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https://www.readbyqxmd.com/read/28550708/rapid-sealing-of-porcine-renal-blood-vessels-ex-vivo-using-a-high-power-1470-nm-laser-and-laparoscopic-prototype
#1
Luke A Hardy, Thomas C Hutchens, Eric R Larson, David A Gonzalez, Chun-Hung Chang, William H Nau, Nathaniel M Fried
No abstract text is available yet for this article.
May 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28550271/the-pleiotropic-vasoprotective-functions-of-high-density-lipoproteins-hdl
#2
Boyce Guilaine, Button Emily, Soo Sonja, Wellington Cheryl
The pleiotropic functions of circulating high density lipoprotein (HDL) on peripheral vascular health are well established. HDL plays a pivotal role in reverse cholesterol transport and is also known to suppress inflammation, endothelial activation and apoptosis in peripheral vessels. Although not expressed in the central nervous system, HDL has nevertheless emerged as a potential resilience factor for dementia in multiple epidemiological studies. Animal model data specifically support a role for HDL in attenuating the accumulation of β-amyloid within cerebral vessels concomitant with reduced neuroinflammation and improved cognitive performance...
May 26, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28550242/impact-of-groin-flap-ischemia-reperfusion-on-red-blood-cell-micro-rheological-parameters-in-a-follow-up-study-on-rats
#3
Zsuzsanna Magyar, Abel Molnar, David Belkin Nachmias, Din Mann, Viktoria Sogor, Anita Mester, Katalin Peto, Norbert Nemeth
BACKGROUND: Flap hypoperfusion or ischemia-reperfusion (I/R) may occur during preparation-transposition procedures and by postoperative thrombotic complications. Behind the microcirculatory disturbances micro-rheological alterations are also supposed. OBJECTIVE: We aimed to investigate the groin flap I/R with following-up micro-rheological parameters. METHODS: Anesthetized rats were subjected to Control or I/R groups. Groin flaps were prepared bilaterally, pedicled on the superficial epigastric vessels...
May 24, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28550118/s100a9-potentiates-the-activation-of-neutrophils-by-the-etiological-agent-of-gout-monosodium-urate-crystals
#4
Louis-Simon Rousseau, Guillaume Paré, Asmaa Lachhab, Paul H Naccache, François Marceau, Philippe Tessier, Martin Pelletier, Maria Fernandes
Gout is one of the most painful types of arthritis that arises when the body mounts an acute inflammatory reaction against a crystallized form of uric acid known as monosodium urate crystals (MSUs). Although MSUs are known to activate neutrophils, the most abundant leukocyte in the synovial fluid of patients with gout, few studies have investigated the effect on neutrophils of the simultaneous stimulation with MSU and proinflammatory mediators in the inflamed joint. Herein, we focused on a protein that is highly expressed in the synovium in gout, S100A9...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28549958/a-novel-antegrade-approach-for-simultaneous-carotid-endarterectomy-and-angioplasty-of-proximal-lesions-in-patients-with-tandem-stenosis-of-supraaortic-arch-vessels
#5
Djordje Radak, Slobodan Tanaskovic, Dragan Sagic, Zelimir Antonic, Predrag Gajin, Srdjan Babic, Mihailo Neskovic, Predrag Matic, Vladimir Kovacevic, Dragoslav Nenezic, Nenad Ilijevski
INTRODUCTION: To date all published studies analyzing simultaneous treatment of carotid and proximal atherosclerotic lesions are describing retrograde approach and several technical variations. In the presented study, for the first time antegrade approach is described for simultaneous carotid endarterectomy (CEA) and associated brachiocephalic trunk (BCT) or common carotid artery (CCA) angioplasty in the hybrid operating room. METHODOLOGY: From January 2012 till January 2016 antegrade hybrid procedures were performed in 18 patients...
May 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28549801/methanolic-extract-of-boswellia-serrata-exhibits-anti-cancer-activities-by-targeting-microsomal-prostaglandin-e-synthase-1-in-human-colon-cancer-cells
#6
Tayebe Ranjbarnejad, Massoud Saidijam, Shirin Moradkhani, Rezvan Najafi
BACKGROUND: Colorectal cancer (CRC) is the most common cancer. A proper method to reduce mortality of CRC is chemoprevention to prevent initiation and promotion of intestinal tumorgenesis. One of the promising and developing chemopreventive agents is natural compounds found in plants. Frankincense, the resin extract from the Boswellia specious, has been used in traditional and modern medicine for treating various diseases with very minimal side effects. In the current study, we investigated the anti-cancer activity of methanolic extract of Boswellia serrata (B...
