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Endovascular embolization

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https://www.readbyqxmd.com/read/29038877/the-assessment-of-the-risk-of-acute-kidney-injury-in-patients-undergoing-an-urgent-endovascular-treatment-due-to-severe-renal-bleeding
#1
P Piasecki, T Ząbkowski, K Brzozowski, J Narloch, P Zięcina, M Dziuk, K Tkaczewski, H Zieliński
INTRODUCTION: This study was designed to assess the clinical factors associated with the development of acute kidney injury (AKI) in patients undergoing endovascular treatment during the course of severe renal bleeding. METHODS: A retrospective analysis was performed of 36 consecutive patients who were treated endovascularly between January 2006 and December 2016 for anemia caused by iatrogenic (26 pts) or posttraumatic (10 pts) renal bleeding. Typical patient data, baseline, and postprocedural blood parameters were evaluated...
October 16, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29034021/endovascular-repair-for-kommerell-s-diverticulum-and-right-sided-aortic-arch
#2
Kei Kazuno, Seiichiro Murata
A 74-year-old man with hoarseness was diagnosed with a right-sided aortic arch and Kommerell's diverticulum by computed tomography (CT). The diverticulum had a maximum diameter of 33 mm, and surgical intervention was chosen because of the possibility of rupture. A right common carotid to right subclavian artery bypass was constructed, stent-graft was placed after the branching of the right common carotid artery, and coil embolization of the diverticulum was performed via left brachial artery. No leaks were found on postoperative CT...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29029713/techniques-and-devices-for-catheter-directed-therapy-in-pulmonary-embolism
#3
Alok Bhatt, Ramsey Al-Hakim, James F Benenati
The clinical presentation of a patient with acute pulmonary embolism (PE) can be classified into 3 categories: low-risk, submassive (presence of right heart strain), and massive (hemodynamic compromise). Massive PE is associated with high morbidity or mortality and typically treated with systemic intravenous thrombolysis. Over the last 2 decades, however, catheter-directed techniques have become an increasingly popular treatment modality for patients with a contraindication to systemic thrombolysis or without clinical improvement after systemic thrombolysis...
September 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/29029712/advanced-cardiopulmonary-support-for-pulmonary-embolism
#4
Oren Friedman, James M Horowitz, Danny Ramzy
Management of high-risk pulmonary embolism (PE) requires an understanding of the pathophysiology of PE, options for rapid clot reduction, critical care interventions, and advanced cardiopulmonary support. PE can lead to rapid respiratory and hemodynamic collapse via a complex sequence of events leading to acute right ventricular failure. Importantly, reduction in pulmonary vascular resistance must be accomplished either by systemic thrombolytics, catheter directed thrombolytics, endovascular clot extraction, or surgical embolectomy...
September 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/29026622/lower-extremity-mycotic-aneurysm-in-a-patient-with-listeria-monocytogenes-associated-prosthetic-valve-endocarditis
#5
Elham Rahmati, P Jan Geiseler, Rosemary C She
Introduction.Listeria monocytogenes is a rare etiology of infectious endocarditis with only 30 cases of prosthetic valve and about twice as many native valve infections described in the literature. We describe an unusual presentation of an endovascular embolic phenomenon with associated lower extremity mycotic aneurysm due to Listeria monocytogenes prosthetic aortic valve and aortic endograft infection. Case presentation. This is a case of an elderly gentleman with prior history of bioprosthetic aortic valve placement and aortic arch repair who was admitted with several weeks of constitutional symptoms and left lower leg pain...
May 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29026365/incidental-finding-of-bronchopulmonary-sequestration-in-a-64-year-old-female
#6
Pichapong Tunsupon, Ayesha Arshad, Sumit Patel, M Jeffery Mador
BACKGROUND: Bronchopulmonary sequestration is a congenital abnormality of the primitive foregut. In adults, the typical age at presentation is 20-25 years. CASE REPORT: A 64-year-old female was referred for evaluation of an 8 × 6-cm right lower lobe cystic lesion. Her medical history was significant for recurrent right lower lobe pneumonia requiring multiple hospitalizations. Her physical examination was significant for crackles at the right lung base. Computed tomography (CT) of the chest with contrast showed cystic changes with thickened septation of the medial segment of the right lower lobe lacking distinct visceral pleura and with arterial supply from the anomalous branch of the thoracic aorta arising near the celiac trunk...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29025534/-endovascular-treatment-of-a-gastroduodenal-artery-pseudoaneurysm-rupture-after-a-car-accident
#7
Sofia Dutra, Filipe Veloso Gomes, Tiago Bilhim, Élia Coimbra
The authors present a case of a 39-year-old man with alcoholic chronic pancreatitis that was admitted in the emergency department after a car accident, complaining of abdominal pain and looking pale. The patient was hemodinamically unstable, requiring blood transfusions. He underwent computed tomography angiogram of the abdomen and pelvis, showing a pseudoaneurysm of the gastroduodenal artery and a hemoperitoneum. He was referred to our interventional radiology unit and submitted to endovascular treatment, consisting of 'backdoor' and 'frontdoor' embolization of the gastroduodenal artery and pseudoaneurysm neck with coils, with total exclusion in control angiography...
