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Nitroglycerin

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https://www.readbyqxmd.com/read/28331365/mastectomy-skin-flap-necrosis-challenges-and-solutions
#1
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
#2
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
#3
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
https://www.readbyqxmd.com/read/28319269/withdrawn-trimetazidine-for-stable-angina
#4
REVIEW
Agustín Ciapponi, Rudolf Pizarro, Jeff Harrison
BACKGROUND: Patients with stable angina not controlled by monotherapy with nitrates, beta blockers, or calcium channel blockers are often treated with combinations of these drugs. There may be adverse effects from, or contraindications to, the use of combinations. In low risk groups, medical treatment appears to be as good an option as percutaneous transluminal coronary angioplasty in terms of averting myocardial infarction, death, or subsequent revascularization. Revascularization procedures are too costly or inaccessible for many patients in developing countries therefore effective and safe medical treatment is needed...
March 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28302516/impact-of-type-2-diabetes-on-vascular-reactivity-to-cgmp-generators-in-human-internal-thoracic-arteries
#5
Masashi Tawa, Takeshi Kinoshita, Tohru Asai, Tomoaki Suzuki, Takeshi Imamura, Tomio Okamura
OBJECTIVE: The balance between nitric oxide (NO)-sensitive and -insensitive forms of soluble guanylate cyclase (sGC) has been demonstrated to be disrupted in certain lifestyle-related diseases. However, it remains unclear whether type 2 diabetes results in a shift of sGC to the NO-insensitive form. This study addressed this issue in the human blood vessel. METHODS: Internal thoracic arteries were obtained from patients undergoing coronary artery bypass grafting...
March 14, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28294866/-treatment-of-patients-with-stable-ischemic-heart-disease-in-real-clinical-practice-in-russia-the-choice-2-program
#6
G Glezer M, On Behalf Of The Choice-Study Participants On Behalf Of The Choice-Study Participants
OBJECTIVE: in the framework of an open post-marketing observational national program CHOICE-2 to assess correspondence between recommendations for management of patients with stable angina and actual clinical practice, as well as to assess effect of treatment with cytoprotector trimetazidine on clinical course of the disease. MATERIAL AND METHODS: Participating physicians (n=185 from 46 regions of Russian Federation) recruited 896 patients with ischemic heart disease (IHD)...
May 2016: Kardiologiia
https://www.readbyqxmd.com/read/28286847/protocol-adherence-in-prehospital-medical-care-provided-for-patients-with-chest-pain-and-loss-of-consciousness-a-brief-report
#7
Mostafa Mehrara, Nader Tavakoli, Marzieh Fathi, Babak Mahshidfar, Mohammad Amin Zare, Azita Asadi, Saeedeh Hosseinzadeh, Mehdi Safdarian
INTRODUCTION: Although many protocols are available in the field of the prehospital medical care (PMC), there is still a notable gap between protocol based directions and applied clinical practice. This study measures the rate of protocol adherence in PMC provided for patients with chest pain and loss of consciousness (LOC). METHOD: In this cross-sectional study, 10 educated research assistants audited the situation of provided PMC for non-traumatic chest pain and LOC patients, presenting to the emergency department of a tertiary level teaching hospital, compare to national recommendations in these regards...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28286685/acute-vision-loss-following-endoscopic-sinus-surgery
#8
Serena Byrd, Adnan S Hussaini, Jastin Antisdel
A 41-year-old female with a history of uterine cancer and Celiac and Raynaud's Disease presented to our institution with frequent migraines and nasal congestion. She underwent functional endoscopic sinus surgery (FESS) and experienced acute unilateral vision loss postoperatively. Rapid recognition of the etiology and effective treatment are paramount given the permanent and irreversible vision loss that can result. Arterial vasospasm following FESS is rare. Patients with autoimmune diseases have perhaps an increased risk for vasospasm secondary to an increased vasoreactive profile...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28283339/prinzmetal-angina-coronary-vasospasm-associated-with-5-fluorouracil-chemotherapy
#9
Maxim Ben-Yakov, Amal Mattu, William J Brady, Sarah B Dubbs
Several chemotherapeutic agents are known to be cardiotoxic. One of them, 5-fluorouracil (5-FU), has been associated with coronary ischemia and reversible vasospasm. In this report, we describe a 54-year-old man with rectal cancer who developed chest pain during 5-FU infusion. His initial electrocardiogram (ECG), obtained while he was experiencing chest pain, showed hyperacute T waves in the anterolateral leads. Those waves disappeared along with the chest pain after administration of sublingual nitroglycerine...
