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Totally implanted catheter

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https://www.readbyqxmd.com/read/28078447/trends-in-aortic-valve-replacement-in-germany-in-2015-transcatheter-versus-isolated-surgical-aortic-valve-repair
#1
Luise Gaede, Johannes Blumenstein, Won-Keun Kim, Christoph Liebetrau, Oliver Dörr, Holger Nef, Christian Hamm, Albrecht Elsässer, Helge Möllmann
AIMS: We analysed the number of procedures, indications, and in-hospital mortality rates of all patients undergoing isolated surgical aortic valve replacement (sAVR) or transvascular (TV-) and transapical (TA-) transcatheter aortic valve implantation (TAVI) from 2012 to 2015 in Germany. METHODS AND RESULTS: More than 31,000 aortic valve procedures were performed in 2015 in Germany, representing a total increase of 4.5% over 2014. TV-TAVI accounts for 13,108 of these procedures, with an increase of 21%, whereas the numbers of isolated sAVR and TA-TAVI decreased slightly...
January 11, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28064433/magnetic-vt-study-a-prospective-multicenter-post-market-randomized-controlled-trial-comparing-vt-ablation-outcomes-using-remote-magnetic-navigation-guided-substrate-mapping-and-ablation-versus-manual-approach-in-a-low-lvef-population
#2
Luigi Di Biase, Roderick Tung, Tamás Szili-Torok, J David Burkhardt, Peter Weiss, Rene Tavernier, Adam E Berman, Erik Wissner, William Spear, Xu Chen, Petr Neužil, Jan Skoda, Dhanunjaya Lakkireddy, Bruno Schwagten, Ken Lock, Andrea Natale
PURPOSE: Patients with ischemic cardiomyopathy (ICM) are prone to scar-related ventricular tachycardia (VT). The success of VT ablation depends on accurate arrhythmogenic substrate localization, followed by optimal delivery of energy provided by constant electrode-tissue contact. Current manual and remote magnetic navigation (RMN)-guided ablation strategies aim to identify a reentry circuit and to target a critical isthmus through activation and entrainment mapping during ongoing tachycardia...
January 7, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28060112/spontaneous-fracture-and-migration-of-a-totally-implanted-port-device-to-pulmonary-artery-in-acute-leukemia-child
#3
Olfa Kassar, Rania Hammemi, Mahdi Ben Dhaou, Samir Kammoun, Moez Elloumi
Totally implanted port devices are important for the administration of fluid and chemotherapeutic agents. However, their use may be associated with serious complications, such as catheter fracture and embolism. Most data on port catheter embolization consist of isolated case reports. We report a 6-year-old boy with relapse of an acute lymphoblastic leukemia. He presented with dysfunction of his totally implanted port device. Radiologic examination revealed a catheter fracture. Echocardiography showed the catheter embolized into the right ventricle...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28047736/su-f-p-42-to-navigate-or-not-to-navigate-hdr-bt-in-recurrent-spine-lesions
#4
L Voros, G Cohen, M Zaider, Y Yamada
PURPOSE: We compare the accuracy of HDR catheter placement for paraspinal lesions using O-arm CBCT imaging combined with StealthStation navigation and traditional fluoroscopically guided catheter placement. METHODS: CT and MRI scans were acquired pre-treatment to outline the lesions and design treatment plans (pre-plans) to meet dosimetric constrains. The pre-planned catheter trajectories were transferred into the StealthStation Navigation system prior to the surgery...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046185/technical-note-measurement-of-mammary-plasma-flow-in-sows-by-downstream-dilution-of-mammary-vein-infused-aminohippuric-acid
#5
U Krogh, A C Storm, P K Theil
The objectives of the present study were to design a method to estimate mammary plasma flow (MPF) in lactating sows using downstream dilution of -aminohippuric acid (AH) and to compare these estimates with MPF estimates based on specific AA as internal markers (MPF-AA). A permanent indwelling catheter was surgically implanted in the femoral artery, and another 2 were inserted in the right cranial mammary vein of 8 second- and third-parity sows on d 76 ± 2 SEM of gestation. On the 3rd and 17th days in milk, arterial and venous blood samples were drawn in hourly intervals from 0...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28028362/correlation-between-colonic-secretion-and-colonic-motility-in-rats-role-of-ghrelin
#6
Hsien-Hao Huang, Ching-Heng Ting, Yu-Fong Syu, Shi-Chuan Chang, Chih-Yen Chen
AIM: To explore the relationship between colonic secretory function and colonic motility. METHODS: Using a rat model chronically implanted with intracerebroventricular (ICV) and cecal catheters, we validated the correlation between colonic secretion and colonic motor functions, as well as the role of ICV injection volume. RESULTS: Compared to saline controls (5 μL/rat), ICV acyl ghrelin at 1 nmol/5 μL enhanced the total fecal weight, accelerated the colonic transit time, and increased the fecal pellet output during the first hour post-injection, while ICV des-acyl ghrelin at 1 nmol/5 μL only accelerated the colonic transit time...
