keyword
MENU ▼
Read by QxMD icon Read
search

arterial gases

keyword
https://www.readbyqxmd.com/read/29034967/evaluation-of-a-method-for-isocapnic-hyperventilation-a-clinical-pilot-trial
#1
K Hallén, P Jildenstål, O Stenqvist, S-E Ricksten, S Lindgren
BACKGROUND: Isocapnic hyperventilation (IHV) is a method that shortens time to extubation after inhalation anaesthesia using hyperventilation (HV) without lowering airway CO2 . In a clinical trial on patients undergoing long-duration sevoflurane anaesthesia for major ear-nose-throat (ENT) surgery, we evaluated the utility of a technique for CO2 delivery (DCO2 ) to the inspiratory limb of a closed breathing circuit, during HV, to achieve isocapnia. METHODS: Fifteen adult ASA 1-3 patients were included...
October 16, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29033043/in%C3%A2-vivo-lung-perfusion-rehabilitates-sepsis-induced-lung-injury
#2
J Hunter Mehaffey, Eric J Charles, Sarah Schubert, Morgan Salmon, Ashish K Sharma, Dustin Money, Mark H Stoler, Victor E Laubach, Curtis G Tribble, Mark E Roeser, Irving L Kron
BACKGROUND: Sepsis is the leading cause of lung injury in adults and can lead to acute respiratory distress syndrome (ARDS). Using a novel technique of isolated in vivo lung perfusion (IVLP), we hypothesized that normothermic IVLP will improve oxygenation and compliance in a porcine model of sepsis-induced lung injury. METHODS: Mature adult swine (n = 8) were administered lipopolysaccharide (LPS; 50 μg/kg over 2 hours) via the external jugular vein, followed by sternotomy and central extracorporeal membrane oxygenation (ECMO) cannulation (right atrium to ascending aorta)...
September 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29028763/effects-of-hyperoxia-during-resuscitation-from-hemorrhagic-shock-in-swine-with-preexisting-coronary-artery-disease
#3
Clair Hartmann, Maurizio Loconte, Elena Antonucci, Michael Holzhauser, Tobias Hölle, David Katzsch, Tamara Merz, Oscar McCook, Ulrich Wachter, Josef A Vogt, Andrea Hoffmann, Martin Wepler, Michael Gröger, Martin Matejovic, Enrico Calzia, Michael Georgieff, Pierre Asfar, Peter Radermacher, Benedikt L Nussbaum
OBJECTIVES: Investigation of the effects of hyperoxia during resuscitation from hemorrhagic shock in swine with preexisting coronary artery disease. DESIGN: Prospective, controlled, randomized trial. SETTING: University animal research laboratory. SUBJECTS: Nineteen hypercholesterolemic pigs with preexisting coronary artery disease. INTERVENTIONS: Anesthetized, mechanically ventilated, and surgically instrumented pigs underwent 3 hours of hemorrhagic shock (removal of 30% of the calculated blood volume and subsequent titration of mean arterial blood pressure ≈40 mm Hg)...
October 12, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28974645/noninvasive-ventilation-in-obese-subjects-after-acute-respiratory-failure
#4
Charlotte Bry, Sandrine Jaffré, Béatrice Guyomarc'h, Frédéric Corne, Sylvaine Chollet, Antoine Magnan, François-Xavier Blanc
INTRODUCTION: Noninvasive ventilation (NIV) has been widely used to treat acute respiratory failure in obese patients. Criteria that could help clinicians to decide whether they should continue to use NIV after such an initial episode remain unclear. Our retrospective study aims to analyze characteristics of subjects receiving long-term NIV after an initial hospitalization for acute respiratory failure. METHODS: From January 2011 to December 2012, 77 obese adults were admitted in the ICU of the respiratory disease department in Nantes University Hospital in France...
