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Duplex B-Mode Imaging for the Diagnosis of Deep Venous Thrombosis
Mark Langsfeld, MD;
Falls B. Hershey, MD;
Lynn Thorpe, RN;
Arthur I. Auer, MD;
H. Bradley Binnington, MD;
Joseph J. Hurley, MD;
John J. Woods, MD
Arch Surg. 1987;122(5):587-591.
Abstract
Real-time B-mode venous imaging has numerous advantages for the diagnosis of acute deep venous thrombosis (DVT). During the 11 months ending Feb 1, 1986, we examined 431 patients for possible acute DVT using a 5-MHz hand-held continuous wave Doppler stethoscope and a duplex real-time B-mode imager. Clots were seen in 86 patients in multiple views and cross sections. Normal veins completely collapsed with probe pressure on the skin. Blood flow was seen and heard, and abnormal flow was detected. There were no false-negatives (100% sensitivity). Early in the study, two false-positives occurred (78% specificity), but these errors will not recur. These tests are accurate, noninvasive, and inexpensive. They differentiate acute from chronic thrombosis and are repeatable. Duplex imaging may become the "gold standard" for the diagnosis of DVT.
(Arch Surg 1987;122:587-591)
Author Affiliations
From the Department of Surgery, St Louis University Hospitals (Dr Langsfeld); and the Department of Vascular Surgery (Drs Hershey, Auer, Binnington, Hurley, and Woods) and the Vascular Laboratory (Ms Thorpe), St John's Mercy Medical Center, St Louis.
Footnotes
Accepted for publication Jan 12, 1987.
Read before the 94th Annual Meeting of the Western Surgical Association, Dearborn, Mich, Nov 18, 1986.
Reprint requests to 621 S New Ballas Rd, Suite 307, St Louis, MO 63141 (Dr Hershey).
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