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https://www.readbyqxmd.com/read/28526905/effectiveness-of-acellular-dermal-matrix-on-autologous-split-thickness-skin-graft-in-treatment-of-deep-tissue-defect-esthetic-subjective-and-objective-evaluation
#1
Yoo Jung Lee, Myong Chul Park, Dong Ha Park, Hyung Min Hahn, Sue Min Kim, Il Jae Lee
BACKGROUND: A split-thickness skin graft (STSG) is performed to cover a large full-thickness skin defect. Esthetic and functional deficits can result, and many studies have sought to overcome them. This study compared the effectiveness of the acellular dermal matrix (ADM) graft and STSG concerning esthetic and functional effectiveness of ADM on scar quality. METHODS: Of the patients who underwent anterolateral thigh free flap from 2011 to 2015, patients who received skin graft only (n = 10) or skin graft with ADM (n = 20) for coverage of the donor site were enrolled...
May 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28523588/advances-in-the-development-of-janus-kinase-inhibitors-in-inflammatory-bowel-disease-future-prospects
#2
Mathurin Flamant, Josselin Rigaill, Stephane Paul, Xavier Roblin
Inflammatory bowel disease (IBD) is caused by a dysregulation of the immune system, inducing the production of proinflammatory cytokines and adhesion molecules. A better understanding of the mucosal immune response in IBD has led to the development of new drugs directed at inflammatory cytokines and leukocyte-trafficking molecules. Beyond tumor necrosis factor antagonists and anti-integrin molecules, which act by blocking the interaction between gut-specific lymphocytes and their receptor on vascular endothelium, the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway represents a new target in IBD...
May 18, 2017: Drugs
https://www.readbyqxmd.com/read/28522145/wnt-signaling-a-novel-pathway-regulating-blood-pressure-state-of-the-art-review
#3
REVIEW
Maen D Abou Ziki, Arya Mani
Recent antihypertensive trials show conflicting results on blood pressure (BP) targets in patient populations with different metabolic profiles, with lowest benefit from tight BP control observed in patients with type 2 diabetes mellitus. This paradox could arise from the heterogeneity of study populations and underscores the importance of precision medicine initiatives towards understanding and treating hypertension. Wnt signaling pathways and genetic variations in its signaling peptides have been recently associated with metabolic syndrome, hypertension and diabetes, generating a breakthrough for advancement of precision medicine in the field of hypertension...
May 4, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28521662/statement-for-doppler-waveforms-analysis
#4
Guillaume Mahé, Carine Boulon, Ileana Desormais, Philippe Lacroix, Luc Bressollette, Jean-Louis Guilmot, Claire Le Hello, Marie-Antoinette Sevestre, Gilles Pernod, Joel Constans, Christian Boissier, Alessandra Bura-Rivière
Peripheral artery disease of the lower limbs (PAD) is a common disease. Evaluation of PAD is primarily based on non-invasive examinations with analysis of the arterial Doppler signal being a key element. However, the description of arterial Doppler waveforms morphologies varies considerably across medical schools and from country to country. In order to overcome this issue, the French College of Teachers for Vascular Medicine (Collège des Enseignants de Médecine Vasculaire; CEMV) has summarised the published data on Doppler waveforms analysis and proposes a new "Saint-Bonnet" classification system to describe Doppler waveforms morphologies...
May 19, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28521395/marsdenia-tenacissima-extract-suppresses-tumor-growth-and-angiogenesis-in-a20-mouse-lymphoma
#5
Xingbin Dai, Yanhua Ji, Pengjun Jiang, Xuemei Sun
Marsdenia tenacissima (MT), a traditional Chinese medicine, has been utilized in the treatment of a variety of malignant conditions for decades, but the underlying mechanism remains unclear. Angiogenesis, new blood vessel formation by nearby endothelial cells (ECs) from pre-existing vessels, plays a key role in cancer growth. In the present study, the effects of MT extract (MTE) on EC proliferation and apoptosis in vitro, and on A20 mouse lymphoma growth and angiogenesis in vivo were investigated. MTE exhibited an anti-proliferative effect on the ECs, with a half maximal inhibitory concentration of 11...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516250/-choosing-wisely-recommendations-in-angiology
#6
O J Müller, R Sternitzky
BACKGROUND: The Choosing wisely initiative addresses measures of high medical impact which are frequently not appropriately performed according to expert opinion. OBJECTIVE: To increase the quality of indications by providing supportive information on diagnostic and therapeutic measures in the field of angiology. MATERIALS AND METHODS: As part of the Choosing wisely initiative, the German Society of Angiology has constructed five positive recommendations on underused measures and five negative recommendations concerning those possibly overused...
