Risk stratification and outcome of cellulitis admitted to hospital
To identify risk factors associated with mortality and adverse outcome of community acquired cellulitis/erysipelas requiring hospital admission.
A retrospective analysis of 395 episodes of cellulitis/erysipelas admitted toa tertiary referral hospital between January 1999 and December 2006.
Mortality was 2.5% (10/395). There were112 complications (28.4%) .Medianhospita- lisation was 5 days. Factors independently associated with mortality, adverse outcome and prolonged stay (>7 days) were bacteraemia and albumin /L. A risk stratification model was designed based on factors independently associated with adverse outcome: altered mental status, neutrophilia/paenia ,discharge from the cellulitic area, hypoalbuminaemia and history of congestive cardiac failure. Adverse outcome risk among patients with scores 9 was -4. Factors independently associated with prolonged hospitalisation were: age >60, symptom duration >4 days, hypoalbuminaemia, bacteraemia, isolation of MRSA and time to effective antibiotics >8 h. MRSA was more frequent among patients admitted during 2003-2006 (OR 2.43, 95% CI: 1-12-5.27). Streptococci accounted for most bacteraemia (11/20). Infectious Disease physician input was independently associated with shorter hospitalisation.
Cellulitis/erysipelas requiring hospitalisation confers considerable morbidity and mortality. Clinical markers present on admission can be used to stratify patient risk of mortality and adverse outcome.
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