December 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28010813/changes-in-systolic-arterial-pressure-variability-are-associated-with-the-decreased-aerobic-performance-of-rats-subjected-to-physical-exercise-in-the-heat
#7
Flávia C Müller-Ribeiro, Samuel P Wanner, Weslley H M Santos, Milene R Malheiros-Lima, Ivana A T Fonseca, Cândido C Coimbra, Washington Pires
Enhanced cardiovascular strain is one of the factors that explains degraded aerobic capacity in hot environments. The cardiovascular system is regulated by the autonomic nervous system, whose activity can be indirectly evaluated by analyzing heart rate variability (HRV) and systolic arterial pressure (SAP) variability. However, no study has addressed whether HRV or SAP variability can predict aerobic performance during a single bout of exercise. Therefore, this study aimed to investigate whether there is an association between cardiovascular variability and performance in rats subjected to treadmill running at two ambient temperatures...
January 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28009960/percutaneous-closure-of-massive-mitral-paravalvular-leak
#8
Tomás Benito-González, Rodrigo Estévez-Loureiro, Armando Pérez de Prado, Emilse Martínez-Paz, Carmen Garrote Coloma, Felipe Fernández-Vázquez
A 59-year-old male with a history of mitral valve replacement several years previously was admitted to the authors' institution with symptoms of advanced heart failure. Echocardiography showed a severe paravalvular dehiscence and surgery was discouraged due to high perioperative risk. A first transcatheter leak closure was unsuccessful despite the correct deployment of various occluding devices. A second percutaneous attempt was carried out with implantation of three Amplatzer Vascular Plug® III devices (five occluders were positioned in total within the oblong defect), leading to a mild residual leakage...
July 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28008298/severe-protracted-spasm-of-urinary-bladder-and-autonomic-dysreflexia-caused-by-changing-the-suprapubic-catheter-in-a-cervical-spinal-cord-injury-patient-treatment-by-a-bolus-dose-and-increased-total-daily-dose-of-intrathecal-baclofen
#9
Subramanian Vaidyanathan, Tun Oo, Bakul M Soni, Peter L Hughes, Gurpreet Singh
BACKGROUND: Intrathecal administration of baclofen by implanted pump reduces rigidity and muscle spasms. Its use specifically to control bladder spasms has not been reported. CASE REPORT: A tetraplegic patient developed severe, protracted, bladder spasms, abdominal muscles spasms, and high blood pressure after change of suprapubic catheter; nifedipine, diazepam, and paracetamol did not control spasms; bolus dose of baclofen intrathecally produced prompt relief via baclofen pump...
2016: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28004169/comparison-of-inversion-flipping-rates-among-different-port-designs-a-single-center-experience
#10
Vahid Etezadi, Scott O Trerotola
PURPOSE: To compare incidence of port inversion among different types of implantable venous access devices. MATERIALS AND METHODS: Records of patients who underwent imaging-guided subcutaneous port placement without port fixation between July 2001 and April 2015 were reviewed with use of a quality assurance database. 1930 patients with complete follow-up (death or explant) were included in the study. Collected data included date and indication for port placement, port type, venous access site, immediate and long-term complications, indication for removal, and total number of catheter days...
