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https://www.readbyqxmd.com/read/29232299/the-axillary-intra-aortic-balloon-pump-as-a-bridge-to-recovery-allows-early-ambulation-in-long-term-use-case-series-and-literature-review
#1
Nnamdi Nwaejike, Andre Y Son, Chetan B Patel, Jacob N Schroder, Carmelo A Milano, Mani A Daneshmand
We evaluated the feasibility, tolerability, and efficacy of a strategy for transaxillary artery intra-aortic balloon pump placement for extended mechanical circulatory support of patients with postcardiotomy shock as a bridge to recovery. Patients requiring prolonged intra-aortic balloon pump support for postcardiotomy heart failure were identified. Intra-aortic balloon pump was tunneled through a 6-mm Dacron graft anastomosed to the right axillary artery. The intra-aortic balloon pump catheter is advanced under fluoroscopic guidance into the descending thoracic aorta...
December 7, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29209510/milrinone-in-congenital-diaphragmatic-hernia-a-randomized-pilot-trial-study-protocol-review-of-literature-and-survey-of-current-practices
#2
REVIEW
Satyan Lakshminrusimha, Martin Keszler, Haresh Kirpalani, Krisa Van Meurs, Patricia Chess, Namasivayam Ambalavanan, Bradley Yoder, Maria V Fraga, Holly Hedrick, Kevin P Lally, Leif Nelin, Michael Cotten, Jonathan Klein, Stephanie Guilford, Ashley Williams, Aasma Chaudhary, Marie Gantz, Jenna Gabrio, Dhuly Chowdhury, Kristin Zaterka-Baxter, Abhik Das, Rosemary D Higgins
Background: Congenital diaphragmatic hernia (CDH) is commonly associated with pulmonary hypoplasia and pulmonary hypertension (PH). PH associated with CDH (CDH-PH) is frequently resistant to conventional pulmonary vasodilator therapy including inhaled nitric oxide (iNO) possibly due to right and left ventricular dysfunction. Milrinone is an intravenous inotrope and lusitrope with pulmonary vasodilator properties and has been shown anecdotally to improve oxygenation in PH. We developed this pilot study to determine if milrinone infusion would improve oxygenation in neonates ≥36 weeks postmenstrual age (PMA) with CDH...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/29209225/cxl-1020-a-novel-nitroxyl-hno-prodrug-is-more-effective-than-milrinone-in-models-of-diastolic-dysfunction-a-cardiovascular-therapeutic-an-efficacy-and-safety-study-in-the-rat
#3
Steve R Roof, Yukie Ueyama, Reza Mazhari, Robert L Hamlin, J Craig Hartman, Mark T Ziolo, John E Reardon, Carlos L Del Rio
The nitroxyl (HNO) prodrug, CXL-1020, induces vasorelaxation and improves cardiac function in canine models and patients with systolic heart failure (HF). HNO's unique mechanism of action may be applicable to a broader subset of cardiac patients. This study investigated the load-independent safety and efficacy of CXL-1020 in two rodent (rat) models of diastolic heart failure and explored potential drug interactions with common HF background therapies. In vivo left-ventricular hemodynamics/pressure-volume relationships assessed before/during a 30 min IV infusion of CXL-1020 demonstrated acute load-independent positive inotropic, lusitropic, and vasodilatory effects in normal rats...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29173235/delaying-meiotic-resumption-during-transportation-of-bovine-cumulus-oocyte-complexes-effects-on-development-apoptosis-and-caspases-activity-of-in-vitro-produced-embryos
#4
Priscila Chediek Dall'Acqua, Beatriz Caetano da Silva Leão, Nathália Alves de Souza Rocha-Frigoni, Fernanda Patrícia Gottardi, Gisele Zoccal Mingoti
This study examined the effects of meiosis inhibition during bovine oocyte transportation on developmental competence and quality of produced embryos. The transportation medium was supplemented with: 100 μM butyrolactone I (BL), 500 μM IBMX + 100 μM forskolin (mSPOM), 100 μM milrinone (MR) or follicular fluid (bFF), and was carried out in a portable incubator for 6 h. Next, oocytes were in vitro matured (IVM) for 18 h, without the meiotic inhibitors, with the exception of mSPOM group, in which was added 20 μM cilostamide...
