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Guide extension catheter

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https://www.readbyqxmd.com/read/29615647/early-clinical-experience-with-guidezilla-for-transradial-interventions-in-china
#1
Min Ma, Kai-Yue Diao, Xiao-Jing Liu, Yong He
Anatomic variations, calcified, tortuous, angulated lesions, and lack of support to increase the complexity of transradial intervention (TRI). Guidezilla is a mother-and-child catheter enabling increased support during complex interventions. As there are few published reports of its use, we describe our experience using this device to assist TRI in Chinese patients. The aim of this study was to investigate the efficacy and safety of the Guidezilla guide extension catheter in complex coronary interventions...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29529917/ultrasound-guided-intravenous-access-in-adults-using-sonostik-%C3%A2-a-novel-encapsulated-sterile-guidewire-a-prospective-cohort-trial
#2
Keith S Boniface, Maxine A LeSaux, Sohaib Mandoorah, Amit Patel, Kai L Neander, Hamid Shokoohi
PURPOSE: We evaluated the performance of an encapsulated guidewire designed for single-handed use with ultrasound-guided vascular access (SonoStik) with Seldinger technique, as compared with conventional intravenous catheters placed under ultrasound guidance in healthy subjects. METHODS: This is a prospective cohort trial in healthy subjects in which each subject served as his/her own control by having a SonoStik ultrasound intravenous cannulation placed in one arm and a conventionally placed, standard ultrasound intravenous cannulation placed in the other arm...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29521472/guideliner%C3%A2-as-guide-catheter-extension-for-the-unreachable-mammary-bypass-graft
#3
Alec Vishnevsky, Michael P Savage, David L Fischman
Percutaneous coronary intervention (PCI) of mammary artery bypass grafts through a trans-radial (TR) approach can present unique challenges, including coaxial vessel engagement of the guiding catheter, adequate visualization of the target lesion, sufficient backup support for equipment delivery, and the ability to reach very distal lesions. The GuideLiner catheter, a rapid exchange monorail mother-in-daughter system, facilitates successful interventions in such challenging anatomy. We present a case of a patient undergoing PCI of a right internal mammary artery (RIMA) graft via TR access in whom the graft could not be engaged with any guiding catheter...
March 9, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29516242/addressing-infra-popliteal-thrombus-in-iliofemoral-dvt-the-criss-cross-technique
#4
Duarte C Rego, Ahmed Khairy Sayed Ahmed, Gerard J O'Sullivan
PURPOSE: The purpose of this work was to describe the results of a technique of simultaneous antegrade and retrograde vascular access ("criss-cross") to the popliteal vein to achieve venous recanalization in patients with acute, extensive, iliofemoral DVT with concomitant popliteal and calf vein thrombosis. MATERIALS AND METHODS: Seven patients were treated using this technique, in three patients as a bailout option after failed posterior tibial vein puncture and in four as a first option...
March 7, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29397452/update-on-the-treatment-of-spontaneous-intraparenchymal-hemorrhage-medical-and-interventional-management
#5
REVIEW
Thomas J Cusack, J Ricardo Carhuapoma, Wendy C Ziai
PURPOSE OF REVIEW: Spontaneous intraparenchymal hemorrhage (IPH) is a prominent challenge faced globally by neurosurgeons, neurologists, and intensivists. Over the past few decades, basic and clinical research efforts have been undertaken with the goal of delineating biologically and evidence-based practices aimed at decreasing mortality and optimizing the likelihood of meaningful functional outcome for patients afflicted with this devastating condition. Here, the authors review the medical and surgical approaches available for the treatment of spontaneous intraparenchymal hemorrhage, identifying areas of recent progress and ongoing research to delineate the scope and scale of IPH as it is currently understood and treated...
February 3, 2018: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29330575/a-new-technique-for-minimal-invasive-complete-spinal-cord-injury-in-minipigs
#6
Elena E Foditsch, Gratian Miclaus, Irina Patras, Ioan Hutu, Karin Roider, Sophina Bauer, Günter Janetschek, Ludwig Aigner, Reinhold Zimmermann
BACKGROUND: The aim of this study was to develop a minimal invasive complete spinal cord injury (SCI) minipig model for future research applications. The minipig is considered a translationally relevant model for SCI research. However, a standardized minimal invasive complete SCI model for pigs has not yet been established. METHODS: Adult Göttingen minipigs were anesthetized and placed in extended prone position. After initial computed tomography (CT) scan, the skin was incised, a needle placed in the epidural fatty tissue...
