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congestive cardiac failure and nitroglycerin

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https://www.readbyqxmd.com/read/26653691/left-ventricular-outflow-track-obstruction-and-mitral-valve-regurgitation-in-a-patient-with-takotsubo-cardiomyopathy
#1
Yin Wu, WuQiang Fan, Laura Chachula, Gary Costacurta, Rajeev Rohatgi, Farhad Elmi
INTRODUCTION: Takotsubo cardiomyopathy (TCM) can be complicated by left ventricular outflow tract (LVOT) obstruction and severe acute mitral regurgitation (MR), leading to hemodynamic instability in an otherwise benign disorder. Despite the severity of these complications, there is a paucity of literature on the matter. Because up to 20-25% of TCM patients develop LVOT obstruction and/or MR, it is important to recognize the clinical manifestations of these complications and to adhere to specific management in order to reduce patient morbidity and mortality...
2015: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/24510321/the-role-of-enhanced-external-counter-pulsation-therapy-in-clinical-practice
#2
Umesh Sharma, Heidi K Ramsey, Tahir Tak
Enhanced external counterpulsation (EECP) has been approved by the United States Food and Drug Administration (FDA) for management of refractory angina (Class IIb). EECP uses three sets of pneumatic cuffs that sequentially contract during diastole, increasing aortic diastolic pressure, augmenting coronary blood flow and central venous return. EECP improves anginal symptoms and exercise tolerance, and reduces nitroglycerin use in patients with chronic, stable angina. EECP has also been shown to be safe and beneficial in patients with symptomatic stable congestive heart failure...
December 2013: Clinical Medicine & Research
https://www.readbyqxmd.com/read/21976129/update-on-the-management-of-acute-decompensated-heart-failure
#3
David T Majure, John R Teerlink
OPINION STATEMENT: Treatment goals of acute decompensated heart failure are to decrease congestion, afterload, and neurohormonal activation in order to improve hemodynamics and symptoms and, perhaps, reduce in-hospital events, re-hospitalizations, and mortality while avoiding toxicities of therapy such as hypotension, arrhythmias, and renal dysfunction. Relief of congestion through intravenous loop diuretics is a mainstay of therapy. In cases where diuretics are not effective, ultrafiltration may be used to achieve euvolemia...
October 6, 2011: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/21723447/microvascular-coronary-dysfunction-in-women-pathophysiology-diagnosis-and-management
#4
REVIEW
Kamlesh Kothawade, C Noel Bairey Merz
Women exhibit a greater symptom burden, more functional disability, and a higher prevalence of no obstructive coronary artery disease compared to men when evaluated for signs and symptoms of myocardial ischemia. Microvascular coronary dysfunction (MCD), defined as limited coronary flow reserve and/or coronary endothelial dysfunction, is the predominant etiologic mechanism of ischemia in women with the triad of persistent chest pain, no obstructive coronary artery disease, and ischemia evidenced by stress testing...
August 2011: Current Problems in Cardiology
https://www.readbyqxmd.com/read/21678708/acute-heart-failure-with-dyspnoea-initial-treatment-furosemide-and-trinitrine-despite-the-lack-of-a-proven-survival-benefit
#5
REVIEW
(no author information available yet)
For patients with acute heart failure and dyspnoea due to pulmonary congestion, the risk of death in the short term is high. To determine how best to manage these patients, we reviewed the relevant literature using the standard Prescrire methodology. There are few reliable clinical trial data. None of the available drugs has been shown to improve survival. Loop diuretics such as furosemide improve some haemodynamic parameters and dyspnoea due to congestion, i.e., water and salt retention. The dose is adjusted on the basis of clinical response, renal status and previous use of a loop diuretic, especially in chronic heart failure...
June 2011: Prescrire International
https://www.readbyqxmd.com/read/21271305/hypertensive-emergencies-in-children
#6
Pankaj Hari, Aditi Sinha
Hypertensive emergencies, though uncommon in children, are potentially life threatening. While targeting blood pressure reduction to below the 90th percentile for age, gender and height, mean arterial blood pressure should be gradually lowered by one-fourth of the planned reduction over 8-12 h, a further fourth over the next 8-12 h, and the final 50% over the 24 h after that. Frequent invasive or non-invasive blood pressure monitoring is essential, as is monitoring for sensorial alteration and loss of papillary reflexes...
