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Michael Z L Zhu, Andrew Martin, Andrew D Cochrane, Julian A Smith, Amanda G Thrift, Gerard K Harrop, Jennifer P Ngo, Roger G Evans
Background: Acute kidney injury (AKI) is common after cardiac surgery and profoundly affects postoperative mortality and morbidity. There are no validated methods to assess risk of AKI intraoperatively. Methods: We determined the association between postoperative AKI and intraoperative urinary oxygen tension (PO2), measured via a fiber optic probe in the tip of the urinary catheter, in 65 patients undergoing high-risk cardiac surgery requiring cardiopulmonary bypass (CPB)...
March 14, 2018: Nephrology, Dialysis, Transplantation
Faisal Junejo, Mohammad Irfan Akhtar, Mohammad Hamid, Syed Shabbir Ahmed, Fauzia Minai, Muneer Amanullah
OBJECTIVE: To compare the intravenous boluses and intravenous continuous infusion of tranexamic acid (TXA) to reduce postoperative bleeding in cyanotic congenital heart disease surgeries. STUDY DESIGN: Single-blinded randomised clinical trial. PLACE AND DURATION OF STUDY: Anaesthesia Department, The Aga Khan University Hospital, Karachi, from July 2016 to April 2017. METHODOLOGY: Sixty patients of cyanotic congenital heart disease, undergoing either palliative or corrective surgery involving cardiopulmonary bypass (CPB), were recruited...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Juliet Chhay Bishop, Karin Blakemore, Luca Vricella, Priya Sekar, Katelynn Sagaser, Jude Crino, Paul Ness, Benjamin K Kogutt, Joan Boyd, Susan Aucott, Angie C Jelin, Joanne Chiu, Eric Gehrie, Kristen Nelson McMillan
Compared to standard component therapy, fresh whole blood (FWB) offers potential benefits to neonates undergoing cardiopulmonary bypass (CPB) in the context of open cardiac surgery: decreased blood loss and subsequent risk of volume overload, improved coagulation status, higher platelet counts during and following CPB, circumvention of limited vascular access, and significantly reduced donor exposures. Obtaining FWB, however, entails 2-5 days of preparation, which often precludes its availability for neonates requiring CPB in the immediate newborn period...
March 14, 2018: Fetal Diagnosis and Therapy
P K Christova, N K Christov, P V Mladenov, R Imai
Expression of the TaMDC1 in transgenic tomato plants confer resistance to bacterial and fungal pathogens, as well as an insect pest and thus prove in planta function of the wheat cystatin. Cystatins are the polypeptides with cysteine proteinase inhibitory activities. Plant cystatins or phytocystatins are known to contribute to plant resistance against insect pests. Recently, increasing data proved that some of the phytocystatins also have antifungal activities in vitro. Here, we functionally characterized a wheat multidomain cystatin, TaMDC1, using in planta assays...
March 12, 2018: Plant Cell Reports
Matthias Vienne, Emmanuel Haas, Thibaut Wipf, Lelia Grunebaum, François Levy, Laurent Sattler, Tam Hoang Minh, François Severac, Charles Tacquard, Olivier Collange, Paul-Michel Mertes, Annick Steib
BACKGROUND: Anticoagulation during cardiopulmonary bypass (CPB) is usually adapted to total body weight (TBW). This may be inaccurate in obese patients and lead to heparin overdose with a risk of bleeding. OBJECTIVES: To validate the efficacy and safety of an adjusted calculation model of heparin dosing based on ideal body weight (IBW) rather than TBW in obese CPB patients, with an expected target mean plasma heparin concentration of 4.5 IU ml after onset of CPB in the experimental group...
March 7, 2018: European Journal of Anaesthesiology
Farahnaz Eshraghi, Alireza Nezamzadeh-Ejhieh
An efficient Pb(II) adsorbent was prepared by the modification of clinoptilolite nanoparticles (CpN) with ethylenediaminetetraacetic acid (EDTA). Samples were characterized by XRD, FT-IR, SEM, BET, TG-DTG, CHNS analyzer, and energy dispersive analysis X-ray spectroscopy (EDX). The experiments were designed by response surface methodology (RSM) based on central composite design (CCD) that suggested a quadratic model to predict the conditions and the interactions between the variables including adsorbent dosage, removal time, CPb , and its solution pH...
March 8, 2018: Environmental Science and Pollution Research International
Jianzhou Liu, Mei Liang, Guotao Ma, Xingrong Liu, Ninghai Cheng, Dongyan Cao, Chunhua Yu, Shunda Du, Qi Miao, Chaoji Zhang
OBJECTIVES: There are few published studies on the rare disorder of intravenous-cardiac leiomyomatosis (IVCL). This study aimed to propose an individualized strategy for surgical treatment of IVCL. METHODS: In this retrospective study, we reviewed 50 patients who had undergone IVCL removal from November 2002 to October 2017 in our hospital. IVCL was classified as Type A-E according to the extent and size, with Type E being the most severe. Clinical manifestations, surgical features and follow-up data were analysed...