November 27, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/29148067/should-theophylline-be-added-to-the-j-wave-syndrome-therapeutic-armamentarium
#5
EDITORIAL
Charles Antzelevitch, Sami Viskin
The substrate for both early repolarization syndrome (ERS) and Brugada syndrome (BrS), the so-called J wave syndromes, has been shown to develop as a consequence of genetic variants causing a loss of function of inward currents such sodium (INa ) and calcium (ICa ) channel currents or a gain of function in outward currents such as the transient outward current (Ito ). These changes in ion channel function result in an outward shift of the balance of currents active during the early phases of the epicardial action potential in the right ventricular outflow tract (RVOT) of the heart in the case BrS and in the inferior left ventricle in the case of ERS...
November 16, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29147786/risk-factors-for-development-of-ectopic-atrial-tachycardia-in-post-operative-congenital-heart-disease
#6
Bradley C Clark, John T Berger, Charles I Berul, Richard A Jonas, Jonathan R Kaltman, Julianne Lapsa, Dilip S Nath, Elizabeth D Sherwin, Pranava Sinha, David Zurakowski, Jeffrey P Moak
Ectopic atrial tachycardia (EAT) is common in surgically repaired congenital heart disease (CHD) and carries the potential for significant hemodynamic compromise. Our objective was to determine the incidence, and risk factors of EAT after CHD surgery. Prospective study of patients that underwent surgery for CHD from February to October 2016 was performed. Demographic, perioperative and electrophysiologic data were collected. Sustained EAT (> 30 s) was documented by telemetry or electrocardiogram and confirmed by a pediatric electrophysiologist...
November 17, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29133479/mother-with-diabetes-mellitus-and-infant-with-hypertrophic-obstructive-cardiomyopathy-milrinone-precluded-need-for-extracorporeal-membrane-oxygenation
#7
Soham Dasgupta, Amna Qasim, Ashraf M Aly, Sunil K Jain
No abstract text is available yet for this article.
November 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29118793/feasibility-of-real-time-angiographic-perfusion-imaging-in-the-treatment-of-cerebral-vasospasm
#8
Christopher Donaldson, Anthea H O'Neill, Lee-Anne Slater, Winston Chong, Leon T Lai, Ronil V Chandra
Background: Objective assessment and quantification of the severity of cerebral vasospasm following aneurysmal subarachnoid hemorrhage is not routinely utilized. We investigated the feasibility of angiographic perfusion imaging derived from digital subtraction angiography (DSA) following endovascular vasospasm treatment procedures. Methodology: Real-time blood flow analysis was performed using parametric color coding on pre- and postintervention DSA. Semiquantitative parenchymal perfusion parameters (arrival time [AT] of contrast, time to peak [TTP] opacification, and mean transit time [MTT] of contrast) were calculated across 3 vascular territories (anterior cerebral artery [ACA], middle cerebral artery [MCA], and lenticulostriate arteries) using standard 2-D angiographic perfusion software...
October 2017: Interventional Neurology
https://www.readbyqxmd.com/read/29092664/the-perspective-of-the-intensivist-on-inotropes-and-postoperative-care-following-pediatric-heart-surgery-an-international-survey-and-systematic-review-of-the-literature
#9
Peter P Roeleveld, J C A de Klerk
INTRODUCTION: Inotropes are frequently being used in children undergoing heart surgery to prevent or treat low cardiac output syndrome (LCOS). There is only limited evidence that inotropes actually positively influence postoperative outcome. Our aim was to describe the current international practice variation in the use of inotropes following congenital heart surgery. METHODS: We developed an online survey regarding the postoperative use of inotropes. We sent an invitation to all 197 registered members of the Pediatric Cardiac Intensive Care Society (PCICS) to participate in the survey...
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29045285/milrinone-dosing-and-a-culture-of-caution-in-clinical-practice
#10
Luke Yong Zheng Chong, Kumar Satya, Bernard Kim, Robert Berkowitz
Milrinone is an invaluable agent in the treatment of end-stage heart failure patients who are refractory to optimal medical therapy. In addition to its use in acute decompensated heart failure, milrinone can also be employed as a home infusion therapy or a bridge to cardiac transplant. Concerns about its adverse effects, such as an increased risk of arrhythmias and hypotension, often limit the doses of milrinone used in clinical practice. In addition, milrinone is infrequently used or avoided entirely in patients with acute renal failure or end-stage renal disease because the drug is primarily cleared by renal excretion...
