 867/mm3. The relative value of neutrophils was 55.5%. Interstitial pattern was predominant in radiographic films (60%). The betalactam use as initial empiric therapy was common (60%) and associated with longer length of hospital stay (7.7±3.8d vs. 5.1± 1.9d; p < 0.05). Conclusions: pneumonia in patients who have Mycoplasma pneumoniae infection does not have any symptom, sign or radiological pattern that focuses clearly the etiology; however, considering its emerging role, it should be the first diagnosis of suspicion in presence of the clinical, epidemiological, radiological and, laboratory profile described in this case review

Keywords : Mycoplasma pneumoniae; pneumonia.

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