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| Year : 1999 | Volume
: 17
| Issue : 4 | Page : 184-188 |
Bacteriology of intractranial abscesses with special reference to anaerobes
A De, P Das, A Sharma
Department of Microbiology and Neurosurgery, L.T.M. Medical College, Sion, Mumbai 400 022,
Correspondence Address:
A De
Department of Microbiology and Neurosurgery, L.T.M. Medical College, Sion, Mumbai 400 022
ABSTRACT: The bacteriologic findings of 38 patients with intracranial abscesses are presented. Thirty patients presented with brain abscess and 8 with subdural empyema. Out of 38, there were 36 adults and only 2 children. Predisposing conditions could be identified in 30 instances (79 percent). Sinusitis was the commonest (33.3), followed by chronic suppurative otitis media (26.7 percent) and trauma (20 percent). The commonest site of abscess was frontal lobe (50 percent) followed by the temporal lobe (13.2 percent). Aerobic organisms alone were recovered in 50 percent, anaerobic organisms alone in 18.4 percent, and mixed aerobic and anaerobic organisms in 31.6 percent patients. A total of 37 aerobes were recovered, of which Staphylococcus aureus was maximum (28), followed by Proteus mirabilis (7) and Klebsiella pneumoniae (5). There were 19 anaerobic isolates and the predominant anaerobes were anaerobic Gram positive cocci (11) and Bacteroides fragilis (5). Overall mortality in our study was 7.9 percent.
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