May 2011: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/20842559/treatment-of-angina-and-microvascular-coronary-dysfunction
#7
Arang Samim, Lynn Nugent, Puja K Mehta, Chrisandra Shufelt, C Noel Bairey Merz
Microvascular coronary dysfunction (MCD) is an increasingly recognized cause of cardiac ischemia and angina that is diagnosed more commonly in women. Patients with MCD present with the triad of persistent chest pain, ischemic changes on stress testing, and no obstructive coronary artery disease on cardiac catheterization. Data from the National Heart, Lung, and Blood Institute-sponsored Women's Ischemia Syndrome Evaluation (WISE) study show that the diagnosis of MCD is not benign, with a 2.5% annual risk of adverse cardiac events including myocardial infarction, stroke, congestive heart failure, and death...
August 2010: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/19683998/surgical-treatment-of-giant-coronary-artery-aneurysm-secondary-to-kawasaki-disease
#8
Chunhu Gu, Shanhong Fan, Heping Zhou, Yunya Wang, Dinghua Yi, Rong Zhao, Guocheng Sun
AIM: To investigate the clinical features and surgical management of giant coronary artery aneurysm during end-stage Kawasaki disease. METHODS: From May 2006 to October 2007, 5 patients, 2 to 57 years old, presented with giant coronary artery aneurysm and underwent surgical correction. The coronary aneurysm diameters were 1.5 to 2.5 cm. The coronary aneurysm lesion sites included the right main coronary artery in 1 case, the left main coronary artery in 2 cases, and both the left and right coronary arteries in 2 cases...
August 2009: Heart Surgery Forum
https://www.readbyqxmd.com/read/19417013/effects-of-nitroglycerin-or-pentaerithrityl-tetranitrate-treatment-on-the-gene-expression-in-rat-hearts-evidence-for-cardiotoxic-and-cardioprotective-effects
#9
Andrea Pautz, Peter Rauschkolb, Nadine Schmidt, Julia Art, Matthias Oelze, Philip Wenzel, Ulrich Förstermann, Andreas Daiber, Hartmut Kleinert
Nitroglycerin (NTG) and pentaerithrityl tetranitrate (PETN) are organic nitrates used in the treatment of angina pectoris, myocardial infarction, and congestive heart failure. Recent data show marked differences in the effects of NTG and PETN on the generation of reactive oxygen species. These differences are attributed to different effects of NTG and PETN on the expression of antioxidative proteins like the heme oxygenase-I. To analyze the expressional effects of NTG and PETN in a more comprehensive manner we performed whole genome expression profiling experiments using cardiac total RNA from NTG- or PETN-treated rats and DNA microarrays containing oligonucleotides representing 27,044 rat gene transcripts...
July 9, 2009: Physiological Genomics
https://www.readbyqxmd.com/read/19026382/prehospital-management-of-congestive-heart-failure
#10
REVIEW
Amal Mattu, Benjamin Lawner
The evolution of prehospital treatment of decompensated congestive heart failure has in some ways come full circle: rather than emphasizing a battery of new pharmacotherapies, out-of-hospital providers have a renewed focus on aggressive use of nitrates, optimization of airway support, and rapid transport. The use of furosemide and morphine has become de-emphasized, and a flurry of research activity and excitement revolves around the use of noninvasive positive-pressure ventilation. Further research will clarify the role of bronchodilators and angiotensin-converting enzyme inhibitors in the prehospital setting...
January 2009: Heart Failure Clinics
https://www.readbyqxmd.com/read/18995176/activation-of-inducible-nos-in-peripheral-vessels-and-outcomes-in-heart-failure-patients
#11
COMPARATIVE STUDY
Yutaka Ishibashi, Nobuyuki Takahashi, Atsushi Tokumaru, Kenji Karino, Takashi Sugamori, Takeshi Sakane, Nobuhiro Kodani, Yoshitsugu Kunizawa, Hiroyuki Yoshitomi, Hidetoshi Sato, Nobuyuki Oyake, Yo Murakami, Toshio Shimada
BACKGROUND: Activation of inducible nitric oxide synthase (iNOS) has been reported in congestive heart failure (CHF) conditions. However, it is unknown whether activation of iNOS affects prognosis of CHF patients. We prospectively studied the influence of activation of iNOS in the forearm on the outcome of CHF patients. METHODS AND RESULTS: Forearm blood flow (FBF) responses to 3 doses of acetylcholine (ACh) and nitroglycerin (NTG), and 4 doses of a selective iNOS inhibitor (aminoguanidine: Amn) and a nonselective NOS inhibitor (L-NMMA) were examined using plethysmography in 68 patients with CHF from idiopathic dilated cardiomyopathy...