September 29, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/29022856/hybrid-technique-for-the-management-of-thoracoabdominal-aortic-thrombosis-and-symptomatic-trans-atlantic-inter-society-consensus-c-aorto-iliac-disease
#8
Aasim Khan, Thodur Vasudevan
Objective Thrombotic disease of the thoracic and abdominal aorta co-existing with aorto-iliac disease is a rare clinical association, which poses a great therapeutic challenge and adds to the complexity of the open surgical repair. Method We describe a case of 53-year-old woman with symptomatic thrombus in the thoracic and abdominal aorta down to the aortic bifurcation, which was successfully treated by Thoracic EndoVascular Aortic Repair via the left subclavian artery, open thrombectomy and aorto-iliac bypass...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29021314/augmented-3d-venous-navigation-for-neuroendovascular-procedures
#9
Raphaël Blanc, Robert Fahed, Pascal Roux, Stanislas Smajda, Gabriele Ciccio, Jean-Philippe Desilles, Hocine Redjem, Mikael Mazighi, Humain Baharvahdat, Michel Piotin
BACKGROUND: Endovascular venous access is increasingly used for the treatment of many cerebrovascular diseases. The quality of venous roadmapping through arterial injection can be problematic because of contrast media dilution, slow flow velocity, and unilateral opacification of the venous system. OBJECTIVE: To describe our experience with the VesselNavigator (Philips Healthcare, Best, The Netherlands) in performing live 3D roadmapping for intracranial venous procedures...
October 11, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29021312/incompletely-obliterated-cranial-arteriovenous-fistulae-are-safely-and-effectively-treated-with-adjuvant-%C3%AE%C2%B5-aminocaproic-acid
#10
Brian M Howard, Jonathan A Grossberg, Adam Prater, C Michael Cawley, Jacques E Dion, Frank C Tong
BACKGROUND: Administration of ε-aminocaproic acid (εACA), as adjuvant therapy following incompletely embolized cranial dural arteriovenous (dAVFs) and direct carotid artery to cavernous sinus fistulae (CCFs), is a strategy to promote post-procedural thrombosis. However, the efficacy of εACA to treat incompletely obliterated dAVFs and CCFs has not been published. The purpose of this study was to determine if administration of εACA following incomplete embolization of cranial dAVFs or CCFs was associated with an increased likelihood of cure on follow-up imaging compared with patients not given adjuvant εACA...
October 11, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29021310/embolization-of-palpebral-and-orbito-frontal-fistulas-technical-and-anatomical-considerations-in-treating-high-flow-superficial-skin-lesions-with-liquid-embolics
#11
Edgar A Samaniego, Mark Fisher, David Hasan, Waldo R Guerrero, Johanna T Fifi, Laura Bottani, Santiago Ortega-Gutierrez
The treatment of palpebral and periorbital fistulas may be challenging due to the presence of multiple anastomosis with eloquent ophthalmic and intracranial vascular territories. Moreover, cosmetic and functional characteristics of this area pose unique challenges to open surgical approaches and endovascular therapy. We review the advantages and disadvantages of different liquid embolics in treating palpebral and periorbital fistulas as we describe three successfully treated cases. Moreover, we describe important anatomical landmarks that should be considered at the time of treatment of these lesions...
October 11, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29016223/impending-carotid-blowout-from-a-large-neck-mass-treated-sequentially-with-endovascular-coil-embolization-followed-by-induction-chemotherapy
#12
Rohit Venkatesan, Natasha Hirani, Maurice Willis, Bagi Jana, Zulfiqar Cheema
No abstract text is available yet for this article.
October 10, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28994833/the-efficacy-and-safety-of-endovascular-recanalization-of-occluded-large-cerebral-arteries-during-the-subacute-phase-of-cerebral-infarction-a-case-series-report
#13
Kangning Chen, Xianhua Hou, Zhenhua Zhou, Guangjian Li, Qu Liu, Li Gui, Jun Hu, Shugui Shi
BACKGROUND: Intravenous tissue plasminogen activator with or without mechanical thrombectomy during the acute phase are approved therapies for ischaemic stroke. Due to the short treatment time window (<6 hours) and often treatment failure, these patients would still have an intracranial arterial occlusion (IAO). It is unclear whether these patients can benefit from subsequent interventional recanalizationof their occluded artery in the subacute phase. In this retrospective study, we have examined the efficacy and safety in patients who have received either percutaneous transluminal angioplasty (PTA) or percutaneous transluminal angioplasty and stenting (PTAS) for IAO in the subacute phase of their stroke...
September 2017: Stroke and Vascular Neurology
https://www.readbyqxmd.com/read/28994804/biodegradable-magnesium-stent-treatment-of-saccular-aneurysms-in-a-rat-model-introduction-of-the-surgical-technique
#14
Edin Nevzati, Jeannine Rey, Daniel Coluccia, Donato D'Alonzo, Basil Grüter, Luca Remonda, Javier Fandino, Serge Marbacher
The steady progess in the armamentarium of techniques available for endovascular treatment of intracranial aneurysms requires affordable and reproducable experimental animal models to test novel embolization materials such as stents and flow diverters. The aim of the present project was to design a safe, fast, and standardized surgical technique for stent assisted embolization of saccular aneurysms in a rat animal model. Saccular aneurysms were created from an arterial graft from the descending aorta.The aneurysms were microsurgically transplanted through end-to-side anastomosis to the infrarenal abdominal aorta of a syngenic male Wistar rat weighing >500 g...
