Central nervous system infections in the intensive care unit
Journal: Journal of Clinical and Scientific Research (Vol.3, No. 2)Publication Date: 2014-04-01
Authors : B. Vengamma; M. Rajguru; B.C.M. Prasad; V.V. Ramesh Chandra;
Page : 106-113
Keywords : Central nervous system infections; Intensive care unit; Meningitis; Ventriculitis;
Abstract
Neurological infections constitute an uncommon, but important aetiological cause requiring admission to an intensive care unit (ICU). In addition, health-care associated neurological infections may develop in critically ill patients admitted to an ICU for other indications. Central nervous system infections can develop as complications in ICU patients including post-operative neurosurgical patients. While bacterial infections are the most common cause, mycobacterial and fungal infections are also frequently encountered. Delay in institution of specific treatment is considered to be the single most important poor prognostic factor. Empirical antibiotic therapy must be initiated while awaiting specific culture and sensitivity results. Choice of empirical antimicrobial therapy should take into consideration the most likely pathogens involved, locally prevalent drug-resistance patterns, underlying predisposing, co-morbid conditions, and other factors, such as age, immune status. Further, the antibiotic should adequately penetrate the blood-brain and blood- cerebrospinal fluid barriers. The presence of a focal collection of pus warrants immediate surgical drainage. Following strict aseptic precautions during surgery, hand-hygiene and care of catheters, devices constitute important preventive measures. A high index of clinical suspicion and aggressive efforts at identification of aetiological cause and early institution of specific treatment in patients with neurological infections can be life saving.
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Last modified: 2014-05-23 16:05:59