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INTERVENTION RADIOLOGY & VASCULAR Table of Contents   
Year : 2018  |  Volume : 28  |  Issue : 1  |  Page : 93-98
t-PA power-pulse spray with rheolytic mechanical thrombectomy using cross-sectional image-guided portal vein access for single setting treatment of subacute superior mesenteric vein thrombosis


1 Dayton Interventional Radiology; Wright State University, Boonshoft School of Medicine, Dayton, Ohio, USA
2 Wright State University, Boonshoft School of Medicine, Dayton, Ohio, USA
3 Lincoln Memorial University-DeBusk College of Osteopathic Medicine, Harrogate, Tennessee, USA
4 Dayton Interventional Radiology, Boonshoft School of Medicine, Dayton, Ohio, USA

Correspondence Address:
Dr. Mubin I Syed
3075 Governors Place Blvd., Ste. 120, Dayton, Ohio
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijri.IJRI_215_17

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Background: Isolated superior mesenteric vein (SMV) thrombosis is a rare but potentially fatal condition if untreated. Current treatments include transjugular or transhepatic approaches for rheolytic mechanical thrombectomy and subsequent infusions of thrombolytics. Tissue plasminogen activator (t-PA) power-pulse spray can provide benefit in a single setting without thrombolytic infusions. Computed tomography (CT) guidance for portal vein access is underutilized in this setting. Materials and Methods: Case 1 discusses acute SMV thrombosis treated with rheolytic mechanical thrombectomy alone using ultrasound guidance for portal vein access. Case 2 discusses subacute SMV thrombosis treated with the addition of t-PA power-pulse spray to the rheolytic mechanical thrombectomy, using CT guidance for portal vein access. Results: With rheolytic mechanical thrombectomy alone, the patient in Case 1 had significant improvement in abdominal pain. Follow-up CT demonstrated no residual SMV thrombosis and the patient continued to do well in long-term follow-up. With the addition of t-PA power-pulse spray to rheolytic mechanical thrombectomy, the patient in Case 2 with subacute SMV thrombosis dramatically improved postprocedure with resolution of abdominal pain. Follow-up imaging demonstrated patency to the SMV and partial resolution of thrombus. The patient continued to do well at 2-year follow-up. Conclusions: Adding t-PA power-pulse spray to rheolytic mechanical thrombectomy can provide benefit in a single setting versus mechanical thrombectomy alone and prevent the need for subsequent infusions of thrombolytic therapy. CT guidance is a useful alternative of localization for portal vein access via the transhepatic route that is nonoperator-dependent and helpful in the case of obese patients.


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