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Cardiopulmonary clearance

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https://www.readbyqxmd.com/read/29676632/deployment-related-lung-disease-is-associated-with-abnormal-ventilation-on-cardiopulmonary-exercise-testing-and-with-increased-lung-clearance-index-score
#1
Silpa D Krefft, Eva B Gottschall, Jennifer J Smith, Matthew Strand, Cecile Rose
RATIONALE: An unknown number of post-9/11 military deployers to Iraq and Afghanistan have returned with respiratory symptoms and may be at risk for deployment-related distal lung disease, detected only on surgical lung biopsy. We hypothesized that cardiopulmonary exercise testing and lung clearance index scores would differ significantly between deployers with and without biopsy-proven deployment-related distal lung disease. OBJECTIVES: To assess if there are differences in cardiopulmonary exercise testing and lung clearance index scores between deployers with and without biopsy-proven deployment-related distal lung disease...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29531820/warm-blood-cardioplegia-versus-cold-crystalloid-cardioplegia-for-myocardial-protection-during-coronary-artery-bypass-grafting-surgery
#2
Paolo Nardi, Calogera Pisano, Fabio Bertoldo, Sara R Vacirca, Guglielmo Saitto, Antonino Costantino, Emanuele Bovio, Antonio Pellegrino, Giovanni Ruvolo
We retrospectively analyzed early results of coronary artery bypass grafting (CABG) surgery using two different types of cardioplegia for myocardial protection: antegrade intermittent warm blood or cold crystalloid cardioplegia. From January 2015 to October 2016, 330 consecutive patients underwent isolated on-pump CABG. Cardiac arrest was obtained with use of warm blood cardioplegia (WBC group, n  = 297) or cold crystalloid cardioplegia (CCC group, n  = 33), according to the choice of the surgeon. Euroscore II and preoperative characteristics were similar in both groups, except for the creatinine clearance, slightly lower in WBC group (77...
December 2018: Cell Death Discovery
https://www.readbyqxmd.com/read/29529007/acute-kidney-injury-biomarkers-predict-an-increase-in-serum-milrinone-concentration-earlier-than-serum-creatinine-defined-acute-kidney-injury-in-infants-after-cardiac-surgery
#3
Katja M Gist, David S Cooper, Julia Wrona, Sarah Faubel, Christopher Altmann, Zhiqian Gao, Bradley S Marino, Jeffrey Alten, Kristal M Hock, Tomoyuki Mizuno, Alexander A Vinks, Melanie S Joy, Michael F Wempe, Michael R Bennett, Stuart L Goldstein
BACKGROUND: Milrinone, an inotropic agent used ubiquitously in children after cardiac surgery, accumulates in acute kidney injury (AKI). We assessed if urinary AKI biomarkers are predictive of an increase in milrinone concentrations in infants after cardiac surgery. METHODS: Multicenter prospective pilot study of infants undergoing cardiac surgery. Urinary AKI biomarkers were measured in the urine at specific time intervals after cardiopulmonary bypass initiation...
April 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29492637/fibre-supplementation-for-the-prevention-of-type-2-diabetes-and-improvement-of-glucose-metabolism-the-randomised-controlled-optimal-fibre-trial-optifit
#4
Caroline Honsek, Stefan Kabisch, Margrit Kemper, Christiana Gerbracht, Ayman M Arafat, Andreas L Birkenfeld, Ulrike Dambeck, Martin A Osterhoff, Martin O Weickert, Andreas F H Pfeiffer
AIMS/HYPOTHESIS: Insoluble cereal fibres have been shown in large prospective cohort studies to be highly effective in preventing type 2 diabetes, but there is a lack of interventional data. Our 2 year randomised double-blind prospective intervention study compared the effect of an insoluble oat fibre extract with that of placebo on glucose metabolism and incidence of diabetes. METHODS: A total of 180 participants with impaired glucose tolerance underwent a modified version of the 1 year lifestyle training programme PREvention of DIAbetes Self-management (PREDIAS) and were randomised to receive a fibre supplement (n = 89; 7...
