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Catheter occlusion

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https://www.readbyqxmd.com/read/28719063/enhanced-fibrinolysis-with-magnetically-powered-colloidal-microwheels
#1
Tonguc O Tasci, Dante Disharoon, Rogier M Schoeman, Kuldeepsinh Rana, Paco S Herson, David W M Marr, Keith B Neeves
Thrombi that occlude blood vessels can be resolved with fibrinolytic agents that degrade fibrin, the polymer that forms between and around platelets to provide mechanical stability. Fibrinolysis rates however are often constrained by transport-limited delivery to and penetration of fibrinolytics into the thrombus. Here, these limitations are overcome with colloidal microwheel (µwheel) assemblies functionalized with the fibrinolytic tissue-type plasminogen activator (tPA) that assemble, rotate, translate, and eventually disassemble via applied magnetic fields...
July 18, 2017: Small
https://www.readbyqxmd.com/read/28712720/manual-aspiration-thrombectomy-in-patients-with-acute-stroke-related-calcified-cerebral-emboli
#2
Esther Koh, Hyo Sung Kwak, Gyung-Ho Chung
OBJECTIVE: The aim of this study was to evaluate the effectiveness of mechanical aspiration thrombectomy (MAT) in patients with acute ischemic stroke from calcified cerebral emboli. METHODS: Procedural results were reviewed for acute stroke patients with clinically neurological deficits who underwent recanalization from October 2012 through September 2015. Initial imaging studies and cerebral angiography were analyzed. RESULTS: Of the total number of patients with acute stroke, 5 patients were confirmed to have acute ischemic stroke by calcified cerebral emboli...
July 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28705343/-recanalization-procedure-of-the-common-femoral-vein-following-iatrogenic-femoral-chronic-occlusion-3%C3%A2-cases
#3
G Goudot, C Del Giudice, O Pellerin, M C Courtois, A Galloula, E Messas, T Mirault, M Sapoval
Common femoral vein occlusion (CFVO) is frequently found in patients with chronic venous insufficiency. The iatrogenic form, secondary to either central catheter or surgery, is very rare but highly symptomatic. Classical compression therapy barely improves the clinical status of these patients, making them suitable candidates for an interventional procedure for venous recanalization. METHODS: We report here three consecutive cases of iatrogenic CFVO referred to our outpatient clinic because the disease had an impact on daily life activities...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28702117/balloon-angioplasty-for-intracranial-atherosclerotic-disease-a-multicenter-study
#4
Lakshmi Sudha Prasanna Karanam, Mukesh Sharma, Anand Alurkar, Sridhar Reddy Baddam, Vijaya Pamidimukkala, Raghavasarma Polavarapu
AIM: To evaluate the role and efficacy of the balloon angioplasty in intracranial atherosclerotic disease (ICAD) in patients who presented with acute stroke due to vessel occlusion and in patients with symptomatic disease despite optimum medical management. METHODS: From 2013 to 2016, a total of 39 patients (24 males and 15 females with a mean age of 64.5 years) underwent balloon angioplasty over a period of 2 years and 8 months in three different institutions in India...
June 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/28697726/successful-percutaneous-coronary-intervention-in-the-setting-of-an-aberrant-left-coronary-artery-arising-from-the-right-coronary-cusp-in-a-patient-with-acute-coronary-syndrome-a-case-report
#5
Jung-Hee Lee, Jong-Seon Park
BACKGROUND: An aberrant origin of the left coronary artery (LCA) from the right coronary cusp (RCC) is an extremely rare congenital anomaly. We here report on successful percutaneous coronary intervention (PCI) in a patient presenting with acute coronary syndrome and an aberrant origin of the LCA from the RCC. CASE PRESENTATION: A 50-year-old man presented at our emergency department with recurrent resting chest pain. Following unsuccessful attempts at visualizing the left coronary artery using Judkins left and Amplatz catheters, an aortogram using a pigtail catheter suggested anomalous left coronary artery origin and showed a significant occlusive lesion at proximal left anterior descending artery...
