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https://www.readbyqxmd.com/read/28446266/vascular-function-long-term-after-kawasaki-disease-another-piece-of-the-puzzle
#1
Fátima F Pinto, Inês Gomes, Petra Loureiro, Sérgio Laranjo, Ana T Timóteo, Miguel M Carmo
BACKGROUND: Kawasaki disease is an acute systemic vasculitis. Cardiac complications are frequent and include endothelial dysfunction in patients with coronary anomalies. Thus far, endothelial dysfunction in patients with no coronary lesions is poorly understood. Our aim was to access the vascular function in adolescents and young adults long term after Kawasaki disease, but without coronary aneurysms or any other cardiac risk factors. METHODS: We carried out a single-centre prospective study in a Portuguese population...
April 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28436714/a-hemorrhagic-complication-after-onyx-embolization-of-a-tentorial-dural-arteriovenous-fistula-a-caution-about-subdural-extension-with-pial-arterial-supply
#2
Kenichi Sato, Yasushi Matsumoto, Hidenori Endo, Teiji Tominaga
We report a case of tentorial dural arteriovenous fistula (DAVF) with a severe intracranial hemorrhage occurring after Onyx embolization. A 40-year-old man presented with an asymptomatic tentorial DAVF on angiography. Transarterial embolization with Onyx was performed via the middle meningeal artery, and the cast filled the fistula itself and its proximal draining vein. Postoperative angiography confirmed complete occlusion of the DAVF. A computed tomography scan performed immediately after the procedure demonstrated an acute subdural hematoma with the temporal hemorrhage...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28435130/intramyometrial-injection-of-vasopressin-a-novel-method-for-hemostasis-at-laparoscopic-management-of-cornual-ectopic
#3
Ramesh Bettaiah, Shwetha Sudhakar Kamath
STUDY OBJECTIVE: Injection of vasopressin into the uterus , significantly reduces the vascularity of the cornual ectopic, thereby resulting in bloodless surgery. DESIGN: A step by step demonstration of the surgical procedure. Canadian task force classification III SETTING: while all ectopics are associated with risk of hemorrhage, cornual pregnancies are feared for catastrophic hemorrhage and uncontrollable bleeding. The maternal mortality rate can be as high as 2...
April 18, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28346429/deletion-of-endothelial-cell-specific-liver-kinase-b1-increases-angiogenesis-and-tumor-growth-via-vascular-endothelial-growth-factor
#4
W Zhang, Y Ding, C Zhang, Q Lu, Z Liu, K Coughlan, I Okon, M-H Zou
Liver kinase B1 (LKB1) is a serine/threonine protein kinase ubiquitously expressed in mammalian cells. It was first identified in Peutz-Jeghers syndrome as a tumor suppressor gene. Whether endothelial LKB1 regulates angiogenesis and tumor growth is unknown. In this study, we generated endothelial cell-specific LKB1-knockout (LKB1(endo-/-)) mice by crossbreeding vascular endothelial-cadherin-Cre mice with LKB1(flox/flox) mice. Vascular endothelial growth factor (VEGF) level was highly co-stained in endothelial cells but not in macrophages in LKB1(endo-/-) mice...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28315801/use-of-indocyanine-green-fluorescence-endoscopy-to-treat-concurrent-perimedullary-and-dural-arteriovenous-fistulas-in-the-cervical-spine
#5
Akira Ito, Toshiki Endo, Tomoo Inoue, Hidenori Endo, Kenichi Sato, Teiji Tominaga
BACKGROUND: Intraoperative microscopic fluorescence angiography using indocyanine green (ICG) provides visual information on real-time blood flow. However, this method cannot be applied for lesions that are not visible under microscopic imaging because excitation light does not reach the targeted vascular structures. Endoscope-integrated ICG video-angiography has recently been advocated to compensate for this limitation. This is the first reported case of a spinal arteriovenous malformation in which endoscope-integrated ICG video-angiography was successfully used...
March 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28301277/evidence-that-orai1-does-not-contribute-to-store-operated-trpc1-channels-in-vascular-smooth-muscle-cells
#6
Jian Shi, Francesc Miralles, Jean-Pierre Kinet, Lutz Birnbaumer, William A Large, Anthony P Albert
Ca(2+)-permeable store-operated channels (SOCs) mediate Ca(2+) entry pathways which are involved in many cellular functions such as contraction, growth, and proliferation. Prototypical SOCs are formed of Orai1 proteins and are activated by the endo/sarcoplasmic reticulum Ca(2+) sensor stromal interaction molecule 1 (STIM1). There is considerable debate about whether canonical transient receptor potential 1 (TRPC1) proteins also form store-operated channels (SOCs), and if they do, is Orai1 involved. We recently showed that stimulation of TRPC1-based SOCs involves store depletion inducing STIM1-evoked Gαq/PLCβ1 activity in contractile vascular smooth muscle cells (VSMCs)...