November 2008: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/18577837/conservative-medication-follow-up-for-over-20-years-of-a-patient-with-ischemic-heart-disease-after-diagnosis-of-chronic-total-occlusion-of-the-3-main-coronary-arteries
#12
Shinichiro Tanaka, Chiharu Yokoyama, Itta Kawamura, Nobuhiro Takasugi, Tomoki Kubota, Hiroaki Ushikoshi, Takuma Aoyama, Masanori Kawasaki, Kazuhiko Nishigaki, Genzou Takemura, Shinya Minatoguchi
A 48-year-old man suffered from acute coronary syndrome in 1978. Coronary angiography was performed at that time and showed 99% stenosis of the right coronary artery, 100% of the left circumflex branch, and 50% of the left ascending artery. He received conservative therapy. Five years later (ie, 1983), coronary angiography showed complete occlusions of the 3 major coronary arteries. Rich collateral circulation had developed distal to all 3 major coronary trees. The patient and his family rejected invasive therapies such as coronary-artery bypass graft or percutaneous coronary intervention...
July 2008: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/17322419/restoration-of-impaired-endothelium-dependent-coronary-vasodilation-in-failing-heart-role-of-enos-phosphorylation-and-cgmp-cgk-i-signaling
#13
Robert M Gill, Julian C Braz, Najia Jin, Gary J Etgen, Weiqun Shen
In congestive heart failure (CHF), coronary vascular relaxation is associated with endothelial dysfunction and nitric oxide (NO) deficiency. This study explored the reversibility of this process in hearts recovering from CHF and its related mechanisms. Dogs were chronically instrumented to measure cardiac function and coronary blood flow (CBF). Heart failure was induced by right ventricular pacing at 240 beats/min for 3-4 wk, and cardiac recovery (CR) was allowed by the termination of cardiac pacing for 3-4 wk after the development of CHF, in which left ventricular contractile function was restored by 80-90%...
June 2007: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/17292880/effects-of-perhexiline-and-nitroglycerin-on-vascular-neutrophil-and-platelet-function-in-patients-with-stable-angina-pectoris
#14
RANDOMIZED CONTROLLED TRIAL
Elizabeth A Liberts, Scott R Willoughby, Jennifer A Kennedy, John D Horowitz
Perhexiline, a "metabolic" anti-anginal agent currently under investigation in management of congestive heart failure and acute coronary syndromes improves platelet nitric oxide responsiveness in patients with impaired responsiveness. The current study investigated possible interactions between perhexiline and the nitric oxide donor nitroglycerin on arterial stiffness, neutrophil superoxide release and on platelet nitric oxide responsiveness. Patients (n=39) with stable angina pectoris, awaiting cardiac catheterization were randomized to additional perhexiline or unchanged drug therapy; all patients received nitroglycerin infusion for 2 h...
March 29, 2007: European Journal of Pharmacology
https://www.readbyqxmd.com/read/16464637/the-effect-of-altering-haemodynamics-on-the-plasma-concentrations-of-natriuretic-peptides-in-heart-failure
#15
RANDOMIZED CONTROLLED TRIAL
A I Larsen, K Dickstein, N S Ahmadi, T Aarsland, J T Kvaløy, C Hall
BACKGROUND: Natriuretic peptide levels reflect haemodynamics in patients with heart failure and may serve as biochemical markers of cardiac filling pressures. The purpose of this study was to detect differences in the kinetic profile between atrial natriuretic peptide (ANP), B-type natriuretic peptide (BNP) and their N-terminal fragments N-ANP and N-BNP, in response to rapid and persistent vasodilatation. METHODS: Sixteen men and four women aged 63.0+/-10.4 (mean+/-S...
