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https://www.readbyqxmd.com/read/29145350/ultrasonographic-evaluation-of-complications-related-to-transfemoral-arterial-procedures
#1
Eun Ju Chun
The transfemoral arterial approach is used to gain access for angiography, percutaneous coronary interventions, or various endovascular therapies. To decrease the risk of procedure-related vascular complications, it is recommended to puncture the common femoral artery in its middle segment. However, due to inadequate access or anatomical variability, various complications, including hematoma, pseudoaneurysm, arteriovenous fistula, thrombosis, or dissection, can occur after transfemoral arterial interventions...
August 25, 2017: Ultrasonography
https://www.readbyqxmd.com/read/29144207/exploring-physical-activity-behaviour-needs-for-and-interest-in-a-technology-delivered-home-based-exercise-programme-among-patients-with-intermittent-claudication
#2
Nils Cornelis, Roselien Buys, Inge Fourneau, Tijl Dewit, Véronique Cornelissen
BACKGROUND: Supervised walking is a first line therapy in peripheral arterial disease (PAD) with complaints of intermittent claudication. However, uptake of supervised programmes is low. Home-based exercise seems an appealing alternative; especially since technological advances, such as tele-coaching and tele-monitoring, may facilitate the process and support patients when adopting a physically active lifestyle. To guide the development of such an intervention, it is important to identify barriers of physical activity and the needs and interests for technology-enabled exercise in this patient group...
November 16, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29142488/usefulness-of-a-nonsuture-closure-device-in-patients-undergoing-diagnostic-coronary-and-peripheral-angiography
#3
John T Owens, Shaun Bhatty, Robert J Donovan, Andrea Tordini, Peter Danyi, Kalpesh Patel, Jacob A Wegelin, Ion S Jovin
Vascular access site complications can follow diagnostic coronary and peripheral angiography. We compared the complication rates of the Catalyst vascular closure device, with the complication rates after manual compression in patients undergoing diagnostic angiographic procedures via femoral access. We studied 1,470 predominantly male patients undergoing diagnostic coronary and peripheral angiography. Catalyst closure devices were used in 436 (29.7%) patients and manual compression was used in 1,034 (70.3%) patients...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29139052/a-validated-patient-specific-fsi-model-for-vascular-access-in-haemodialysis
#4
A M de Villiers, A T McBride, B D Reddy, T Franz, B S Spottiswoode
The flow rate inside arteriovenous fistulas is many times higher than physiological flow and is accompanied by high wall shear stress resulting in low patency rates. A fluid-structure interaction finite element model is developed to analyse the blood flow and vessel mechanics to elucidate the mechanisms that can lead to failure. The simulations are validated against flow measurements obtained from magnetic resonance imaging data.
November 14, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29137915/first-line-direct-access-for-transarterial-embolization-of-a-dural-arteriovenous-fistula-case-report-and-literature-review
#5
Brent J Doolan, Iddo Paldor, Peter J Mitchell, Andrew P Morokoff
Intracranial dural arteriovenous fistulae (DAVF) are complex vascular malformations consisting of a pathological shunt located between meningeal arteries and drainage to dural venous sinuses and/or cerebral veins. We report an unusual anatomical variation, resulting in a DAVF forming between the superior sagittal sinus and an anomalous origin of the middle meningeal artery (MMA) arising from the left ophthalmic artery. We present an atypical case requiring mini-craniotomy for catheter access, as well as cannulation of extracranial arterial supply prior to embolization of a Cognard type IIa+b fistula...
