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Arterial catheter

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https://www.readbyqxmd.com/read/29457124/dilated-aortic-root-influences-pulmonary-artery-catheter-placement-in-anesthetized-patients
#1
Yuka Miyata, Tsutomu Wada, Tomohiko Hayasaka, Yukio Hayashi
Purpose: The placement of a pulmonary artery catheter sometimes needs long time by observing the pressure wave, and several factors have been reported to hinder the placement. In the present study, we examined whether enlargement of the aortic root is associated with longer time for the placement. Method: We examined the time required for the catheter placement. The catheter placement time was defined as the duration of time required for the catheter to float from the CVP position to the pulmonary artery...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456597/insertion-rates-and-complications-of-central-lines-in-the-uk-population-a-pilot-study
#2
Adrian Vk Wong, Nitin Arora, Olusegun Olusanya, Ben Sharif, Robert M Lundin, A Dhadda, S Clarke, R Siviter, M Argent, Gavin Denton, Anna Dennis, Angela Day, Tamas Szakmany
Background: Central venous catheters are inserted ubiquitously in critical care and have roles in drug administration, fluid management and renal replacement therapy. They are also associated with numerous complications. The true number of central venous catheters inserted per year and the proportion of them associated with complications are unknown in the UK. Methods: We performed a prospective audit at five hospitals, as a feasibility pilot for a larger, nationwide audit...
February 2018: Journal of the Intensive Care Society
https://www.readbyqxmd.com/read/29456363/inadvertent-central-arterial-catheterization-an-unusual-cause-of-ischemic-stroke
#3
Nakul Katyal, Amanda Korzep, Christopher Newey
Central venous catheter (CVC) insertion is extensively utilized in Intensive Care Units for evaluation of hemodynamic status, administration of intravenous drugs, and for providing nutritional support in critically ill patients. Unfortunately, CVC use is associated with complications including lung injury, bleeding, infection, and thrombosis. We present a patient with an acute ischemic stroke from an inadvertently placed CVC into the right common carotid artery. A 57-year-old male presented to our institution for left hemiplegia and seizures 2 days after a CVC was placed...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29455018/acute-massive-pulmonary-thromboembolism-treated-by-selective-catheter-directed-thrombolysis
#4
Feng Hai, Chen Xueming, Zhang Zhiwen, Li Chenyu, Fang Jie, Zhang Zhe, Lian Lishan, Zhu Renming, Yu Hongzhi, Liu Bin
OBJECTIVE: To evaluate the safety and efficacy of selective catheter-directed thrombolysis in treating acute massive pulmonary thromboembolism (AMPTE). MATERIALS AND METHODS: Twenty-six AMPTE patients were enrolled between March 2010 and March 2013. A Uni*Fuse infusion system was inserted into the main pulmonary artery thrombus. The thrombolytic regimen included an intraoperative bolus injection of 250,000 IU urokinase, followed by continuous thrombolytic infusion of 5,000IU/kg...
February 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29455017/thrombectomy-devices-in-the-treatment-of-acute-mesenteric-ischemia-initial-single-center-experience
#5
Bruno Freitas, Yvonne Bausback, Johannes Schuster, Matthias Ulrich, Sven Bräunlich, Andrej Schmidt, Dierk Scheinert
INTRODUCTION: To report our preliminary experience with endovascular revascularization of patients with acute mesenteric ischemia (AMI), using thrombectomy devices. MATERIAL AND METHODS: A retrospective analysis of patients admitted to our hospital due to AMI and who were subjected to concomitant or exclusive endovascular treatment, from January 2011 to January 2016. Patients were admitted at the emergency department, underwent imaging investigation and were referred to the endovascular specialist...