January 2018: Cardiology in Review
https://www.readbyqxmd.com/read/29030210/continuous-cardiac-inotropes-in-patients-with-end-stage-heart-failure-an-evolving-experience
#11
Kasey Malotte, Agafe Saguros, Hunter Groninger
Heart failure experts recommend initiation of continuous inotrope therapy, such as milrinone or dobutamine, for clinically decompensating patients with stage D heart failure. Although originally intended to serve solely as a bridge to more definitive surgical therapies, more and more patients are receiving inotrope therapy for purely palliative purposes. In these cases, questions arise regarding care at the end of life. What criteria determine ongoing clinical benefit? Should the inotrope be continued until death? Should inotrope dosing be increased within recommended guidelines to improve symptoms? What is the role of inotropes in hospice care? Here, we describe such a case as a springboard to contemplate the evolving role of inotrope therapies and how hospice and palliative providers may interface with this rapidly developing face of advanced heart failure care...
October 10, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28959341/expression-of-recombinant-phosphodiesterases-3a-and-3b-using-baculovirus-expression-system
#12
Yongmin Yan, Wenqian Jiang, Jingwen Liu, Wenrong Xu, Hui Qian
BACKGROUND: Phosphodiesterase 3A (PDE3A) and phosphodiesterase 3B (PDE3B) play a critical role in the regulation of intracellular level of adenosine 3´,5´-cyclic monophosphate (cyclic AMP, cAMP) and guanosine 3´,5´-cyclic monophosphate (cyclic GMP, cGMP). Subsequently PDE3 inhibitors have shown to relax vascular and inhibit platelet aggregation in cardiovascular disease. OBJECTIVES: In this study, our aim was to establish a method of expression for the recombinant human PDE3A and PDE3B proteins in insect cells using baculovirus expression system in order to investigate the activity of the expressed PDE3A and PDE3B proteins...
December 2016: Iranian Journal of Biotechnology
https://www.readbyqxmd.com/read/28956512/higher-dose-intra-arterial-milrinone-and-intra-arterial-combined-milrinone-nimodipine-infusion-as-a-rescue-therapy-for-refractory-cerebral-vasospasm
#13
Enes Duman, Fatma Karakoç, H Ulas Pinar, Rafi Dogan, Ali Fırat, Erkan Yıldırım
Background Cerebral vasospasm (CV) is a major cause of delayed morbidity and mortality in patients with subarachnoid hemorrhage (SAH). Various cerebral protectants have been tested in patients with aneurysmal SAH. We aimed to research the success rate of treatment of CV via intra-arterial milrinone injection and aggressive pharmacological therapy for refractory CV. Methods A total of 25 consecutive patients who received intra-arterial milrinone and nimodipine treatment for CV following SAH between 2014 and 2017 were included in the study...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28925895/cardiovascular-drug-therapy-for-human-newborn-review-of-pharmacodynamic-data
#14
Ebru Ergenekon, Héctor Rojas-Anaya, María Carmen Bravo, Charalampos Kotidis, Liam Mahoney, Heike Rabe
BACKGROUND: Circulatory failure in preterm and term newborn infants is commonly treated with inotropes or vasoactive medications. In this structured literature review, the available data on pharmacodynamic effects of the inotropes adrenaline, dobutamine, dopamine, levosimendan, milrinone, noradrenaline, and the vasoactive drugs vasopressin and hydrocortisone are presented. METHODS: Structured searches were conducted to identify relevant articles according to pre-defined inclusion criteria which were human clinical trials published after 2000...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28913740/temporary-mechanical-circulatory-support-for-cardiogenic-shock
#15
REVIEW
Jean Touchan, Maya Guglin
Cardiogenic shock is a life-threatening presentation of severe heart failure with high morbidity and mortality. Given the modest increased in cardiac output and neutral/negative survival benefits with today's available inotropes (namely, dobutamine and milrinone), the use of mechanical circulatory support (MCS) has increased dramatically over the past 2 decades. In this review article, we discuss the physiologic concept, clinical evidence of benefit, and current use and indications/potential complications of the four most commonly used devices for MCS: intra-aortic balloon pump, Impella percutaneous ventricular assist device, TandemHeart, and extracorporeal membrane oxygenation (ECMO)...
