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https://www.readbyqxmd.com/read/28438820/use-of-an-argatroban-based-purge-solution-in-a-percutaneous-ventricular-assist-device
#1
Benjamin Laliberte, Brent N Reed
PURPOSE: The use of an argatroban-based percutaneous ventricular assist device (pVAD) purge solution in a patient with suspected heparin-induced thrombocytopenia (HIT) is described. SUMMARY: A 70-year-old woman in cardiogenic shock was admitted to a coronary care unit after being discovered unresponsive at home. A transthoracic echocardiogram revealed a low ejection fraction and findings consistent with takotsubo cardiomyopathy. Administration of multiple inotropes and vasopressors was initially required for hemodynamic support...
May 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28437860/chronic-inhibition-of-fatty-acid-amide-hydrolase-by-urb597-produces-differential-effects-on-cardiac-performance-in-normotensive-and-hypertensive-rats
#2
Anna Pedzinska-Betiuk, Jolanta Weresa, Marek Toczek, Marta Baranowska-Kuczko, Irena Kasacka, Ewa Harasim-Symbor, Barbara Malinowska
BACKGROUND AND PURPOSE: Fatty acid amide hydrolase (FAAH) inhibitors are postulated to possess anti-hypertensive potential, because their acute injection decreases blood pressure (BP) in spontaneously hypertensive rats (SHR) partially through normalization of cardiac contractile function. Here, we examined whether the potential hypotensive effect of chronic FAAH inhibition by URB597 in hypertensive rats correlates with changes in cardiac performance. EXPERIMENTAL APPROACH: Experiments were performed using perfused hearts and left atria isolated from 8-10 week old SHR, age-matched deoxycorticosterone acetate (DOCA-salt) rats and normotensive controls chronically treated with URB597 (1 mg kg(-1) ) or vehicle...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437372/heart-rate-modification-of-cardiac-output-following-cardiac-surgery-the-importance-of-cardiac-time-intervals
#3
Guido Tavazzi, Andy Kontogeorgis, Fabio Guarracino, Niels Bergsland, Ana Martinez-Naharro, John Pepper, Susanna Price
OBJECTIVES: Inadequate cardiac output is associated with a poor outcome following cardiac surgery and is generally modified by the use of positive inotropic agents, volume resuscitation, and pacing. Echocardiography-guided pacemaker optimization is used in the outpatient setting, using different variables including total isovolumic time and the Tei index. We sought to determine the acute impact of heart rate on cardiac electromechanics, cardiac output, and stroke volume in the perioperative setting...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28435092/-terpinen-4-ol-changes-intracellular-ca-2-handling-and-induces-pacing-disturbance-in-rat-hearts
#4
Antonio Nei Santana Gondim, Aline Lara, Artur Santos-Miranda, Danilo Roman-Campos, Sandra Lauton-Santos, José Evaldo Rodrigues Menezes-Filho, Carla Maria Lins de Vasconcelos, Eduardo Antonio Conde-Garcia, Silvia Guatimosim, Jader S Cruz
(-)-Terpinen-4-ol is a naturally occurring plant monoterpene and has been shown to have a plethora of biological activities. The objective of this study was to investigate the effects of (-)-terpinen-4-ol on the rat heart, a key player in the control and maintenance of arterial blood pressure. The effects of (-)-terpinen-4-ol on the rat heart were investigated using isolated left atrium isometric force measurements, in vivo electrocardiogram (ECG) recordings, patch clamp technique, and confocal microscopy. It was observed that (-)-terpinen-4-ol reduced contraction force in an isolated left atrium at millimolar concentrations...
April 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28434547/stress-dose-corticosteroid-versus-placebo-in-neonatal-cardiac-operations-a-randomized-controlled-trial
#5
Pertti K Suominen, Juho Keski-Nisula, Tiina Ojala, Paula Rautiainen, Timo Jahnukainen, Johanna Hästbacka, Pertti J Neuvonen, Olli Pitkänen, Jussi Niemelä, Anu Kaskinen, Jukka Salminen, Risto Lapatto
BACKGROUND: Corticosteroids can improve the hemodynamic status of neonates with postoperative low cardiac output syndrome after cardiac operations. This study compared a prophylactically administered stress-dose corticosteroid (SDC) regimen against placebo on inflammation, adrenocortical function, and hemodynamic outcome. METHODS: Forty neonates undergoing elective open heart operations were randomized into two groups. The SDC group received perioperatively 2 mg/kg methylprednisolone, and 6 hours after the operation, a hydrocortisone infusion (0...