March 16, 2017: Channels
https://www.readbyqxmd.com/read/28249121/roselle-supplementation-prevents-nicotine-induced-vascular-endothelial-dysfunction-and-remodelling-in-rats
#7
Lislivia Yiang Nee Si, Yusof Kamisah, Anand Ramalingam, Yi Cheng Lim, Siti Balkis Budin, Satirah Zainalabidin
Vascular endothelial dysfunction (VED) plays an important role in initiation of cardiovascular diseases. Roselle which enriched with antioxidants demonstrates high potential in alleviating hypertension. This study was undertaken to investigate effects of roselle supplementation on VED and remodelling in a rodent model with prolonged nicotine administration. Male Sprague-Dawley rats (n=6 per group) were administered with 0.6 mg/kg nicotine for 28 days to induce VED. The rats were given either roselle (100 mg/kg) or normal saline 30 minutes prior to nicotine injection daily...
March 1, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28247824/long-term-follow-up-of-endo-vascular-recanalization-of-chronic-inferior-vena-cava-occlusion-secondary-to-inferior-vena-cava-filters
#8
Sasan Partovi, Sanjeeva P Kalva, T Gregory Walker, Sabir M Taj, Suvranu Ganguli
BACKGROUND: The long term efficacy of endovascular recanalization for chronic iliocaval occlusion secondary to inferior vena cava (IVC) filters is unknown. The purpose of this study was to evaluate the effectiveness of endovascular recanalization and stent placement across the filter in patients with filter-associated chronic iliocaval occlusion. PATIENTS AND METHODS: Seven patients (mean age 56 ± 15 yrs; seven males) with symptomatic chronic iliocaval occlusion and occluded IVC filter were included...
March 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28223224/transient-receptor-potential-canonical-type-3-channels-interactions-role-and-relevance-a-vascular-focus
#9
REVIEW
T H Grayson, Timothy V Murphy, Shaun L Sandow
Transient receptor potential canonical type 3 channels (TRPC3) are expressed in neural, cardiac, respiratory and vascular tissues, with both similarities and differences between human and animal models for the same cell types. In common with all members of the six subfamilies of TRP channels, TRPC3 are non-voltage gated, non-selective cation channels that are mainly permeated by Ca(2+), and have distinct molecular, biophysical, anatomical and functional properties. TRP channels are present in excitable and non-excitable cells where they sense and respond to a wide variety of physical and chemical stimuli...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28207964/impaired-nephrogenesis-in-neonatal-rats-with-oxygen-induced-retinopathy
#10
Mayu Nakagawa, Naoto Nishizaki, Amane Endo, Tomonosuke Someya, Yuta Saito, Akira Mizutani, Taichi Hara, Yayoi Murano, Koji Sakuraya, Satoshi Hara, Daisuke Umino, Daishi Hirano, Shuichiro Fujinaga, Yoshiyuki Ohtomo, Toshiaki Shimizu
BACKGROUND: Preterm neonates are born while nephrogenesis is ongoing, and are commonly exposed to factors in a hyperoxic environment that can impair renal development. Oxidative stress has also been implicated in the development of retinopathy of prematurity (ROP). The rat model of oxygen-induced retinopathy (OIR) is the most clinically relevant model of ROP because its biologic features closely resemble those of ROP in preterm infants. We investigated impaired renal development in a rat model of OIR...
February 16, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28202829/-treatment-strategy-and-results-of-carotid-endarterectomy-in-chronic-renal-failure-patients
#11
Takeo Murahashi, Kenji Kamiyama, Toshiaki Osato, Toshiichi Watanabe, Tatsuya Ogino, Hironori Sugio, Hideki Endo, Kazuki Takahira, Koichiro Shindo, Shuhei Takahashi, Hirohiko Nakamura
INTRODUCTION: The number of patients receiving chronic dialysis treatment in Japan currently exceeds 300,000 people. Few reports have described carotid endarterectomy(CEA)for chronic renal failure patients because of the unacceptable rate of perioperative stroke and other morbidities. A strategy for and treatment results of CEA for chronic renal failure patients in our hospital are described herein. METHODS: The present study included 6 patients who underwent CEA while receiving dialysis treatment between April 2011 and November 2014...
