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Vascular catheters

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https://www.readbyqxmd.com/read/28341510/endovascular-stenting-of-portal-vein-for-graft-rescue-after-a-pancreas-transplant-venous-graft-thrombosis-a-case-report
#1
Ossama M Reslan, Jordan M Kirsch, Hitesh Kaul, Stalin Campos, Radi Zaki, Paul S Brady, Kamran Khanmoradi
Venous thrombosis of pancreas transplant allografts often leads to graft loss. Its worrisome complication and difficult to treat, forming the most common nonimmunological cause of graft loss. Multiple risk factors have been implicated in the development of venous thrombosis of pancreas transplant. Color Doppler ultrasonography (CDUS) enables early diagnosis of venous thrombosis, thus increasing the possibility of graft-rescue treatments. Endovascular management of pancreatic transplant vascular complications are scant and in the form of case reports...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28341502/significance-of-blunted-venous-waveforms-seen-on-upper-extremity-ultrasound
#2
Xuan-Binh D Pham, Ezinne J Ihenachor, Hoover Wu, Jerry J Kim, Amy H Kaji, Matthew C Koopmann, Timothy J Ryan, Christian de Virgilio
INTRODUCTION: Current guidelines recommend vascular mapping ultrasound (US) prior to arteriovenous fistula creation. Blunted venous waveforms (BVW) suggest central venous stenosis; however, this relationship and one between BVW and the presence of a central venous catheter (CVC) remain unclear. MATERIAL AND METHODS: All patients who received upper-extremity vascular mapping US between January 2013 and October 2014 at a single institution were retrospectively reviewed...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28335899/percutaneous-plug-based-arteriotomy-closure-device-for-large-bore-access-a-multicenter-prospective-study
#3
Nicolas M Van Mieghem, Azeem Latib, Jan van der Heyden, Lennart van Gils, Joost Daemen, Todd Sorzano, Jurgen Ligthart, Karin Witberg, Thom de Kroon, Nathaniel Maor, Antonio Mangieri, Matteo Montorfano, Peter P de Jaegere, Antonio Colombo, Gary Roubin
OBJECTIVES: The authors sought to study the safety and efficacy of the MANTA Vascular Closure Device (VCD), a novel collagen-based technology dedicated to closure of large-bore arteriotomies. BACKGROUND: Novel transfemoral therapeutic interventions requiring large-bore catheters have become valid minimally invasive options but have inherent access management challenges. To date, no dedicated vascular closure devices exist for large arteriotomies. METHODS: A prospective, single-arm clinical investigation enrolling patients who underwent elective percutaneous interventions with large-bore catheters and planned percutaneous arteriotomy closure in 3 European institutions...
March 27, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28335676/physiopathological-approach-to-infective-endocarditis-in-chronic-hemodialysis-patients-left-heart-versus-right-heart-involvement
#4
Yassamine Bentata
Infectious endocarditis (IE), a complication that is both cardiac and infectious, occurs frequently and is associated with a heavy burden of morbidity and mortality in chronic hemodialysis patients (CHD). About 2-6% of chronic hemodialysis patients develop IE and the incidence is 50-60 times higher among CHD patients than in the general population. The left heart is the most frequent location of IE in CHD and the different published series report a prevalence of left valve involvement varying from 80% to 100%...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28335271/distribution-of-iron-oxide-core-titanium-dioxide-shell-nanoparticles-in-vx2-tumor-bearing-rabbits-introduced-by-two-different-delivery-modalities
#5
Tamer Refaat, Derek West, Samar El Achy, Vamsi Parimi, Jasmine May, Lun Xin, Kathleen R Harris, William Liu, Michael Beau Wanzer, Lydia Finney, Evan Maxey, Stefan Vogt, Reed A Omary, Daniele Procissi, Andrew C Larson, Tatjana Paunesku, Gayle E Woloschak
This work compares intravenous (IV) versus fluoroscopy-guided transarterial intra-catheter (IC) delivery of iron oxide core-titanium dioxide shell nanoparticles (NPs) in vivo in VX2 model of liver cancer in rabbits. NPs coated with glucose and decorated with a peptide sequence from cortactin were administered to animals with developed VX2 liver cancer. Two hours after NPs delivery tumors, normal liver, kidney, lung and spleen tissues were harvested and used for a series on histological and elemental analysis tests...