March 3, 2018: European Journal of Cardio-thoracic Surgery
Katrine Bredahl Buggeskov

During conventional cardiopulmonary bypass (CPB) there is no active perfusion of the pulmonary circulation and the mechanical ventilation is ceased leaving the lungs exposed to warm ischemia.
Pulmonary dysfunction is seen in varying degrees after major surgery, but more severe in cardiac surgery patients probably due to the effects of CPB. The evidence for effect and safety are limited, but active pulmonary artery perfusion during CPB could be beneficial for the patients' postoperative oxygenation...
March 2018: Danish Medical Journal
Barış Akça, Nevzat Erdil, Mehmet Cengiz Colak, Olcay Murat Disli, Bektas Battaloglu, Cemil Colak
BACKGROUND:  We aimed to investigate the risk factors of post-coronary artery bypass grafting (CABG) atrial fibrillation (AF) in male and female patients without any history of AF, to identify the sex-specific risk factors, and to examine the effect of sex-specific risk factors on the overall population. METHODS:  This retrospective study was conducted using the hospital database with 4,758 patients who underwent CABG surgery. Among them, 2,836 patients with complete data participated in this study...
March 6, 2018: Thoracic and Cardiovascular Surgeon
Yoshinari Niimi, Seiichiro Murata, Yumi Mitou, Yusuke Ohno
We developed a novel open cardiopulmonary bypass (CPB) system, a drainage flow servo-controlled CPB system (DS-CPB), in which rotational speed of the main roller pump is servo-controlled to generate the same amount of flow as the systemic venous drainage. It was designed to safely decrease the priming volume while maintaining a constant reservoir level, even during fluctuations of the drainage flow. We report a successful use of a novel DS-CPB system in an elderly Jehovah's Witness patient with dehydration who underwent mitral valve replacement...
March 1, 2018: Perfusion
Gemma Malpas, Orlando Hung, Ainslie Gilchrist, Chrison Wong, Blaine Kent, Gregory M Hirsch, Robert D Hart
While extracorporeal membrane oxygenation (ECMO) is an effective method of oxygenation for patients with respiratory failure, further refinement of its incorporation into airway guidelines is needed. We present a case of severe glottic stenosis from advanced thyroid carcinoma in which gas exchange was facilitated by veno-arterial ECMO prior to achieving a definitive airway. We also conducted a systematic review of the MEDLINE, EMBASE, CINAHL, and Web of Science databases, using the keywords "airway/ tracheal obstruction", "anesthesia", "extracorporeal", and "cardiopulmonary bypass" to identify reports where ECMO was initiated as the a priori method of oxygenation during difficult airway management...
March 1, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
Edyta Kisielnicka, Ryuji Minasaki, Christian R Eckmann
RNA-binding proteins (RBPs) are important regulators of gene expression programs, especially during gametogenesis. How the abundance of particular RBPs is restricted to defined stages of meiosis remains largely elusive. Here, we report a molecular pathway that subjects two nonrelated but broadly evolutionarily conserved translational regulators (CPB-3/CPEB and GLD-1/STAR) to proteosomal degradation in Caenorhabditis elegans germ cells at the transition from pachytene to diplotene of meiotic prophase. Both RBPs are recognized by the same ubiquitin ligase complex, containing the molecular scaffold Cullin-1 and the tumor suppressor SEL-10/FBXW7 as its substrate recognition subunit...
March 1, 2018: Proceedings of the National Academy of Sciences of the United States of America
Xiaoyan Ling, Hongmei Zhou, Yunjian Ni, Cheng Wu, Caijun Zhang, Zhipeng Zhu
BACKGROUND: Cardiac surgery patients often experience several types of tachyarrhythmias after admission to the intensive care unit (ICU), which increases mortality and morbidity. Dexmedetomidine (DEX) is a popular medicine used for sedation in the ICU, and its other pharmacological characteristics are gradually being uncovered. PURPOSE: To determine whether DEX has an antiarrhythmic effect after cardiac surgery. METHODS: The three primary databases MEDLINE, Embase (OVID SP) and the Cochrane Central Register of Controlled Trials (CENTRAL) were searched, and all English-language and randomized control-designed clinical publications comparing DEX to control medicines for sedation after elective cardiac surgery were included...
2018: PloS One
Jawad Salman, Felix Fleißner, Jamshid Naqizadah, Murat Avsar, Malakh Shrestha, Gregor Warnecke, Issam Ismail, Stefan Rümke, Serghei Cebotari, Axel Haverich, Igor Tudorache
BACKGROUND:  Minimally invasive mitral valve surgery (MIMVS) is superior to "classical" mitral valve surgery via a sternotomy regarding wound healing and postoperative pain. It is however a more challenging procedure. Patients' preference is leading clearly toward minimally invasive approaches, and surgeons are driven by upcoming new technologies in interventional procedures such as the MitraClip. Especially in re-do cases, the access via right mini-thoracotomy, as previously non-operated situs, is a possible advantage over a re-sternotomy...