October 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28990732/first-use-of-micro-vascular-plugs-in-australia-endovascular-treatment-of-pulmonary-arteriovenous-malformation
#15
Liat Barrett, Nicholas I Brown, Varghese Pynadath Joseph
This report describes the first Australian experience with the Micro Vascular Plug System (MVP), as a permanent embolic device for the treatment of pulmonary arteriovenous malformations (PAVMs). MVPs deployed in small vessels between 2 mm and 5 mm are demonstrated to be feasible, safe and effective treatment for PAVMs.
October 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28988940/dual-lumen-balloon-to-increase-onyx-venous-penetration-in-the-treatment-of-spinal-dural-arteriovenous-fistulas
#16
Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Alexandre Cordeiro Ulhoa, Guilherme Seizem Nakiri, Daniel Giansante Abud
PURPOSE: Spinal dural arteriovenous fistulas (sDAVF) are the most common spinal vascular lesions. The arterialization of the recipient vein results in venous hypertension and chronic ischemia. Intravascular injection of acrylic glue in order to occlude the draining vein is the principle of endovascular treatment, but a significant portion of embolization procedures do not succeed. We present our initial experience of endovascular balloon augmented embolization of sDAVF using a dual-lumen balloon...
October 5, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28987840/endovascular-treatment-of-ruptured-vertebrobasilar-dissecting-aneurysms-using-flow-diversion-embolization-devices-single-institution-experience
#17
Waldo R Guerrero, Santiago Ortega-Gutierrez, Minako Hayakawa, Colin P Derdeyn, James D Rossen, David Hasan, Edgar A Samaniego
OBJECTIVE: Treatment of ruptured posterior circulation dissecting aneurysms is technically challenging with potentially high morbidity and mortality. We sought to assess the safety and feasibility of using a flow diversion devices (FDD) and a specific acute antiplatelet aggregation protocol in the management of ruptured dissecting aneurysms. METHODS: Subjects with ruptured dissecting aneurysms treated during a three-year period were retrospectively identified from a prospective registry...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28986614/clinical-and-angiographic-outcomes-in-patients-with-intracranial-aneurysms-treated-with-the-pipeline-embolization-device-intra-procedural-technical-difficulties-major-morbidity-and-neurological-mortality-decrease-significantly-with-increased-operator-experience
#18
Josser E Delgado Almandoz, Yasha Kayan, Andrea Tenreiro, Adam N Wallace, Jill M Scholz, Jennifer L Fease, Anna M Milner, Maximilian Mulder, Kyle M Uittenbogaard, Oscar Tenreiro-Picón
PURPOSE: Flow diversion constitutes a pivotal advancement in endovascular intracranial aneurysm treatment, but requires development of a new skill set. The aim of this study is to determine whether outcomes after treatment with the Pipeline Embolization Device improve with experience. METHODS: We retrospectively reviewed all patients with intracranial aneurysms treated with Pipeline at two centers over a 4.5-year period. Baseline patient and aneurysm characteristics, complications, and angiographic outcomes were analyzed...
October 6, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28986225/pediatric-intracranial-aneurysms-considerations-and-recommendations-for-follow-up-imaging
#19
REVIEW
Michael George Zaki Ghali, Visish M Srinivasan, Jacob Cherian, Louis Kim, Adnan Siddiqui, M Ali Aziz-Sultan, Michael Froehler, Ajay Wakhloo, Eric Savageau, Ansaar Rai, Stephen R Chen, Jeremiah Johnson, Sandi K Lam, Peter Kan
BACKGROUND: Pediatric intracranial aneurysms (IAs) are rare. Compared to adult IAs, they are more commonly giant, fusiform, or dissecting. Their treatment often proves more complex and recurrence rate and de novo aneurysmogenesis incidence is higher. A consensus regarding the most appropriate algorithm for following pediatric IAs is lacking. METHODS: We thus sought to generate recommendations based on the reported experience in the literature with pediatric IAs, through a thorough review of the Pubmed database, discussion with experienced neurointerventionalists, and our own experience...
October 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28985335/current-concepts-in-the-treatment-of-renovascular-hypertension
#20
Sandra M Herrmann, Stephen C Textor
Renovascular disease remains a major cause of secondary and treatment-resistant hypertension. Most cases are related either to fibromuscular or atherosclerotic lesions, but a variety of other causes including arterial dissection, stent occlusion and embolic disease can produce the same syndrome. Recent studies emphasize the kidney's tolerance to moderate flow reduction during antihypertensive drug therapy and the relative safety of medical therapy to control blood pressure. Several prospective trials in moderate renovascular disease fail to identify major benefits from endovascular revascularization for moderate atherosclerotic disease...
August 16, 2017: American Journal of Hypertension
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