November 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29133751/shanghai-score-a-prognostic-and-adjuvant-treatment-evaluating-system-constructed-for-chinese-patients-with-hepatocellular-carcinoma-after-curative-resection
#6
Hui-Chuan Sun, Lu Xie, Xin-Rong Yang, Wei Li, Jian Yu, Xiao-Dong Zhu, Yong Xia, Ti Zhang, Yang Xu, Bo Hu, Li-Ping Du, Ling-Yao Zeng, Jian Ouyang, Wei Zhang, Tian-Qiang Song, Qiang Li, Ying-Hong Shi, Jian Zhou, Shuang-Jian Qiu, Qian Liu, Yi-Xue Li, Zhao-You Tang, Yu Shyr, Feng Shen, Jia Fan
BACKGROUND: For Chinese patients with hepatocellular carcinoma (HCC), surgical resection is the most important treatment to achieve long-term survival for patients with an early-stage tumor, and yet the prognosis after surgery is diverse. We aimed to construct a scoring system (Shanghai Score) for individualized prognosis estimation and adjuvant treatment evaluation. METHODS: A multivariate Cox proportional hazards model was constructed based on 4166 HCC patients undergoing resection during 2001-2008 at Zhongshan Hospital...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29131513/role-of-vascular-ultrasound-scanning-in-repeated-trans-radial-coronary-artery-intervention-prospective-randomized-study
#7
Mahmoud Farouk Elmahdy, Mohamed Hassan, Ahmed Elguindy
OBJECTIVES: We aimed to detect if pre-procedure vascular ultrasound scanning (VUS) of radial arteries (RAs) can increase the radial access success (RAS) rate and/or reduce the vascular access time (VAT), by guiding the choice of the proper access site for repeated trans-radial interventions (TRIs). BACKGROUND: Currently, repeated-TRIs are encountered more frequently in most of the cath. labs. However, structural changes of the RAs after TRA may hinder it is usage for repeated-TRI...
November 13, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29131296/complete-percutaneous-approach-versus-surgical-access-in-transfemoral-transcatheter-aortic-valve-implantation-results-from-a-multicenter-registry
#8
Janusz Kochman, Łukasz Kołtowski, Zenon Huczek, Bartosz Rymuza, Radosław Wilimski, Maciej Dąbrowski, Adam Witkowski, Marek Grygier, Anna Olasińska-Wiśniewska, Piotr Kubler, Krzysztof Reczuch, Radosław Parma, Andrzej Ochała, Dariusz Jagielak, Wacław Kochman, Eberhard Grube
BACKGROUND: Although the femoral approach is the most common route utilized in transcatheter aortic valve implantation (TAVI) it still carries a substantial risk of severe bleeding and vascular complications. The aim of our study was to compare the safety and efficacy of the complete percutaneous (CPC) approach with surgical cutdown and closure (SCC) in TAVI patients. METHODS: The study population comprised 683 patients with severe aortic stenosis who underwent transfemoral TAVI...
November 13, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/29130991/pre-end-stage-renal-disease-hemoglobin-variability-predicts-post-end-stage-renal-disease-mortality-in-patients-transitioning-to-dialysis
#9
Keiichi Sumida, Charles Dyer Diskin, Miklos Z Molnar, Praveen K Potukuchi, Fridtjof Thomas, Jun Ling Lu, Connie M Rhee, Elani Streja, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
BACKGROUND: Hemoglobin variability (Hb-var) has been associated with increased mortality both in non-dialysis dependent chronic kidney disease (NDD-CKD) and end-stage renal disease (ESRD) patients. However, the impact of Hb-var in advanced NDD-CKD on outcomes after dialysis initiation remains unknown. METHODS: Among 11,872 US veterans with advanced NDD-CKD transitioning to dialysis between October 2007 through September 2011, we assessed Hb-var calculated from the residual SD of at least 3 Hb values during the last 6 months before dialysis initiation (prelude period) using within-subject linear regression models, and stratified into quartiles...
