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Vascular doppler

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https://www.readbyqxmd.com/read/28532448/the-effects-of-a-treatment-combination-of-anti-vegf-injections-laser-coagulation-and-cryotherapy-on-patients-with-type-3-coat-s-disease
#1
Songfeng Li, Guangda Deng, Jinghua Liu, Yan Ma, Hai Lu
BACKGROUND: To examined the curative effect of vitreous injection with ranibizumab,laser coagulation and cryotherapy in treating stage 3 Coats' disease with exudative retinal detachment. METHODS: Seventeen patients with stage 3 Coats' disease were enrolled in the study. All eyes were treated with vitreous injection of ranibizumab as initial treatment, and subsequent treatment depended on the absorption of subretinal fluid, Including cryotherapy and laser photocoagulation...
May 22, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28530451/effect-of-high-volume-injection-platelet-rich-plasma-and-sham-treatment-in-chronic-midportion-achilles-tendinopathy-a-randomized-double-blinded-prospective-study
#2
Anders Ploug Boesen, Rudi Hansen, Morten Ilum Boesen, Peter Malliaras, Henning Langberg
BACKGROUND: Injection therapies are often considered alongside exercise for chronic midportion Achilles tendinopathy (AT), although evidence of their efficacy is sparse. PURPOSE: To determine whether eccentric training in combination with high-volume injection (HVI) or platelet-rich plasma (PRP) injections improves outcomes in AT. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A total of 60 men (age, 18-59 years) with chronic (>3 months) AT were included and followed for 6 months (n = 57)...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28527185/surface-heparinization-and-blood-compatibility-modification-of-small-intestinal-submucosa-sis-for-small-caliber-vascular-regeneration
#3
Bensong Han, Feng Xue, Cunyi Fan, Xiumei Mo
OBJECTIVES: This study aims to investigate the small intestinal submucosal (SIS) surface after heparinization with the hypothermia plasma technique, to improve the blood compatibility of SIS, and to explore the possibility of construction of small-caliber vascular grafts with modified SIS scaffolds in vivo. METHODS: SIS films prepared from jejunums of pigs were processed for surface treatment at different time periods with the argon plasma initiation technique under vacuum, and were then immediately immersed in 4% (m/v) heparin sodium solution for 24-h heparinization...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28525946/ghrelin-attenuates-vascular-calcification-in-diabetic-patients-with-amputation
#4
Suining Xu, Fei Ye, Lihua Li, Jinchuan Yan, Zhengyang Bao, Zhen Sun, Liangjie Xu, Jie Zhu, Zhongqun Wang
Vascular calcification is established to be a critical factor in diabetes mellitus, which causes cardiovascular and amputation complication of diabetic patients. OPG/RANKL/RANK axis serves as a regulatory role in vascular calcification. Ghrelin, an endogenous ligand of growth hormone secretagogue receptor (GHSR), has been reported to exhibit potent cardiovascular protective effects. However, the role of ghrelin in the regulation of diabetic vascular calcification is still elusive. Here, we reported the role of ghrelin and its relationship with OPG/RANKL/RANK system in patients with diabetic foot amputation...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28523025/association-of-vitamin-d-insufficiency-deficiency-with-thyroid-artery-doppler-ultrasonography-in-patients-with-hashimoto-thyroiditis
#5
Ahmet Nalbant, Ayhan Aydin, Alper Karacan, Attila Onmez, Ali Tamer, Hakan Cinemre
BACKGROUND & OBJECTIVE: During the course of the autoimmune thyroid diseases, ultrasonography change parallel to histopathology. Vitamin D is associated with autoimmune diseases and thus can affect thyroid blood flow. Our aim was to investigate the relationship between vitamin D insufficiency/deficiency and thyroid hemodynamic indices in patients with Hashimoto thyroiditis. METHODS: A total of 93 patients who presented to Sakarya University Endocrinology outpatient clinic from April to September 2016 and diagnosed with Hashimoto thyroiditis were included in this study...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522759/effect-of-cyclooxygenase-inhibition-on-the-inspiratory-muscle-metaboreflex-induced-cardiovascular-consequences-in-men
#6
Joshua R Smith, Kaylin D Didier, Shane M Hammer, Andrew M Alexander, Stephanie P Kurti, Steven W Copp, Thomas J Barstow, Craig A Harms
Inspiratory muscle metaboreflex activation increases mean arterial pressure (MAP) and limb vascular resistance (LVR) and decreases limb blood flow (Q̇L). Cyclooxygenase (COX) inhibition has been found to attenuate limb skeletal muscle metaboreflex-induced increases in muscle sympathetic nerve activity. We hypothesized that compared to placebo (PLA), COX inhibition would attenuate inspiratory muscle metaboreflex-induced 1) increases in MAP and LVR and 2) decreases in Q̇L Seven men (22±1 years) were recruited and orally consumed ibuprofen (IB, 10mg/kg) or PLA 90 min prior to performing the cold pressor test (CPT) for 2 min and inspiratory resistive breathing task (IRBT) for 14...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28521662/statement-for-doppler-waveforms-analysis
#7
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/28516802/the-influence-of-heating-on-toe-pressure-in-patients-with-peripheral-arterial-disease
#8
N Settembre, T Kagayama, P Kauhanen, P Vikatmaa, Y Inoue, M Venermo
BACKGROUND AND AIM: The toe skin temperature in vascular patients can be low, making reliable toe pressure measurements difficult to obtain. The aim of this study was to evaluate the effect of heating on the toe pressure measurements. MATERIALS AND METHODS: A total of 86 legs were examined. Brachial pressure and toe pressure were measured at rest in a supine position using a laser Doppler device that also measured skin temperature. After heating the toes for 5 min with a heating pad, we re-measured the toe pressure...
