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Vascular injury

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https://www.readbyqxmd.com/read/28101628/rho-kinase-inhibitor-fasudil-mitigates-high-cholesterol-diet-induced-hypercholesterolemia-and-vascular-damage
#1
Nibrass Taher Abdali, Awny H Yaseen, Eman Said, Tarek M Ibrahim
The current study was designed to investigate the potential beneficial therapeutic outcome of Rho kinase inhibitor (fasudil) against hypercholesterolemia-induced myocardial and vascular injury in rabbits together with diet modification. Sixteen male rabbits were randomly divided into four groups: normal control group which received standard rabbit chow, hypercholesterolemic control group, and treated groups which received cholesterol-rich rabbit chow (1.5% cholesterol) for 8 weeks. Treated groups received either fasudil (100 mg/kg/day) or rosuvastatin (2...
January 18, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28101408/in-vivo-visualization-and-ex-vivo-quantification-of-experimental-myocardial-infarction-by-indocyanine-green-fluorescence-imaging
#2
Dmitry Sonin, Garry Papayan, Evgeniia Pochkaeva, Svetlana Chefu, Sarkis Minasian, Dmitry Kurapeev, Jarle Vaage, Nickolay Petrishchev, Michael Galagudza
The fluorophore indocyanine green accumulates in areas of ischemia-reperfusion injury due to an increase in vascular permeability and extravasation of the dye. The aim of the study was to validate an indocyanine green-based technique of in vivo visualization of myocardial infarction. A further aim was to quantify infarct size ex vivo and compare this technique with the standard triphenyltetrazolium chloride staining. Wistar rats were subjected to regional myocardial ischemia (30 minutes) followed by reperfusion (n = 7)...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28100525/transoesophageal-echocardiographic-evaluation-of-central-venous-catheter-positioning-using-peres-formula-or-a-radiological-landmark-based-approach-a-prospective-randomized-single-centre-study
#3
J H Ahn, I S Kim, J H Yang, I G Lee, D H Seo, S P Kim
BACKGROUND: The lower superior vena cava (SVC), near its junction with the right atrium (RA), is considered the ideal location for the central venous catheter tip to ensure proper function and prevent injuries. We determined catheter insertion depth with a new formula using the sternoclavicular joint and the carina as radiological landmarks, with a 1.5 cm safety margin. The accuracy of tip positioning with the radiological landmark-based technique (R) and Peres' formula (P) was compared using transoesophageal echocardiography...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100269/a-spleen-tyrosine-kinase-inhibitor-attenuates-the-proliferation-and-migration-of-vascular-smooth-muscle-cells
#4
Hyang-Hee Seo, Sang Woo Kim, Chang Youn Lee, Kyu Hee Lim, Jiyun Lee, Eunhyun Choi, Soyeon Lim, Seahyoung Lee, Ki-Chul Hwang
BACKGROUND: Pathologic vascular smooth muscle cell (VSMC) proliferation and migration after vascular injury promotes the development of occlusive vascular disease. Therefore, an effective chemical agent to suppress aberrant proliferation and migration of VSMCs can be a potential therapeutic modality for occlusive vascular disease such as atherosclerosis and restenosis. To find an anti-proliferative chemical agent for VSMCs, we screened an in-house small molecule library, and the selected small molecule was further validated for its anti-proliferative effect on VSMCs using multiple approaches, such as cell proliferation assays, wound healing assays, transwell migration assays, and ex vivo aortic ring assay...
January 18, 2017: Biological Research
https://www.readbyqxmd.com/read/28100198/mr-imaging-for-detection-of-trampoline-injuries-in-children
#5
E Hauth, H Jaeger, P Luckey, M Beer
BACKGROUND: The recreational use of trampolines is an increasingly popular activity among children and adolescents. Several studies reported about radiological findings in trampoline related injuries in children. The following publication presents our experience with MRI for detection of trampoline injuries in children. METHODS: 20 children (mean 9.2 years, range: 4-15 years) who had undergone an MRI study for detection of suspected trampoline injuries within one year were included...
