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Nitroglycerin

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https://www.readbyqxmd.com/read/28427595/vasomotor-response-to-nitroglycerine-over-5-years-follow-up-after-everolimus-eluting-bioresorbable-scaffold-implantation
#1
Dariusz Dudek, Łukasz Rzeszutko, Yoshinobu Onuma, Yohei Sotomi, Rafał Depukat, Susan Veldhof, Divine Ediebah, Peter Staehr, Wojciech Zasada, Krzysztof P Malinowski, Grzegorz L Kaluza, Patrick W Serruys
OBJECTIVES: This study investigated the vasomotor response to nitroglycerine (NTG) up to 5 years after ABSORB implantation. BACKGROUND: There are no data regarding long-term vasomotor response after everolimus-eluting bioresorbable vascular scaffold ABSORB implantation. METHODS: We performed quantitative coronary angiography of the scaffolded and proximal and distal adjacent segments of patients from ABSORB Cohort B study before and after 200 μg of intracoronary NTG at 2, 3, and 5 years of follow-up...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28425266/nitroglycerin-challenge-induces-lateralized-headache-in-nasociliarynerve-ligated-rats-implications-for-chronic-migraine
#2
Didem Akçali, Ahmet Deniz Belen, Avni Babacan, Hayrunnisa Bolay
BACKGROUND/AIM: Chronic migraine is a common debilitating disease with limited treatment options. We aimed to develop a novel model for chronic migraine by ligating the nasociliary nerve (NCL) and administering nitroglycerin (NTG) to exacerbate acute headache attacks. MATERIALS AND METHODS: Exacerbation of the headache was induced by NTG (10 mg/kg, subcutaneously) administered to male Wistar rats (n = 36) 14 days following unilateral NCL. Cutaneous and cold allodynia was tested using Von Frey (VF) filaments and acetone, respectively...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28421814/elevated-monocyte-to-high-density-lipoprotein-cholesterol-ratio-and-endothelial-dysfunction-in-beh%C3%A3-et-disease
#3
Nusret Acikgoz, Ertuğrul Kurtoğlu, Julide Yagmur, Yelda Kapicioglu, Mehmet Cansel, Necip Ermis
Behçet disease (BD) is a multisystemic disorder characterized by endothelial dysfunction and inflammation. Monocyte to high-density lipoprotein cholesterol ratio (MHR) is a recently emerged indicator of inflammation and oxidative stress. Sixty patients with BD and 50 control individuals were included to investigate the relationship between MHR and endothelial dysfunction. Endothelial function was assessed by flow- and nitroglycerin-mediated dilatation technique (FMD and NMD, respectively). Serum high-sensitivity C-reactive protein (hsCRP) levels were measured in all study participants...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28420590/volume-and-dimensions-of-angiographically-normal-coronary-arteries-assessed-by-multidetector-computed-tomography
#4
Samuel Kiil Sørensen, Jørgen Tobias Kühl, Andreas Fuchs, Jakob Boesgaard Norsk, Lars Valeur Køber, Børge Grønne Nordestgaard, Klaus Fuglsang Kofoed
BACKGROUND: The objective of this study was to determine normal values for coronary artery volume (CAV) and individual vasculature and segment dimensions. METHODS: We examined 200 healthy volunteers with an Agatston score of 0 and a normal, high quality coronary CTA. Using 320 slice multidetector row CT and designated vessel tracing software with border detection algorithm, the main coronary arteries and branches were delineated and total and segmental dimensions calculated...
April 4, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28416559/a-novel-non-antibiotic-nitroglycerin-based-catheter-lock-solution-for-the-prevention-of-intraluminal-central-venous-catheter-infections-in-cancer-patients
#5
Anne-Marie Chaftari, Ray Hachem, Ariel Szvalb, Mahnaz Taremi, Bruno Granwehr, George Michael Viola, Amin Sapna, Andrew Assaf, Numan Yazan, Pankil Shah, Ketevan Gasitashvili, Elizabeth Natividad, Ying Jiang, Rebecca Slack, Ruth Reitzel, Joel Rosenblatt, Elie Mouhayar, Issam Raad
Background: For long-term central lines (CL), the lumen is the major source of central line associated bloodstream infections (CLABSI). Current standard of care for maintaining catheter patency includes flushing the CL with saline or heparin. Neither agent has any antimicrobial activity. Furthermore heparin may enhance staphylococcal biofilm formation. We evaluated the safety and efficacy of a novel non-antibiotic catheter lock solution for the prevention of CLABSI.Patients and Methods: Between November 2015, and February 2016, we enrolled 60 patients with hematologic malignancies who had peripherally inserted central catheter (PICC) to receive the study lock solution...