July 11, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28697028/sciatic-popliteal-fossa-catheter-for-pediatric-pain-management-of-sickle-cell-crisis-a-case-report
#6
Garret Weber, Sherry Liao, Micah Alexander Burns
Sickle cell crisis, or vaso-occlusive crisis (VOC), is a major cause of hospitalizations for adults and children with sickle cell disease, and is associated with increased morbidity and mortality. Despite prompt pharmacological treatment and multimodal pain management, acute pain during a VOC is often not adequately controlled in the pediatric population. We placed a continuous popliteal sciatic nerve block under ultrasound guidance in a pediatric patient for localized refractory pain during a VOC, resulting in improved pain control with preserved sensorimotor function...
July 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28691137/effective-use-of-balloon-guide-catheters-in-reducing-incidence-of-mechanical-thrombectomy-related-distal-embolization
#7
Dong Hoon Lee, Jae Hoon Sung, Sang Uk Kim, Ho Jun Yi, Jae Taek Hong, Sang Won Lee
BACKGROUND AND PURPOSE: The clinical benefit of endovascular stroke therapy has been demonstrated in several prospective randomized trials. However, in a relevant percentage of patients, mechanical thrombectomy bears the risk of causing new infarction in initially unaffected vascular territories through thrombus fragmentation and migration of clot debris. The goal of this study was to evaluate the use of the balloon guide catheter (BGC) to effectively achieve flow arrest and thrombus aspiration during the intervention to avoid distal embolization...
July 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28689397/invention-of-the-guide-catheter-irrigation-monitoring-device-for-neuroendovascular-therapy
#8
Ayca Ozkul, Jong-Hyun Park, Dong-Seung Shin, Ali Yilmaz, Bum-Tae Kim
OBJECTIVE: The thromboembolic events during neuroendovascular therapy (NET) are the major complications of concern that can be occasionally fatal. The thrombotic occlusion of the guide catheter for NET is thought to be the risk of the thromboembolic events. We have developed an idea for inventing the monitoring system of the continuous irrigation through the guide catheter. We herein present a unique invention of the guide catheter irrigation monitoring device. METHODS: We have developed ideas for preventing the thrombotic occlusion of the guide catheter...
July 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28682129/a-simple-technique-to-reduce-occlusion-in-three-way-catheters
#9
M Boydell, B Mooney
No abstract text is available yet for this article.
July 6, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28676535/outcomes-in-a-nurse-led-peripherally-inserted-central-catheter-program-a-retrospective-cohort-study
#10
Sheryl McDiarmid, Nicholas Scrivens, Marc Carrier, Elham Sabri, Baldwin Toye, Lothar Huebsch, Dean Fergusson
BACKGROUND: Peripherally inserted central catheters (PICCs) provide enormous benefit to patients. However, recent publications have highlighted relatively high PICC-associated complication rates. We report on patient and device outcomes from a nurse-led program. METHODS: We performed a retrospective analysis of a prospective cohort of consecutive patients undergoing PICC insertion at The Ottawa Hospital between Jan. 1, 2013 and Dec. 31, 2014. Of the 8314 BioFlo PASV PICCs inserted, we randomly selected a sample of 700 and obtained a complete data set for 656...
June 30, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28673353/anatomical-landmarks-for-safely-implementing-resuscitative-balloon-occlusion-of-the-aorta-reboa-in-zone-1-without-fluoroscopy
#11
Yohei Okada, Hiromichi Narumiya, Wataru Ishi, Ryoji Iiduka
BACKGROUND: Resuscitative balloon occlusion of the aorta (REBOA) can maintain hemodynamic stability during hemorrhagic shock after a following torso injury, although inappropriate balloon placement may induce brain or visceral organ ischemia. External anatomical landmarks [the suprasternal notch (SSN) and xiphoid process (Xi)] are empirically used to implement REBOA in zone 1. We aimed to confirm if these landmarks were useful for determining a balloon catheter length for safe implementation of REBOA in zone 1 without using fluoroscopy...