August 3, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28328591/accidental-cannulation-of-persistent-left-superior-vena-cava-in-a-case-of-absent-right-internal-jugular-vein-role-of-ultrasonography-and-x-ray
#6
Nilesh B Sonawane, Falguni Rajendra Shah, Prakash Jagadish Gawankar
Persistent left superior vena cava is a rare vascular anatomical variant. Although ultrasonography has facilitated the process of central venous catheterization, it cannot be used to locate the tip of a catheter. Postprocedure chest X-ray is desirable for locating the course and tip of the catheter. In our case, initial ultrasonography demonstrated the absence of the right internal jugular vein. This prompted insertion of a central venous catheter on the left side of the neck in the presence of normal vascular anatomy...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28323880/randomized-controlled-trials-in-central-vascular-access-devices-a-scoping-review
#7
Mari Takashima, Gillian Ray-Barruel, Amanda Ullman, Samantha Keogh, Claire M Rickard
BACKGROUND: Randomized controlled trials evaluate the effectiveness of interventions for central venous access devices, however, high complication rates remain. Scoping reviews map the available evidence and demonstrate evidence deficiencies to focus ongoing research priorities. METHOD: A scoping review (January 2006-December 2015) of randomized controlled trials evaluating the effectiveness of interventions to improve central venous access device outcomes; including peripherally inserted central catheters, non-tunneled, tunneled and totally implanted venous access catheters...
2017: PloS One
https://www.readbyqxmd.com/read/28320713/antimicrobial-percutaneous-nephrostomy-catheters-for-the-prevention-of-renal-infections-in-vitro-studies
#8
Nylev Vargas-Cruz, Ruth A Reitzel, Joel Rosenblatt, Mohamed Jamal, Ariel D Szvalb, Anne-Marie Chaftari, Ray Hachem, Issam Raad
Purpose - Percutaneous nephrostomy (PCN) catheters are the primary method for draining ureters obstructed by malignancy and preventing a decline of the renal function. However, PCN-related infections such as pyelonephritis and urosepsis remain a significant concern. Currently no antimicrobial PCNs are available for preventing infectious complications. Vascular catheters impregnated with Minocycline/Rifampin (M/R) and M/R with Chlorhexidine coating (M/R+CHD) have previously demonstrated antimicrobial activity...
March 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28320201/analysis-of-never-events-following-adult-cardiac-surgical-procedures-in-the-united-states
#9
Michael P Robich, Brianna M Krafcik, Nishant K Shah, Alik Farber, Denis Rybin, Jeffrey J Siracuse
BACKGROUND: This study was conducted to determine the risk factors, nature, and outcomes of "never events" following open adult cardiac surgical procedures. Understanding of these events can reduce their occurrence, and thereby improve patient care, quality metrics, and cost reduction. METHODS: "Never events" for patients included in the Nationwide Inpatient Sample who underwent coronary artery bypass graft, heart valve repair/replacement, or thoracic aneurysm repair between 2003-2011 were documented...
March 16, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28319488/an-in-vitro-assessment-of-the-efficacy-of-various-iv-cannulas-for-the-rapid-iv-fluid-administration
#10
Mineto Kamata, Hina Walia, Mumin Hakim, Dmitry Tumin, Joseph D Tobias
OBJECTIVES: The current study prospectively evaluates the administration of fluid through commonly used vascular cannulas of various length and diameter. DESIGN: Observational, in vitro experiment. SETTING: Not applicable. SUBJECTS: No human subjects. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Fluid (500 mL) was administered via gravity flow and with pressure assistance (pressure bag set at 300 mm Hg) through various vascular cannulas including peripheral IV catheters (22 gauge, 1 inch; 20 gauge, 1...
