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https://www.readbyqxmd.com/read/29661441/clinical-evolution-of-patients-using-ventricular-assist-devices-as-a-bridge-for-transplantation
#1
V Cestari, V L Pessoa, J D de Souza Neto, T Moreira, R Florêncio, G G de Vasconcelos, L Souza, A Braga, M G Sobral
OBJECTIVE: To evaluate the clinical evolution of patients with implantation of ventricular assist device (VAD) and identify the intervening factors for death. METHODS: This analytical, retrospective study was carried out in a public reference hospital in cardiopulmonary diseases located in northeastern Brazil. The study population encompassed the medical records of 16 patients who underwent VAD implantation. Data collection took place from January to August 2016, through the consultation of medical records...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29658908/reply-to-dobutamine-and-its-haemodynamic-effects-in-pleural-effusion
#2
Kristian B Wemmelund, Peter Juhl-Olsen, Erik Sloth
No abstract text is available yet for this article.
January 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29658907/dobutamine-and-its-haemodynamic-effects-in-pleural-effusion
#3
Hilary P Grocott, Eric Jacobsohn
No abstract text is available yet for this article.
January 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29644942/postnatal-undernutrition-in-mice-causes-cardiac-arrhythmogenesis-which-is-exacerbated-when-pharmacologically-stressed
#4
J R Visker, D P Ferguson
Growth restriction caused by postnatal undernutrition increases risk for cardiovascular disease in adulthood with the potential to induce arrhythmogenesis. Thus, the purpose was to determine if undernutrition during development produced arrhythmias at rest and when stressed with dobutamine in adulthood. Mouse dams were fed (CON: 20% protein), or low-protein (LP: 8%) diet before mating. A cross-fostering model was used where pups nursed by dams fed LP diet in early [EUN; postnatal day (PN) 1-10], late (LUN; PN11-21) and whole (PUN; 1-21) phases of postnatal life...
April 12, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29625916/agreement-between-invasive-blood-pressures-measured-in-three-peripheral-arteries-in-anaesthetized-horses-under-clinical-conditions
#5
Keely A T Wilson, Anthea L Raisis, Eleanor A Drynan, Guy D Lester, Giselle L Hosgood
OBJECTIVE: To determine agreement between invasive blood pressures measured in three peripheral arteries in anaesthetized horses undergoing elective surgery. STUDY DESIGN: Prospective balanced incomplete block design. ANIMALS: A total of 18 client-owned horses. METHODS: Invasive blood pressure (IBP) was measured simultaneously in one of the following three combinations: 1) transverse facial and facial artery; 2) transverse facial and metatarsal artery; and 3) facial and metatarsal artery...
January 17, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29622414/-impact-of-screening-and-treatment-of-low-systemic-blood-flow-in-the-prevention-of-severe-intraventricular-haemorrhage-and-or-death-in-pre-term-infants
#6
Ignacio Oulego Erroz, Paula Alonso Quintela, Aquilina Jiménez Gonzalez, Sandra Terroba Seara, Silvia Rodríguez Blanco, María Rosón Varas, Leticia Castañón López
OBJECTIVE: To assess the effect of a protocolised intervention for low systemic blood flow (SBF) in the occurrence of severe intraventricular haemorrhage (IVH) or death in pre-term infants. METHODS: A study with a quasi-experimental design with retrospective controls was conducted on pre-term infants of less than 30weeks of gestational age, born between January 2016 and July 2017, who were consecutively included in the intervention period. The control cohort included pre-term infants (born between January 2013 and December 2015) matched by gestational age, birth weight, and gender (two controls for each case)...
April 2, 2018: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29617762/pressure-gradient-vs-flow-relationships-to-characterize-the-physiology-of-a-severely-stenotic-aortic-valve-before-and-after-transcatheter-valve-implantation
#7
Nils P Johnson, Jo M Zelis, Pim A L Tonino, Patrick Houthuizen, R Arthur Bouwman, Guus R G Brueren, Daniel T Johnson, Jacques J Koolen, Hendrikus H M Korsten, Inge F Wijnbergen, Frederik M Zimmermann, Richard L Kirkeeide, Nico H J Pijls, K Lance Gould
Aims: Echocardiography and tomographic imaging have documented dynamic changes in aortic stenosis (AS) geometry and severity during both the cardiac cycle and stress-induced increases in cardiac output. However, corresponding pressure gradient vs. flow relationships have not been described. Methods and results: We recruited 16 routine transcatheter aortic valve implantations (TAVI's) for graded dobutamine infusions both before and after implantation; 0.014″ pressure wires in the aorta and left ventricle (LV) continuously measured the transvalvular pressure gradient (ΔP) while a pulmonary artery catheter regularly assessed cardiac output by thermodilution...