February 28, 2018: Diabetologia
https://www.readbyqxmd.com/read/29477722/feasibility-and-safety-of-ultrasonography-guidance-and-flank-position-during-percutaneous-nephrolithotomy
#5
Seyed Hassan Inanloo, Seyed Reza Yahyazadeh, Samaneh Rashidi, Erfan Amini, Mohammad Reza Nowroozi, Mohsen Ayayti, Hassan Jamshidian, Mohammad Reza Nikoobakht, Seyed Mohammad Kazem Aghamir, Omid Hemmatian, Seyed Ali Momeni
PURPOSE: Percutaneous nephrolithotomy is generally performed under fluoroscopy that is associated with exposure to radiation. Another drawback of fluoroscopic-guided percutaneous nephrolithotomy is the prone position, which is not suitable for all patients. In this study we aimed to evaluate the feasibility, safety and efficacy of ultrasound-guided percutaneous nephrolithotomy in flank position. MATERIALS & METHODS: From December 2010 to July 2016, a total of 603 patients with a mean age of 50...
February 22, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29409968/regulation-of-vascular-signalling-by-nuclear-sprouty2-in-fetal-lung-epithelial-cells-implications-for-co-ordinated-airway-and-vascular-branching-in-lung-development
#6
David J Walker, Stephen C Land
Sprouty2 (Spry2) acts as a central regulator of tubular growth and branch patterning in the developing mammalian lung by controlling both magnitude and duration of growth factor signalling. To determine if this protein coordinates airway and vascular growth factor signalling, we tested the hypothesis that Spry2 links the primary cue for airway outgrowth, fibroblast growth factor-10 (FGF-10), to genomic events underpinning the expression and release of vascular endothelial growth factor-A (VEGF-A). Using primary fetal distal lung epithelial cells (FDLE) from rat, and immortalised human bronchial epithelial cells (16HBE14o-), we identified a nuclear sub-population of Spry2 which interacted with regions of the rat and human VEGF-A promoter spanning the hypoxia response element (HRE) and adjacent 3' sites...
January 31, 2018: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29382509/active-chest-tube-clearance-after-cardiac-surgery-is-associated-with-reduced-reexploration-rates
#7
Philippe Grieshaber, Nicolas Heim, Moritz Herzberg, Bernd Niemann, Peter Roth, Andreas Boening
BACKGROUND: Ineffective evacuation of intrathoracic fluid after cardiac surgery (retained blood syndrome [RBS]) might increase postoperative complications, morbidity and mortality. Active chest tube clearance technology (ATC) using an intraluminal clearing apparatus aims at increasing drainage efficiency. This study aimed to evaluate, if ATC reduces RBS in an all-comers collective undergoing scheduled cardiac surgery with cardiopulmonary bypass and full or partial median sternotomy. METHODS: In this non-randomized prospective trial, 581 consecutive patients undergoing scheduled cardiac surgery with median sternotomy between 01/2016 and 12/2016 were assigned to receive conventional chest tubes (Control) or a combination of conventional tubes and up to two ATC devices (ATC group) depending on their operation date...
January 27, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29358296/population-pharmacokinetic-model-based-evaluation-of-standard-dosing-regimens-for-cefuroxime-used-in-coronary-artery-bypass-graft-surgery-with-cardiopulmonary-bypass
#8
Saeed A Alqahtani, Abdullah S Alsultan, Hussain M Alqattan, Ahmed Eldemerdash, Turki B Albacker
The purpose of this study was to investigate the population pharmacokinetics (PK) of cefuroxime in patients undergoing coronary artery bypass graft (CABG) surgery. In this observational pharmacokinetic study, multiple blood samples were collected over a 48-h interval of intravenous cefuroxime administration. The samples were analyzed by using a validated high-performance liquid chromatography (HPLC) method. Population pharmacokinetic models were developed using Monolix (version 4.4) software. Pharmacokinetic-pharmacodynamic (PD) simulations were performed to explore the ability of different dosage regimens to achieve the pharmacodynamic targets...
April 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29357431/vascular-endothelial-cell-changes-in-post-cardiac-surgery-acute-kidney-injury
#9
Saqib H Qureshi, Nishith N Patel, Gavin J Murphy
BACKGROUND: Acute Kidney Injury (AKI) is common complication of cardiac surgery however the phenotype of this condition is poorly defined. The aim of this study was to characterize changes in endothelial structure and function that underlie post cardiopulmonary bypass (CPB) AKI. METHODS: Adult pigs (N=16) were randomised to undergo following procedures; (n=8 per group); Group 1: sham operation-neck dissection with 2.5hr of general anesthesia and Group 2: CPB-2.5hr of cardiopulmonary bypass...