March 17, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28319286/a-successful-model-to-learn-and-implement-ultrasound-guided-venous-catheterization-in-apheresis
#11
Nigopan Gopalasingam, Anna-Marie Eller Thomsen, Lars Folkersen, Peter Juhl-Olsen, Erik Sloth
BACKGROUND: Apheresis treatments can be performed with peripheral venous catheters (PVC), although central venous catheters (CVC) are inserted when PVCs fail or patient with history of difficult vascular access prior to the apheresis. Ultrasound guidance for PVC has shown promising results in other settings. PURPOSE: To investigate if ultrasound guidance for PVC could be implemented among apheresis nurses. Second, how implementation of ultrasound guidance affected the number of CVCs used for apheresis per patient...
March 20, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28315943/hyperoxia-reduces-oxygen-consumption-in-children-with-pulmonary-hypertension
#12
Long Guo, Prashant Bobhate, Shine Kumar, Karunakar Vadlamudi, Tarek Kaddoura, Mohamed Elgendi, Paula Holinski, James Y Coe, Jennifer Rutledge, Ian Adatia
High inspired oxygen concentration (FiO2 > 0.85) is administered to test pulmonary vascular reactivity in children with pulmonary hypertension (PH). It is difficult to measure oxygen consumption (VO2) if the subject is breathing a hyperoxic gas mixture so the assumption is made that baseline VO2 does not change. We hypothesized that hyperoxia changes VO2. We sought to compare the VO2 measured by a thermodilution catheter in room air and hyperoxia. A retrospective review of the hemodynamic data obtained in children with PH who underwent cardiac catheterization was conducted between 2009 and 2014...
March 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28303639/covered-stent-implantation-through-a-single-8-french-guide-catheter-for-the-management-of-a-distal-coronary-perforation
#13
Yader Sandoval, Angie S Lobo, Emmanouil S Brilakis
Distal coronary perforation can cause early or late tamponade and is usually treated with fat or coil embolization. An alternative treatment strategy is occlusion of the ostium of the perforated vessel via implantation of a covered stent in the main vessel, which is typically achieved using the ping-pong guide catheter technique. In this technique, a balloon is inflated over one guide catheter to stop pericardial bleeding and a covered stent is delivered through a second guide catheter due to inability to fit both a balloon and a covered stent through a single guide catheter...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28302363/new-surgical-technique-for-creation-of-a-continent-appendicostomy-invaginated-appendicostomy
#14
Maria Zornoza, Alejandro Ruiz-Montañez, Guillermo Victoria-Morales, Luis De la Torre-Mondragón
INTRODUCTION: The main complications of appendicostomy are stenosis and stomal fecal leakage. Although many authors report that the appendix is naturally continent, it is recommended to perform a plication of the cecum with the appendix to prevent stomal fecal leakage. We present here the creation of a different continent mechanism. Our technique is advantageous when the anatomy, vascularity, or the length of the appendix does not allow for a standard plication procedure. DESCRIPTION OF OPERATIVE TECHNIQUE: During 2014-2016 we performed four appendicostomies in patients with anorectal malformations with fecal incontinence that requested an "Antegrade Continent Enema" procedure after a successful bowel management program in the Colorectal Center for Children of Mexico...
