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Vascular interventions

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https://www.readbyqxmd.com/read/28938025/the-kaposi-s-sarcoma-associated-herpesvirus-kshv-non-structural-membrane-protein-k15-is-required-for-viral-lytic-replication-and-may-represent-a-therapeutic-target
#1
Bizunesh Abere, Tamrat M Mamo, Silke Hartmann, Naira Samarina, Elias Hage, Jessica Rückert, Sven-Kevin Hotop, Guntram Büsche, Thomas F Schulz
Kaposi's sarcoma-associated herpesvirus (KSHV) is the infectious cause of the highly vascularized tumor Kaposi's sarcoma (KS), which is characterized by proliferating spindle cells of endothelial origin, extensive neo-angiogenesis and inflammatory infiltrates. The KSHV K15 protein contributes to the angiogenic and invasive properties of KSHV-infected endothelial cells. Here, we asked whether K15 could also play a role in KSHV lytic replication. Deletion of the K15 gene from the viral genome or its depletion by siRNA lead to reduced virus reactivation, as evidenced by the decreased expression levels of KSHV lytic proteins RTA, K-bZIP, ORF 45 and K8...
September 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28937059/the-effect-of-an-educational-program-for-vascular-access-care-on-nurses-knowledge-at-dialysis-centers-in-khartoum-state-sudan
#2
Kalthoum Ibrahim Yousif, Hasan Abu-Aisha, Omar Ibrahim Abboud
End-stage renal disease is a worldwide problem that requires highly skilled nursing care. Hemodialysis (HD) is a corner-stone procedure in the management of most patients who require renal replacement therapy. Adequate vascular access is essential for the successful use of HD. Appropriate knowledge in taking care of vascular access is essential for minimizing complications and accurately recognizing vascular access-related problems. This study was to evaluate the effect of an educational program for vascular access care on nurses' knowledge at nine dialysis centers in Khartoum State...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28936936/-treatment-of-dementia
#3
K Blom, G A H van den Elsen, H L Koek, J B Sanders, H C Kruithof, J A H R Claassen
- Treatment options for patients with dementia are limited. This article provides an overview of possible interventions, both pharmaceutical and non-pharmaceutical, for Alzheimer's disease, vascular dementia and mixed dementia.- Pharmaceutical treatment options include cholinesterase inhibitors, memantine and experimental medication. Cholinesterase inhibitors are only recommended for Alzheimer's disease and mixed dementia, not for vascular dementia or mild cognitive impairment. There is no proof of effectiveness for the other pharmaceutical options...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28936892/initial-experience-with-cinematic-rendering-for-chest-cardiovascular-imaging
#4
Steven Rowe, Pamela Johnson, Elliot Fishman
Three-dimensional (3D) computed tomography (CT) with volume rendering (VR) and maximum intensity projection (MIP) is an integral component of CT interpretation for diagnosis and treatment planning of vascular pathology. Cinematic rendering (CR is a new rendering algorithm that incorporates a more advanced lighting model than that used for VR, to create photorealistic 3D CT images. The post-processing tool is not yet widely available and its ultimate clinical utility has yet to be assessed in well-designed studies...
September 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28935511/pavia-experience-in-reoperative-pulmonary-endarterectomy
#5
Vera Nadia Merli, Nicola Vistarini, Valentina Grazioli, Antonio Sciortino, Maurizio Pin, Ilaria Parisi, Andrea Maria D'Armini
In our experience, we reperformed pulmonary endarterectomy (PEA) in 10 patients who previously underwent a first PEA. We analyzed this cohort of patients to investigate the main causes of recurrence of symptomatic pathology and the clinical and hemodynamic results of redo surgery. Between 1994 and April 2016, 10 of 716 patients were reoperated at our institution. Available postoperative data were analyzed, and a comparison between first and second PEA hemodynamic and clinical results was carried out. In-hospital mortality rate was also evaluated...
August 24, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28935368/ube2t-promotes-hepatocellular-carcinoma-cell-growth-via-ubiquitination-of-p53
#6
Li-Ping Liu, Mei Yang, Quan-Zhou Peng, Ming-Yue Li, Yu-Sen Zhang, Yue-Hua Guo, Yang Chen, Shi-Yun Bao
Deregulation of Ubiquitin-conjugating enzyme E2T (UBE2T) contributes to the progression of human cancers. However, its clinical significance and role in hepatocellular carcinoma (HCC) remain unclear. Here, we show that UBE2T is up-regulated in HCC and exerts oncogenic activities via ubiquitination of p53. High UBE2T expression was correlated with higher pathological grade, advanced TNM stage, tumor vascular invasion, and poor overall and disease-free survivals in two independent cohorts containing 827 patients with HCC...
