Abstract:
:The purpose of this study was to demonstrate feasibility of percutaneous transluminal aortic stenting and cava filter placement under magnetic resonance imaging (MRI) guidance exclusively using a polyetheretherketone (PEEK)-based MRI-compatible guidewire. Percutaneous transluminal aortic stenting and cava filter placement were performed in 3 domestic swine. Procedures were performed under MRI-guidance in an open-bore 1.5-T scanner. The applied 0.035-inch guidewire has a PEEK core reinforced by fibres, floppy tip, hydrophilic coating, and paramagnetic markings for passive visualization. Through an 11F sheath, the guidewire was advanced into the abdominal (swine 1) or thoracic aorta (swine 2), and the stents were deployed. The guidewire was advanced into the inferior vena cava (swine 3), and the cava filter was deployed. Postmortem autopsy was performed. Procedural success, guidewire visibility, pushability, and stent support were qualitatively assessed by consensus. Procedure times were documented. Guidewire guidance into the abdominal and thoracic aortas and the inferior vena cava was successful. Stent deployments were successful in the abdominal (swine 1) and thoracic (swine 2) segments of the descending aorta. Cava filter positioning and deployment was successful. Autopsy documented good stent and filter positioning. Guidewire visibility through applied markers was rated acceptable for aortic stenting and good for venous filter placement. Steerability, pushability, and device support were good. The PEEK-based guidewire allows either percutaneous MRI-guided aortic stenting in the thoracic and abdominal segments of the descending aorta and filter placement in the inferior vena cava with acceptable to good device visibility and offers good steerability, pushability, and device support.
journal_name
Cardiovasc Intervent Radioljournal_title
Cardiovascular and interventional radiologyauthors
Kos S,Huegli R,Hofmann E,Quick HH,Kuehl H,Aker S,Kaiser GM,Borm PJ,Jacob AL,Bilecen Ddoi
10.1007/s00270-008-9483-5subject
Has Abstractpub_date
2009-05-01 00:00:00pages
514-21issue
3eissn
0174-1551issn
1432-086Xjournal_volume
32pub_type
杂志文章abstract::Aspiration thrombectomy supported by an oscillating metal probe within the catheter allows continuous aspiration of large thrombi without catheter obstruction. Thrombus aspiration assisted by an ultrasound-driven probe (frequency 26 kHz) and by an electric motor-driven probe (frequency 40 Hz) was compared in two diffe...
journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/BF02735577
更新日期:1992-05-01 00:00:00
abstract::Modern advances in interventional radiology and nuclear medicine may now allow for safe and effective 90Y radioembolization to sites other than the liver. A general theory of predictive dosimetry based on the MIRD schema is proposed, adapted from the original partition model for liver 90Y radioembolization. ...
journal_title:Cardiovascular and interventional radiology
pub_type: 评论,信件
doi:10.1007/s00270-013-0783-z
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
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abstract::Image-guided transcatheter hepatic chemoembolization (TACE) is accepted worldwide as an effective treatment for patients with unresectable hepatocellular carcinoma and liver metastases from neuroendocrine tumors, colorectal carcinomas, and uveal melanomas. Although the technique is relatively safe, it has been associa...
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pub_type: 杂志文章
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/s00270-009-9564-0
更新日期:2010-04-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2018-09-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/BF02577724
更新日期:1991-05-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2017-11-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2012-02-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2009-09-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/s00270-003-0038-5
更新日期:2003-09-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2020-08-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/BF02563905
更新日期:1996-03-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
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更新日期:2010-02-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/s00270-005-0145-6
更新日期:2006-01-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/s00270-015-1160-x
更新日期:2016-02-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章,评审
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/s00270-018-1939-7
更新日期:2018-11-01 00:00:00
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journal_title:Cardiovascular and interventional radiology
pub_type: 杂志文章
doi:10.1007/BF00239425
更新日期:1995-07-01 00:00:00