March 7, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28298012/association-of-hypothyroidism-with-unruptured-cerebral-aneurysms-a-case-control-study
#15
Kunakorn Atchaneeyasakul, Anita Tipirneni, Tony Zhang, Priyank Khandelwal, Sudheer Ambekar, Brian Snelling, Sushrut Dharmadhikari, Chuanhui Dong, Luis Guada, Kevin Ramdas, Seemant Chaturvedi, Tatjana Rundek, Dileep R Yavagal
OBJECTIVE Thyroid disorder has been known to affect vascular function and has been associated with aortic aneurysm formation in some cases; however, the connection has not been well studied. The authors hypothesized that hypothyroidism is associated with the formation of cerebral aneurysms. METHODS The authors performed a retrospective case-control study of consecutive patients who had undergone cerebral angiography at an academic, tertiary care medical center in the period from April 2004 through April 2014...
February 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28297057/dialysis-access-issues-related-to-conversion-from-peritoneal-dialysis-to-hemodialysis-and-vice-versa
#16
Maurizio Gallieni, Antonino Giordano, Anna Ricchiuto, Davide Gobatti, Maurizio Cariati
ABSTRACTHemodialysis (HD) and peritoneal dialysis (PD) represent two complementary modalities of renal replacement therapy (RRT) for end-stage renal disease patients. Conversion between the two modalities is frequent and more likely to happen from PD to HD. Every year, 10% of PD patients convert to HD, suggesting the need for recommendations on how to proceed with the creation of a vascular access in these patients. Criteria for selecting patients who would likely fail PD, and therefore take advantage of a backup access, are undefined...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28297054/optimal-timing-for-vascular-access-creation
#17
Tamara K Jemcov, Wim Van Biesen
Many guidelines recommend that end-stage renal disease (ESRD) patients should have a permanent vascular access, preferably an autologous arteriovenous fistula (AVF), at the start of renal replacement therapy. Nevertheless, a large proportion of patients still start hemodialysis with a central venous catheter (CVC). On the other hand, there are increasing numbers of patients in whom an AVF has been created, but who never actually end up on dialysis, as well as a substantial number of patients in whom creation of a vascular access has been attempted unsuccessfully...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28289497/interventional-therapy-for-pulmonary-embolism
#18
Alan B Lumsden, Erik Suarez
Patients with pulmonary embolism (PE) present with highly variable clinical symptoms and often have accompanying comorbidities. Timely diagnosis and treatment are critical to help prevent recurrence and increased morbidity/mortality. While open surgical thrombectomy was once reserved only for those with massive PE and hemodynamic compromise, it has been reevaluated with a focus on careful patient selection and early intervention. Lately, there has been increased interest in catheter-based interventions and in combining these with an open surgical component to decrease the magnitude of the intervention-for example, direct placement of large-bore thrombectomy devices directly into the right ventricle via sternotomy or subxiphoid approaches...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28289495/treatment-of-chronic-thromboembolic-pulmonary-hypertension-the-role-of-medical-therapy-and-balloon-pulmonary-angioplasty
#19
Timothy M Fernandes, David S Poch, William R Auger
Chronic thromboembolic pulmonary hypertension (CTEPH) is a potentially curable disease when treated with pulmonary thromboendarterectomy (PTE). However, even at experienced surgical centers, nearly one-third of patients with CTEPH will be deemed inoperable for reasons including distal disease, comorbidities, or out-of-proportion pulmonary hypertension. It is in these patients with inoperable CTEPH that pulmonary hypertension (PH)-targeted medical therapy and balloon pulmonary angioplasty have potential therapeutic value...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28287940/diagnosis-and-management-of-complications-from-percutaneous-biliary-tract-interventions
#20
Nanda Venkatanarasimha, Karthik Damodharan, Apoorva Gogna, Sum Leong, Chow Wei Too, Ankur Patel, Kiang Hiong Tay, Bien Soo Tan, Richard Lo, Farah Irani
Complications related to percutaneous biliary tract interventions (PBTIs) can range from access site discomfort to life-threatening vascular complications. These complications are relatively uncommon, and most of them are self-limiting. However, major complications for which an increased level of patient care and/or a prolonged hospital stay are required and that may lead to death-albeit rarely-can occur. Some of the most common complications related to PBTI include pain, infection, bile leakage, and catheter blockage...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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