April 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28410787/efficacy-of-nitroglycerine-ointment-in-the-treatment-of-pediatric-anal-fissure
#6
Ali E Joda, Ali F Al-Mayoof
BACKGROUND: Anal fissure is the most common anal disease in children. In the past few decades, the understanding of its pathophysiology has led to a progressive reduction in invasive procedures in favor of conservative treatment based on stool softeners and the relaxation of the anal sphincter. This randomized controlled study assessed the safety and efficacy of nitroglycerine (NTG) ointment in the treatment of pediatric anal fissure, which had not yet been proved. PATIENTS AND METHODS: An unequal randomized controlled study included 105 pediatric patients with anal fissure who had presented to the private and outpatient clinics of the Central Teaching Hospital of Pediatrics during the period from February 2015 to May 2016...
April 8, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28409546/clinical-correlation-with-failure-of-endovenous-therapy-for-leg-swelling
#7
Ahmad Alsheekh, Anil Hingorani, Natalie Marks, Yuriy Ostrozhynskyy, Enrico Ascher
Background The development and use of minimally invasive procedures provide improved options for the management of symptoms of chronic venous insufficiency. While many patients with iliac venous occlusive disease and superficial venous insufficiency improve with combined iliac venous stenting and correction of superficial venous reflux, some patients have symptoms which persist. The goal of this study was to identify clinical factors related to persistent symptoms in patients with leg swelling after treatment of both iliac vein stenting and thermal ablation...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28409033/aborted-sudden-cardiac-death-in-a-female-patient-presenting-with-takotsubo-like-cardiomyopathy-due-to-epicardial-coronary-vasospasm
#8
Sorin Giusca, Tom Eisele, Peter Nunninger, Benedikt Münz, Grigorios Korosoglou
Takotsubo cardiomyopathy is characterized by apical ballooning of the left ventricle (LV) in the absence of relevant coronary artery stenosis, which typically occurs in elderly women after emotional stress. Catecholamine cardiotoxicity, metabolic disturbance, and coronary microvascular impairment have previously been proposed as underlying pathophysiologic mechanisms of takotsubo cardiomyopathy, whereas myocardial stunning resulting from epicardial coronary artery vasospasm is not generally accepted as a cause of takotsubo cardiomyopathy...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28408434/renal-and-vascular-effects-of-uric-acid-lowering-in-normouricemic-patients-with-uncomplicated-type-1-diabetes
#9
Yuliya Lytvyn, Ronnie Har, Amy Locke, Vesta Lai, Derek Fong, Andrew Advani, Bruce A Perkins, David Z I Cherney
Higher plasma uric acid (PUA) levels are associated with lower GFR and higher blood pressure (BP) in patients with type 1 diabetes (T1D). Our aim was to determine the impact of PUA lowering on renal and vascular function in patients with uncomplicated T1D.T1D patients (n=49) were studied under eu- and hyperglycemic conditions at baseline and after PUA lowering with febuxostat (FBX) for 8 weeks. Healthy controls (HC) were studied under normoglycemic conditions (n=24). PUA, GFR (inulin), effective renal plasma flow (ERPF, paraaminohippurate), BP and hemodynamic responses to an infusion of angiotensin II (assessment of intrarenal RAAS) were measured pre- and post-FBX...
April 13, 2017: Diabetes
https://www.readbyqxmd.com/read/28394873/effects-of-percutaneous-coronary-intervention-on-viable-myocardium-and-heart-function-of-diabetic-patients-with-chronic-total-occlusion
#10
Guowei Zhou, Wenyi Yang, Liang Li
OBJECTIVE: The aim of this study was to compare the effects of percutaneous coronary intervention (PCI) on coronary chronic total occlusion patients with (DM) or without (NDM) diabetes mellitus. METHODS: A total of 78 patients were divided into DM group and NDM group according to whether the patient has DM. The results of PCI were analyzed using quantitative coronary analysis. In addition, all the patients underwent Tc-MIBI (methoxyisobutylisonitrile) single-photon emission computed tomography (SPECT) and ultrasonic cardiogram in the first week and the sixth month after PCI to evaluate PCI results...