September 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28933520/anticoagulation-and-antiplatelet-therapy-in-patients-with-peripheral-arterial-disease-of-the-femoro-popliteal-arteries
#7
Cornelis G Vos, Anco Vahl
Peripheral arterial disease (PAD) is associated with a substantial cardiovascular risk and secondary prevention is recommended for all patients. In this report the literature on anticoagulant and antiplatelet drugs for patients with PAD in the femoro-popliteal segment is reviewed. PubMED/MEDLINE and Cochrane Database was searched for studies published between January 1966 and August 2017. Meta-analyses and randomized controlled trials describing outcome of anticoagulants or antiplatelet drugs for secondary prevention or following vascular interventions in patients with PAD were included...
September 20, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28932700/endovascular-management-of-arterial-injuries-after-blunt-or-iatrogenic-renal-trauma
#8
REVIEW
Romaric Loffroy, Olivier Chevallier, Sophie Gehin, Marco Midulla, Pierre-Emmanuel Berthod, Christophe Galland, Pascale Briche, Céline Duperron, Nabil Majbri, Christiane Mousson, Nicolas Falvo
The kidney is the third most common abdominal organ to be injured in trauma, following the spleen and liver, respectively. The most commonly used classification scheme is the American Association for the Surgery of Trauma (AAST) classification of blunt renal injuries, which grades renal injury according to the size of laceration and its proximity to the renal hilum. Arteriovenous fistula and pseudoaneurysm are the most common iatrogenic biopsy-related or surgery-related vascular injuries in native kidneys. The approach to renal artery injuries has changed over time from more aggressive intervention to more conservative observational or endovascular management, including selective transcatheter arterial embolization (TAE) and the placement of stents/stent grafts...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932625/vascular-aging-implications-for-cardiovascular-disease-and-therapy
#9
Yohannes T Ghebre, Eduard Yakubov, Wing Tak Wong, Prasanna Krishnamurthy, Nazish Sayed, Andrew G Sikora, Mark D Bonnen
The incidence and prevalence of cardiovascular disease is highest among the elderly, in part, due to deleterious effects of advancing age on the heart and blood vessels. Aging, a known cardiovascular risk factor, is progressively associated with structural and functional changes to the vasculature including hemodynamic disturbance due to increased oxidative stress, premature cellular senescence and impairments in synthesis and/or secretion of endothelium-derived vasoactive molecules. These molecular and physiological changes lead to vessel wall stiffening and thickening, as well as other vascular complications that culminate to loss of vascular tone regulation and endothelial function...
December 2016: Translational Medicine: Current Research
https://www.readbyqxmd.com/read/28932531/adverse-events-with-bioresorbable-vascular-scaffolds-in-routine-percutaneous-coronary-interventions-coup-de-th%C3%A3-%C3%A3-tre-or-unfinished-play
#10
EDITORIAL
Salvatore Cassese, Oliver Husser, Adnan Kastrati
No abstract text is available yet for this article.
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28931312/antidepressive-effects-of-environmental-enrichment-in-chronic-stress-induced-depression-in-rats
#11
Ho-Hyun Seong, Jong-Min Park, Youn-Jung Kim
Depression is caused by a variety of factors, especially stressful life events. Chronic stress-induced depression has detrimental effects on hippocampal integrity. Environmental enrichment (EE) is a beneficial intervention for improving anxiety, fear, and stress. We aimed to investigate the antidepressive effects of EE in a depressive rat model (DEP) that was subjected to chronic stress. The control group ( n = 10) was kept under normal conditions, while depressive rats ( n = 8 per group) were randomized into DEP, DEP + EE, and DEP + fluoxetine (Flx) groups...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28931265/diagnostic-and-interventional-optical-angioscopy-in-ex-vivo-carotid-arteries
#12
Luis E Savastano, Neeraj Chaudhary, Carlos Murga-Zamalloa, Michael Wang, Thomas Wang, B Gregory Thompson
BACKGROUND: Angioscopy - or endovascular endoscopy - is a catheter-based technique employing a flexible fiberoptic angioscope to directly visualize arterial lumen. Poor resolution and excessive stiffness of pre-existent angioscopes limited their use clinically. Recent advances resulted in novel fused optical fiber bundle angioscopes with improved flexibility and imaging resolution. Use of these devices in endovascular neurosurgery is still largely unexplored. OBJECTIVE: To evaluate image quality and feasibility of optical angioscopes for diagnostic and interventional neuro-angioscopy in carotid arteries of human cadavers...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#13
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28930931/multiple-concomitant-traumatic-pseudoaneurysms-of-the-superficial-temporal-artery
#14
Doga Gurkanlar, Sevda Lafci Fahrioğlu
The authors present a case with a 22-year-old man suffering from a 2 pseudoaneurysms at the temporal region following trauma. The second pseudoaneurysm was diagnosed through an astute use of digital subtraction angiography along with ultrasound to the right external carotid artery which was preferred due to the presence of a vascular pathology at the region of the trauma. During surgery, the distal and proximal ends of both aneurysms were ligated and resected. The concomitant pseudoaneurysms and the use of digital subtraction angiography should be kept in mind in such trauma patients to prevent additional surgical interventions...