April 20, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28433581/therapeutic-burst-suppression-coma-in-pediatric-febrile-refractory-status-epilepticus
#6
Jainn-Jim Lin, Cheng-Che Chou, Shih-Yun Lan, Hsiang-Ju Hsiao, Yu Wang, Oi-Wa Chan, Shao-Hsuan Hsia, Huei-Shyong Wang, Kuang-Lin Lin
BACKGROUND: Evidence for the beneficial effect of therapeutic burst-suppression coma in pediatric patients with febrile refractory status epilepticus is limited, and the clinical outcomes of this treatment strategy are largely unknown. Therefore, the aim of this study was to explore the outcomes of therapeutic burst-suppression coma in a series of children with febrile refractory status epilepticus. METHODS: We retrospectively reviewed consecutive pediatric patients with febrile refractory status epilepticus admitted to our pediatric intensive care unit between January 2000 and December 2013...
April 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28432103/morphology-and-cardiac-physiology-are-differentially-affected-by-temperature-in-developing-larvae-of-the-marine-fish-mahi-mahi-coryphaena-hippurus
#7
Prescilla Perrichon, Christina Pasparakis, Edward M Mager, John D Stieglitz, Daniel D Benetti, Martin Grosell, Warren W Burggren
Cardiovascular performance is altered by temperature in larval fishes, but how acute vs. chronic temperature exposures independently affect cardiac morphology and physiology in the growing larva is poorly understood. Consequently, the influence of water temperature on cardiac plasticity was investigated in developing mahi-mahi. Morphological (e.g. standard length, heart angle) and physiological cardiac variables (e.g. heart rate fH, stroke volume, cardiac output) were recorded under two conditions by imaging: i) under acute temperature exposure where embryos were reared at 25°C up to 128 hours post-fertilization (hpf) and then acutely exposed to 25° (rearing temperature), 27° and 30°C; ii) at two rearing (chronic) temperatures of 26° and 30°C and performed at 32 and 56 hpf...
April 21, 2017: Biology Open
https://www.readbyqxmd.com/read/28430759/evaluation-of-guidelines-for-injured-children-at-high-risk-for-venous-thromboembolism-a-prospective-observational-study
#8
Rachel M Landisch, Sheila J Hanson, Laura D Cassidy, Kristin Braun, Rowena C Punzalan, David M Gourlay
BACKGROUND: Pharmacologic prophylaxis for venous thromboembolism (VTE) is a widely accepted practice in adult trauma patients to prevent associated morbidity and mortality. However, VTE prophylaxis has not been standardized in injured pediatric patients. Our institution identified factors potentially associated with a high risk of VTE in critically injured children that led to prospective implementation of VTE prophylaxis guidelines. We hypothesize that the guidelines are accurate in predicting children at risk for VTE...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28428483/a-retrospective-study-of-anesthesia-for-subcutaneous-ureteral-bypass-placement-in-cats-27-cases
#9
Geneviève C Luca, Beatriz P Monteiro, Marilyn Dunn, Paulo Vm Steagall
The goals of this retrospective clinical case series study were to describe the management of anesthesia, and to report perioperative complications in cats undergoing subcutaneous ureteral bypass (SUB) placement due to ureteral obstruction. Medical records of client-owned cats with ureteral obstruction and anesthetized for SUB placement between 2012 and 2015 in a veterinary teaching hospital were reviewed. Twenty-seven cases were identified. Duration of anesthesia and surgery (mean ± standard deviation) were 215 ± 42 min and 148 ± 36 min, respectively...
April 20, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28428252/low-frequency-blood-pressure-oscillations-and-inotrope-treatment-failure-in-premature-infants
#10
Zachary Andrew Vesoulis, Jessica Hao, Christopher McPherson, Nathalie El Ters, Amit M Mathur
BACKGROUND: The underlying mechanism as to why some hypotensive preterm infants do not respond to inotropic medications remains unclear. For these infants, we hypothesize that impaired vasomotor function is a significant factor and is manifested through a decrease in low-frequency blood pressure variability across regulatory components of vascular tone. METHODS: Infants born 28 weeks estimated gestational age underwent prospective recording of mean arterial blood pressure (MABP) for 72h after birth...