May 23, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28549667/epidemiology-of-cerebrovascular-disease-among-chinese-canadians-with-diabetes
#7
REVIEW
Susy Lam, Joseph Y Chu
BACKGROUND: First-generation Chinese Canadians have usually maintained different lifestyles before immigration to North America, and the question of whether Chinese Canadians with type 2 diabetes have a different stroke profile than that of non-Chinese Canadians remains unanswered. OBJECTIVES: To determine whether 1) Chinese Canadians who have had a stroke within the last 15 years are more likely to have diabetes than non-Chinese Canadians and 2) to explore differences in stroke profiles between the 2 cohorts...
May 23, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28549639/ten-year-retrospective-study-on-the-management-of-spinal-arteriovenous-lesions-efficacy-of-a-combination-of-intra-operative-digital-subtraction-angiography-and-intra-arterial-dye-injection
#8
Toshiya Osanai, Kazutoshi Hida, Takeshi Asano, Toshitaka Seki, Toru Sasamori, Kiyohiro Houkin
BACKGROUND: The goal of treatment for spinal arteriovenous lesions is to completely obliterate the shunt. In our institution, intra-operative digital subtraction angiography (IODSA) and intra-arterial injection of contrast agent have already been used to accurately identify the site of arteriovenous shunts. OBJECTIVE: In this paper, we describe the IODSA and intra-arterial dye injection (IADI) procedures, and how they may improve surgical outcomes. METHODS: We retrospectively investigated 22 patients with intra-dural arteriovenous lesions(n = 19) or spinal dural arteriovenous fistulae (SDAVFs) (n = 3)...
May 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28549448/statistical-permutation-based-artery-mapping-spam-a-novel-approach-to-evaluate-imaging-signals-in-the-vessel-wall
#9
Robert Seifert, Aaron Scherzinger, Friedemann Kiefer, Sven Hermann, Xiaoyi Jiang, Michael A Schäfers
BACKGROUND: Cardiovascular diseases are the leading cause of death worldwide. A prominent cause of cardiovascular events is atherosclerosis, a chronic inflammation of the arterial wall that leads to the formation of so called atherosclerotic plaques. There is a strong clinical need to develop new, non-invasive vascular imaging techniques in order to identify high-risk plaques, which might escape detection using conventional methods based on the assessment of the luminal narrowing. In this context, molecular imaging strategies based on fluorescent tracers and fluorescence reflectance imaging (FRI) seem well suited to assess molecular and cellular activity...
May 26, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28549310/segmentation-of-lumen-and-outer-wall-of-abdominal-aortic-aneurysms-from-3d-black-blood-mri-with-a-registration-based-geodesic-active-contour-model
#10
Yan Wang, Florent Seguro, Evan Kao, Yue Zhang, Farshid Faraji, Chengcheng Zhu, Henrik Haraldsson, Michael Hope, David Saloner, Jing Liu
Segmentation of the geometric morphology of abdominal aortic aneurysm is important for interventional planning. However, the segmentation of both the lumen and the outer wall of aneurysm in magnetic resonance (MR) image remains challenging. This study proposes a registration based segmentation methodology for efficiently segmenting MR images of abdominal aortic aneurysms. The proposed methodology first registers the contrast enhanced MR angiography (CE-MRA) and black-blood MR images, and then uses the Hough transform and geometric active contours to extract the vessel lumen by delineating the inner vessel wall directly from the CE-MRA...
May 19, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28549249/cd146-mcam-in-human-cs-dlk1-cs-cd34-adipose-stromal-progenitor-cells
#11
Susanne Hörl, Asim Ejaz, Sebastian Ernst, Monika Mattesich, Andreas Kaiser, Brigitte Jenewein, Marit E Zwierzina, Sarina Hammerle, Carina Miggitsch, Maria C Mitterberger-Vogt, Claudia Krautgasser, Gerhard Pierer, Werner Zwerschke
To precisely characterize CD146 in adipose stromal/progenitor cells (ASCs) we sorted the stromal vascular faction (SVF) of human abdominal subcutaneous white adipose tissue (sWAT) according to cell surface (cs) expression of CD146, DLK1 and CD34. This test identified three main SVF cell populations: ~50% cs-DLK1(-)/cs-CD34(+)/cs-CD146(-) ASCs, ~7.5% cs-DLK1(+)/cs-CD34(dim/+)/cs-CD146(+) and ~7.5% cs-DLK1(+)/cs-CD34(dim/+)/cs-CD146(-) cells. All cells contained intracellular CD146. Whole mount fluorescent IHC staining of small vessels detected CD146(+) endothelial cells (CD31(+)/CD34(+)/CD146(+)) and pericytes (CD31(-)/CD34(-)/CD146(+) ASCs)...