February 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28186352/analysis-of-clinical-symptoms-and-abcc6-mutations-in-76-japanese-patients-with-pseudoxanthoma-elasticum
#12
Akira Iwanaga, Yumi Okubo, Mariko Yozaki, Yuta Koike, Yutaka Kuwatsuka, Saori Tomimura, Yosuke Yamamoto, Hiroshi Tamura, Satoshi Ikeda, Koji Maemura, Eiko Tsuiki, Takashi Kitaoka, Yuichiro Endo, Hiroyuki Mishima, Koh-Ichiro Yoshiura, Tomoo Ogi, Hideaki Tanizaki, Mari Wataya-Kaneda, Tomoyasu Hattori, Atsushi Utani
Pseudoxanthoma elasticum (PXE) is a hereditary disease, causing calcification and degeneration of elastic fibers, which affects the skin, eye, cardiovascular systems and gastrointestinal tract. PXE is caused by mutations in the ABCC6 gene. Neither detailed nor large-scale analyses have been accomplished in Japanese patients with PXE. We, therefore, investigated clinical symptoms and ABCC6 gene mutations in 76 Japanese patients. Japanese PXE patients (n = 76) had a significantly lower incidence of vascular lesions than 505 PXE patients in the Leiden Open Variation Database (LOVD) (38...
February 10, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28169313/visualization-of-tumor-related-blood-vessels-in-human-breast-by-photoacoustic-imaging-system-with-a-hemispherical-detector-array
#13
M Toi, Y Asao, Y Matsumoto, H Sekiguchi, A Yoshikawa, M Takada, M Kataoka, T Endo, N Kawaguchi-Sakita, M Kawashima, E Fakhrejahani, S Kanao, I Yamaga, Y Nakayama, M Tokiwa, M Torii, T Yagi, T Sakurai, K Togashi, T Shiina
Noninvasive measurement of the distribution and oxygenation state of hemoglobin (Hb) inside the tissue is strongly required to analyze the tumor-associated vasculatures. We developed a photoacoustic imaging (PAI) system with a hemispherical-shaped detector array (HDA). Here, we show that PAI system with HDA revealed finer vasculature, more detailed blood-vessel branching structures, and more detailed morphological vessel characteristics compared with MRI by the use of breast shape deformation of MRI to PAI and their fused image...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28163923/long-term-efficacy-of-an-extracorporeal-membrane-oxygenation-simulation-with-a-novel-low-cost-vascular-model-endo-circuit
#14
Tomoyuki Endo, Yutaka Kagaya, Yutaro Arata, Hiroyuki Imai
AIMS: This study investigated the long-term efficacy of a half-day extracorporeal membrane oxygenation simulation and low-cost vascular model for practitioner knowledge, skills, and attitudes in clinical settings and also assessed the usefulness of the vascular model. METHODS: We included participants who attended a half-day extracorporeal membrane oxygenation simulation focused on the veno-arterial method between April 2013 and January 2016 at Tohoku University Simulation Center (Sendai, Japan)...
January 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/28110456/facial-skin-blood-flow-responses-during-exposures-to-emotionally-charged-movies
#15
Kanji Matsukawa, Kana Endo, Kei Ishii, Momoka Ito, Nan Liang
The changes in regional facial skin blood flow and vascular conductance have been assessed for the first time with noninvasive two-dimensional laser speckle flowmetry during audiovisually elicited emotional challenges for 2 min (comedy, landscape, and horror movie) in 12 subjects. Limb skin blood flow and vascular conductance and systemic cardiovascular variables were simultaneously measured. The extents of pleasantness and consciousness for each emotional stimulus were estimated by the subjective rating from -5 (the most unpleasant; the most unconscious) to +5 (the most pleasant; the most conscious)...
January 21, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28096437/phase-angle-predicts-arterial-stiffness-and-vascular-calcification-in-peritoneal-dialysis-patients
#16
Margarida Sarmento-Dias, Carla Santos-Araújo, Rui Poínhos, Bruno Oliveira, Maria Sousa, Liliana S Silva, Isabel S Silva, Flora Correia, Manuel Pestana
♦ Objectives: Fluid overload (FO) is frequently present in peritoneal dialysis (PD) patients and is associated with markers of malnutrition, inflammation, and atherosclerosis/calcification (MIAC) syndrome. We examined the relationships in stable PD patients between phase angle (PhA) and the spectrum of uremic vasculopathy including vascular calcification and arterial stiffness and between PhA and changes in serum fetuin-A levels. ♦ Methods: Sixty-one stable adult PD patients were evaluated in a cross-sectional study (ST1)...