April 2, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29611347/activation-of-the-sympathetic-nervous-system-suppresses-mouse-white-adipose-tissue-hyperplasia-through-the-%C3%AE-1-adrenergic-receptor
#8
Mary K Schneider, Bingzhong Xue, Hang Shi
Adipose tissue (AT) expands via both hypertrophy and hyperplasia during the development of obesity. While AT hypertrophy involves the increase in size of existing adipocytes, hyperplasia is the process of creating new adipocytes from the pool of adipocyte precursor cells (APCs), which includes adipocyte progenitor cells and preadipocytes. Prior studies have implicated a role of the sympathetic nervous system (SNS) in regulation of hyperplasia in white adipose tissue (WAT). Here, we aimed to determine the mechanisms underlying SNS regulation of APC proliferation in mouse WAT...
April 2018: Physiological Reports
https://www.readbyqxmd.com/read/29602841/effect-of-levosimendan-on-mortality-in-severe-sepsis-and-septic-shock-a-meta-analysis-of-randomised-trials
#9
Wei Chang, Jian-Feng Xie, Jing-Yuan Xu, Yi Yang
OBJECTIVE: We aim to synthesise up-to-date randomised trials to investigate the effects of levosimendan on mortality and clinical outcomes in severe sepsis and septic shock. METHODS: A collection of databases including PubMed, EMBASE, Cochrane Central Register and Web of Science were searched updated to August 2017. Randomised trials were included when they pertain to the use of levosimendan in severe sepsis or septic shock compared with any category of inotropes, or as an adjunct to standard therapy with mortality reported...
March 30, 2018: BMJ Open
https://www.readbyqxmd.com/read/29602248/consequences-of-an-early-catheter-based-intervention-on-pulmonary-artery-growth-and-right-ventricular-myocardial-function-in-a-pig-model-of-pulmonary-artery-stenosis
#10
Melissa L Bates, Petros V Anagnostopoulos, Cole Nygard, Jenna Torgeson, Jamie Reichert, Csaba Galambos, Marlowe W Eldridge, Luke J Lamers
OBJECTIVE: To determine the consequences of an early catheter-based intervention on pulmonary artery (PA) growth and right ventricular (RV) myocardial function in an animal model of branch PA stenosis. BACKGROUND: Acute results and safety profiles of deliberate stent fracture within the pulmonary vasculature have been demonstrated. The long-term impact of early stent intervention and deliberate stent fracture on PA growth and myocardial function is not understood...
March 30, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29594318/adrenal-crisis-after-first-infusion-of-zoledronic-acid-a-case-report
#11
M Smrecnik, Z Kavcic Trsinar, T Kocjan
Patients with Addison's disease are at greater risk of having reduced bone mineral density and hip fractures and are thus more likely to receive a bisphosphonate than their peers. Potent intravenous bisphosphonates could provoke an acute phase reaction. An 80-year-old female with Addison's disease received her first infusion of zoledronic acid for osteoporosis at our outpatient clinic around noon. Despite doubling her usual afternoon hydrocortisone dose, she became feverish, nauseous, extremely weak, and hypotensive over the night...
March 28, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29594157/use-of-nasotracheal-intubation-during-general-anesthesia-in-two-ponies-with-tracheal-collapse
#12
Keila K Ida, Aurélie Sauvage, Alexandra Gougnard, Magda Grauwels, Didier Serteyn, Charlotte Sandersen
Ponies with tracheal collapse may have an increased anesthetic risk due to airway obstruction during induction and recovery. To our knowledge, there are no anesthetic descriptions of these patients, despite a reported 5.6% incidence and 77% mortality rate. Two Shetland ponies with tracheal collapse, a 12-year-old male (pony 1) and a 27-year-old female (pony 2), were referred for right eye enucleation due to a perforating corneal ulcer and severe recurrent uveitis, respectively. Pony 1 was stressed, had lung stridor and hyperthermia, and developed inspiratory dyspnea with handling...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29574681/effect-of-goal-directed-haemodynamic-therapy-in-free-flap-reconstruction-for-head-and-neck-cancer
#13
H J Kim, E J Kim, H J Lee, J Y Min, T W Kim, E C Choi, W S Kim, B-N Koo
BACKGROUND: In free flap reconstruction for head and neck cancer, achieving a haemodynamic target using excessive fluid infusion is associated with decreased flap survival rates and extended hospital stays. We hypothesized that goal-directed haemodynamic therapy would improve flap survival rates and shorten hospitalization periods. METHODS: Patients scheduled for free flap reconstruction were randomly assigned to a goal-directed haemodynamic therapy group (n = 31) or a conventional haemodynamic therapy control group (n = 31)...
March 25, 2018: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29572249/take-home-messages-with-cases-from-focused-update-on-echocardiographic-assessment-of-aortic-stenosis
#14
REVIEW
Judy Hung, Sheila Liu Klassen, Javier Bermejo, John Boyd Chambers
Echocardiography plays an important role in the assessment of valvular aortic stenosis. Updated recommendations focusing on a stepwise approach to evaluating aortic stenosis have recently been published by the European Association of Cardiovascular Imaging and the American Society of Echocardiography. This review uses illustrative cases to demonstrate technical aspects of aortic stenosis assessment and use of the new proposed classification scheme for aortic stenosis. Key points from the updated recommendations reviewed in this paper are: (1) technical considerations and sources of error in measurement of peak velocity, mean aortic valve gradient and aortic valve area by continuity equation...
