Bacteriology in acute exacerbation of chronic obstructive pulmonary disease in patients admitted to hospital.
We investigated the bacterial flora and antimicrobial sensitivity in sputum from patients admitted to hospital with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) in order to recommend the best empirical treatment for these patients. The survey was a retrospective study of all patients admitted to Hvidovre hospital with the diagnosis AECOPD during 2004. A total of 118 patients were included. Microscopy, culture and sensitivity testing investigated their sputums. Clinical and paraclinical features were collected from the patients' files. Among the 118 patients, 59 (50%) had a positive sputum culture. The group with positive cultures had a higher blood neutrophil count (p=0.03). There were no other clinical differences between the groups with and without positive sputum culture. The majority of patients with positive sputum cultures were infected with bacteria other than S. pneumonia, mostly H. influenzae and Moraxella catarrhalis. Patients with low FEV(1)<1.0 litre were more likely to be infected with Pseudomonas aeruginosa (p=0.03). The sensitivity patterns of the bacteria showed that the majority were resistant to penicillin. If antibiotics are initiated empirically for AECOPD we recommend either cefuroxime for intravenous treatment or amoxicillin-clavulanate for oral treatment.
Larsen
Mette V
MV
Department of Infectious Diseases, Hvidovre University Hospital, Kvidovre, Denmark. mvlarsen@dadlnet.dk
Janner
Julie H
JH
Nielsen
Susanne D
SD
Friis-Møller
Alice
A
Ringbaek
Thomas
T
Lange
Peter
P
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000900:Anti-Bacterial Agents / Q000494:pharmacology; D002648:Child; D002675:Child, Preschool; D003470:Culture Media; D005260:Female; D016905:Gram-Negative Bacterial Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000187:drug effects / Q000302:isolation & purification*; D006760:Hospitalization; D006801:Humans; D008297:Male; D008826:Microbial Sensitivity Tests; D008875:Middle Aged; D001936:Moraxella catarrhalis / Q000187:drug effects / Q000302:isolation & purification*; D011550:Pseudomonas aeruginosa / Q000187:drug effects / Q000302:isolation & purification*; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications*; D013183:Sputum / Q000382:microbiology*; D055815:Young Adult
D000900:Anti-Bacterial Agents; D003470:Culture Media