This manuscript reviewed the literature on infection by Mycoplasma pneumoniae with emphasis on etiological aspects of childhood community-acquired pneumonias. Bibliographical research was carried out from Pubmed Medline, MDConsult, HighWire, LILACS, and direct research over the past 10 years with the following keywords: Mycoplasma pneumoniae, pneumonia, and childhood. Fifty-four articles were selected. Mycoplasma pneumoniae has a high incidence in childhood. Clinical presentation includes respiratory and extrarespiratory symptoms. Mycoplasma pneumoniae lung infection can be confused with viral or bacterial pneumonia and is unresponsive to beta-lactams. In addition, co-infections have been reported. Mycoplasma pneumoniae infection occurs in all age groups, being less frequent and more severe in children under the age of five. Its incidence as a causal agent is high. Mycoplasma pneumoniae infections constitute 20%-40% of all community-acquired pneumonias; the severity is highly variable, and this condition may lead to severe sequelae. Mycoplasma pneumoniae frequency is underestimated in clinical practice because of the lack of specific features and a diagnosis that needs serology or PCR. Effective management of M. pneumoniae infections can usually be achieved with macrolides. In Brazil, epidemiological studies are needed in order to assess the incidence of this bacterium.
Objective: To describe the clinical, hematological and radiographic characteristics of children hospitalized for Mycoplasma pneumoniae pneumonia. Method: The study population consisted of 190 children between 3 months and 16 years old, hospitalized for radiographically confirmed pneumonia. Patients were divided into two groups, to wit: 95 children with Mycoplasma pneumoniae pneumonia, as diagnosed using the enzyme-linked immunosorbent assay (ELISA) method; and 95 children with pneumonia caused by other etiologic agents. Using a validated scoring system, the clinical, hematological and radiographic findings of both groups were compared to differentiate Mycoplasma pneumoniae pneumonia (group 1) from pneumonia caused by other etiologic agents (group 2), itself divided into two groups, bacterial (n = 75) and viral (n = 20). Results: Mycoplasma pneumoniae pneumonia was found most often in girls (p < 0.01), older children (p < 0.01), and patients with dry cough (p < 0.01) and extrapulmonary manifestations (p < 0.01). The clinical, hematological and radiographic variables of Mycoplasma pneumoniae pneumonia (mean score = 6.95) scored between those found in bacterial (mean score = 8.27) and viral pneumonia (mean score = 0.90). Conclusion: Results suggest that the scoring system can contribute to the presumptive diagnosis of Mycoplasma pneumoniae pneumonia and help differentiate pneumonic status caused by other etiologic agents.
Mycoplasma pneumoniae-related community-acquired pneumonia and parapneumonic pleural effusion in children and adolescents* Pneumonia adquirida na comunidade e derrame pleural parapneumônico relacionados a Mycoplasma pneumoniae em crianças e adolescentes
Objective: To describe the clinical, hematological and radiographic characteristics of children hospitalized for Mycoplasma pneumoniae pneumonia. Method:The study population consisted of 190 children between 3 months and 16 years old, hospitalized for radiographically confirmed pneumonia. Patients were divided into two groups, to wit: 95 children with Mycoplasma pneumoniae pneumonia, as diagnosed using the enzyme-linked immunosorbent assay (ELISA) method; and 95 children with pneumonia caused by other etiologic agents. Using a validated scoring system, the clinical, hematological and radiographic findings of both groups were compared to differentiate Mycoplasma pneumoniae pneumonia (group 1) from pneumonia caused by other etiologic agents (group 2), itself divided into two groups, bacterial (n = 75) and viral (n = 20).Results: Mycoplasma pneumoniae pneumonia was found most often in girls (p < 0.01), older children (p < 0.01), and patients with dry cough (p < 0.01) and extrapulmonary manifestations (p < 0.01). The clinical, hematological and radiographic variables of Mycoplasma pneumoniae pneumonia (mean score = 6.95) scored between those found in bacterial (mean score = 8.27) and viral pneumonia (mean score = 0.90). Conclusion:Results suggest that the scoring system can contribute to the presumptive diagnosis of Mycoplasma pneumoniae pneumonia and help differentiate pneumonic status caused by other etiologic agents.J Pediatr (Rio J). 2010;86(6):480-487: Mycoplasma, Mycoplasma pneumoniae, pneumonia, radiography, children. No conflicts of interest declared concerning the publication of this article. Organization (WHO). 9 MP pneumonia was defined by the Mycoplasma pneumoniae pneumonia -Vervloet LA et al. Original article
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