April 7, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28374328/epicardial-and-microvascular-coronary-vasomotor-dysfunction-and-its-relation-to-myocardial-ischemic-burden-in-patients-with-non-obstructive-coronary-artery-disease
#11
Edoardo Verna, Sergio Ghiringhelli, Stefano Provasoli, Simone Scotti, Jorge Salerno-Uriarte
AIM: To assess the relative contribution of epicardial endothelium-dependent (EDD) and microvascular endothelium-independent (EIMVD) coronary vasomotor dysfunction to the extent of myocardial ischemia in patients with normal angiograms or non-obstructive coronary artery disease (NOCAD). METHODS: Coronary vasomotion was evaluated by quantitative angiography and blood flow (CBF) measurements during intracoronary acetylcholine, nitroglycerine, and adenosine in 101 patients...
April 3, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28372430/trace-explosives-sensor-testbed-testbed
#12
Greg E Collins, Michael P Malito, Cy R Tamanaha, Mark H Hammond, Braden C Giordano, Adam L Lubrano, Christopher R Field, Duane A Rogers, Russell A Jeffries, Richard J Colton, Susan L Rose-Pehrsson
A novel vapor delivery testbed, referred to as the Trace Explosives Sensor Testbed, or TESTbed, is demonstrated that is amenable to both high- and low-volatility explosives vapors including nitromethane, nitroglycerine, ethylene glycol dinitrate, triacetone triperoxide, 2,4,6-trinitrotoluene, pentaerythritol tetranitrate, and hexahydro-1,3,5-trinitro-1,3,5-triazine. The TESTbed incorporates a six-port dual-line manifold system allowing for rapid actuation between a dedicated clean air source and a trace explosives vapor source...
March 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28366306/the-largpad-trial-phase-iia-evaluation-of-l-arginine-infusion-in-patients-with-peripheral-arterial-disease
#13
Vikram S Kashyap, Ryan O Lakin, Patricia Campos, Matthew Allemang, Ann Kim, Timur P Sarac, Alfred Hausladen, Jonathan S Stamler
OBJECTIVE: Endothelial function is improved by l-arginine (l-arg) supplementation in preclinical and clinical studies of mildly diseased vasculature; however, endothelial function and responsiveness to l-arg in severely diseased arteries is not known. Our objective was to evaluate the acute effects of catheter-directed l-arg delivery in patients with chronic lower extremity ischemia secondary to peripheral arterial disease. METHODS: The study enrolled 22 patients (45% male) with peripheral arterial disease (mean age, 62 years) requiring lower extremity angiography...
March 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28359657/association-of-vitamin-d-metabolites-with-arterial-function-in-the-hemodialysis-fistula-maturation-study
#14
Adriana J van Ballegooijen, Leila Zelnick, Andrew N Hoofnagle, Naomi M Hamburg, Cassiane Robinson-Cohen, Prabir Roy-Chaudhury, Alfred K Cheung, Yan-Ting E Shiu, Ian H de Boer, Jonathan Himmelfarb, Gerald Beck, Peter B Imrey, John W Kusek, Bryan Kestenbaum
BACKGROUND: Disturbances in vitamin D metabolism are common in patients with end-stage renal disease and may contribute to vascular dysfunction. STUDY DESIGN: Cross-sectional. SETTING & PARTICIPANTS: We evaluated 558 of 602 participants at baseline of the Hemodialysis Fistula Maturation (HFM) Study, a 7-center prospective cohort study of a cohort of patients with chronic kidney disease awaiting arteriovenous fistula (AVF) creation surgery...
March 27, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28342890/vasodilatory-effect-of-nitroglycerin-in-japanese-subjects-with-different-aldehyde-dehydrogenase-2-aldh2-genotypes
#15
Takeshi Miura, Toru Nishinaka, Tomoyuki Terada, Kazuya Yonezawa
The functional genetic polymorphism of aldehyde dehydrogenase 2 (ALDH2) influences the enzymatic activities of its wild type (Glu504 encoded by ALDH2*1) and mutant type (Lys504 encoded by ALDH2*2) proteins. The enzymatic activities of mutant-type ALDH2 are limited compared with those of the wild type. ALDH2 has been suggested as a critical factor for nitroglycerin-mediated vasodilation by some human studies and in vitro studies. Currently, there is no research on direct observations of the vasodilatory effect of nitroglycerin sublingual tablets, which is the generally used dosage form...