September 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28929836/the-relationship-between-blood-flow-impairment-and-oxygen-depletion-in-acute-ischemic-stroke-imaged-with-magnetic-resonance-imaging
#15
Alexander Seiler, Nicholas P Blockley, Ralf Deichmann, Ulrike Nöth, Oliver C Singer, Michael A Chappell, Johannes C Klein, Marlies Wagner
Oxygenation-sensitive spin relaxation time T2' and relaxation rate R2' (1/T2') are presumed to be markers of the cerebral oxygen extraction fraction (OEF) in acute ischemic stroke. In this study, we investigate the relationship of T2'/R2' with dynamic susceptibility contrast-based relative cerebral blood flow (rCBF) in acute ischemic stroke to assess their plausibility as surrogate markers of the ischemic penumbra. Twenty-one consecutive patients with internal carotid artery and/or middle cerebral artery occlusion were studied at 3...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28929100/advents-in-the-diagnosis-and-management-of-ischemic-colitis
#16
REVIEW
Evangelos P Misiakos, Dimitrios Tsapralis, Theodore Karatzas, Irene Lidoriki, Dimitrios Schizas, George S Sfyroeras, Konstantinos G Moulakakis, Chrysostomos Konstantos, Anastasios Machairas
BACKGROUND: Ischemic colitis (IC) is a common type of ischemic insult, resulting from decreased arterial blood flow to the colon. This disease can be caused from either atherosclerotic occlusive vascular disease or non-occlusive disease. The aim of this study is to present the diagnostic methodology and management of this severe disease based on current literature. METHODS: A literature search has been done including articles referring to modern diagnosis and management of IC...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28927979/enlarging-vascular-stents-after-pediatric-liver-transplantation
#17
Yi-Ting Yeh, Cheng-Yen Chen, Hsiou-Shan Tseng, Hsin-Kai Wang, Hsin-Lin Tsai, Niang-Cheng Lin, Chou-Fu Wei, Chinsu Liu
BACKGROUND: Endovascular intervention with stent placement to treat portal vein (PV) and hepatic vein (HV) stenosis after pediatric liver transplantation (LT) is still controversial in small children owing to the potential risk of functional stenosis after growth. The aim of this study is to evaluate the safety and efficacy of stent placement in this population. METHODS: Between 2004 and 2016, 6 children (all <3 years) received HV (n = 2) and PV (n = 4) stents placement among 46 pediatric LT patients at our institution...
September 5, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28927896/niacin-and-heart-disease-prevention-engraving-its-tombstone-is-a-mistake
#18
REVIEW
Harold Robert Superko, Xue-Qiao Zhao, Howard N Hodis, John R Guyton
Niacin (nicotinic acid) has been used for primary and secondary coronary heart disease prevention for over 40 years. Until recently clinical trials incorporating niacin as part of an intervention strategy consistently demonstrated reduction in clinical events and lesion improvement, including ≥6% absolute mortality reduction. Two large clinical event trials in 2011 (Atherothrombosis Intervention in Metabolic Syndrome With Low HDL/High Triglycerides and Impact on Global Health Outcomes) and 2014 (Heart Protection Study 2-Treatment of HDL to Reduce the Incidence of Vascular Events) concluded that niacin added to statin therapy did not provide clinical event benefit over statin alone...
August 24, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28927716/the-effects-of-lifestyle-modification-and-statin-therapy-on-the-circulatory-markers-for-vascular-risk-in-patients-with-epilepsy
#19
Dong Wook Kim, Hyun Kyung Kim, Eun-Kee Bae
Although long-term therapy with antiepileptic drugs can increase the risk of vascular diseases, there have been little attempts to reduce the increased vascular risk in patients with epilepsy. We conducted a prospective longitudinal study to assess the effects of lifestyle modification and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor (statin) therapy on the increased circulatory markers for vascular risk in patients with epilepsy. We recruited patients with increased vascular risk such as a history of vascular events or hypercholesterolemia, and they decided whether to be treated with statin or just to modify their lifestyle...
September 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28927645/angiotensin-ii-type-1-receptor-antibodies-are-associated%C3%A2-with-inflammatory-cytokines-and-poor-clinical-outcomes-in-pediatric-kidney-transplantation
#20
Meghan H Pearl, Qiuheng Zhang, Miguel Fernando Palma Diaz, Jonathan Grotts, Maura Rossetti, David Elashoff, David W Gjertson, Patricia Weng, Elaine F Reed, Eileen Tsai Chambers
Angiotensin II type 1 receptor (AT1R) antibody has been linked to poor allograft outcomes in adult kidney transplantation. However, its clinical consequences in children are unknown. To study this, we examined the relationship of AT1R antibody with clinical outcomes, biopsy findings, inflammatory cytokines, and HLA donor-specific antibodies (DSA) in a cohort of pediatric renal transplant recipients. Sixty-five patients were longitudinally monitored for AT1R antibody, HLA DSA, IL-8, TNF-α, IL-1β, IFN-γ, IL-17, and IL-6, renal dysfunction, hypertension, rejection, and allograft loss during the first two years post transplantation...
September 16, 2017: Kidney International
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