November 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29130658/-vein-nerve-conduit-supported-by-vascular-stent-in-the-regeneration-of-peripheral-nerve-in-rabbits
#10
Wei-Kun Meng, Zhong Huang, Zhen Tan, Liang Li, Qiang Guo, Zhen Zhang, Cheng-Xi Wu, Lei Liu, Fu-Guo Huang, Guang-Lin Wang
OBJECTIVE: To evaluate the effectiveness of autologous vein nerve conduit supported by vascular stent in repairing a 10 mm gap peroneal nerve in white New Zealand rabbits. METHODS: 30 New Zealand rabbits were randomly divided into three groups: autologous nerve group (group A),conventional autologous vein nerve conduit group (group B),autologous vein nerve conduit supported by vascular stent group (group C). 10 mm common peroneal nerve was cut off. In groups A,the peroneal nerve was turned 180 ° before suturing...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29130619/a-feasibility-study-of-transaxillary-tavi-with-the-lotus-valve
#11
Sagar N Doshi, Sudhakar George, Chun Shing Kwok, Anthony Mechery, Mamas Mamas, Peter F Ludman, Jonathan N Townend, Moninder Bhabra
OBJECTIVES: To assess the feasibility of axillary transcatheter aortic valve implantation (TAVI) using the Lotus valve. BACKGROUND: TAVI is used to treat patients with severe aortic stenosis, with transfemoral (TF) access being the safest and most widely used route. In patients unsuitable for this, there are reports that the axillary artery may be safest alternative access route. The Lotus device is a fully retrievable 2nd generation transcatheter heart valve which is licensed for femoral and transaortic access...
November 11, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29130612/caliber-and-fitness-of-the-axillary-artery-as-a-conduit-for-large-bore-cardiovascular-procedures
#12
Daniel M Arnett, James C Lee, Michael A Harms, Kathleen E Kearney, Mario Ramos, Bryn M Smith, Emily C Anderson, Rajiv Tayal, James M McCabe
OBJECTIVES: We sought to describe the caliber and vascular health of the subclavian and axillary arteries as related to their potential utilization in complex cardiovascular procedures. BACKGROUND: Patients referred for advanced catheter-based therapies frequently have lower extremity peripheral vascular disease that may prohibit the use of large bore arterial catheters. Utilization of the upper extremity peripheral vasculature is rarely considered as an alternative access strategy...
November 11, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29130577/factors-affecting-the-patency-of-arteriovenous-fistulas-for-hemodialysis-single-center-experience
#13
Radojica V Stolic, Goran Z Trajkovic, Mirjana M Kostic, Branko Mihailovic, Aleksandar N Jovanovic, Bratislav D Lazic, Ivana R Matijasević, Maša D Jaksić, Zlatica M Mirkovic, Tanja N Smilic, Javorka S Mitic
INTRODUCTION: Arteriovenous fistulas (AVFs) are the preferred form vascular access for hemodialysis (HD), as they have a low rate of complications and durable function. The aim of our investigation was to analyze the factors that might influence the function of AVFs. METHODS: Data were taken from the computerized patient record system in the Clinic of Urology and Nephrology, Clinical Center, Kragujevac, Serbia, for a 2-year period. We analyzed patients who had requested re-creation of AVFs as a secondary procedure...
November 12, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29130399/recent-trends-in-publications-of-us-vascular-surgery-program-directors
#14
Afsha Aurshina, Anil Hingorani, Amrit Hingorani, Ayisha Zainab, Natalie Marks, Sheila Blumberg, Enrico Ascher
Objective In order to examine the academic productivity of US vascular surgery program directors, the number of vascular publications listed in PubMed from 2001 to 2015 for US vascular surgery program directors was reviewed. We suggest that this can be used as a benchmark for academic productivity. Methods The names of the program directors were taken from the Accreditation Council for Graduate Medical Education (ACGME) website at two time points: December 2009 (Independent Programs) and December 2015 (Independent + Integrated)...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29129724/retinal-vasculature-development-in-health-and-disease
#15
REVIEW
Senthil Selvam, Tejas Kumar, Marcus Fruttiger
Development of the retinal vasculature is based on highly coordinated signalling between different cell types of the retina, integrating internal metabolic requirements with external influences such as the supply of oxygen and nutrients. The developing mouse retinal vasculature is a useful model system to study these interactions because it is experimentally accessible for intra ocular injections and genetic manipulations, can be easily imaged and develops in a similar fashion to that of humans. Research using this model has provided insights about general principles of angiogenesis as well as pathologies that affect the developing retinal vasculature...