September 14, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28873333/role-of-echocardiography-in-reducing-shock-reversal-time-in-pediatric-septic-shock-a-randomized-controlled-trial
#16
Ahmed A El-Nawawy, Aly M Abdelmohsen, Hadir M Hassouna
OBJECTIVE: To evaluate the role of echocardiography in reducing shock reversal time in pediatric septic shock. METHODS: A prospective study conducted in the pediatric intensive care unit of a tertiary care teaching hospital from September 2013 to May 2016. Ninety septic shock patients were randomized in a 1:1 ratio for comparing the serial echocardiography-guided therapy in the study group with the standard therapy in the control group regarding clinical course, timely treatment, and outcomes...
September 3, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28871063/intra-arterial-milrinone-may-differentiate-fulminant-rcvs-from-vasculitis
#17
Michelle Laneuville, Joy Ding, Michel Shamy, Cheemun Lum, Dar Dowlatshahi
No abstract text is available yet for this article.
September 5, 2017: Neurology
https://www.readbyqxmd.com/read/28837343/a-novel-milrinone-nanoformulation-for-use-in-cardiovascular-diseases-preparation-and-in-vitro-characterization
#18
Nikita Lomis, Francis Gaudreault, Meenakshi Malhotra, Susan Westfall, Dominique Shum-Tim, Satya Prakash
Cardiovascular diseases are the leading causes of mortality across the globe. Over the years, various drug formulations and delivery methods have been tested, for cardiac repair. Milrinone (MRN) is a widely known cardiac inotrope drug, used for the treatment of congestive heart failure in patients, however, its efficacy is limited. This study is the first to report the design of a novel MRN-nanoformulation using human serum albumin nanoparticles (HSA-NPs). The HSA-NPs exhibit promising drug delivery characteristics such as target specificity, non-immunogenicity, biocompatibility, and enhanced bioavailability...
August 24, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28793822/dose-response-head-to-head-comparison-of-inodilators-dobutamine-milrinone-and-levosimendan-in-chronic-experimental-pulmonary-hypertension
#19
Marta Tavares-Silva, Mohamed Alaa, Sara Leite, José Oliveira-Pinto, Lucas Lopes, Adelino F Leite-Moreira, André P Lourenço
The choice of inodilator drug in the acute management of patients with pulmonary hypertension (PH) having right ventricular (RV) failure remains unsettled and challenging. Comprehensive experimental evaluations may provide further insight and fundamental translational research clues to support inodilator selection and clinical trial design. Our aim was to compare acute dose-response hemodynamic effects of inodilators dobutamine (DOB), milrinone (MIL), and levosimendan (LEV) in chronic experimental PH. Seven-week-old male Wistar rats were randomly injected with 60 mg·kg(-1) monocrotaline (MCT) or vehicle (Ctrl, n = 7) and underwent systemic and pulmonary artery (PA) pressure and RV pressure-volume (PV) hemodynamic evaluation under halogenate anesthesia 24 to 30 days after injection...
September 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28782710/use-of-nebulized-milrinone-in-cardiac-surgery-comparison-of-vibrating-mesh-and-simple-jet-nebulizers
#20
Paul Gavra, Maxime Laflamme, André Y Denault, Yves Théoret, Louis P Perrault, France Varin
Cardiopulmonary bypass triggers an ischemia-reperfusion injury with endothelial dysfunction in the pulmonary circulation which can result in pulmonary hypertension. Inhaled milrinone reduces this reperfusion phenomenon and two methods commonly available for administering it are simple jet and vibrating mesh nebulizations. However, neither their generated milrinone particle size profiles, nor their ability to aid endothelial relaxation have been compared. Simple jet and vibrating mesh particle size distributions of milrinone were verified through cascade impaction and their efficacy was tested on a cardiopulmonary bypass (CPB) swine model...
October 2017: Pulmonary Pharmacology & Therapeutics
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