May 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28516727/non-invasive-longitudinal-monitoring-of-angiogenesis-in-a-murine-full-thickness-cutaneous-wound-healing-model-using-high-resolution-three-dimensional-ultrasound-imaging
#9
K Mukai, W Zhu, Y Nakajima, M Kobayashi, T Nakatani
BACKGROUND/PURPOSE: The aim of this study was to evaluate the longitudinal monitoring of angiogenesis in a murine full-thickness cutaneous wound healing model using high-resolution three-dimensional (3D) ultrasound imaging. METHODS: Two C57BL/6 mice were used. Two-dimensional (2D) ultrasound images with the Color Doppler mode were acquired at regular spatial intervals on day 9, 11, and 14 after wounding. 3D ultrasound images were processed by reconstructing the 2D ultrasound image sequences...
May 17, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28515749/thromboembolic-complications-after-an-ankle-joint-open-fracture-in-a-patient-with-a-history-of-deep-vein-thrombosis-in-the-lower-limbs
#10
Tomasz Stankowski, Sleiman Sebastian Aboul-Hassan, Piotr Stępiński, Anna Szymańska, Jakub Marczak, Romuald Cichoń
A 55-year-old patient was admitted to the Department of Orthopedics due to an open fracture in the right ankle joint. On the seventh day of hospitalization the patient experienced a transient ischemic attack. During the next day, dyspnea, chest pain and a 'rider' type pulmonary embolism in the pulmonary trunk occluding both pulmonary arteries and its branches were diagnosed. The patient was transferred to the Department of Cardiac Surgery. He underwent pulmonary embolectomy for massive pulmonary, right and left atrial embolism, and left ventricular embolism...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28514340/-the-impact-of-surgical-and-conservative-treatment-of-periodontal-disease-on-structural-and-functional-condition-of-major-blood-vessels
#11
A I Grudyanov, O N Tkacheva, A T Khatagov
The study included 55 patients (24 men and 31 women aged 30-70 years) with chronic periodontal disease and atherosclerosis of brachiocephalic arteries (BCA). Patients in group 1 received only conservative treatment for periodontal disease, while in group 2 both conservative and surgical treatment were performed. The values were evaluated at baseline and 6 months after treatment. Capillaroscopy and laser Doppler flowmetry showed an improvement in periodontal regional vascular network. The level of IL-6 decreased by 3...
2017: Stomatologii︠a︡
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
#12
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/28511151/peripheral-arteriovenous-fistula-as-vascular-access-for-long-term-chemotherapy
#13
Oleksiy O Kovalyov, Oleksandr G Kostyuk, Tetyana V Tkachuk
INTRODUCTION: To provide long-term vascular access in clinical oncology peripheral forearm veins (up to 95% of patients in Ukraine), central venous access and "complete implanted vascular systems" are used most often. Many oncology patients have contraindications to catheterization of superior vena cava. Besides, exploitation of central veins is associated with potential technical and infectious complications. The aim - to study short-term and long-term results of arteriovenous fistula exploitation as vascular access for continuous anticancer therapy...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28509324/three-dimensional-neurosonography-a-novel-field-in-fetal-medicine
#14
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/28505975/reduced-cardiovascular-functions-in%C3%A2-patients-with-alzheimer-s-disease
#15
Wang-Sheng Jin, Xian-Le Bu, Ye-Ran Wang, Ling Li, Wei-Wei Li, Yu-Hui Liu, Chi Zhu, Xiu-Qing Yao, Yang Chen, Chang-Yue Gao, Tao Zhang, Chang-Yue Gao, Hua-Dong Zhou, Fan Zeng, Yan-Jiang Wang
Previous studies have suggested that cardiovascular functions might play a critical role in Alzheimer's disease (AD) pathogenesis. However, the relationship among heart function, blood flow of cerebral vessels, and AD remains unclear. In the present study, AD patients (n = 34) and age- and gender-matched cognitively normal controls (n = 34) were recruited. Comorbidity information was collected. The ejection fraction was measured using echocardiography, and the mean velocity, pulsatility index (PI), and resistance index (RI) of the basilar artery (BA), left terminal internal carotid artery (LTICA), and right terminal internal carotid artery (RTICA) were measured using transcranial Doppler...