January 17, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28056981/arterial-stiffness-endothelial-and-cognitive-function-in-subjects-with-type-2-diabetes-in-accordance-with-absence-or-presence-of-diabetic-foot-syndrome
#17
Antonino Tuttolomondo, Alessandra Casuccio, Giovanni Guercio, Carlo Maida, Alessandro Del Cuore, Domenico Di Raimondo, Irene Simonetta, Danilo Di Bona, Rosaria Pecoraro, Vittoriano Della Corte, Eliana Gulotta, Gaspare Gulotta, Antonio Pinto
BACKGROUND: Endothelial dysfunction is an early marker of cardiovascular disease so endothelial and arterial stiffness indexes are good indicators of vascular health. We aimed to assess whether the presence of diabetic foot is associated with arterial stiffness and endothelial function impairment. METHODS: We studied 50 subjects with type 2 diabetes mellitus and diabetic foot syndrome (DFS) compared to 50 diabetic subjects without diabetic foot, and 53 patients without diabetes mellitus, by means of the mini mental state examination (MMSE) administered to evaluate cognitive performance...
January 6, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28054454/epoetin-beta-pegol-ameliorates-flow-mediated-dilation-with-improving-endothelial-nitric-oxide-synthase-coupling-state-in-nonobese-diabetic-rats
#18
Kenichi Serizawa, Kenji Yogo, Yoshihito Tashiro, Ryohei Kawasaki, Koichi Endo, Yasushi Shimonaka, Michinori Hirata
BACKGROUND/AIMS: Patients with diabetic nephropathy have a high cardiovascular mortality. Epoetin beta pegol (continuous erythropoietin receptor activator, C.E.R.A.) is a drug for the treatment of renal anemia. In this study, we investigated the effect of C.E.R.A. on vascular endothelial function as evaluated by flow-mediated dilation (FMD) and the relationship between hematopoiesis and FMD in diabetic nephropathy rats. METHODS: Male Spontaneously Diabetic Torii rats (SDT, 22 weeks old) were used...
April 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28042842/novel-2-3-dihydro-1h-pyrrolo-3-2-1-ij-quinazolin-1-ones-synthesis-and-biological-evaluation
#19
Malose J Mphahlele, Tebogo A Khoza, Peaceful Mabeta
Herein we describe the synthesis and evaluation of a series of novel 2,3-dihydro-1H-pyrrolo[3,2,1-ij]quinazolin-1-ones for in vitro cytotoxicity against three human cancer cell lines as well as for potential antimalarial activity against the chloroquine-sensitive strain 3D7 of Plasmodium falciparum. The title compounds were prepared via PdCl₂-mediated endo-dig cyclization of 2-aryl-8-(arylethynyl)-6-bromo-2,3-dihydroquinazolin-4(1H)-ones. The latter were prepared, in turn, via initial Sonogashira cross-coupling of 2-amino-5-bromo-3-iodobenzamide with aryl acetylenes followed by boric acid-mediated cyclocondensation of the intermediate 2-amino-3-(arylethynyl)-5-bromobenzamides with benzaldehyde derivatives...
December 30, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27995008/desflurane-inhalation-before-ischemia-increases-ischemia-reperfusion-induced-vascular-leakage-in-isolated-rabbit-lungs
#20
Yoshiaki Oshima, Seiji Sakamoto, Kazumasa Yamasaki, Shinsuke Mochida, Kazumi Funaki, Naoki Moriyama, Akihiro Otsuki, Ryo Endo, Masato Nakasone, Shunsaku Takahashi, Tomomi Harada, Yukari Minami, Yoshimi Inagaki
BACKGROUND: Isoflurane and sevoflurane protect lungs with ischemia-reperfusion (IR) injury. We examined the influence of desflurane on IR lung injury using isolated rabbit lungs perfused with a physiological salt solution. METHODS: The isolated lungs were divided into three groups: IR, desflurane-treated ischemia-reperfusion (DES-IR), and ventilation/perfusion-continued control (Cont) groups (n = 6 per group). In the DES-IR group, inhalation of desflurane at 1 minimum alveolar concentration (MAC) was conducted in a stable 30-min phase...
2016: SpringerPlus
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