April 20, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28427403/preoperative-carbohydrate-load-and-intraoperatively-infused-omega-3-polyunsaturated-fatty-acids-positively-impact-nosocomial-morbidity-after-coronary-artery-bypass-grafting-a-double-blind-controlled-randomized-trial
#11
Gibran Roder Feguri, Paulo Ruiz Lúcio de Lima, Danilo de Cerqueira Borges, Laura Ramos Toledo, Larissa Nadaf Batista, Thaís Carvalho E Silva, Neuber José Segri, José Eduardo de Aguilar-Nascimento
BACKGROUND: A strategy of limited preoperative fasting, with carbohydrate (CHO) loading and intraoperative infusion of omega-3 polyunsaturated fatty acids (ω-3 PUFA), has seldom been tried in cardiovascular surgery. Brief fasting, followed by CHO intake 2 h before anesthesia, may improve recovery from CABG procedures and lower perioperative vasoactive drug requirements. Infusion of ω-3 PUFA may reduce occurrences of postoperative atrial fibrillation (POAF) and shorten hospital stays...
April 20, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28409751/early-extubation-failure-in-very-low-birth-weight-infants-clinical-outcomes-and-predictive-factors
#12
K Al-Hathlol, N Bin Saleem, M Khawaji, S Al Saif, I Abdelhakim, B Al-Hathlol, E Bazbouz, Q Al Anzi, A Al-Essa
OBJECTIVE: To identify the clinical outcomes and the potential predictive factors of early extubation failure (EEF) in very low birth weight (VLBW) infants. METHODS: A retrospective study of VLBW infants admitted to the neonatal intensive care unit (NICU) over five years. Neonates were intubated and mechanically ventilated on the first day of life, and early extubated within the first 3 days. EEF was defined as the need for re-intubation within 3 days of the first extubation...
April 8, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28408931/drug-induced-pneumonitis-secondary-to-treatment-with-paritaprevir-ritonavir-ombitasvir-and-dasabuvir-viekira-pak%C3%A2-for-chronic-hepatitis-c-case-report-of-an-unexpected-life-threatening-adverse-reaction
#13
Shih Yea Sylvia Wu, Bridget Faire, Edward Gane
VIEKIRA PAK (ritonavir-boosted paritaprevir/ombitasvir and dasabuvir) is an approved treatment for compensated patients with genotype 1 (GT1) chronic hepatitis C virus (HCV) infection. This oral regimen has minimal adverse effects and is well tolerated. Cure rates are 97% in patients infected with HCV GT 1a and 99% in those with HCV GT 1b. We report the first case of life-threatening allergic pneumonitis associated with VIEKIRA PAK. This unexpected serious adverse event occurred in a 68-year-old Chinese female with genotype 1b chronic hepatitis C and Child-Pugh A cirrhosis...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28407819/-association-between-fluid-overload-and-acute-renal-injury-after-congenital-heart-disease-surgery-in-infants
#14
De-Qiang Luo, Zi-Li Chen, Wei Dai, Feng Chen
OBJECTIVE: To study the association between fluid overload and acute kidney injury (AKI) after congenital heart disease surgery in infants. METHODS: A retrospective analysis was performed on 88 infants aged less than 6 months who underwent a radical surgery for congenital heart disease. The treatment outcomes were compared between the infants with AKI after surgery and those without. The effect of cumulative fluid overload on treatment outcomes 2 days after surgery was analyzed...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28405241/design-and-synthesis-of-a-new-steroid-macrocyclic-derivative-with-biological-activity
#15
Maria López-Ramos, Lauro Figueroa-Valverde, Socorro Herrera-Meza, Marcela Rosas-Nexticapa, Francisco Díaz-Cedillo, Elodia García-Cervera, Eduardo Pool-Gómez, Regina Cahuich-Carrillo
The aims of this study were to evaluate the positive inotropic effect of a new macrocyclic derivative (compound 11) and characterize the molecular mechanism involved in its biological activity. The first step was achieved by synthesis of a macrocyclic derivative involving a series of reactions for the preparation of several steroid derivatives such as (a) steroid-pyrimidinone (3 and 4), (b) steroid-amino (5), (c) steroid-imino (6), (d) ester-steroid (7 and 8), and (e) amido-steroid (9 and 10). Finally, 11 was prepared by removing the tert-butyldimethylsilane fragment of 10...
