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| http://dx.doi.org/10.1016/j.jscai.2024.102144 | DOI Listing |
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Macrowire for intracranial thrombectomy: An early experience of a new device and technique for anterior circulation large vessel occlusion stroke.
Interv Neuroradiol
December 2024
Department of Radiology, Mayo Clinic, Rochester, MN, USA.
Background And Purpose: Mechanical thrombectomy (MT) has become the standard of care for treatment of acute ischemic stroke secondary to large vessel occlusion up to 24 h from the last known normal time. With ADAPT and SOLUMBRA techniques, classically, a large bore aspiration catheter is delivered over a microcatheter and microwire crossing the clot to perform thrombectomy. Recently, a novel macrowire (Colossus 035 in.
View Article and Find Full Text PDFIntraoperative transbronchial metallic coil marking guided by mobile 3D C-arm for resection of a small peripheral lung lesion.
J Thorac Dis
November 2024
Department of Thoracic, Endocrine Surgery and Oncology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
Sublober resection of small peripheral lung lesions using video-assisted thoracoscopic surgery may require marking and confirmation using 3D imaging in the interventional radiology suite or in the hybrid operating room (HOR) before surgery is started. We report a novel approach for intraoperative transbronchial metallic coil marking followed by thoracoscopic wedge resection in a conventional operating room under mobile 3D C-arm guidance. Under general anesthesia, an ultrathin video-bronchoscope was inserted into an objective bronchus guided with virtual bronchoscopic navigation, and a coil-feeding microcatheter was introduced through the bronchoscope's channel.
View Article and Find Full Text PDFNovel Rat Model of Embolic Cerebral Ischemia Using a Radiopaque Blood Clot and a Microcatheter Under Fluoroscopy.
Transl Stroke Res
November 2024
Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishishimbashi, Minato-Ku, Tokyo, 105-8461, Japan.
Article Synopsis
- Researchers developed a new rat model of thromboembolic stroke to achieve consistent infarct sizes and locations within the middle cerebral artery (MCA) without needing arterial ligation.
- The model involved using a microcatheter to place a zirconium dioxide blood clot in the artery, and monitoring was done through fluoroscopy over 24 hours.
- The results showed that the blood clot position remained stable in most rats, with a median infarct volume of 242 mm, highlighting the model's potential for testing new stroke treatments.
Compact Arterial Monitoring Device Use in Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA): A Simple Validation Study in Swine.
Cureus
October 2024
Department of Anesthesiology, Uniformed Services University of the Health Sciences, Bethesda, USA.
Article Synopsis
- - Hemorrhage is the main cause of preventable death in trauma situations, leading to military and civilian advancements in medical practices, particularly through the use of tourniquets to manage extremity bleeding and save lives.
- - While tourniquets have significantly decreased deaths from bleeding in military settings, noncompressible hemorrhage still poses a major risk, especially before patients receive definitive medical care.
- - The study explores using a small, disposable pressure monitor during resuscitative endovascular balloon occlusion of the aorta (REBOA) to enhance blood pressure monitoring, facilitate better resuscitation practices, and reduce the need for blood products in extreme environments.
A U-turn wiring technique for reverse-angled branches adjacent to ectasia: a case series.
Eur Heart J Case Rep
October 2024
Department of Cardiology, Shonan Kamakura General Hospital, Okamoto 1370-1 Kamakura, Kamakura, 247-8533Japan.
Background: The reverse-wiring technique (RWT) using a hairpin-bend wire is useful for percutaneous coronary intervention of a bifurcation lesion with an extremely angulated side branch (SB); however, it is not necessarily effective in some anatomical situations. We report a novel SB wiring technique, the U-turn wiring technique (UWT), that is useful for wiring an extremely angled SB proximal to the ectasia.
Case Summary: In the first case, the bare wire took a U-turn in the ectasia of the diagonal branch and crossed towards the angled left anterior descending artery, but a coronary dissection occurred in the diagonal branch due to the continuous wire-pushing force.
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