March 23, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29566813/low-flow-low-gradient-aortic-stenosis-tavr-in-dobutamine-stress-echocardiography-out
#15
EDITORIAL
Philippe Généreux
No abstract text is available yet for this article.
March 27, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29566812/transcatheter-aortic-valve-replacement-in-patients-with-low-flow-low-gradient-aortic-stenosis-the-topas-tavi-registry
#16
Henrique Barbosa Ribeiro, Stamatios Lerakis, Martine Gilard, João L Cavalcante, Raj Makkar, Howard C Herrmann, Stephan Windecker, Maurice Enriquez-Sarano, Asim N Cheema, Luis Nombela-Franco, Ignacio Amat-Santos, Antonio J Muñoz-García, Bruno Garcia Del Blanco, Alan Zajarias, John C Lisko, Salim Hayek, Vasilis Babaliaros, Florent Le Ven, Thomas G Gleason, Tarun Chakravarty, Wilson Y Szeto, Marie-Annick Clavel, Alberto de Agustin, Vicenç Serra, John T Schindler, Abdellaziz Dahou, Rishi Puri, Emilie Pelletier-Beaumont, Melanie Côté, Philippe Pibarot, Josep Rodés-Cabau
BACKGROUND: Few data exist on patients with low-flow, low-gradient aortic stenosis (LFLG-AS) undergoing transcatheter aortic valve replacement (TAVR). Also, very scarce data exist on the usefulness of dobutamine stress echocardiography (DSE) before TAVR in these patients. OBJECTIVES: The authors sought to evaluate clinical outcomes and changes in left ventricular ejection fraction (LVEF) following TAVR in patients with classical LFLG-AS. METHODS: This multicenter registry included 287 patients with LFLG-AS undergoing TAVR...
March 27, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29563512/the-role-of-diacylglycerol-acyltransferase-dgat-1-and-2-in-cardiac-metabolism-and-function
#17
Nathan D Roe, Michal K Handzlik, Tao Li, Rong Tian
It is increasingly recognized that synthesis and turnover of cardiac triglyceride (TG) play a pivotal role in the regulation of lipid metabolism and function of the heart. The last step in TG synthesis is catalyzed by diacylglycerol:acyltransferase (DGAT) which esterifies the diacylglycerol with a fatty acid. Mammalian heart has two DGAT isoforms, DGAT1 and DGAT2, yet their roles in cardiac metabolism and function remain poorly defined. Here, we show that inactivation of DGAT1 or DGAT2 in adult mouse heart results in a moderate suppression of TG synthesis and turnover...
March 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29561991/an-alternative-method-to-calculate-simplified-projected-aortic-valve-area-at-normal-flow-rate
#18
Joana Sofia Silva Moura Ferreira, Nádia Moreira, Rita Ferreira, Sofia Mendes, Rui Martins, Maria João Ferreira, Mariano Pego
BACKGROUND: Simplified projected aortic valve area (EOAproj) is a valuable echocardiographic parameter in the evaluation of low flow low gradient aortic stenosis (LFLG AS). Its widespread use in clinical practice is hampered by the laborious process of flow rate (Q) calculation. OBJETIVE: This study proposes a less burdensome, alternative method of Q calculation to be incorporated in the original formula of EOAproj and measures the agreement between the new proposed method of EOAproj calculation and the original one...
February 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29541613/recent-updates-on-echocardiography-and-ultrasound-for-kawasaki-disease-beyond-the-coronary-artery
#19
REVIEW
Nobutaka Noto, Akiko Komori, Mamoru Ayusawa, Shori Takahashi
Kawasaki disease (KD) is a systemic vasculitis with a predilection for damage to the coronary arteries. In the acute phase, clinical decision making for KD relies on the measurements of the coronary z-score obtained by 2-dimensional echocardiography (2DE). In the convalescent phase, KD patients with coronary artery abnormalities (CAAs) eventually show arteriosclerotic vascular remodeling characterized by marked intimal proliferation and neoangiogenesis after KD vasculitis, which often induces myocardial ischemia...
February 2018: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29538053/prevention-of-low-cardiac-output-syndrome-after-pediatric-cardiac-surgery-a-double-blind-randomized-clinical-pilot-study-comparing-dobutamine-and-milrinone
#20
Anna Cavigelli-Brunner, Maja I Hug, Hitendu Dave, Oskar Baenziger, Christoph Buerki, Dominique Bettex, Vincenzo Cannizzaro, Christian Balmer
OBJECTIVES: Dobutamine and milrinone are commonly used after open-heart surgery to prevent or treat low cardiac output syndrome. We sought to compare efficacy and safety of these drugs in pediatric patients. DESIGN: Prospective, single-center, double-blinded, randomized clinical pilot study. SETTING: Tertiary-care university children's hospital postoperative pediatric cardiac ICU. PATIENTS: After written consent, 50 consecutive patients (age, 0...
March 13, 2018: Pediatric Critical Care Medicine
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