Journal of vascular and interventional radiology : JVIR
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J Vasc Interv Radiol · Jan 2009
Techniques used for difficult retrievals of the Günther Tulip inferior vena cava filter: experience in 32 patients.
To retrospectively review experience with difficult retrievals of Günther Tulip filters (GTFs) in which various techniques were used. ⋯ Additional maneuvers were useful in these difficult retrievals of GTFs that might not otherwise be retrievable with the conventional method.
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J Vasc Interv Radiol · Jan 2009
Extrahepatic collateral artery supply to the tumor thrombi of hepatocellular carcinoma invading inferior vena cava: the prevalence and determinant factors.
To retrospectively evaluate the prevalence of extrahepatic collateral artery supply to tumor thrombi of hepatocellular carcinomas (HCCs) invading the inferior vena cava (IVC) and to assess the determining factors. ⋯ IVC tumor thrombi of HCCs are frequently supplied by extrahepatic collateral arteries, the most common of which is the right inferior phrenic artery. The significant determining factors are a history of chemoembolization and the extent of IVC tumor thrombi.
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J Vasc Interv Radiol · Jan 2009
Clinical predictors of transient ischemic attack, stroke, or death within 30 days of carotid artery stent placement with distal balloon protection.
Carotid artery stent placement has been accepted as an effective alternative to carotid endarterectomy (CEA), especially in patients at high risk in the setting of CEA. The purpose of this study was to determine potential clinical risk factors for the development of postprocedural neurologic deficits after carotid artery stent placement. ⋯ Our data suggest that carotid artery stent placement with distal balloon protection can be performed with similar periprocedural complication rates as CEA. CEA should be the first-line treatment in the management of patients older than 75 years of age.
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J Vasc Interv Radiol · Dec 2008
Multicenter Study Clinical TrialProspective evaluation of the PleurX catheter when used to treat recurrent ascites associated with malignancy.
To prospectively assess the safety of the PleurX catheter in the management of recurrent ascites in patients with advanced abdominal malignancy and the consequent quality of life among these patients. ⋯ In terminally ill patients, PleurX catheter use resulted in improvement of ascites-related discomfort and was associated with low rates of serious adverse clinical events and catheter failure.
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J Vasc Interv Radiol · Nov 2008
Clinical TrialFour-dimensional transcatheter intraarterial perfusion MR imaging for monitoring chemoembolization of hepatocellular carcinoma: preliminary results.
Angiographic endpoints for chemoembolization of hepatocellular carcinoma (HCC) are subjective, and optimal endpoints remain unknown. Transcatheter intraarterial perfusion (TRIP) magnetic resonance (MR) imaging, when performed in a combined MR/interventional radiology (MR-IR) suite, offers an objective method to quantify intraprocedural tumor perfusion changes, but was previously limited to two spatial dimensions. This study prospectively tested the hypothesis that a new volumetric acquisition over time, four-dimensional TRIP MR imaging, can measure HCC perfusion changes during chemoembolization. ⋯ Four-dimensional TRIP MR imaging can successfully measure semiquantitative changes in HCC perfusion during MR-IR-monitored chemoembolization. Future studies may correlate changes in these objective functional parameters with tumor response.