February 28, 2018: Thoracic and Cardiovascular Surgeon
Federico Pietrocola, Francesca Castoldi, Maria Markaki, Sylvie Lachkar, Guo Chen, David P Enot, Sylvere Durand, Noelie Bossut, Mingming Tong, Shoaib A Malik, Friedemann Loos, Nicolas Dupont, Guillermo Mariño, Nejma Abdelkader, Frank Madeo, Maria Chiara Maiuri, Romano Kroemer, Patrice Codogno, Junichi Sadoshima, Nektarios Tavernarakis, Guido Kroemer
The age-associated deterioration in cellular and organismal functions associates with dysregulation of nutrient-sensing pathways and disabled autophagy. The reactivation of autophagic flux may prevent or ameliorate age-related metabolic dysfunctions. Non-toxic compounds endowed with the capacity to reduce the overall levels of protein acetylation and to induce autophagy have been categorized as caloric restriction mimetics (CRMs). Here, we show that aspirin or its active metabolite salicylate induce autophagy by virtue of their capacity to inhibit the acetyltransferase activity of EP300...
February 27, 2018: Cell Reports
İsmail Oral Hastaoglu, Hamdi Tokoz, Ayca Ozgen, Fuat Bilgen
BACKGROUND: While minimally invasive procedures are being used in cardiac surgery, experience with minimally invasive proximal aortic surgery has been limited to certain centers. METHODS: Between January 2010 and March 2015, 54 patients with an upper "J" hemi-sternotomy and 75 patients with a conventional sternotomy due to proximal aortic pathology were included in this study. Forty-five patients from the "J" hemi-sternotomy group were matched with 45 patients from the conventional sternotomy group with respect to age, sex, ejection fraction, diabetes, hypertension, smoking history and operative type...
January 5, 2018: Heart Surgery Forum
Travis F D Souza, Steven G Hoshal, Ridwaan Albeiruti, Mario P Zambito, Giuseppe M Zambito, Faizan M Khan, Bennett P Samuel, Teri L Crumb, Surender Rajasekaran, Joseph J Vettukattil
BACKGROUND: To develop an understanding of current practices in the management of transient secondary hypothyroidism in pediatric postoperative cardiopulmonary bypass (CPB) patients. METHODS: Electronic survey comprising a 10-item questionnaire was sent to sixty-four high volume pediatric heart centers in the United States and United Kingdom. Survey participants included cardiologist, intensivists, cardiothoracic surgeons, and advanced practice providers. A retrospective chart review was also performed at a large regional referral center in the Midwest on subjects 0-18 years old who underwent CPB from 2005-2015...
February 26, 2018: Current Cardiology Reviews
Peter Ma, Dmitry Tumin, Mary Cismowski, Joseph D Tobias, Daniel Gomez, Patrick McConnell, Aymen Naguib, Andrew R Yates, Peter Winch
Background: Curcumin is a polyphenol extracted from the turmeric plant which may have anti-inflammatory properties. We hypothesized that curcumin pretreatment would result in a reduction in inflammatory markers in a large animal model of extracorporeal support. Methods: A total of seven samples were obtained from three swine treated with curcumin and 16 samples were obtained from six swine in the control group (procedure terminated in two swine before last sample could be obtained)...
February 2018: Cardiology Research
Adrien Bouglé, Pierre-Antoine Allain, Séverine Favard, Nora Ait Hamou, Aude Carillion, Pascal Leprince, Benjamin Granger, Julien Amour
BACKGROUND: Cardiopulmonary bypass (CPB) is associated with a systemic inflammatory response and an endothelial dysfunction, whose qualitative assessment appears to be a major issue. Endocan (ESM-1, endothelial cell specific molecule - 1) is a protein preferentially expressed by the endothelium and previously associated with prognosis of septic shock or acute respiratory distress syndrome. In this pilot study, we investigated the kinetic of Endocan in planned coronary artery bypass grafting (CABG) surgery with CPB...
February 21, 2018: Anaesthesia, Critical Care & Pain Medicine
Rik H J Hendrix, Yuri M Ganushchak, Patrick W Weerwind
Design of contemporary oxygenators requires better understanding of the influence of hydrodynamic patterns on gas exchange. A decrease in blood path width or an increase in intraoxygenator turbulence for instance, might increase gas transfer efficiency but it will increase shear stress as well. The aim of this clinical study was to examine the association between shear stress and oxygen and carbon dioxide transfer in different contemporary oxygenators during cardiopulmonary bypass (CPB). The effect of additional parameters related to gas transfer efficiency, that is, blood flow, gas flow, sweep gas oxygen fraction (FiO2 ), hemoglobin concentration, the amount of hemoglobin pumped through the oxygenator per minute-Qhb, and shunt fraction were contemplated as well...
February 23, 2018: Artificial Organs
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