February 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29453674/contrast-enhanced-ultrasonography-of-post-interventional-hematoma-the-bleeding-mushroom-is-growing-inside
#6
Francesca Di Vece, Paola Tombesi, Lara Bianchi, Matteo Bertini, Sergio Sartori
Catheter ablation is an effective treatment in patients with symptomatic atrial fibrillation. Complications are infrequent and usually resolve with minimal or no intervention, but active bleeding due to arterial injury during the vascular access can sometimes represent a life-threatening complication. Contrast-enhanced computed tomography is the standard technique to detect active bleeding, but it may not be immediately available. We report a case of iatrogenic hemorrhage after catheter ablation, in which contrast-enhanced ultrasonography played a decisive role in the recognition of active arterial bleeding due to injury to the right common femoral artery...
February 16, 2018: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29449331/lipid-lowering-therapy-with-ezetimibe-decreases-spontaneous-atherothrombotic-occlusions-in-a-rabbit-model-of-plaque-erosion-a-role-of-serum-oxysterols
#7
Katsuya Honda, Tetsuya Matoba, Yoshibumi Antoku, Jun-Ichiro Koga, Ikuyo Ichi, Kaku Nakano, Hiroyuki Tsutsui, Kensuke Egashira
OBJECTIVE: Plaque erosion is increasing its importance as one of the mechanisms of acute coronary syndromes in this statin era. However, the clinical efficacy of currently used lipid-lowering agents in the prevention of thrombotic complications associated with plaque erosion has not been clarified. Therefore, we examined the therapeutic effects of ezetimibe or rosuvastatin monotherapy on spontaneous atherothrombotic occlusion. APPROACH AND RESULTS: Femoral arteries of Japanese white rabbits, fed a high-cholesterol diet, were injured by balloon catheter, and then angiotensin II was continuously administrated...
February 15, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29447854/risk-factors-associated-complications-for-postoperative-urinary-retention-after-lumbar-surgery-for-lumbar-spinal-stenosis
#8
Joshua L Golubovsky, Haariss Ilyas, Jinxiao Chen, Joseph E Tanenbaum, Thomas E Mroz, Michael P Steinmetz
BACKGROUND CONTEXT: Postoperative Urinary Retention (POUR) is a very common post-operative complication of all surgeries (5 - 70%) that may lead to complications such as urinary tract infection (UTI), bladder over-distention, autonomic dysregulation, and increased postoperative length of stay (LOS). Within the field of spine surgery, the reported incidence of POUR is highly variable (5.6 - 38%). Lack of clear stratification of surgical level, spinal pathology, and inadequate sample size is a major limitation of available studies concerning POUR following spine surgery that may lead to inconsistency in the incidence of POUR and the ability to model its occurrence and consequences...
February 12, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29446710/early-versus-late-cardiac-remodelling-during-right-ventricular-pressure-load-and-impact-of-preventive-versus-rescue-therapy-with-endothelin-1-receptor-blockers
#9
Sara Roldan Ramons, Guido Ehrenfried Pieles, Mei Sun, Cameron Slorach, Wei Hui, Mark K Friedberg
BACKGROUND: Pulmonary artery banding (PAB) causes right ventricular (RV) dysfunction, biventricular fibrosis and apoptosis which are attenuated by endothelin-1 (ET1) receptor blockade (ERB). Little is known about the time-course of remodelling and whether early versus late ERB confers improved outcome. MATERIALS AND METHODS: PAB was performed in 5-groups of rabbits: Shams, 3W (3-weeksPAB), 6W (6-weeksPAB), 6WERB1 (6-weeksPAB+ERB from day-1) and 6WERB21 (6-weeksPAB+ERB from day-21)...
February 15, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29445438/vertebral-artery-origin-stent-placement-using-the-dual-lumen-qureshi-jiao-guidecatheter
#10
Adnan I Qureshi, Yabing Wang, Mohammad Rauf Afzal, Liqun Jiao
Objective: We report the first experience with a new dual lumen guide catheter with lumen A with curved tip designed for delivery of stent and angioplasty catheters and lumen B with side exit for coaxial placement of stiff 0.014 inch wire. Methods: We prospectively determined technical success, intended procedure (stent delivery at target lesion and a final residual stenosis <30%) completed without a need for a different catheter, and technical ease, intended procedure completed without ≥3 unsuccessful attempts in patients with symptomatic vertebral artery origin stenosis...
