Document Detail

Predictors of a positive duplex scan in patients with a clinical presentation compatible with deep vein thrombosis or cellulitis.
MedLine Citation:
PMID:  18159459     Owner:  NLM     Status:  PubMed-not-MEDLINE    
BACKGROUND: Deep vein thrombosis (DVT) and cellulitis are common conditions whose symptoms lead patients to seek medical attention in the emergency department (ED). Distinguishing between these two conditions quickly and accurately is important.
OBJECTIVES: To determine the yield of duplex scanning among ED patients whose clinical presentation is compatible with DVT or cellulitis. In addition, to determine whether baseline clinical variables are predictive of the final diagnosis among ED patients with an initial clinical impression of 'DVT versus cellulitis' who underwent duplex scanning.
METHODS: In this historical cohort study, patients with a final diagnosis of DVT (positive duplex) were compared on several baseline variables with patients with a final diagnosis of cellulitis (negative duplex and antibiotics prescribed) .
RESULTS: One hundred-nine of 542 ED patients referred for a duplex scan were initially diagnosed as 'DVT versus cellulitis', 17% of whom had DVT confirmed by a positive duplex scan. Comparing patients with DVT versus those with cellulitis, 0% versus 15.3% had rigors (P=0.06); 0% versus 8.3% had distinct margins of erythema (P<0.01); 5.3% versus 22.2% were currently on antibiotics (P=0.09); and 50% versus 21.3% had an elevated white blood cell count (P=0.04).
CONCLUSION: There are differences in a number of baseline characteristics of 'DVT versus cellulitis' patients who went on to have either positive or negative duplex scans, some of which were statistically significant despite the limited sample size. These findings should be confirmed prospectively in a larger study sample since they may have the potential to aid in the clinical differentiation between DVT and cellulitis.
Curtis E Rabuka; Laurent Y Azoulay; Susan R Kahn
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Canadian journal of infectious diseases = Journal canadien des maladies infectieuses     Volume:  14     ISSN:  1180-2332     ISO Abbreviation:  Can J Infect Dis     Publication Date:  2003 Jul 
Date Detail:
Created Date:  2007-12-26     Completed Date:  2011-07-14     Revised Date:  2013-05-23    
Medline Journal Info:
Nlm Unique ID:  9425856     Medline TA:  Can J Infect Dis     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  210-4     Citation Subset:  -    
Emergency Medicine Department, Sir Mortimer B Davis Jewish General Hospital, McGill University, Montreal, Quebec.
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