March 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29329067/case-report-iatrogenic-brachial-artery-dissection-with-complete-anterograde-occlusion-during-elective-arterial-line-placement
#7
Laurence Weinberg, Diana Abu-Ssaydeh, Manfred Spanger, Patrick Lu, Michael H-G Li
INTRODUCTION: Brachial arterial catheters provide a more accurate reflection of central aortic arterial pressure compared to their radial counterparts. Although brachial arterial line complications are uncommon, we report a case of a rare iatrogenic brachial artery dissection with complete anterograde occlusion from elective arterial line placement. PRESENTATION OF CASE: A 41-year-old female presented for a right upper and middle lobe resection of a large neuroendocrine lung cancer...
2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29305903/-around-the-world-how-to-reach-native-coronary-artery-lesions-through-long-and-tortuous-aortocoronary-bypass-grafts
#8
LETTER
Peter Tajti, Yader Sandoval, Emmanouil S Brilakis
No abstract text is available yet for this article.
January 3, 2018: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/29159720/spontaneous-rotation-of-the-monorail-type-guide-extension-support-catheter-during-advancement-of-a-curved-guiding-catheter-the-potential-hazard-of-twisting-with-the-coronary-guidewire
#9
Sho Hashimoto, Akihiko Takahashi, Takeshi Yamada, Yukio Mizuguchi, Norimasa Taniguchi, Tetsuya Hata, Shunsuke Nakajima
The extension support guiding catheter has been used to perform complex percutaneous coronary intervention to increase back-up support for the guiding catheter or to ensure deep intubation for device delivery. However, because of its monorail design, advancement of the stent into the distal extension tubing segment is sometimes problematic. Although this problem is considered due to simple collision of the stent, operators have observed tangling between a monorail extension catheter and coronary guidewire in some patients...
November 20, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/29158918/challenges-with-surveillance-of-healthcare-associated-infections-in-intensive-care-units-in-south-africa
#10
Saajida Mahomed, Ozayr Mahomed, A Willem Sturm, Stephen Knight, Prashini Moodley
Background: The incidence of healthcare-associated infections (HAIs) in the public health sector in South Africa is not known due to the lack of a surveillance system. We report on the challenges experienced in the implementation of a surveillance system for HAIs in intensive care units (ICUs). Methods: A passive, paper-based surveillance system was piloted in eight ICUs to measure the incidence of ventilator-associated pneumonia, catheter-associated urinary tract infection, and central line-associated bloodstream infection...
2017: Critical Care Research and Practice
https://www.readbyqxmd.com/read/29153503/successful-removal-of-an-entrapped-rotational-atherectomy-burr-using-a-soft-guide-extension-catheter
#11
Kenichi Sakakura, Yousuke Taniguchi, Takunori Tsukui, Kei Yamamoto, Shin-Ichi Momomura, Hideo Fujita
No abstract text is available yet for this article.
December 26, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29138364/retrograde-cto-pci-of-native-coronary-arteries-via-left-internal-mammary-artery-grafts-insights-from-a-multicenter-u-s-registry
#12
Peter Tajti, Aris Karatasakis, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc A Jaffer, Robert W Yeh, Mitul Patel, Ehtisham Mahmud, James W Choi, Anthony H Doing, Catalin Toma, Barry Uretsky, Santiago Garcia, Jeffrey W Moses, Manish Parikh, Ajay Kirtane, Ziad A Ali, Raja Hatem, Judit Karacsonyi, Barbara A Danek, Bavana V Rangan, Subhash Banerjee, Imre Ungi, Emmanouil S Brilakis
BACKGROUND: Retrograde percutaneous coronary intervention (PCI) of native coronary artery chronic total occlusion (CTO) via left internal mammary artery (LIMA) graft has received limited study. METHODS AND RESULTS: We compared the clinical and procedural characteristics and outcomes of retrograde CTO-PCI through LIMA grafts vs other conduits in a contemporary multicenter CTO registry. The LIMA was used as the collateral channel in 20 of 990 retrograde CTO-PCIs (2...
November 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29117919/guideliner-extension-catheter-facilitated-side-strut-stenting-technique-for-the-treatment-of-right-coronary-artery-ostial-in-stent-restenosis
#13
REVIEW
George Kassimis, Tushar Raina
Percutaneous coronary intervention (PCI) for the treatment of right coronary artery (RCA) ostial in-stent restenosis (ISR) can be challenging. The technical difficulties are compounded by excessive stent protrusion into the aorta, preventing coaxial engagement of the guiding catheter and wiring through the central stent lumen. Through this review, we aim to highlight the practical challenges encountered during the treatment of ostial RCA ISR through PCI and evaluate the various interventional techniques that have been used...
September 22, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29064539/guidezilla-extension-catheter-for-percutaneous-interventional-therapy-of-complex-lesions-via-a-transradial-approach-case-series-from-a-single-center-experience
#14
Chen-Yang Chen, Yi-Yuan Huang, Liang Tang, Xin-Qun Hu, Zhen-Fei Fang, Sheng-Hua Zhou
BACKGROUND: Guide catheter extension systems have become one of the most powerful tools for addressing complex lesions during percutaneous coronary intervention (PCI), but data on a new-generation rapid exchange extension catheter - the Guidezilla catheter - are limited. Summarized herein reports on experience using the Guidezilla catheter for complex coronary lesions via a transradial approach at the documented institution an evaluation of its safety and efficacy. METHODS: A total of 25 patients (19 males and 6 females) who underwent PCI via the radial approach with the Guidezilla catheter for adequate back-up support and to facilitate equipment delivery were enrolled...