December 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29443448/an-intraneural-electrode-for-bioelectronic-medicines-for-treatment-of-hypertension
#11
Cristian Sevcencu, Thomas N Nielsen, Johannes J Struijk
OBJECTIVES: As the left vagus nerve (LVN) mediates a baroreflex blood pressure (BP) decrease, LVN stimulation (LVNS) could be a therapy for hypertension. Moreover, LVNS could elegantly be adjusted to the patient's actual BP and physical activity by using the neural information about BP and respiration extractable from LVN. However, unselective LVNS will trigger undesirable side-effects and therefore we here investigated the feasibility of using an intraneural electrode for extracting BP and respiration markers from the LVN and for selective LVNS...
February 14, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29443065/balloon-based-injury-to-induce-myointimal-hyperplasia-in-the-mouse-abdominal-aorta
#12
Grigol Tediashvili, Dong Wang, Hermann Reichenspurner, Tobias Deuse, Sonja Schrepfer
The use of animal models is essential for a better understanding of MH, one major cause for arterial stenosis.In this article, we demonstrate a murine balloon denudation model, which is comparable with established vessel injury models in large animals. The aorta denudation model with balloon catheters mimics the clinical setting and leads to comparable pathobiological and physiological changes. Briefly, after performing a horizontal incision in the aorta abdominalis, a balloon catheter will be inserted into the vessel, inflated, and introduced retrogradely...
February 7, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29440356/arterial-diameter-and-the-gender-disparity-in-stroke-thrombectomy-outcomes
#13
Mark A Davison, Bichun Ouyang, Kavantissa M Keppetipola, Michael Chen
BACKGROUND: Compared with males, females consistently fare worse following mechanical thrombectomy for large vessel ischemic strokes. Understanding why this gender disparity occurs may guide improvements in future treatment strategies. In this study, we aim to determine whether gender differences in cerebral arterial diameter correlate with clinical outcomes following stroke thrombectomy. METHODS: We performed an observational study of consecutive acute ischemic stroke patients undergoing mechanical thrombectomy at a single, urban tertiary care medical center...
February 12, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29440277/percutaneous-catheter-interventions-followed-by-coronary-artery-bypass-grafting-primum-non-nocere
#14
EDITORIAL
Timothy J Gardner, Kirk N Garratt
No abstract text is available yet for this article.
February 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29439600/initial-experience-with-the-outback-catheter-for-targeted-reentry-during-subintimal-angioplasty-of-the-infragenicular-arteries
#15
Athanasios Diamantopoulos, Serafino Santonocito, Narayanan Thulasidasan, Panos Gkoutzios, Irfan Ahmed, Hany Zayed, Konstantinos Katsanos
PURPOSE: To report use of the Outback reentry device for targeted distal reentry during subintimal recanalization of chronic total occlusions (CTOs) in the infragenicular arteries. METHODS: During an 18-month period, the Outback device was applied in 10 patients (mean age 71.8±18.8 years; 8 men) to achieve reentry at the infragenicular segment following either unsuccessful spontaneous reentry after subintimal crossing of a CTO or when a targeted reentry was desired...
February 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29439126/mechanical-thrombectomy-of-acute-ischemic-stroke-with-a-new-intermediate-aspiration-catheter-preliminary-results
#16
Fabrizio Sallustio, Enrico Pampana, Alessandro Davoli, Stefano Merolla, Giacomo Koch, Fana Alemseged, Marta Panella, Vittoria Carla D'Agostino, Francesco Mori, Daniele Morosetti, Daniel Konda, Sebastiano Fabiano, Marina Diomedi, Roberto Gandini
BACKGROUND AND PURPOSE: To report clinical and procedural outcomes of acute ischemic stroke patients after endovascular treatment with the new thromboaspiration catheter AXS Catalyst 6. METHODS: Patients with anterior and posterior circulation stroke were selected. Successful reperfusion defined as a Thrombolysis in Cerebral Infarction (TICI) score ≥2 b and 3-month functional independence defined as a modified Rankin Scale (mRS) ≤2 were the main efficacy outcomes...