May 11, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28505525/thrombin-generation-and-intracranial-atherosclerotic-disease-in-patients-with-a-transient-ischaemic-attack
#16
Elisabetta Favaretto, Michelangelo Sartori, Cristina Legnani, Francesca Rondelli, Michela Cini, Maria Guarino, Benilde Cosmi
BACKGROUND: Intracranial atherosclerotic disease (ICAD) is responsible for at least 10% of transient ischaemic attacks (TIA). Thrombin generation has been shown to be associated with several atherosclerotic conditions and may be relevant in the pathogenesis of TIA from ICAD. OBJECTIVE: To evaluate the association between thrombin generation and ICAD in patients with TIA. MATERIALS AND METHODS: Consecutive patients with confirmed diagnosis of TIA by vascular neurologist were enrolled...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28505080/first-insights-into-human-fingertip-regeneration-by-echo-doppler-imaging-and-wound-microenvironment-assessment
#17
Paris Jafari, Camillo Muller, Anthony Grognuz, Lee Ann Applegate, Wassim Raffoul, Pietro G di Summa, Sébastien Durand
Fingertip response to trauma represents a fascinating example of tissue regeneration. Regeneration derives from proliferative mesenchymal cells (blastema) that subsequently differentiate into soft and skeletal tissues. Clinically, conservative treatment of the amputated fingertip under occlusive dressing can shift the response to tissue loss from a wound repair process towards regeneration. When analyzing by Immunoassay the wound exudate from occlusive dressings, the concentrations of brain-derived neurotrophic factor (BDNF) and leukemia inhibitory factor (LIF) were higher in fingertip exudates than in burn wounds (used as controls for wound repair versus regeneration)...
May 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28501727/methods-to-evaluate-arterial-structure-and-function-in-children-state-of-the-art-knowledge
#18
REVIEW
Piotr Skrzypczyk, Małgorzata Pańczyk-Tomaszewska
BACKGROUND: With increasing rates of hypertension, obesity, and diabetes in the pediatric population, wide available, and reproducible methods are necessary to evaluate arterial structure and function in children and adolescents. METHODS: MEDLINE/Pubmed was searched for articles published in years 2012-2017 on methodology of, current knowledge on, and limitations of the most commonly used methods to evaluate central, proximal and coronary arteries, as well as endothelial function in pediatric patients...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501280/evaluation-of-placental-vascularization-by-three-dimensional-ultrasound-examination-in-second-and-third-trimester-of-pregnancies-complicated-by-chronic-hypertension-gestational-hypertension-or-pre-eclampsia
#19
Andrea Surányi, Ábel Altorjay, László Kaiser, Tibor Nyári, Gábor Németh
OBJECTIVES: The purpose of this study was to assess three-dimensional placental power Doppler indices in second and third trimester of pregnancies complicated by chronic-, gestational hypertension or pre-eclampsia. METHODS: We analyzed 226 pregnancies prospectively measuring three-dimensional placental power Doppler indices (vascularization index, flow index, vascularization flow index) in cases of normal blood pressure (N=109), chronic hypertension (N=43), gestational hypertension (N=57) and pre-eclampsia (N=17)...
April 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/28500363/diffusion-weighted-imaging-of-the-kidneys-in-haemolytic-uraemic-syndrome
#20
Jochen Herrmann, Ulrich Wenzel, Stephanie Galler, Bjoern P Schoennagel, Jasmin D Busch, Magdalini Tozakidou, Kay U Petersen, Michaela Joekel, Peter Bannas, Jin Yamamura, Michael Groth, Gerhard Adam, Christian R Habermann
OBJECTIVES: To evaluate the kidneys of patients with haemolytic uraemic syndrome (HUS) using diffusion-weighted imaging (DWI) and Doppler ultrasound (US) compared with healthy controls. MATERIALS AND METHODS: Fifteen patients (mean age 33.3 years; three male; 12 female) with diarrhoea-positive HUS and 15 healthy volunteers were prospectively evaluated with DWI and Doppler US. A total apparent diffusion coefficient (ADCTOT), and ADCs predominantly reflecting microperfusion (ADCLOW) and diffusion (ADCHIGH) were calculated...
May 12, 2017: European Radiology
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