May 17, 2017: Der Internist
https://www.readbyqxmd.com/read/28515707/validation-of-repeated-endothelial-function-measurements-using-endopat-in-stroke
#7
Aina S Hansen, Jawad H Butt, Sonja Holm-Yildiz, William Karlsson, Christina Kruuse
BACKGROUND: Decreased endothelial function (EF) may be a prognostic marker for stroke. Measuring pharmacological effects on EF may be of interest in the development of personalized medicine for stroke prevention. In this study, we assessed the reliability of repeated EF measurements using a pulse amplitude tonometry technology in acute stroke patients. Similarly, reliability was tested in healthy subjects devoid of vascular disease to estimate reactivity and reliability in a younger non-stroke population...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28511475/colour-doppler-evaluation-of-extracranial-carotid-artery-in-patients-presenting-with-acute-ischemic-stroke-and-correlation-with-various-risk-factors
#8
Samrin Haq, Manoj Mathur, Jasvir Singh, Navkiran Kaur, Raminderpal Singh Sibia, Rajesh Badhan
INTRODUCTION: Stroke is defined as an abrupt onset of neurologic deficit due to vascular cause. It is one of the leading causes of mortality and morbidity all over the world making early diagnosis and treatment inevitable. Lesions of extra cranial carotid arteries are implicated in majority of cases of acute ischemic stroke. Carotid Doppler is a non-invasive imaging technique, with sensitivity approaching that of angiography. Computed Tomography (CT) plays a major role to assess the site and nature of the lesion in patients with acute ischemic stroke...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509324/three-dimensional-neurosonography-a-novel-field-in-fetal-medicine
#9
Michał Lipa, Ritsuko Kimata Pooh, Mirosław Wielgoś
Neurosonography is a promising technique for prenatal diagnosis, combining features of ultrasound imaging with fetal neurology. The brain is a three-dimensional structure, therefore observing brain structure in the three basic planes (sagittal, coronal and axial) is mandatory. The anterior fontanelle and sagittal suture may serve as acoustic ultrasound windows in the transvaginal brain scan, allowing to obtain high-resolution neuroimages of the intracranial structures. Furthermore, three-dimensional (3D) ultrasound combined with the transvaginal brain approach provides detailed and sophisticated neuroimages...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28508565/menaquinone-4-enhances-osteogenic-potential-of-human-amniotic-fluid-mesenchymal-stem-cells-cultured-in-a-2d-and-3d-dynamic-culture-system
#10
Domitilla Mandatori, Letizia Penolazzi, Caterina Pipino, Pamela Di Tomo, Sara Di Silvestre, Natalia Di Pietro, Sara Trevisani, Marco Angelozzi, Mariangela Ucci, Roberta Piva, Assunta Pandolfi
Menaquinones, also known as Vitamin K2 family, regulate calcium homeostasis in a "bone-vascular cross talk" and recently received particular attention for their positive effect on bone formation. Since the correlation between menaquinones and bone metabolism to date is still unclear, the objective of our study was to investigate the possible role of menaquinone-4 (MK-4), an isoform of the menaquinones family, in the modulation of osteogenesis. For this reason we used a model of human Amniotic Fluid Mesenchymal Stem Cells (hAFMSCs) cultured both in two-dimensional (2D) and three-dimensional (3D, RCCS™bioreactor) in vitro culture systems...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28502908/chronic-administration-of-antioxidant-resin-from-virola-oleifera-attenuates-atherogenesis-in-ldlr-mice
#11
Paola Nogueira Coutinho, Beatriz Peters Pereira, Ana Claudia Hertel Pereira, Marcella Leite Porto, Arícia Leone Evangelista Monteiro de Assis, Afrânio Côgo Destefani, Silvana Santos Meyrelles, Elisardo Corral Vasquez, Breno Valentim Nogueira, Tadeu Uggere de Andrade, Denise Coutinho Endringer, Marcio Fronza, Thiago Melo Costa Pereira
ETHNOPHARMACOLOGICAL RELEVANCE: Virola oleifera (Schott) A. C. Smith, Myristicaceae has been largely used in traditional folk medicine in Brazil as an anti-inflammatory agent and our previous data indicated the antioxidant properties in other oxidative stress-related models. However, its effects on atherosclerosis (AT) are not yet investigated. AIMS OF THE STUDY: To evaluate the influence of resin from Virola oleifera (RV) on progression of AT in LDLr(-/-) mice...