January 18, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28099389/monitoring-of-vascular-endothelial-growth-factor-and-its-soluble-receptor-levels-in-early-trauma
#6
Jianying Guo, Wenwen Yan, Yong Yang, Zhiyong Wang, Fengjun Tian
BACKGROUND: This clinical observation study aimed to investigate the relationship between the serum levels of vascular endothelial growth factor (VEGF) and its soluble receptors with the severity and the occurrence of late acute respiratory distress syndrome (ARDS) in early trauma. METHODS: Sixty patients with multiple trauma were divided into three groups according to the injury severity score (ISS) and the serum levels of VEGF, soluble VEGF receptor 1 (sVEGFR1), and sVEGFR2, were measured...
January 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28099379/systemic-intraoperative-anticoagulation-during-arterial-injury-repair-implications-for-patency-and-bleeding
#7
Zoё Maher, Brian Frank, Noelle Saillant, Anna Goldenberg, Elizabeth Dauer, Joshua P Hazelton, Andrea Lubitz, Huaqing Zhao, Jeremy W Cannon, Mark J Seamon
BACKGROUND: The role of systemic intraoperative anticoagulation (SIAC) during surgical repair of major arterial injuries is controversial. Any potential improvement in arterial patency must be weighed against the risk of hemorrhage in these critically injured patients. We hypothesized that SIAC would increase arterial patency without increasing bleeding complications. METHODS: We conducted a multi-institution, retrospective cohort study of trauma patients with major vascular injury from 2005-2013 in 3 level I centers...
January 17, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28098568/giant-retroperitoneal-dedifferentiated-liposarcoma
#8
Kemal Beksac, Bulent Aksel, Fisun Ardic Yukruk, Olcay Kandemir
INTRODUCTION: Liposarcoma is the most frequent type of retroperitoneal sarcomas. Dedifferentiated liposarcoma is the least common subtype and is an extremely rare tumor. CASE REPORT: We present the case of a 53-year-old male who was referred with a giant retroperitoneal mass. The patients' mass was deemed unresectable by the previous institution and received chemotherapy with no benefit. We macroscopically removed the 38x32 cm mass with right nefrectomy. Pathological examination revealed dedifferentiated liposarcoma...
January 16, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28097694/serial-cytokine-alterations-and-abnormal-neuroimaging-in-newborn-infants-with-encephalopathy
#9
Fiona M O'Hare, R William G Watson, Amanda O'Neill, Ricardo Segurado, Deirdre Sweetman, Paul Downey, Eoghan Mooney, John Murphy, Veronica Donoghue, Eleanor J Molloy
AIM: Inflammatory cytokines may play a role in the final common pathway in the pathogenesis of hypoxic-ischaemic injury in experimental models. We aimed to profile the systemic pro- and anti-inflammatory response over the first week of life in term infants at risk of neonatal encephalopathy. METHOD: In a tertiary referral university neonatal intensive care unit, serial blood samples were analysed from 41 term infants (requiring resuscitation at birth) in this prospective observational pilot study...
January 17, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28097186/unusual-management-of-thoracic-aortic-injury-after-spinal-instrumentation-just-glue-it
#10
Yannick Deswysen, Jason Labeau, Ludovik Kaminski, Parla Astarci
We report the cases of two patients who presented with screw misplacement following spinal surgery. Both benefited from unusual vascular surgical management with removal of the material and injection of biological glue facing the injury, with uneventful postoperative courses.
June 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28095914/vascular-mapping-of-the-retroauricular-skin-proposal-for-a-posterior-superior-surgical-incision-for-transcutaneous-bone-conduction-hearing-implants
#11
Adam Perenyi, Zsofia Bere, Janos Jarabin, Balazs Sztano, Edit Kukla, Ziad Bikhazi, Laszlo Tiszlavicz, Ferenc Toth, Jozsef Geza Kiss, Laszlo Rovo
BACKGROUND: Passive transcutaneous osseointegrated hearing implant systems have become increasingly popular more recently. The area over the implant is vulnerable due to vibration and pressure from the externally worn sound processor. Good perfusion and neural integrity has the potential to reduce complications. The authors' objective was to determine the ideal surgical exposure to maintain perfusion and neural integrity and decrease surgical time as a result of reduced bleeding. METHODS: The vascular anatomy of the temporal-parietal soft tissue was examined in a total of 50 subjects...