April 2017: Journal of Chemical Biology
https://www.readbyqxmd.com/read/28398692/seven-versus-10-days-antibiotic-therapy-for-culture-proven-neonatal-sepsis-a-randomised-controlled-trial
#16
Smriti Rohatgi, Pooja Dewan, Mohammad Moonis Akbar Faridi, Ashwani Kumar, Rajeev Kumar Malhotra, Prerna Batra
AIM: Optimal duration of parenteral antibiotics for treating neonatal sepsis ranges from 7-14 days. We compared the efficacy of 7 versus 10 days duration of intravenous antibiotics for neonatal septicaemia. METHODS: We randomised blood culture-proven septic neonates (≥32 weeks and birth weight ≥1.5 kg) to receive either 7 or 10 days duration of intravenous antibiotics. We followed up neonates upto 28 days after stopping antibiotics for treatment failure defined by reappearance of clinical sepsis with a blood culture growing the same organism as cultured earlier, or in the absence of a positive culture, the presence of C-reactive protein and as adjudicated by an expert committee...
April 11, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28393781/comparison-of-levosimendan-versus-dobutamine-in-patients-with-moderate-to-severe-left-ventricular-dysfunction-undergoing-off-pump-coronary-artery-bypass-grafting-a-randomized-prospective-study
#17
Ashok Kandasamy, Hariharan Antony Simon, P Murthy, Mahalakshmi Annadurai, Mushkath Mohamed Ali, Gayathri Ramanathan
CONTEXT: Recent upsurge in referral of patients with compromised left ventricular (LV) function for cardiac surgery has led to an increasing use inotropes to achieve improvement of tissue perfusion in the perioperative period. AIMS AND OBJECTIVES: To compare the hemodynamic effects and immediate postoperative outcomes with levosimendan and dobutamine in patients with moderate to severe LV dysfunction undergoing off-pump coronary artery bypass grafting (OPCAB). SETTINGS AND DESIGN: University teaching hospital, randomized control study...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28393780/does-sleep-quality-affects-the-immediate-clinical-outcome-in-patients-undergoing-coronary-artery-bypass-grafting-a-clinico-biochemical-correlation
#18
Minati Choudhury, Anushree Gupta, Milind P Hote, Poonam Malhotra Kapoor, Sandeep Khanna, M V Kalaivani, Usha Kiran
OBJECTIVE: Poor sleep quality is emerging as high prevalence among the patients suffering from cardiometabolic disturbances. The vascular polypeptide endothelin 1 (ET-1) is involved in many of the health disorders. However, its potential involvement in patients having poor sleep quality along with cardiovascular problem is limited. The present study was formulated to conduct a prospective analysis of the relationship between ET-1 and in hospital outcome in sleep disorder patients undergoing routine coronary artery bypass grafting (CABG)...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28389603/the-impact-of-ryr2-potentiation-on-myocardial-function
#19
Elena Lascano, Jorge A Negroni, Martin Vila Petroff, Alicia Mattiazzi
This perspective attempts to shed light on an old and not yet solved controversy in cardiac physiology, i.e. the impact of increasing RyR2 open probability on myocardial function. Based on an already proved myocyte model, it is shown that increasing RyR2 open probability results in a purely short-lived increase in Ca(2+) transient amplitude, and therefore it does not increase cardiac contractility. However, potentiation of RyR2 activity permanently enhances fractional Ca(2+) release, shifting the intracellular Ca(2+) transient vs SR Ca(2+) content curve to a new state of higher efficiency...
April 7, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28388489/serial-measures-of-cardiac-performance-using-tissue-doppler-imaging-velocity-in-preterm-infants-29weeks-gestations
#20
Colm R Breatnach, Afif El-Khuffash, Adam James, Naomi McCallion, Orla Franklin
INTRODUCTION: Tissue Doppler imaging (TDI) is a useful marker of myocardial performance in preterm infants. We aimed to demonstrate serial changes in TDI velocity in preterm infants <29weeks gestation, to assess the impact of inotropes and a haemodynamically significant patent ductus arteriosus (hsPDA). METHODS: This was a prospective observational study of preterm infants <29weeks gestation. Echocardiography was performed at days 1, 2, 5-7 and at 36weeks, or before hospital discharge...
April 4, 2017: Early Human Development
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