May 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28502669/biomimetic-tendon-extracellular-matrix-composite-gradient-scaffold-enhances-ligament-to-bone-junction-reconstruction
#12
Huanhuan Liu, Long Yang, Erchen Zhang, Rui Zhang, Dandan Cai, Shouan Zhu, Jisheng Ran, Varitsara Bunpetch, Youzhi Cai, Boon Chin Heng, Yejun Hu, Xuesong Dai, Xiao Chen, Hongwei Ouyang
Management of ligament/tendon-to-bone-junction healing remains a formidable challenge in the field of orthopedic medicine to date, due to deficient vascularity and multi-tissue transitional structure of the junction. Numerous strategies have been employed to improve ligament-bone junction healing, including delivery of stem cells, bioactive factors, and synthetic materials, but these methods are often inadequate at recapitulating the complex structure-function relationships at native tissue interfaces. Here, we developed an easily-fabricated and effective biomimetic composite to promote the regeneration of ligament-bone junction by physically modifying the tendon extracellular matrix (ECM) into a Random-Aligned-Random composite using ultrasound treatment...
May 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28501304/speculations-on-salt-and-the-genesis-of-arterial-hypertension
#13
REVIEW
Jens Titze, Friedrich C Luft
Blood pressure salt sensitivity and salt resistance are mechanistically imperfectly explained. A prescient systems medicine approach by Guyton and colleagues-more than 50 years ago-suggested how salt intake might influence blood pressure. They proposed that a high-salt diet engenders sodium accumulation, volume expansion, cardiac output adjustments, and then autoregulation for flow maintenance. The autoregulation in all vascular beds increases systemic vascular resistance, causing the kidneys to excrete more salt and water, thus reducing systems to normal and minimizing any changes in blood pressure...
June 2017: Kidney International
https://www.readbyqxmd.com/read/28500447/-certification-guidelines-and-qualification-courses
#14
REVIEW
R Loose, M Wucherer
German regulations require a license for using ionizing radiation in medicine. This license-called "Fachkunde"-varies for different medical procedures such as CT, fluoroscopy, radiography, or mammography. The required frequencies and training times also vary for different medical disciplines such as radiology, cardiology, vascular surgery, traumatology, nuclear medicine, and radiotherapy, among others. The quality criteria for a specific license require a minimum training time under supervision and a minimum frequency of a wide range of procedures...
May 12, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28499392/experimental-tumor-growth-of-canine-osteosarcoma-cell-line-on-chick-embryo-chorioallantoic-membrane-in-vivo-studies
#15
Magdalena Walewska, Izabella Dolka, Anna Małek, Anna Wojtalewicz, Agata Wojtkowska, Artur Żbikowski, Roman Lechowski, Katarzyna Zabielska-Koczywąs
The chick embryo chorioallantoic membrane (CAM) model is extensively used in human medicine in preclinical oncological studies. The CAM model has several advantages: low cost, simple experimental approach, time saving and following "3R principles". Research has shown that the human osteosarcoma cell lines U2OS, MMNG-HOS, and SAOS can form tumors on the CAM. In veterinary medicine, this has been described only for feline fibrosarcomas, feline mammary carcinomas and canine osteosarcomas. However, in case of canine osteosarcomas, it has been shown that only non-adherent osteosarcoma stem cells isolated from KTOSA5 and CSKOS cell lines have the ability to form microtumors on the CAM after an incubation period of 5 days, in contrast to adherent KTOSA5 and CSKOS cells...