March 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28277420/regional-to-the-rescue-axillary-brachial-plexus-nerve-block-facilitates-removal-of-entrapped-transradial-catheter-placed-for-cardiac-catheterization
#10
Brian M Fitzgerald, Lee A Babbel, Ferdinand K Bacomo, Sandeep T Dhanjal
OBJECTIVE: Our objective was to describe the first reported use of an axillary brachial plexus block to treat the entrapment of a transradial artery catheter due to vasospasm. CASE REPORT: A 42-year-old man undergoing transradial arterial cardiac catheterization suffered arterial vasospasm causing the catheter to become entrapped and refractory to conservative (warm compresses) and standard pharmacologic interventions (intracatheter verapamil, intravenous infusions of nitroglycerin and nicardipine, and subcutaneous lidocaine and topical nitroglycerin)...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28273995/prinzmetals-angina-masquerading-as-acute-pericarditis
#11
Ashwal Adamane Jayaram, Mugula Sudhakar Rao, R Padmakumar, Uk Abdul Razak
Coronary artery spasm is an intense vasoconstriction of the coronary arteries and may be responsible for the myocardial ischemia, myocardial infarction as well as sudden deaths. Coronary angiography is generally needed to identify the cause. Coronary artery spasm is a multifactorial disease with underlying mechanism still poorly understood. Here, we present case of a 48-year-old male with no significant past history who presented with acute episodic onset chest pain. Clinical, Electrocardiography (ECG) and echocardiographic findings suggested pericarditis but a diagnostic coronary angiography revealed significant coronary vasospasm...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28267041/estimation-of-aortic-systolic-blood-pressure-from-radial-systolic-and-diastolic-blood-pressures-alone-using-artificial-neural-networks
#12
Hanguang Xiao, Ahmad Qasem, Mark Butlin, Alberto Avolio
BACKGROUND: Current aortic SBP estimation methods require recording of a peripheral pressure waveform, a step with no consensus on method. This study investigates the possibility of aortic SBP estimation from radial SBP and DBP using artificial neural networks (ANN) with [ANNSBP.DBP.heart rate (HR)] and without HR (ANNSBP.DBP). METHODS: Ten-fold cross validation was applied to invasive, simultaneously recorded aortic and radial pressure during rest and nitroglycerin infusion (n = 62 patients)...
March 6, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28249288/responsiveness-of-coronary-arteries-to-nitroglycerin-under-hypoxia-the-importance-of-the-endothelium
#13
Masashi Tawa, Takashi Shimosato, Hiroshi Sakonjo, Tomio Okamura
BACKGROUND/AIMS: Nitroglycerin is widely used as a coronary vasodilator in the treatment of ischemic heart diseases. This study investigated the influence of hypoxia on nitroglycerin-induced relaxation in endothelium-intact and -denuded rabbit, monkey, and porcine coronary arteries. METHODS: Helically cut strips of coronary arteries were suspended in organ chambers, and isometric tension was recorded. RESULTS: Nitroglycerin concentration dependently relaxed endothelium-intact rabbit coronary arteries, which were not different under normoxic and hypoxic conditions...
March 2, 2017: Pharmacology
https://www.readbyqxmd.com/read/28239970/atmospheric-pressure-chemical-ionization-of-explosives-induced-by-soft-x-radiation-in-ion-mobility-spectrometry-mass-spectrometric-investigation-of-the-ionization-reactions-of-drift-gasses-dopants-and-alkyl-nitrates
#14
Daniel Riebe, Alexander Erler, Thomas Ritschel, Toralf Beitz, Hans-Gerd Löhmannsröben, Andreas Beil, Michael Blaschke, Thomas Ludwig
A promising replacement for the radioactive sources commonly encountered in ion mobility spectrometers is a miniaturized, energy-efficient photoionization source that produce the reactant ions via soft X-radiation (2.8 keV). In order to successfully apply the photoionization source, it is imperative to know the spectrum of reactant ions and the subsequent ionization reactions leading to the detection of analytes. To that end, an ionization chamber based on the photoionization source that reproduces the ionization processes in the ion mobility spectrometer and facilitates efficient transfer of the product ions into a mass spectrometer was developed...