July 3, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28669458/mid-term-results-of-catheter-directed-foam-sclerotherapy-combined-with-tumescent-local-anaesthesia-for-treatment-of-great-saphenous-vein-incompetence
#12
H Ali, A Elbadawy, M Saleh, O Mahmoud
OBJECTIVES: The purpose of this prospective study was to evaluate the occlusion rate, clinical severity, disease specific health related quality of life (HRQoL), and safety in patients with great saphenous vein (GSV) reflux 3 years after a single treatment session of catheter directed foam sclerotherapy (CDFS) combined with peri-saphenous infiltration of tumescent local anaesthesia (TLA). METHODS: A total of 249 patients with symptomatic unilateral GSV incompetence underwent CDFS combined with TLA and were followed up for 3 years...
June 29, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28668967/anatomy-revisited-hemodialysis-catheter-malposition-in-the-left-ascending-lumbar-vein
#13
Stefan Büttner, Sammy Patyna, Sarah Rudolf, Despina Avaniadi, Moritz Kaup, Helmut Geiger, Christoph Betz
In selected cases, cuffed tunneled catheters via the iliac vein are implanted as a last resort access for hemodialysis. To monitor the correct position, sonography of the inferior vena cava (IVC) is sufficient in most cases. Position control using an X-ray of the abdomen is not routinely recommended when femoral catheters are implanted. In this report, we describe the case of a 59-year-old patient on chronic hemodialysis due to granulomatosis with polyangiitis and complex shunt history with multiple shunt occlusions and revisions...
July 1, 2017: Blood Purification
https://www.readbyqxmd.com/read/28665463/port-in-oncology-practice-3-monthly-locking-with-normal-saline-for-catheter-maintenance-a-preliminary-report
#14
Gianfranca Solinas, Francesca Platini, Maurizio Trivellato, Carla Rigo, Oscar Alabiso, Alessandra S Galetto
INTRODUCTION: Patients with cancer need stable venous access using central vascular devices like central venous ports and peripherally inserted central catheters that can be used for a wide range of indications. Numerous flushing protocols exist including different frequencies for catheter locking to maintain catheter patency. The aim of this retrospective study was to evaluate the incidence of lumen occlusion of central venous ports in a group of adult cancer patients, adopting a policy of locking with normal saline every three months...
July 14, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28660441/angiographic-and-clinical-outcomes-after-treatment-of-femoro-popliteal-lesions-with-a-novel-paclitaxel-matrix-coated-balloon-catheter
#15
Gunnar Tepe, Özlem Gögebakan, Ulf Redlich, Jörg Tautenhahn, Jens Ricke, Zuhir Halloul, Dirk-Roelfs Meyer, Matthias Waliszewski, Beatrix Schnorr, Thomas Zeller, Stefan Müller-Hülsbeck, Ilka Ott, Thomas Albrecht
OBJECTIVES: Based on a novel paclitaxel-resveratrol drug matrix, the safety and efficacy to inhibit intimal hyperplasia were studied in symptomatic claudicants with morphologically challenging lesions. BACKGROUND: The treatment of peripheral artery occlusive disease (PAOD) with percutaneous transluminal angioplasty is limited by occurrence of vessel recoil and neointimal hyperplasia. Drug-coated balloons (DCB) deliver drugs to the arterial wall to potentially reduce the restenosis rate...
June 28, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28655958/spontaneous-arterial-catheter-fracture-and-embolisation-unpredicted-complication
#16
Suresh Babu Kale, Senthilkumar Ramalingam
Arterial cannulation is a common procedure in the care and management of critically ill patients. Blood pressure measurement, arterial blood sampling and cardiac output determinations are a few primary reasons for arterial cannulation. This invasive catheter placement also imposes certain risks and clinical management problems like bleeding, thrombosis and hematoma formation. Fracture and embolisation of arterial catheters placed in the femoral region is a rare and serious complication that may result in arterial occlusion and thrombosis...