December 21, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27976794/mother-and-child-catheter-facilitated-optical-coherence-tomography-a-novel-approach-to-improve-intracoronary-imaging
#11
Marcos Garcia-Guimaraes, Javier Cuesta, Fernando Rivero, Teresa Alvarado, Gonzalo Navarrete, Teresa Bastante, Amparo Benedicto, Fernando Alfonso
BACKGROUND: Our aim was to prospectively analyze the usefulness of mother-and-child catheter approach with the GuideLiner® (GL) catheter extension system to overcome some potential limitations associated with the use of optical coherence tomography (OCT). METHODS: We included consecutive patients referred to our institution for coronary angiogram in whom OCT image acquisition was obtained using GL. From February 2015 to May 2016, a total of 19 procedures (18 patients) were prospectively included...
2016: Cardiology Journal
https://www.readbyqxmd.com/read/27976560/evaluation-of-the-removal-reasons-of-totally-implantable-venous-devices-in-children-a-retrospective-study
#12
Sinan Kılıç, Tutku Soyer, İbrahim Karnak, Arbay Özden Çiftçi, Feridun Cahit Tanyel, Mehmet Emin Şenocak
Totally implantable venous access devices (TIVADs) increase the quality of life in children with hematologic and oncologic diseases or organ failures. The aim of this study is to determine the reasons for port removal. The port catheters, implanted and removed in patients between January 2000 and June 2013 were evaluated retrospectively. The patients were divided into two groups, whose port catheters were removed due to completed therapy (completed therapy group, CTG) and whose port catheters were removed because of a port catheter-related complications (complication group, CG)...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27974359/safety-and-mid-term-outcome-of-catheter-ablation-of-ventricular-tachycardia-in-octogenarians
#13
Antonio Frontera, Sandeep Panniker, Alexander Breitenstein, Vito Domenico Bruno, Georgia May Connolly, David Wilson, Teresa Rio, Mehul B Dhinoja, Wajid Hussain, Richard J Schilling, Glyn Thomas, Tom Wong, Ross J Hunter, Frederic Sacher, Pierre Jaïs, Edward Duncan
AIMS: Radiofrequency (RF) catheter ablation (CA) is superior to standard medical therapy in controlling recurrent ventricular tachycardia (VT). The majority of procedures have been performed in a middle-aged population. The outcome of VT ablation in the elderly has not been described. METHODS AND RESULTS: We retrospectively studied the outcome and safety of CA of VT in octogenarians performed in four European centres. The population consisted of patients presenting with recurrent VT refractory to medical therapy...
November 9, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27925339/incidence-of-cardiac-perforation-with-conventional-and-with-leadless-pacemaker-systems-a-systematic-review-and-meta-analysis
#14
Mate Vamos, Julia W Erath, Alexander P Benz, Zsolt Bari, Gabor Z Duray, Stefan H Hohnloser
INTRODUCTION: Two leadless pacemaker (PM) systems were recently developed to avoid pocket- and lead-related complications. As leadless PMs are implanted with a large delivery catheter, cardiac perforation remains a major safety concern. We aimed to provide a literature review on incidence of cardiac perforation with conventional and with leadless PM systems. METHODS AND RESULTS: A systematic review over the last 25 years for studies reporting data on PM lead perforation was performed...
December 7, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27899128/european-real-world-trans-catheter-aortic-valve-implantation-systematic-review-and-meta-analysis-of-european-national-registries
#15
REVIEW
G Krasopoulos, F Falconieri, U Benedetto, J Newton, R Sayeed, R Kharbanda, A Banning
OBJECTIVE: Transcatheter aortic valve implantation (TAVI) has been adopted rapidly in Europe. TAVI national registries can augment understanding of technologies and represent real-world experience, providing further clinical insights. We undertook a meta-analysis of published European national TAVI registries to assess current results following TAVI in Europe. METHODS: Electronic databases were searched. The review focused on the comparison of the following TAVI strategies: transfemoral (TF) and transapical (TA) SAPIEN and CoreValve implantation...