December 20, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29326077/mechanism-of-nanoparticle-induced-hypersensitivity-in-pigs-complement-or-not-complement
#10
János Szebeni
A recent study on nanoparticle-induced hypersensitivity reactions in pigs showed robust pulmonary intravascular macrophage clearance of Polybead® carboxylate microspheres in mediating the adverse cardiopulmonary distress, irrespective of the ability of these particles to activate the complement (C) system in vitro. Focusing on this observation, this article highlights the controversies in projecting in vitro C assay data to in vivo conditions and applying data on polystyrene particles to therapeutic nanopharmaceuticals...
March 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29146517/nanomedicine-safety-in-preclinical-and-clinical-development-focus-on-idiosyncratic-injection-infusion-reactions
#11
REVIEW
Seyed Moein Moghimi
Injection/infusion reactions to nanopharmaceuticals (and particulate drug carriers) are idiosyncratic and well documented. The molecular basis of nanoparticle-mediated injection reactions is debatable, with two hypotheses as front-runners. The first is complement-activation-related 'pseudoallergy', where a causal role for nanoparticle-mediated complement activation in injection/infusion reactions is considered. However, the second hypothesis (the rapid phagocytic response hypothesis) states a transitional link from robust clearance of nanoparticles (NPs) from the blood by strategically placed responsive macrophages to adverse hemodynamic and cardiopulmonary reactions, regardless of complement activation...
November 13, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/29129343/prognostic-value-of-hyperlactatemia-and-lactate-clearance-after-mitral-valve-surgery
#12
Adam S Evans, Matthew A Levin, Hung-Mo Lin, Ken Lee, Menachem M Weiner, Anelechi Anyanwu, David H Adams, Alexander J C Mittnacht
OBJECTIVES: Blood lactate is frequently used to guide management in critically ill patients. In patients undergoing mitral valve surgery, an elevated lactate level is frequently observed; however, overall mortality is low. The authors hypothesized that hyperlactemia is not a useful predictor of poor outcomes in this patient population. The main aim of this study was to explore how blood lactate level and lactate clearance are associated with 30-day mortality and major adverse events in patients undergoing mitral valve surgery...
August 2, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28994675/comparison-of-the-renoprotective-effect-of-dexmedetomidine-and-dopamine-in-high-risk-renal-patients-undergoing-cardiac-surgery-a-double-blind-randomized-study
#13
Rabie Soliman, Mohamed Hussien
OBJECTIVE: The purpose of the current study was to compare the renoprotective effects of continuous infusion of dexmedetomidine and dopamine in high-risk renal patients undergoing cardiac surgery. DESIGN: A double-blind randomized study. SETTING: Cardiac Centers. PATIENTS: One hundred and fifty patients with baseline serum creatinine level ≥1.4 mg/dl were scheduled for cardiac surgery with cardiopulmonary bypass. INTERVENTION: The patients were classified into two groups (each = 75): Group Dex - the patients received a continuous infusion of dexmedetomidine 0...
October 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28969195/laparoscopic-versus-open-repair-of-para-umbilical-hernia-a-prospective-comparative-study-of-short-term-outcomes
#14
Sreeharsha Korukonda, Anandhi Amaranathan, Vishnu Prasad Nelamangala Ramakrishnaiah
INTRODUCTION: Para-Umbilical Hernia (PUH) is one of the most common surgical problems. Since the prosthetic repair has become the standard of practice for inguinal hernia management, the same has been adapted for para-umbilical hernia management with better outcome. There is still debate going on regarding the optimal surgical approach. There are very few prospective studies comparing the laparoscopic and open method of para-umbilical hernia mesh repair. This study compared the short term outcomes following laparoscopic versus open mesh repair of PUH...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28950435/lung-clearance-index-lci-as-a-predictor-of-exercise-limitation-among-cf-patients
#15
Vasiliki Avramidou, Elpis Hatziagorou, Asterios Kampouras, Helge Hebestreit, Eleana Kourouki, Fotis Kirvassilis, John Tsanakas
INTRODUCTION: FEV1 is often considered the gold standard to monitor lung disease in cystic fibrosis (CF). Recently, there has been increasing interest in multiple breath washout (MBW) and cardiopulmonary exercise testing (CPET) as alternative or even more sensitive techniques. However, limited data exist on associations among the above methods. AIM: To evaluate the correlations between outcome measures of MBW and CPET and to examine if ventilation inhomogeneity can predict exercise intolerance...
