Serological evidence of Mycoplasma pneumoniae infection in patients with acute exacerbation of COPD: analysis of 100 hospitalizations.
Summary of "Serological evidence of Mycoplasma pneumoniae infection in patients with acute exacerbation of COPD: analysis of 100 hospitalizations."
Purpose: A prospective study was conducted in order to investigate the serologic evidence of Mycoplasma pneumoniae infection in Greek hospitalized patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Furthermore, we have assessed the frequency of a number of variables in the group of patients with a serological diagnosis of an acute M. pneumoniae infection compared to patients in whom M. pneumoniae infection was not documented.Materials/Methods: One hundred patients with AECOPD were enrolled in a 29- month study period. Serum IgG, IgA and IgM M. pneumoniae antibody titers were determined during the first day of their hospitalization and 30 days after enrolment, using a commercial ELISA.Results: Nine patients (9%) had serological evidence of an acute M. pneumoniae infection. Acute infection was mainly documented by IgA antibody titer changes. It was mainly attributed to a reinfection rather than a primary infection. Patients with serological evidence of an acute M. pneumoniae infection had a higher heart rate (99±12 versus 88±14 beats/minute, p=0.02) and a higher hematocrit value (47±4.5% versus 40.4±6.2%, p=0.004) at admission than patients without a serological diagnosis for this pathogen.Conclusions: Serologic evidence of M. pneumoniae infection is rather common in Greek hospitalized patients with AECOPD. The determination of all three antibody classes was necessary in order to obtain an optimal level of serodiagnosis. No differences were found in the majority of characteristics of patients with and without serological evidence for this pathogen. The clinical utility of these results should be further clarified in future studies.
Affiliation
Department of Medicine, University of Athens Medical School, 'Sotiria' General Hospital, Athens, Greece.
Journal Details
This article was published in the following journal.
Name: Advances in medical sciences
ISSN: 1898-4002
Pages: 235-41
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20934967
- DOI: http://dx.doi.org/10.2478/v10039-010-0031-6
Medical and Biotech [MESH] Definitions
Pneumonia, Mycoplasma
Interstitial pneumonia caused by extensive infection of the lungs (LUNG) and BRONCHI, particularly the lower lobes of the lungs, by MYCOPLASMA PNEUMONIAE in humans. In SHEEP, it is caused by MYCOPLASMA OVIPNEUMONIAE. In CATTLE, it may be caused by MYCOPLASMA DISPAR.
Mycoplasma Pneumoniae
Short filamentous organism of the genus Mycoplasma, which binds firmly to the cells of the respiratory epithelium. It is one of the etiologic agents of non-viral primary atypical pneumonia in man.
Mycoplasma Fermentans
A species of the genus MYCOPLASMA, originally isolated infrequently from the lower genital tract of humans, and possessing uncertain pathogenicity. The incognitus strain of M. fermentans has been identified in necrotizing lesions of multiple organs from AIDS and non-AIDS patients dying of an acute influenza-like disease.
Chlamydophila Pneumoniae
A species of CHLAMYDOPHILA that causes acute respiratory infection, especially atypical pneumonia, in humans, horses, and koalas.
Leukoencephalitis, Acute Hemorrhagic
A fulminant and often fatal demyelinating disease of the brain which primarily affects young adults and children. Clinical features include the rapid onset of weakness, SEIZURES, and COMA. It may follow a viral illness or MYCOPLASMA PNEUMONIAE infections but in most instances there is no precipitating event. Pathologic examination reveals marked perivascular demyelination and necrosis of white matter with microhemorrhages. (Adams et al., Principles of Neurology, 6th ed, pp924-5)
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