January 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28095884/optimal-fsh-usage-in-revascularization-of-allotransplanted-ovarian-tissue-in-mice
#12
Wen-Zhi Ma, Xiao-Min Zheng, Chang-Chun Hei, Cheng-Jun Zhao, Sha-Sha Xie, Qing Chang, Yu-Fang Cai, Hua Jia, Xiu-Ying Pei, Yan-Rong Wang
BACKGROUD: Ovarian transplantation is a useful method for preserving the fertility of young women with cancer who undergo radiotherapy and chemotherapy. Follicle-stimulating hormone (FSH) is use to protect transplanted ovarian tissues from ischemia injury through promoting revascularization after transplantation, but the side effect of high level FSH is ovarian overstimulation leading to substantial follicular loss. In this study, we investigated the optimal usage of FSH on revascularization in the in vitro cultured ovarian tissues before and after transplantation...
January 17, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28095805/vascular-access-placement-in-patients-with-chronic-kidney-disease-stages-4-and-5-attending-an-inner-city-nephrology-clinic-a-cohort-study-and-survey-of-providers
#13
Narender Goel, Caroline Kwon, Teena P Zachariah, Michael Broker, Vaughn W Folkert, Carolyn Bauer, Michal L Melamed
BACKGROUND: The majority of incident hemodialysis (HD) patients initiate dialysis via catheters. We sought to identify factors associated with initiating hemodialysis with a functioning arterio-venous (AV) access. METHODS: We conducted a retrospective chart review of all adult patients, age >18 years seeing a nephrologist with a diagnosis of CKD stage 4 or 5 during the study period between 06/01/2011 and 08/31/2013 to evaluate the placement of an AV access, initiation of dialysis and we conducted a survey of providers about the process...
January 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28095051/improving-personal-self-advocacy-skills-for-individuals-with-brain-injury-a-randomized-pilot-feasibility-study
#14
Lenore Hawley, Don Gerber, Clare Morey
OBJECTIVE: To investigate the feasibility of a self-advocacy intervention for individuals with acquired brain injury (ABI). DESIGN: Two-arm, parallel-design, randomized feasibility study. METHODS: Twelve participants, 1-year or more post-ABI (TBI and cerebral vascular accident (CVA)), were randomized into treatment/control groups. The treatment group received a group intervention and workbook; the control group received the workbook only. Outcome measures, taken at baseline, post-treatment and 6-weeks follow-up, included the General Self-Efficacy Scale (GSES), Satisfaction with Life Scale (SWLS) and Goal Attainment Scale (GAS) and two exploratory measures developed for the study: the Self Advocacy Scale (SAS) and the Personal Advocacy Activity Scale (PAAS)...
January 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28093678/changes-in-serum-vascular-endothelial-growth-factor-and-endostatin-concentrations-associated-with-circulating-endothelial-progenitor-cells-after-acute-ischemic-stroke
#15
Lixia Xue, Hao Chen, Ting Zhang, Jingjiong Chen, Zhi Geng, Yuwu Zhao
Angiogenesis is an important pathophysiological response to cerebral ischemia, and can be modulated by vascular endothelial growth factor (VEGF) and endostatin. Circulating endothelial progenitor cells (EPCs) also play an important role as an endogenous repair mechanism for ischemic injury. We sought to investigate early changes in the expression of VEGF and endostatin in serum and the circulating EPCs in patients with acute ischemic stroke (AIS) and analyzed the relations between them. The peripheral blood and serum samples were obtained from 30 patients at 1, 3, 5 and 7 d after AIS...
