Perioperative asymptomatic venous thrombosis: Role of duplex scanning versus venography

Barnes, Robert W.; Nix, M. Lee; Barnes, C. Lowry; Lavender, Robert C.; Golden, William E.; Harmon, Ben H.; Ferris, Ernest J.; Nelson, Carl L.

doi:10.1067/mva.1989.vs0090251

Cited by 30 publications

(29 citation statements)

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“…In isolated calf vein thrombosis, propagation to proximal DVT has been demonstrated in 4% to 32% (16)(17)(18)(19)(20) and pulmonary embolism in 10% to 21% (21)(22)(23).…”

Section: Discussionmentioning

confidence: 98%

Interobserver Agreement of Complete Compression Ultrasound for Clinically Suspected Deep Vein Thrombosis

Schwarz¹,

Schmidt²,

Schmidt³

et al. 2002

Clin Appl Thromb Hemost

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The interobserver variability of compression ultrasound of proximal and distal veins in clinically suspected deep vein thrombosis was assessed. One hundred one symptomatic legs of all patients referred for clinically suspected deep vein thrombosis on 21 consecutive workdays were examined by two investigators independently according to a standardized protocol of complete compression ultrasound (CCUS) with 28 predefined venous segments between groin and ankle. Incompressible vein segments were defined as thrombotic. Cohen's kappa coefficient was used to calculate interobserver variability regarding diagnosis of deep vein thrombosis. Kappa for entire lower extremity was 0.94 (95% CI, 0.87-1). Kappa for proximal veins was 1; for calf veins 0.9 (95% CI, 0.79-1). For the posterior tibial veins and peroneal veins, kappa was 0.84 (95% CI, 0.66-1) and 0.77 (95% CI, 0.59-0.94), respectively. The results show that almost complete interobserver agreement can be achieved in compression ultrasound of both proximal and distal deep veins conducted according to a standardized examination protocol in clinically suspected deep vein thrombosis.

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“…In isolated calf vein thrombosis, propagation to proximal DVT has been demonstrated in 4% to 32% (16)(17)(18)(19)(20) and pulmonary embolism in 10% to 21% (21)(22)(23).…”

Section: Discussionmentioning

confidence: 98%

Interobserver Agreement of Complete Compression Ultrasound for Clinically Suspected Deep Vein Thrombosis

Schwarz¹,

Schmidt²,

Schmidt³

et al. 2002

Clin Appl Thromb Hemost

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show abstract

“…It is possible for small nonocclusive thrombi in the femoral system to be overlooked with duplex sonography. 16 Care should be taken, therefore, to ensure that the femoral veins are visualized in their entirety.…”

Section: Common and Proximal Superficial Femoral Vein Thrombusmentioning

confidence: 99%

Distribution of acute lower extremity deep venous thrombosis in symptomatic and asymptomatic patients: imaging implications.

Rose

Zwiebel

Miller

1994

Journal of Ultrasound in Medicine

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The ability of noninvasive imaging modalities to di· agnose lower extremity DVT depends, in part, on the anatomic location of the thrombus. To define the pattern of thrombus formation in symptomatic and asymptomatic high-risk patient populations, 172 con• secutive lower extremity venograms were submitted to blinded, retrospective interpretation. Acute DVT was present in 59 venograms (34 symptomatic and 25 asymptomatic patients).Among symptomatic patients with acute DVT, 26 of 34 (76%) patients had an above-knee thrombus and only eight of 34 (24%) patients had a thrombus isolated to the calf. In comparison, only three of 25 (12%) asymptomatic patients with DVT had an above-knee thrombus and 22 of 25 (88%) patients had a thrombus L ower extremity DVT is a common disorder that may have serious consequences in the form of a pulmonary embolism or lower extremity chronic venous insufficiency. The distribu-ABBREVIATIONS DVI', Deep venous thrombosis

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“…Barnes et al examined lower extremity deep veins in 7S patients undergoing total hip or knee arthroplasty. In 52% of the 25 patients with postoperative DVT identified by venogram, thrombi were isolated to the calf veins, yet were not detected by duplex [62]. Conversely, when there is proximal DVT, CFDS detects concomitant tibial vein thrombosis with reported sensitivity and specificity up to 95% compared to venography [63].…”

Section: Lower Extremity Venous Duplex Ultrasonographymentioning

confidence: 93%

Peripheral Vascular Diagnostic Methods

Lovelace¹,

Moneta²

2002

Pan Vascular Medicine

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Perioperative asymptomatic venous thrombosis: Role of duplex scanning versus venography

Cited by 30 publications

References 0 publications

Interobserver Agreement of Complete Compression Ultrasound for Clinically Suspected Deep Vein Thrombosis

Interobserver Agreement of Complete Compression Ultrasound for Clinically Suspected Deep Vein Thrombosis

Distribution of acute lower extremity deep venous thrombosis in symptomatic and asymptomatic patients: imaging implications.

Peripheral Vascular Diagnostic Methods

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