Attapon Cheepsattayakorn MD, FRCP, FRCP(Edin), FRCP(Glasg), FACP, FCCP*, Prasit Tharavichitakul MSc**, Sakchai Dettrairat MSc***, Vorasak Sutachai BSc*
Affiliation : * 10th Zonal Tuberculosis and Chest Disease Center, Chiang Mai, 10th Office of Disease Prevention and Control, Department of Disease Control, Ministry of Public Health, Thailand ** Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand *** Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
Moraxella catarrhalis pneumonia, although in the immunocompromised patients is very uncommon for community-acquired pneumonia (CAP). It demonstrates a potential pathogen with high mortality when the presence of heavy numbers of organisms, intracellularly and extracellularly, in the sputum Gram’s stained smears confirmed by cultures. In 2007, the authors reported a case of a 28-year-old Thai single male patient with acquired-immuno- deficiency syndrome (AIDS) and Moraxella catarrhalis pneumonia who dramatically responded to two weeks of oral Amoxyclav (Amoxycillin trihydrate 500 milligrams + Clavulanic acid (Potassium clavulanate) 125 milligrams) treatment at 625 milligrams every 8 hours and then discharged. The present case report describes clinical and initial chest roentgenographic presentations of Moraxella catarrhalis pneumonia in AIDS patient. The importance of chest roentgenographic pictures, CD4/CD8-T lymphocyte ratio, sputum Gram’s stainings, cultures with susceptibility testing in establishing a diagnosis, and protective vaccine are discussed.
Keywords : Moraxella catarrhalis, pneumonia, AIDS
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