August 2016: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28228610/increasing-risk-of-osteoporotic-fracture-is-associated-with-vascular-dysfunction-and-abnormal-vascular-structure-in-both-men-and-women
#15
Masato Kajikawa, Nozomu Oda, Shinji Kishimoto, Tatsuya Maruhashi, Yumiko Iwamoto, Akimichi Iwamoto, Shogo Matsui, Yoshiki Aibara, Farina Binti Mohamad Yusoff, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Chikara Goto, Kensuke Noma, Ayumu Nakashima, Akira Taguchi, Yukihito Higashi
BACKGROUND: Osteoporosis and cardiovascular disease are major public health problems. A number of clinical studies have shown a link between osteoporosis and cardiovascular disease, but there is no information on the associations of risk of osteoporotic fracture with vascular function and vascular structure.Methods and Results:The risk of major osteoporotic fracture was calculated using the World Health Organization fracture risk assessment tool (FRAX); vascular function was assessed using flow-mediated vasodilation (FMD) and nitroglycerine-induced vasodilation (NID), and vascular structure was assessed on brachial artery intima-media thickness (IMT) in 414 subjects (241 men and 173 women) who underwent health examinations...
February 23, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28228306/isoprenaline-versus-nitroglycerine-in-head-up-tilt-test
#16
Umesh R Bilagi, Jayaprakash Shenthar, Manjunath Nanjappa Cholenahally
BACKGROUND: HUTT test is used in evaluation of syncope. Isoprenaline and isosorbide dinitrate are used to increase the sensitivity of the test. These drugs act by different mechanisms. We aimed to compare the results of isoprenaline with isosorbide dinitrate. METHODS AND RESULTS: We studied 198 subjects referred for HUTT to our institute; those above the age of 35 years were not included in our study, because isoprenaline was not used commonly above this age; thus, only 90 subjects were analyzed...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28228072/curcumin-and-endothelial-function-evidence-and-mechanisms-of-protective-effects
#17
Maryam Saberi Karimian, Matteo Pirro, Thomas P Johnston, Muhammed Majeed, Amirhossein Sahebkar
BACKGROUND: The endothelium is a large paracrine organ regulating cell growth, vascular tone and thrombogenicity as well as platelet and leukocyte interactions. Endothelial function can be assessed by non-invasive techniques [e.g. flow-mediated vasodilation, nitroglycerin-mediated dilation and pulse wave velocity] and measuring specific circulating biomarkers [cell adhesion molecules, endothelial microparticles and endothelial progenitor cells]. Impaired endothelial function plays a key role in the development of atherosclerosis, arterial hypertension, heart failure, ischemia-reperfusion injury, Alzheimer's disease and other conditions...
February 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28223475/reduced-first-phase-ejection-fraction-and-sustained-myocardial-wall-stress-in-hypertensive-patients-with-diastolic-dysfunction-a-manifestation-of-impaired-shortening-deactivation-that-links-systolic-to-diastolic-dysfunction-and-preserves-systolic-ejection-fraction
#18
Haotian Gu, Ye Li, Henry Fok, John Simpson, Jonathan C Kentish, Ajay M Shah, Philip J Chowienczyk
Impaired shortening deactivation of cardiac myocytes could sustain myocardial contraction, preserving ejection fraction at the expense of diastolic dysfunction. We examined the relationship between first-phase ejection fraction (EF1), the fraction of left ventricular volume ejected from the start of systole to the time of the first peak in left ventricular pressure (corresponding to the time of maximal ventricular shortening) to the duration of myocardial contraction and diastolic function in patients with hypertension (n=163), and varying degrees of diastolic dysfunction...
April 2017: Hypertension
https://www.readbyqxmd.com/read/28220375/cardiac-cephalalgia-one-case-with-cortical-hypoperfusion-in-headaches-and-literature-review
#19
REVIEW
Miao Wang, Lu Wang, Changfu Liu, Xiangbing Bian, Zhao Dong, Shengyuan Yu
BACKGROUND: Cardiac cephalalgia (CC) is a rare disease occurring during an episode of myocardial ischemia and relieved by nitroglycerine. Though more than 30 cases of CC have been reported since 1997, the mechanism is yet obscure. Herein, a case of CC is presented and discussed in relevance with previous literature to propose a novel hypothesis about the mechanism of CC. METHOD: A CC patient with cortical hypoperfusion during headache attacks was presented, which has never been reported...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28190464/a-chinese-patent-medicine-salvia-miltiorrhiza-depside-salts-for-infusion-combined-with-conventional-treatment-for-patients-with-angina-pectoris-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#20
Yili Zhang, Yanming Xie, Xing Liao, Qiulei Jia, Yan Chai
BACKGROUND: Currently, many trials have been conducted to investigate the beneficial and harmful effects of Salvia miltiorrhiza depside salts for infusion for treating patients with angina pectoris. It is important to systematically and criticallyevaluate the existing literature into providing a pooled effect to examine outcomes of angina pectoris with Salvia miltiorrhiza depside salts for infusion. PURPOSE: A systematic review and meta-analysis were performed to determine the clinical curative effect and safety of Salvia miltiorrhiza depside salts for infusion for angina pectoris and provide clear evidence to inform clinical practice...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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