June 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28654852/adductor-canal-compression-syndrome-in-an-18-year-old-female-patient-leading-to-acute-critical-limb-ischemia-a-case-report
#17
Yi Zhou, Evan J Ryer, Robert P Garvin, Jeremy L Irvan, James R Elmore
BACKGROUND: Adductor canal compression syndrome is a rare non-atherosclerotic cause of arterial occlusion and limb ischemia. PRESENTATION OF CASE: The patient is an 18-year-old healthy female who presented to the emergency department with acute left lower extremity ischemia. Her symptoms began as sudden onset mild foot pain approximately two months ago. Over the 72h prior to presentation, she developed severe pain, pallor, paralysis, loss of pedal pulses, paresthesia, and poikilothermia...
June 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28652952/fibromuscular-dysplasia-with-spontaneous-coronary-artery-disease-presenting-as-acute-myocardial-infarction
#18
Ali Farooq, Waseem Amjad, Ata Ur Rahim Bajwa, Hassaan Yasin, Rizwan Ali, Muhammad Pervaiz
A 40-year-old female presented to a rural hospital with crushing substernal chest pain. An initial electrocardiogram showed ST elevation in lead II and aVF with elevated troponin I. She was immediately transferred to a tertiary care hospital. An emergent coronary angiogram did not show any significant coronary artery disease. On the second day, the patient experienced recurrence of severe chest pain with ST elevations in leads I, aVL, V5-V6, ST depressions in V1-V3, T-wave inversion over V2-V5. The troponin I level increased to > 40 ng/ml (normal 0...
May 23, 2017: Curēus
https://www.readbyqxmd.com/read/28649053/left-atrial-appendage-occlusion-with-the-amplatzer-amulet-device-periprocedural-and-early-clinical-echocardiographic-data-from-a-global-prospective-observational-study
#19
Ulf Landmesser, Boris Schmidt, Jens Erik Nielsen-Kudsk, Simon Cheung Chi Lam, Jai-Wun Park, Giuseppe Tarantini, Ignacio Cruz-Gonzalez, Volker Geist, Paolo Della Bella, Antonio Colombo, Tobias Zeus, Heyder Omran, Christopher Piorkowski, Juha Lund, Claudio Tondo, David Hildick-Smith
AIMS: The global, prospective AMPLATZER Amulet observational study documents real-world periprocedural, transoesophageal echocardiographic (TEE) and clinical outcomes from left atrial appendage occlusion (LAAO) using the AMPLATZER Amulet device. The aim of this report is to describe the periprocedural and early clinical/TEE results from this study. METHODS AND RESULTS: This multicentre prospective real-world registry included 1,088 patients (75±8.5 years, 64.5% male, CHA2DS2-VASc: 4...
June 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28648910/risk-of-aneurysm-residual-regrowth-recurrence-and-de-novo-aneurysm-formation-after-microsurgical-clip-occlusion-based-on-follow-up-with-catheter-angiography
#20
Jan-Karl Burkhardt, Michelle H J Chua, Miriam Weiss, Angelique Sao-Mai S Do, Ethan A Winkler, Michael T Lawton
INTRODUCTION: Established guidelines for radiologic surveillance after microsurgical treatment of intracranial aneurysms are lacking in the literature due to small sample size, poor definitions, and heterogeneous use of imaging modalities. We aimed to propose clinically meaningful definitions for postoperative aneurysm residual, recurrence, and de novo aneurysm formation and analyze our long-term follow-up (FU) catheter angiography results in patients with microsurgically treated intracranial aneurysms...
June 22, 2017: World Neurosurgery
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