October 24, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28984768/the-safety-and-feasibility-of-guidezilla-catheter-in-complex-coronary-interventions-and-an-observational-study
#15
Jianying Ma, Lei Hou, Juying Qian, Lei Ge, Feng Zhang, Shufu Chang, Rende Xu, Qing Qin, Junbo Ge
The monorail Guidezilla guide extension catheter was designed to provide additional backup and facilitate device delivery in percutaneous coronary intervention (PCI) for complex coronary anatomy such as chronic total occlusion (CTO), extreme vessel tortuosity, diseased bypass grafts, and anomalous coronary arteries, among others.The present retrospective, single-center study included 188 consecutive patients who underwent PCI using the Guidezilla catheter from March 2015 to August 2016. Study outcomes were rates of target lesion crossing success, procedural success, and complications...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28927635/coronary-access-following-tavi-selective-coronary-engagement-using-balloon-assisted-tracking-of-a-guide-catheter-extension
#16
Matthew Jackson, Paul D Williams
performing percutaneous coronary intervention (PCI) following transcatheter aortic valve implantation (TAVI) will become more frequent with the increasing use of TAVI in lower surgical risk populations. The ideal management strategy for coronary artery disease (CAD) in the setting of TAVI is not well defined and CAD is often left untreated prior to TAVI. Engaging the coronary ostia through the TAVI side cells can be challenging; techniques for rapid coronary cannulation, especially in the acute setting, need to be developed...
July 31, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28878100/a-time-to-act-and-a-time-to-watch-severe-guide-catheter-induced-proximal-coronary-dissection-with-extensive-ascending-aorta-and-arch-dissection-managed-by-immediate-coronary-stenting-and-watchful-waiting
#17
Jerrett K Lau, Probal Roy, Rong Bing, Paul G Bannon, Harry C Lowe
In this case, prompt stenting of the dissection entry flap allowed for stabilization and eventual healing of a severe catheter-induced aortic dissection, without resort to surgical intervention.
September 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28759818/histological-topography-of-the-atrioventricular-node-and-its-extensions-in-relation-to-the-cardiothoracic-surgical-landmarks-in-normal-human-hearts
#18
Arpandeep Randhawa, Tulika Gupta, Anjali Aggarwal, Daisy Sahni, Rana Sandip Singh
BACKGROUND: Atrioventricular (AV) nodal injury which results in cardiac conduction disorders is one of the potential complications of heart valve surgeries and radiofrequency catheter ablations. Understanding the topography of the AV conduction system in relation to the tricuspid and mitral valves will help in reducing these complications. METHODS: A tissue block of 3cmx4cm, which contain the AV node, bundle of His and the AV nodal extensions, was excised at the AV septal junction in 20 apparently normal human hearts...
September 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28758547/design-of-a-sensorized-guiding-catheter-for-in-situ-laser-fenestration-of-endovascular-stent
#19
Roberta Piazza, Sara Condino, Aldo Alberti, Raffaella Nice Berchiolli, Gioachino Coppi, Marco Gesi, Vincenzo Ferrari, Mauro Ferrari
PURPOSE: The in situ fenestration of a standard endograft is currently limited by difficulties in targeting the fenestration site under fluoroscopic control and by the lack of a safe method to perforate the graft. Evidence in the literature suggests the use of a 3 D electromagnetic navigator to accurately guide the endovascular instruments to the target and a laser to selectively perforate the graft. The aim of this work is to provide design guidelines to develop a sensorized catheter to guide the laser tool to the fenestration site and conduct preliminary testing of the feasibility of the proposed solution...
December 2017: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/28752008/importance-of-sonography-for-guiding-central-venous-cannulation-in-patients-with-neurofibromatosis
#20
V K Mohan, Neisevilie Nisa
A 15-year-old boy with neurofibromatosis type 1 (NF1) was referred to us for central venous catheter insertion, and on ultrasound of the neck, he was found to have extensive involvement of the brachial plexus due to the nerve sheath tumour. Multiple hypoechogenic lesions resembling the internal jugular vein and internal carotid artery were visualised and could be differentiated from the vessels by Doppler ultrasound. The importance of analyzing sonographic images of nerve sheath tumours, which can mimic blood vessels, and the importance of Doppler ultrasound for guiding central venous catheters in such patients to avoid nerve injury are discussed in this case report...
June 2017: Turkish Journal of Anaesthesiology and Reanimation
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