Fixed low-dose ultrasound-assisted catheter-directed thrombolysis followed by routine stenting of residual stenosis for acute ilio-femoral deep-vein thrombosis.

Engelberger, R. P.; Fahrni, Jennifer; Willenberg, Torsten Andreas; Baumann, F.; Spirk, David; Diehm, N.; Do, Dai-Do; Baumgartner, Iris; Kucher, Nils (2014). Fixed low-dose ultrasound-assisted catheter-directed thrombolysis followed by routine stenting of residual stenosis for acute ilio-femoral deep-vein thrombosis. Thrombosis and haemostasis, 111(6), pp. 1153-1160. Schattauer 10.1160/TH13-11-0932

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Patients with ilio-femoral deep-vein thrombosis (DVT) are at high risk of developing the post-thrombotic syndrome (PTS). In comparison to anticoagulation therapy alone, extended venography-guided catheter-directed thrombolysis without routine stenting of venous stenosis in patients with ilio-femoral DVT is associated with an increased risk of bleeding and a moderate reduction of PTS. We performed a prospective single-centre study to investigate safety, patency and incidence of PTS in patients with acute ilio-femoral DVT treated with fixed-dose ultrasound-assisted catheter-directed thrombolysis (USAT; 20 mg rt-PA during 15 hours) followed by routing stenting of venous stenosis, defined as residual luminal narrowing >50%, absent antegrade flow, or presence of collateral flow at the site of suspected stenosis. A total of 87 patients (age 46 ± 21 years, 60% women) were included. At 15 hours, thrombolysis success ≥50% was achieved in 67 (77%) patients. Venous stenting (mean 1.9 ± 1.3 stents) was performed in 70 (80%) patients, with the common iliac vein as the most frequent stenting site (83%). One major (1%; 95% CI, 0-6%) and 6 minor bleedings (7%; 95%CI, 3-14%) occurred. Primary and secondary patency rates at 1 year were 87% (95% CI, 74-94%) and 96% (95% CI, 88-99%), respectively. At three months, 88% (95% CI, 78-94%) of patients were free from PTS according to the Villalta scale, with a similar rate at one year (94%, 95% CI, 81-99%). In conclusion, a fixed-dose USAT regimen followed by routine stenting of underlying venous stenosis in patients with ilio-femoral DVT was associated with a low bleeding rate, high patency rates, and a low incidence of PTS.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Angiology

UniBE Contributor:

Fahrni, Jennifer; Willenberg, Torsten Andreas; Spirk, David; Do, Dai-Do; Baumgartner, Iris and Kucher, Nils

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0340-6245

Publisher:

Schattauer

Language:

English

Submitter:

Catherine Gut

Date Deposited:

09 Oct 2014 09:42

Last Modified:

11 Sep 2017 12:04

Publisher DOI:

10.1160/TH13-11-0932

PubMed ID:

24477468

Uncontrolled Keywords:

Haemorrhage, mechanical thrombolysis, post-thrombotic syndrome, vascular patency, venous thrombosis

BORIS DOI:

10.7892/boris.50753

URI:

https://boris.unibe.ch/id/eprint/50753

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