Abstract:
OBJECTIVE:To determine the role of digital photoplethysmography in screening asymptomatic patients who are susceptible for developing deep vein thrombosis. METHODS:Three hundred and thirty-seven limbs in 169 patients who were high risk for development of deep vein thrombosis were assessed by ultrasonography digital photoplethysmography and the results were compared. RESULTS:Thirteen limbs were found to have deep vein thrombosis as demonstrated by ultrasonography. All limbs with a venous refilling time greater than 12 seconds had a normal ultrasonography. Compared with ultrasonography and using refilling time less than 12 seconds as the cutoff point, digital photoplethysmography achieved a sensitivity, specificity, positive predictive value, and negative predictive value of 100%, 73.8%, 13.3%, and 100% respectively, for detecting deep vein thrombosis in asymptomatic high-risk patients. CONCLUSION:Digital photoplethysmography is a simple, noninvasive, and highly sensitive test for screening of deep vein thrombosis.
journal_name
Angiologyjournal_title
Angiologyauthors
Sharif-Kashani B,Behzadnia N,Shahabi P,Sadr Mdoi
10.1177/0003319708323494subject
Has Abstractpub_date
2009-06-01 00:00:00pages
301-7issue
3eissn
0003-3197issn
1940-1574pii
0003319708323494journal_volume
60pub_type
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