February 8, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29437680/pulmonary-arteriovenous-fistula-complicated-by-venous-thromboembolism-and-paradoxical-cerebral-infarction-during-early-pregnancy
#17
Hiroshi Tajima, Hajime Kasai, Toshihiko Sugiura, Koichiro Tatsumi
A 39-year-old Japanese woman was diagnosed with a pulmonary arteriovenous fistula (PAVF) complicated by paradoxical cerebral infarction during pregnancy. She received an inferior vena cava filter (IVCF), but it was difficult to indwell because of the risk of repeat thromboembolism via PAVF. Therefore, we temporarily occluded the pulmonary artery with a balloon to prevent free thrombi from reaching the IVCF. Detection and treatment of PAVF are recommended in fertile young women. Obstruction of the pulmonary artery trunk with a balloon catheter may be useful during IVCF removal in patients with untreated PAVF...
February 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29436096/nephrotic-syndrome-complicated-with-femoral-vein-catheter-related-phlegmasia-cerulea-dolens-a-case-report
#18
Wen-Chun Chen, Shuo-Ming Ou
Nephrotic syndrome is a well-known risk factor of deep vein thrombosis (DVT). Catheter-related DVT under the setting of nephrotic syndrome may be presented as a more fulminant form, phlegmasia cerulea dolens. Phlegmasia cerulea dolens may lead to severe obstruction of venous drainage of the extremities and presents with compartment syndrome that impairs arterial perfusion. Aggressive management with thrombolysis and/or thrombectomy are considered with simultaneous anticoagulant treatment.
February 13, 2018: Hemodialysis International
https://www.readbyqxmd.com/read/29434426/reappraisal-of-percutaneous-transluminal-laser-angioplasty
#19
REVIEW
Shoichi D Takekawa
Background and aims: We devised a technique to treat peripheral arterial disease (PAD) with laser, i.e. percutaneous transluminal laser angioplasty (PTLA). Considerable good results were obtained with PTLA, but it is apparently considered obsolete as a technique to treat occlusive arterial disease of peripheral arteries, perhaps because of the development and improvement of stents and the ease of their use compared to the somewhat intricate technique required for PTLA. Although the author admits the usefulness of stents, they are foreign to a human body...
December 31, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29432575/multiple-common-co-morbidities-produce-left-ventricular-diastolic-dysfunction-associated-with-coronary-microvascular-dysfunction-oxidative-stress-and-myocardial-stiffening
#20
O Sorop, I Heinonen, M van Kranenburg, J van de Wouw, V J de Beer, T N Nguyen, Y Octavia, R W B van Duin, K Stam, R J van Geuns, P A Wielopolski, G P Krestin, A H van den Meiracker, R Verjans, M van Bilsen, A H J Danser, W J Paulus, C Cheng, W A Linke, J A Joles, M C Verhaar, J van der Velden, D Merkus, D J Duncker
Rationale: More than 50% of patients with heart failure have preserved ejection fraction characterized by diastolic dysfunction. The prevalance of diastolic dysfunction is higher in females and associates with multiple comorbidities such as hypertension (HT), obesity, hypercholesterolemia (HC) and diabetes mellitus (DM), although its pathophysiology remains incompletely understood. It has been proposed that the co-morbidities induce systemic inflammation, cardiac microvascular dysfunction and oxidative stress, leading to myocardial fibrosis, myocyte stiffening and ultimately, diastolic dysfunction...
February 8, 2018: Cardiovascular Research
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