November 29, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27864610/the-monorail-technique-to-overcome-difficult-anatomical-course-during-implantation-of-central-venous-port-via-the-left-internal-jugular-vein
#16
Eu Hyun Kim, Jung Suk Oh, Ho Jong Chun, Hae Giu Lee, Byung Gil Choi
PURPOSE: The study aimed to introduce a monorail technique to overcome difficult anatomical course via left internal jugular vein in implantable port insertion. METHODS: From 2007 to 2016, a total of 9346 patients were referred for implantable port insertion in our interventional unit, among which 79 cases were requested to insert on the left side. Our monorail technique was applied only when the technical challenge of the catheter tip entering the azygos vein instead of the superior vena cava occurred (n = 7)...
November 18, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27862718/peritoneal-catheter-fixation-combined-with-straight-upward-tunnel-and-low-implant-position-to-prevent-catheter-malfunction
#17
Qingyan Zhang, Chunming Jiang, Wei Zhu, Cheng Sun, Yangyang Xia, Tianfeng Tang, Cheng Wan, Qiuyuan Shao, Jing Liu, Bo Jin, Miao Zhang
AIM: Catheter malfunction is the main reason for early peritoneal dialysis (PD) technique failure. This study aimed to evaluate the effect of a new surgery technique with catheter fixation to the lower abdominal wall combined with straight upward tunnel and low implant position in reducing catheter malfunction. METHODS: Patients with end stage renal disease who received PD in our center from January 2013 to December 2015 were involved in this study. They were randomly divided into 3 groups according to surgical technique: traditional open surgery group, modified open surgery group and modified open surgery with catheter fixation group...
November 16, 2016: Nephrology
https://www.readbyqxmd.com/read/27860181/methamphetamine-self-administration-reduces-alcohol-consumption-and-preference-in-alcohol-preferring-p-rats
#18
Madeline C Winkler, Emilee M Greager, Jacob Stafford, Ryan K Bachtell
Subclinical levels of polysubstance use are a prevalent and understudied phenomenon. Alcohol is a substance commonly co-used with other substances of other drug classes. These studies sought to determine the consumption effects of combining alcohol drinking and methamphetamine (MA) self-administration. Male alcohol-preferring P rats had continuous access to a two-bottle alcohol drinking procedure in the home cage. Control rats remained alcohol naïve. Rats were also surgically implanted with intra-jugular catheters and trained to self-administer saline (control) or MA in daily 2-hour sessions...
November 16, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27855290/transcatheter-leadless-cardiac-pacing-the-new-alternative-solution
#19
Antoine Da Costa, Amandine Axiotis, Cécile Romeyer-Bouchard, Loucif Abdellaoui, Zahi Afif, Jean Baptiste Guichard, Antoine Gerbay, Karl Isaaz
INTRODUCTION: A lack of information about the feasibility and safety of leadless pacemaker (LPMs) exists in a fragile population of patients with limited venous anatomy access or conventional pacemaker (PM) contraindication. Accordingly, the goal of this prospective observational study was to report our experience with this new leadless technology in a subset of patients with contraindication or limited venous access. METHODS AND RESULTS: Between May 2015 and July 2016, 14 patients were consecutively included...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27824502/material-failure-of-silicone-catheter-lines-a-retrospective-review-of-partial-and-complete-ruptures-in-553-patients
#20
Jasmin D Busch, Maren Vens, Jochen Herrmann, Gerhard Adam, Harald Ittrich
OBJECTIVE: This present study reports the frequency and outcome of material failure of the silicone catheter lines of a port device implanted in the upper arm during a 5-year period. MATERIALS AND METHODS: From 2006 to 2011, a total of 553 patients had a port device implanted percutaneously in the upper arm. In the spring of 2013, several instances of material failure led to device withdrawal. At that time, 39 patients (7.1%) with the specific device in situ were still alive, and 36 of these patients agreed to removal...
November 8, 2016: AJR. American Journal of Roentgenology
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