May 17, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28549022/pictorial-review-of-surgical-anatomy-in-adult-congenital-heart-disease
#12
Carlo N De Cecco, Giuseppe Muscogiuri, José M Madrid Pérez, Marwen Eid, Pal Suranyi, Virginia W Lesslie, Gorka Bastarrika
The survival rate of patients with congenital heart disease (CHD) has dramatically improved over the last 2 decades because of technological and surgical advances in diagnosis and treatment, respectively. The vast majority of CHD patients are, in fact, amenable to treatment by either device closure or surgery. Considering the wide spectrum of surgical procedures and complex native and derived anatomy, continuous and detailed follow-up is of paramount importance. Cardiac magnetic resonance and cardiac computed tomography angiography are the cornerstones of diagnosis and follow-up of CHD, allowing for comprehensive noninvasive assessment of the heart, coronary tree, and intrathoracic great vessels, along with both morphological and functional evaluation...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28548474/aortic-aneurysm-endovascular-treatment-with-the-parallel-graft-technique-from-the-aortic-arch-to-the-iliac-axis
#13
Gian F Fadda, Mario Marino, Holta Kasemi, Costantino L DI Angelo, Carlo P Dionisi, Valeria Cammalleri, Carlo Setacci
BACKGROUND: The chimney technique has been developed for the treatment of complex aortic aneurysms. We analyzed the midterm to long-term outcomes of this approach from a single- centre experience. METHODS: From October 2008 to July 2016, 58 patients underwent endovascular aortic aneurysm repair using the chimney technique. Indications for treatment were thoracic aortic aneurysm (TAA) (n = 11), thoracoabdominal aortic aneurysm (TAAA) (n = 2), pararenal aortic aneurysm (PAAA) (n= 15), aortoiliac/isolated hypogastric artery aneurysm (n = 25), type I endoleak after previous TEVAR/EVAR (n=4), proximal pseudoaneurysm after AAA open repair (n = 1)...
May 26, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28548371/the-additional-utility-of-two-dimensional-strain-in-detection-of-coronary-artery-disease-presence-and-localization-in-patients-undergoing-dobutamine-stress-echocardiogram
#14
Alaa Roushdy, Yomna Abou El Seoud, Mohamed Abd Elrahman, Basem Wadeaa, Adel Eletriby, Zainab Abd El Salam
BACKGROUND: Dobutamine stress echocardiogram (DSE) is a feasible and safe exercise-independent stress modality for diagnoses of coronary artery disease (CAD), but it is subjective, and operator dependant. Two-dimensional strain at peak stress could overcome these limitations and thus increase the accuracy of DSE. METHODS AND RESULTS: This was a prospective observational study in which 80 patients underwent DSE, two-dimensional strain at peak stress, and coronary angiography...
May 26, 2017: Echocardiography
https://www.readbyqxmd.com/read/28548298/total-cerebral-small-vessel-disease-score-and-cognitive-performance-in-community-dwelling-older-adults-results-from-the-atahualpa-project
#15
Victor J Del Brutto, Jorge G Ortiz, Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, José Biller
OBJECTIVE: Cerebral small vessel disease (SVD) is inversely associated with cognitive performance. However, whether the total SVD score is a better predictor of poor cognitive performance than individual signatures of SVD is inconclusive. We aimed to estimate the combined and independent predictive power of these MRI findings. METHODS: Atahualpa residents aged ≥60 years underwent brain MRI. Cognitive performance was measured by the Montreal Cognitive Assessment (MoCA)...