November 9, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/29127118/the-acra-anatomy-study-assessment-of-disability-after-coronary-procedures-using-radial-access-a-comprehensive-anatomic-and-functional-assessment-of-the-vasculature-of-the-hand-and-relation-to-outcome-after-transradial-catheterization
#16
Maarten A H van Leeuwen, Maurits R Hollander, Dirk J van der Heijden, Peter M van de Ven, Kim H M Opmeer, Yannick J H J Taverne, Marco J P F Ritt, Ferdinand Kiemeneij, Nicolas M van Mieghem, Niels van Royen
BACKGROUND: The palmar arches serve as the most important conduits for digital blood supply, and incompleteness may lead to digital ischemia when the radial artery becomes obstructed after cardiac catheterization. The rate of palmar arch incompleteness and the clinical consequences after transradial access are currently unknown. METHODS AND RESULTS: The vascular anatomy of the hand was documented by angiography in 234 patients undergoing transradial cardiac catheterization...
November 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29124458/pitfalls-of-cannulation-for-extracorporeal-life-support-review-of-the-literature-and-illustrative-case-presentation
#17
REVIEW
Martin Geyer, Bernhard Gohrbandt, Ingo Sagoschen, Thomas Hartmann, Felix Post, Christian-Friedrich Vahl, Thomas Münzel
Extracorporeal membrane oxygenation (ECMO) and extracorporeal life support (ECLS) are an increasingly established advanced therapy for emerging severe lung and/or cardiocirculatory dysfunction or failure. Several reports have provided evidence for a potential benefit in prognosis by ECLS in cases of cardiogenic shock including cardiopulmonary resuscitation. Routine use in specialized centers reduces the incidence of negative side effects (e.g., vascular/ischemic, embolic, hemorrhagic, hemolytic and, furthermore, septic)...
November 9, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29122210/strategies-to-increase-patient-safety-in-hemodialysis-application-of-the-modal-analysis-system-of-errors-and-effects-fema-system
#18
María Dolores Arenas Jiménez, Gabriel Ferre, Fernando Álvarez-Ude
BACKGROUND: Haemodialysis (HD) patients are a high-risk population group. For these patients, an error could have catastrophic consequences. Therefore, systems that ensure the safety of these patients in an environment with high technology and great interaction of the human factor is a requirement. OBJECTIVES: To show a systematic working approach, reproducible in any HD unit, which consists of recording the complications and errors that occurred during the HD session; defining which of those complications could be considered adverse event (AE), and therefore preventable; and carrying out a systematic analysis of them, as well as of underlying real or potential errors, evaluating their severity, frequency and detection; as well as establishing priorities for action (Failure Mode and Effects Analysis system [FMEA systems])...
November 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29120892/ce-original-research-does-certification-in-vascular-access-matter-an-analysis-of-the-picc1-survey
#19
Vineet Chopra, Latoya Kuhn, Valerie Vaughn, David Ratz, Suzanne Winter, Nancy Moureau, Britt Meyer, Sarah Krein
Study reveals differences in practices and views between certified and noncertified inserters. ABSTRACT: Background: Although certification by an accredited agency is often a practice prerequisite in health care, it is not required of vascular access specialists who insert peripherally inserted central catheters (PICCs). Whether certification is associated with differences in practice among inserters is unknown. PURPOSE: The purpose of this study was to gather information regarding whether certified and noncertified PICC inserters differ with respect to their practices and views about PICC use...
November 8, 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/29120564/developmental-venous-anomaly-serving-as-a-draining-vein-of-brain-arteriovenous-malformation
#20
Lukas Rasulić, Filip Vitošević, Krešimir Rotim, Svetlana Milošević Medenica, Dragoslav Nestorović
Developmental venous anomalies are cerebral vascular malformations that present normal venous drainage of cerebral tissue. With increased and accessible usage of modern diagnostic tools, they are now one of the most commonly diagnosed cerebral vascular malformations. Although developmental venous anomalies are considered to be benign lesions, association with arteriovenous malformation renders malignant potential to this combined pathology. In the case presented, these malformations were clinically silent and diagnosed accidentally, so they were not treated either with surgery, endovascular surgery or radiosurgery, considering the possible complications such as venous infarction of the brain, and because there was no obvious neurologic deficit related to this pathology...
March 2017: Acta Clinica Croatica
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