May 12, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28498891/adipose-tissue-depots-and-inflammation-effects-on-plasticity-and-resident-mesenchymal-stem-cell-function
#16
Lina Badimon, Judit Cubedo
Adipose tissue (AT) is a highly heterogeneous organ. Beside the heterogeneity associated to different tissue types (white, brown and "brite") and its location-related heterogeneity (subcutaneous, visceral, epicardial, and perivascular, etc), AT composition, structure and functionality is highly dependent on individual-associated factors. As such, the pro-inflammatory state associated to the presence of obesity and other cardiovascular risk factors directly affects AT metabolism. Furthermore, the adipose-derived stem cells (ASCs) that reside in the stromal vascular fraction (SVF) of AT, besides being responsible for most of the plasticity attributed to AT, is an additional source of heterogeneity...
May 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28495996/extracellular-vesicles-in-angiogenesis
#17
REVIEW
Dilyana Todorova, Stéphanie Simoncini, Romaric Lacroix, Florence Sabatier, Françoise Dignat-George
During the past decade, extracellular vesicles (EVs), which include apoptotic bodies, microvesicles, and exosomes, have emerged as important players in cell-to-cell communication in normal physiology and pathological conditions. EVs encapsulate and convey various bioactive molecules that are further transmitted to neighboring or more distant cells, where they induce various signaling cascades. The message delivered to the target cells is dependent on EV composition, which, in turn, is determined by the cell of origin and the surrounding microenvironment during EV biogenesis...
May 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/28495538/clinical-outcome-of-carotid-artery-stenting-according-to-provider-specialty-and-volume
#18
Ali F AbuRahma, John E Campbell, Nizar Hariri, Joseph AbuRahma, L Scott Dean, Mark C Bates, Aravinda Nanjundappa, Patrick A Stone, Ace O'vil
BACKGROUND: Several studies have demonstrated better outcomes for carotid endarterectomy (CEA) with high-volume hospitals and providers. However, only a few studies have reported on the impact of operator specialty/volume on the perioperative outcome of carotid artery stenting (CAS). This study will analyze the correlation of CAS outcomes and provider specialty and volume. METHODS: Prospectively collected data of CAS procedures done at our institution during a 10-year period were analyzed...
May 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28494849/identification-and-classification-of-traditional-chinese-medicine-syndrome-types-among-senior-patients-with-vascular-mild-cognitive-impairment-using-latent-tree-analysis
#19
Chen Fu, Nevin Lianwen Zhang, Bao-Xin Chen, Zhou Rong Chen, Xiang Lan Jin, Rong-Juan Guo, Zhi-Gang Chen, Yun-Ling Zhang
OBJECTIVE: To treat patients with vascular mild cognitive impairment (VMCI) using traditional Chinese medicine (TCM), it is necessary to classify the patients into TCM syndrome types and to apply different treatments to different types. In this paper, we investigate how to properly carry out the classification for patients with VMCI aged 50 or above using a novel data-driven method known as latent tree analysis (LTA). METHOD: A cross-sectional survey on VMCI was carried out in several regions in Northern China between February 2008 and February 2012 which resulted in a data set that involves 803 patients and 93 symptoms...
May 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28490974/the-introduction-of-biosimilars-of-low-molecular-weight-heparins-in-europe-a-critical-review-and-reappraisal-endorsed-by-the-italian-society-for-haemostasis-and-thrombosis-siset-and-the-italian-society-for-angiology-and-vascular-medicine-siapav
#20
REVIEW
Davide Imberti, Marco Marietta, Hernan Polo Friz, Claudio Cimminiello
Recently, the European Medicines Agency (EMA) authorized the introduction and marketing of Thorinane® and Inhixa®, biosimilars of the Low Molecular Weight Heparin (LMWH) enoxaparin. The authorization path is considerably different from the guidelines published by the EMA in 2009, as well as from the recommendations from the International Society on Thrombosis and Haemostasis published in 2013. Indeed, both of them recommended that LMWHs biosimilars therapeutic equivalence should be demonstrated in at least one adequately designed clinical trial...
2017: Thrombosis Journal
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