October 2006: European Journal of Heart Failure
https://www.readbyqxmd.com/read/16377276/two-year-clinical-outcomes-after-enhanced-external-counterpulsation-eecp-therapy-in-patients-with-refractory-angina-pectoris-and-left-ventricular-dysfunction-report-from-the-international-eecp-patient-registry
#16
MULTICENTER STUDY
Ozlem Soran, Elizabeth D Kennard, Abdallah Georges Kfoury, Sheryl F Kelsey
Enhanced external counterpulsation (EECP) is a noninvasive circulatory assist device that has recently emerged as a treatment option for refractory angina in left ventricular (LV) dysfunction. This 2-year cohort study describes the long-term follow-up of patients who had severe LV dysfunction that was treated with EECP for angina pectoris and reports clinical outcomes, event-free survival rates, and the incidence of repeat EECP. This study included 363 patients who had refractory angina and LV ejection fraction < or =35%...
January 1, 2006: American Journal of Cardiology
https://www.readbyqxmd.com/read/15722665/mineralocorticoid-receptor-is-overexpressed-in-cardiomyocytes-of-patients-with-congestive-heart-failure
#17
Masahiro Yoshida, Jun Ma, Tsutomu Tomita, Norihiro Morikawa, Nobuyoshi Tanaka, Katsuhiko Masamura, Yasuyuki Kawai, Isamu Miyamori
Mineralocorticoid receptors (MRs) have been identified in the human cardiovascular tissues. We determined MR expression in the failing heart to clarify the mechanism of action of aldosterone antagonist in the treatment of congestive heart failure. MR protein and MR mRNA content were detected by immunohistochemical staining and in situ hybridization in the cardiac tissues. Immunohistochemical staining of the receptor, as well as in situ hybridization of MR mRNA, was dense in cardiomyocytes of the failing left ventricle as compared with the controls...
January 2005: Congestive Heart Failure
https://www.readbyqxmd.com/read/15563539/sodium-channel-enhancer-restores-baroreflex-sensitivity-in-conscious-dogs-with-heart-failure
#18
Weiqun Shen, Robert M Gill, Jian-Ping Zhang, Bonita D Jones, Angela K Corbly, Mitchell I Steinberg
We compared the cardiac inotropic, lusitropic, and chronotropic responses to the Na(+) channel enhancer LY-368052 in conscious dogs before and after development of congestive heart failure (CHF). We also examined the effect of LY-368052 on baroreflex sensitivity and the efferent neural mechanisms of the bradycardic response in heart failure. Dogs were chronically instrumented, and heart failure was induced by right ventricular pacing at 240 beats/min for 3-4 wk. LY-368052 dose-dependently increased left ventricular contractile performance before and after the development of CHF to a similar extent...
April 2005: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/15492476/eccentric-dosing-of-nitrates-does-not-increase-cardiac-events-in-patients-with-healed-myocardial-infarction
#19
Ken Kanamasa, Norikatsu Naito, Hideki Morii, Kazue Nakano, Yasushi Tanaka, Koji Kitayama, Ryo Haku, Tatsuya Kai, Osamu Yonekawa, Yusuke Nagatani, Kinji Ishikawa et al.
This study was performed to investigate the risk of cardiac events by eccentric or continuous dosing of nitrates in patients with healed myocardial infarction. A total of 573 patients with healed myocardial infarction were assigned to one of two groups: a nitrate-treatment (n =239) and a nontreatment (n =334) group. The nitrate-treatment group was further subdivided into a group receiving eccentric dosing of nitrates (n =153) and a group receiving continuous dosing of nitrates (n =86). The mean observation period was 11...
August 2004: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/15102572/nesiritide-for-the-treatment-of-congestive-heart-failure
#20
REVIEW
Srinivas Iyengar, David S Feldman, Robin Trupp, William T Abraham
Nesiritide (Natrecor) is a recombinant form of the human B-type natriuretic peptide (BNP) that has been shown, through several studies, to have beneficial natriuretic, diuretic and vasodilatory effects in the treatment of congestive heart failure (CHF). Nesiritide mimics the actions of endogenous BNP by binding to and stimulating receptors in the heart, kidney and vasculature. Nesiritide functions as both a potent venous and arterial vasodilator and has been shown to improve cardiac haemodynamics more rapidly and to a greater extent than intravenous nitroglycerin, as well as having fewer side effects...
April 2004: Expert Opinion on Pharmacotherapy
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