March 23, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28341376/decreased-frequency-and-duration-of-tooth-brushing-is-a-risk-factor-for-endothelial-dysfunction
#16
Shogo Matsui, Masato Kajikawa, Tatsuya Maruhashi, Yumiko Iwamoto, Akimichi Iwamoto, Nozomu Oda, Shinji Kishimoto, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Chikara Goto, Yoshiki Aibara, Ayumu Nakashima, Kensuke Noma, Akira Taguchi, Yukihito Higashi
BACKGROUND: Periodontal disease is associated with endothelial dysfunction, leading to cardiovascular disease. The effect of detailed tooth brushing behavior, not only frequency but also duration of tooth brushing, on endothelial function is unclear. The purpose of this study was to evaluate the relationships of detailed methods of tooth brushing with vascular function. METHODS: We evaluated flow-mediated vasodilation (FMD), nitroglycerine-induced vasodilation, and frequency and duration of tooth brushing in 896 subjects...
March 16, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28340788/rapid-identification-and-desorption-mechanisms-of-nitrogen-based-explosives-by-ambient-micro-fabricated-glow-discharge-plasma-desorption-ionization-mfgdp-mass-spectrometry
#17
CaiYan Tian, JinWei Yin, ZhongJun Zhao, Yinchenxi Zhang, YiXiang Duan
A novel technique of micro-fabricated glow discharge plasma desorption/ionization mass spectrometry was investigated for the first time in negative ion mode in this study. Negative ion micro-fabricated glow discharge plasma desorption/ionization mass spectrometry (NI-MFGDP-MS) was successfully applied to identify trace explosives in open air. Six explosives and explosives-related compounds were directly analyzed in seconds with this ion source. The ions of [M-H](-) were predominant for 2-methyl-1,3,5-trinitrobenzene (trinitrotoluene, TNT) and 2,4,6-trinitrophenol (picric acid), and [M+NO3](-) were dominant ions for 1,3,5-trinitro-perhydro-1,3,5-triazine (cyclonite, RDX), octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (octogen, HMX), 1,2,3-trinitroxypropane (nitroglycerin, NG), and pentaerythritol tetranitrate (PETN)...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28331365/mastectomy-skin-flap-necrosis-challenges-and-solutions
#18
REVIEW
Stuart A Robertson, Johann A Jeevaratnam, Avi Agrawal, Ramsey I Cutress
INTRODUCTION: Mastectomy skin flap necrosis (MSFN) has a reported incidence of 5%-30% in the literature. It is often a significant and underappreciated problem. The aim of this article was to review the associated challenges and possible solutions. METHODS: A MEDLINE search was performed using the search term "mastectomy skin flap necrosis". Titles and abstracts from peer-reviewed publications were screened for relevance. RESULTS: MSFN is a common complication and may present as partial- or full-thickness necrosis...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28331159/the-effect-of-nitroglycerin-on-arterial-stiffness-of-the-aorta-and-the-femoral-tibial-arteries
#19
Tomoyuki Yamamoto, Kazuhiro Shimizu, Mao Takahashi, Ichiro Tatsuno, Kohji Shirai
AIM: The effect of nitroglycerin on proper arterial stiffness of the arterial tree has not been fully clarified. The cardio-ankle vascular index (CAVI), which is an application of the stiffness parameter β theory on the arterial tree from the origin of the aorta to the ankle, was developed recently. Furthermore, the stiffness of the aorta (heart-thigh β (htBeta)) and of the femoral-tibial arteries (thigh to ankle β (taBeta)) could be monitored by applying the same theory. The effects of nitroglycerin on CAVI, htBeta, and taBeta were studied comparing the values of healthy people and those of arteriosclerotic patients...
March 22, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28319321/unrecognized-coronary-vasospasm-in-patients-referred-for-percutaneous-coronary-intervention-intracoronary-nitroglycerin-the-forgotten-stepchild-of-cardiovascular-guidelines
#20
Alec Vishnevsky, Howard M Julien, David L Fischman, Paul Walinsky, J David Ogilby, Nicholas J Ruggiero, Babu Jasti, Michael P Savage
OBJECTIVE: The goal of this study was to demonstrate the importance of intracoronary nitroglycerin (IC NTG) administration during diagnostic coronary angiography and prior to percutaneous coronary intervention (PCI). BACKGROUND: PCI has been a mainstay treatment for patients with symptomatic coronary artery disease. While current guidelines emphasize the importance of periprocedural antithrombotic medications, they fail to mention the use of nitroglycerin prior to PCI...
March 20, 2017: Catheterization and Cardiovascular Interventions
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