Abstract:
:The prevalence of Mycoplasma pneumoniae among HIV-positive patients with community-acquired pneumonia (CAP) remains unclear. We investigated 300 HIV-positive adults (200 with CAP and 100 with no respiratory illness) and 75 HIV-negative adults with CAP for the prevalence of respiratory pathogens using culture and serology. A growth inhibition test was employed to confirm the isolates of M. pneumoniae using species-specific typing sera. The prevalence of M. pneumoniae in HIV-positive subjects was 17% by induced sputum and 11.3% by throat swab culture. The seroprevalence of anti-M. pneumoniae IgM was 11.7% by ELISA and 14.3% by the gelatin microparticle agglutination test. The prevalence of M. pneumoniae among HIV-negative cases was relatively low. Streptococcus pneumoniae was predominant (28%) among subjects with lower respiratory disease, whereas Staphylococcus aureus (15%) was common among upper respiratory symptomatic cases. Rales (P=0.001), pharyngeal erythema (P=0.02), cervical adenopathy (P=0.004), skin rash (P=0.001), and crepitations (P=0.001) were each significantly related to M. pneumoniae positivity. Statistical significance was observed in relation to total lymphocyte count (P=0.02) and erythrocyte sedimentation rate (P=0.04), as well as M. pneumoniae positivity. This study shows that the prevalence of M. pneumoniae in HIV-positive subjects is comparatively higher than in HIV-negative subjects with pulmonary symptoms, and concords with previous pilot studies carried out in Chennai, South India.
journal_name
Jpn J Infect Disjournal_title
Japanese journal of infectious diseasesauthors
Shankar EM,Kumarasamy N,Vignesh R,Balakrishnan P,Solomon SS,Murugavel KG,Saravanan S,Velu V,Farooq SM,Hayath K,Muthu S,Solomon S,Rao UAsubject
Has Abstractpub_date
2007-11-01 00:00:00pages
337-41issue
6eissn
1344-6304issn
1884-2836journal_volume
60pub_type
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