January 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28882651/in-cystic-fibrosis-lung-clearance-index-is-sensitive-to-detecting-abnormalities-appearing-at-exercise-in-children-with-normal-spirometry
#16
Riyadh Chelabi, Thibaud Soumagne, Alicia Guillien, Marc Puyraveau, Bruno Degano
Symptom-limited incremental cardiopulmonary exercise test was performed in school-age children with clinically stable cystic fibrosis (CF), all with normal spirometry. Physiological parameters were compared between patients with normal lung clearance index (LCI; n=6) and patients with elevated LCI (n=6). Dyspnoea ratings during exercise were similar in both groups. Although no patient had significant dynamic hyperinflation, end-expiratory lung volumes were higher throughout exercise in patients with elevated LCI...
January 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28858859/independent-risk-factors-and-2-year-outcomes-of-acute-kidney-injury-after-surgery-for-congenital-heart-disease
#17
Daishi Hirano, Akira Ito, Akifumi Yamada, Daisuke Kakegawa, Saori Miwa, Chisato Umeda, Kosuke Chiba, Yoichi Takemasa, Ai Tokunaga, Hiroyuki Ida
BACKGROUND: Data are limited regarding risk factors for acute kidney injury (AKI) following cardiac surgery in children with congenital heart disease (CHD). This observational study was performed to examine temporal trends in AKI incidence according to the Pediatric Risk, Injury, Failure, Loss, End-Stage Renal Disease (pRIFLE) criteria, identify independent risk factors for AKI after cardiac surgery, and examine associations between AKI and long-term mortality. METHODS: We retrospectively evaluated 418 patients (259 males, 159 females; median age, 5 months) who underwent cardiac surgery for CHD between April 2007 and August 2013...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28828590/direct-reopening-of-the-occluded-hepatic-veins-of-budd-chiari-syndrome-verification-of-our-operative-method-by-the-perioperative-course-of-esophageal-varices
#18
Yukio Kuniyoshi, Hitoshi Inafuku, Satoshi Yamashiro, Yuya Kise, Takaaki Nagano, Ryoko Arakaki, Tatsuya Maeda, Mizuki Ando, Shotaro Higa
OBJECTIVE: A total of 69 patients with Budd-Chiari syndrome (BCS) were operated by direct approach under cardiopulmonary bypass (CPB). To assess the operative procedure, the perioperative course of esophageal varices (EVs) was evaluated. PATIENTS AND METHODS: Of the 69 patients, 59 (22 females) were enrolled in this study because they had complete follow-up data for endoscopic evaluation of EVs. Their mean age was 46.3 ± 13.0 years (range 21-73.3 years). EVs were found in 52 patients...
January 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28805266/hypothermic-pulsatile-preservation-of-kidneys-from-uncontrolled-deceased-donors-after-cardiac-arrest-a-retrospective-study
#19
Xavier Matillon, Fabrice Danjou, Palmina Petruzzo, Olivier Thaunat, Thomas Rimmele, Claire Delsuc, Alexandre Faure, Maud Rabeyrin, Vannary Meas Yedid, William Hanf, Emmanuel Morelon, Lionel Badet, Ricardo Codas
Kidneys from uncontrolled donors after cardiac arrest (uDCD) suffer from a period of warm ischemia between cardiac arrest and cold flushing. Aim of the study was to evaluate renal outcomes of uDCD kidneys selected on the basis of renal Resistance Index (RI) and its influence on graft function and survival. The study included 44 kidneys procured from 26 uDCD starting 1.1.2006 until 12.31.2013. The donors (Maastricht category II) underwent cardiopulmonary resuscitation by assisted ventilation and chest compression; the organs were preserved with in situ cold perfusion or a normothermic regional perfusion...
August 14, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28793036/effect-of-mild-hypothermia-on-renal-ischemia-reperfusion-injury-after-cardiopulmonary-resuscitation-in-a-swine-model
#20
Wei Yuan, Jun-Yuan Wu, Yong-Zhen Zhao, Jie Li, Jie-Bin Li, Zhen-Hua Li, Chun-Sheng Li
Purpose: To investigate the effect of intravascular cooling on renal function after resuscitation. Methods: Twenty four pigs were randomized into three groups (n=8 in each group): therapeutic hypothermia group (TH group), normothermia group (NH group) and sham operation group (SHAM group). After 6 minutes of untreated VF, CPR was performed. Upon ROSC, the TH group received the intravascular cooling. The NH and SHAM group did not undergo therapeutic hypothermia. Haemodynamic parameters were recorded...
July 2017: Acta Cirúrgica Brasileira
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