May 26, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28548010/initial-experience-with-the-6-f-and-8-f-indigo-thrombectomy-system-for-acute-renovisceral-occlusive-events
#16
Theodosios Bisdas, Konstantinos Stavroulakis, Efthymios Beropoulis, Arne Schwindt, Arne Stachmann, Martin Austermann, Giovanni Torsello
PURPOSE: To examine the safety and effectiveness of the new large-bore Indigo thrombectomy catheters to treat patients with acute renovisceral occlusion without the need of thrombolytic agents. METHODS: Between November 2015 and 2016, 7 consecutive patients (mean age 65±5 years; 5 men) with acute renovisceral artery occlusion were treated with the new large-bore (6-F and 8-F) vacuum-assisted thrombectomy catheters. The occluded vessels were 6 renal arteries and 3 superior mesenteric arteries (SMAs); 5 of the 9 thromboses were in bridging stent-grafts associated with branched endografts...
May 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28547985/renal-cell-carcinoma-metastasizing-to-pancreatic-neuroendocrine-neoplasm-the-second-case-described-in-the-world-literature
#17
Katarzyna Bednarek-Rajewska, Przemysław Zalewski, Danuta Bręborowicz, Aldona Woźniak
Tumor-to-tumor metastases are very rare events. We report a case of a 64-year-old man who presented with a tumor of the pancreas. The patient underwent partial pancreatectomy. Frozen section diagnosis of the tumor was an endocrine neoplasm. Paraffin block slide examination revealed a tumor consisting of two components: pancreatic endocrine neoplasm at the periphery of the tumor and the central part composed of clear cells with delicate vessels. The results of immunohistochemical stains revealed renal cell carcinoma surrounded by pancreatic endocrine neoplasm, therefore representing an unusual case of renal cell carcinoma metastasizing to a pancreatic endocrine neoplasm...
2017: Polish Journal of Pathology: Official Journal of the Polish Society of Pathologists
https://www.readbyqxmd.com/read/28547914/the-branching-pattern-of-the-brachiocephalic-trunk-in-the-donkey-equus-asinus
#18
G Akbari, B Asadiahranjani, N Goodarzi, S Shokrollahi
Donkeys are a member of the horse family (Equidae) and share a common ancestor. However, in morphological terms, donkeys and horses are regarded as two separate subgenus. Given variations in the branching pattern of the brachiocephalic trunk (BCT) in different species of animals and the use of donkeys in anatomy courses at colleges of veterinary medicine, we conducted this study in order to investigate the branching patterns of BCT and to describe detailed morphological information regarding donkeys. Seventeen mature donkeys were examined following euthanasia by exsanguination from the common carotid artery under general anaesthesia...
May 26, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28547766/local-release-of-vegf-using-fiber-mats-enables-effective-transplantation-of-layered-cardiomyocyte-sheets
#19
Kenichi Nagase, Yuhei Nagumo, Miri Kim, Hee-Jung Kim, Hei-Won Kyung, Hye-Jin Chung, Hidekazu Sekine, Tatsuya Shimizu, Hideko Kanazawa, Teruo Okano, Seung-Jin Lee, Masayuki Yamato
Cell sheet transplantation is a key tissue engineering technology. A vascular endothelial growth factor (VEGF)-releasing fiber mat is developed for the transplantation of multilayered cardiomyocyte sheets. Poly(vinyl alcohol) fiber mats bearing poly(lactic-co-glycolic acid) nanoparticles that incorporate VEGF are fabricated using electrospinning and electrospray methods. Six-layered cardiomyocyte sheets are transplanted with a VEGF-releasing mat into athymic rats. After two weeks, these sheets produce thicker cardiomyocyte layers compared with controls lacking a VEGF-releasing mat, and incorporate larger-diameter blood vessels containing erythrocytes...
May 26, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28547523/cutaneous-manifestations-of-medium-and-large-vessel-vasculitis
#20
REVIEW
Francois Chasset, Camille Francès
Dermatologic manifestations are observed in almost all systemic vasculitides, even in large-and medium-vessel vasculitides, although such vessels are not found in the skin. Cutaneous manifestations may be related to a direct skin localization of the systemic vasculitis or a non-specific process associated with the vasculitis. According to the 2012 International Chapel Hill consensus, the two major variants of large-vessel vasculitides are Takayasu arteritis and giant-cell arteritis. In Europe and North America, acute inflammatory nodules or erythema nodosum-like lesions are the most commonly observed skin lesions with Takayasu arteritis...
May 26, 2017: Clinical Reviews in Allergy & Immunology
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