January 16, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28091516/osteopontin-regulates-macrophage-activation-and-osteoclast-formation-in-hypertensive-patients-with-vascular-calcification
#16
Qian Ge, Cheng-Chao Ruan, Yu Ma, Xiao-Feng Tang, Qi-Hong Wu, Ji-Guang Wang, Ding-Liang Zhu, Ping-Jin Gao
Vascular calcification (VC) is a highly regulated ectopic mineral deposition process involving immune cell infiltration in the vasculatures, which has been recognized to be promoted by hypertension. The matricellular glycoprotein osteopontin (OPN) is strongly induced in myeloid cells as a potential inflammatory mediator of vascular injury. This study aims to examine whether OPN is involved in the regulation of macrophage activation and osteoclast formation in hypertensive subjects with VC. We firstly found an increased proportion of CD11c+CD163- pro-inflammatory peripheral monocytes in hypertensive subjects with VC compared to those without VC by flow cytometric analysis...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090802/functional-deficits-induced-by-cortical-microinfarcts
#17
Philipp M Summers, David A Hartmann, Edward S Hui, Xingju Nie, Rachael L Deardorff, Emilie T McKinnon, Joseph A Helpern, Jens H Jensen, Andy Y Shih
Clinical studies have revealed a strong link between increased burden of cerebral microinfarcts and risk for cognitive impairment. Since the sum of tissue damage incurred by microinfarcts is a miniscule percentage of total brain volume, we hypothesized that microinfarcts disrupt brain function beyond the injury site visible to histological or radiological examination. We tested this idea using a mouse model of microinfarcts, where single penetrating vessels that supply mouse cortex were occluded by targeted photothrombosis...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28089898/exercise-guidelines-to-promote-cardiometabolic-health-in-spinal-cord-injured-humans-time-to-raise-the-intensity
#18
Tom E Nightingale, Richard S Metcalfe, Niels Bj Vollaard, James L J Bilzon
Spinal cord injury (SCI) is a life changing event that, as a result of paralysis, negatively influences habitual levels of physical activity and hence cardiometabolic health. Performing regular structured exercise therefore appears extremely important in persons with SCI. However, exercise options are mainly limited to the upper-body, which involves a smaller activated muscle mass compared to the mainly leg-based activities commonly performed by non-disabled individuals. Current exercise guidelines for SCI focus predominantly on relative short durations of moderate-intensity aerobic arm cranking exercise, yet contemporary evidence suggests this is not sufficient to induce meaningful improvements in risk factors for the prevention of cardiometabolic disease in this population...
January 12, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28089666/mini-open-oblique-lumbar-interbody-fusion-olif-approach-for-multi-level-discectomy-and-fusion-involving-l5-s1-preliminary-experience
#19
Fahed Zairi, Tarek P Sunna, Harrison J Westwick, Alexander G Weil, Zhi Wang, Ghassan Boubez, Daniel Shedid
STUDY DESIGN: Technical description and single institution retrospective case series OBJECTIVE: Evaluate technical feasibility and evaluate complications of mini open retroperitoneal oblique lumbar interbody fusion (OLIF) at the L5-S1 level. SUMMARY OF BACKGROUND: The mini open retroperitoneal oblique lumbar interbody fusion (OLIF) approach was first described in 2012 as a surgical approach to achieve spinal fusion while limiting invasiveness of the exposure to the anterior lumbar spine...
January 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28089563/diagnostic-and-prognostic-relevance-of-magnetic-resonance-imaging-and-electrophysiological-findings-in-acute-spinal-ischemia
#20
Dimitrios Artemis, Marc Wolf, Christian Blahak, Kristina Szabo, Michael G Hennerici, Marc Fatar
OBJECTIVE: Our purpose was to classify the rare entity of spontaneous spinal ischemia with clinical, magnetic resonance-tomographic, and electrophysiological parameters to determine criteria for outcome prediction. METHODS: We analyzed the stroke registry database of the University Hospital Mannheim, Germany, from 2004 to 2010 for patients with a diagnosis of vascular spinal cord ischemia. RESULTS: Ten patients were identified (mean age 65 years [range 50-83], 5 women)...
January 12, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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