October 3, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28972388/hepatopulmonary-syndrome-which-blood-gas-analysis-criteria-and-position-should-we-use-for-diagnosis
#5
Israel Grilo, Juan Manuel Pascasio, Francisco-Jesús López-Pardo, Francisco Ortega-Ruiz, Juan Luis Tirado, José Manuel Sousa, María José Rodríguez-Puras, María Teresa Ferrer, Miguel Ángel Gómez-Bravo, Antonio Grilo
INTRODUCTION: Different blood gas criteria have been used in the diagnosis of hepatopulmonary syndrome (HPS). PATIENTS AND METHODS: Arterial blood gases were prospectively evaluated in 194 cirrhotic candidates for liver transplantation (LT) in the supine and seated position. Three blood gas criteria were analyzed: classic (partial pressure of oxygen [PaO2] < 70 mmHg and/or alveolar-arterial gradient of oxygen [A-a PO2] ≥ 20 mmHg), modern (A-a PO2 ≥ 15 mmHg or ≥ 20 mmHg in patients over 64) and the A-a PO2 ≥ threshold value adjusted for age...
October 3, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28972098/does-size-matter-concerning-impact-of-position-on-oxygenation-status-in-spontaneously-breathing-patients-with-unilateral-effusion
#6
Stylianos A Michaelides, Avgerinos-Romanos Michailidis, George D Bablekos, Antonis Analitis, Maria Michalatou, Nikolaos Koulouris
BACKGROUND: Inconsistent and contradictory findings have appeared in the literature concerning the impact of body position on oxygenation in pleural effusion. METHODS: We attempted to elucidate whether the size of the pleural effusion in patients with no parenchymal disease is the main determinant of posture-induced alterations in oxygenation parameters. We studied 62 spontaneously breathing patients aged 65.3±7.8 years (mean±SD), of whom 36 had large and massive-sized effusions (Group A) and 26 had small and moderate-sized effusions (Group B)...
September 28, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28969229/surfactant-therapy-for-early-onset-pneumonia-in-late-preterm-and-term-neonates-needing-mechanical-ventilation
#7
Sujata Deshpande, Pradeep Suryawanshi, Kunal Ahya, Rajesh Maheshwari, Samir Gupta
INTRODUCTION: Pathophysiology of pneumonia involves leakage of plasma proteins into the airways and accumulation of cytokines within the lung. Several in vitro and in vivo studies have demonstrated that this proteinaceous material and lung inflammation inhibit surfactant function. AIM: To evaluate whether exogenous surfactant therapy improves oxygenation and gas exchange in late preterm and term neonates with early onset pneumonia and respiratory failure. MATERIALS AND METHODS: This prospective interventional cohort study was conducted at a tertiary care neonatal unit...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28962695/arterio-venous-fetoplacental-vascular-geometry-and-hemodynamics-in-the-mouse-placenta
#8
Monique Y Rennie, Lindsay S Cahill, S Lee Adamson, John G Sled
INTRODUCTION: The fetoplacental vasculature network is essential for the exchange of nutrients, gases and wastes with the maternal circulation and for normal fetal development. The present study quantitatively compares arterial and venous morphological and functional differences in the mouse fetoplacental vascular network. METHODS: High resolution X-ray micro-computed tomography was used to visualize the 3D geometry of the arterial and venous fetoplacental vasculature in embryonic day 15...
October 2017: Placenta
https://www.readbyqxmd.com/read/28951466/emergency-department-blood-gas-utilization-and-changes-in-ventilator-settings
#9
Haitham S Al Ashry, Jeremy B Richards, Daniel F Fisher, Jeffrey Sankoff, Todd A Seigel, Lauren B Angotti, Susan R Wilcox
BACKGROUND: Mechanically ventilated patients increasingly spend hours in emergency department beds before ICU admission. This study evaluated the performance of blood gases in mechanically ventilated subjects in the emergency department and subsequent changes to mechanical ventilation settings. METHODS: This was a multi-center, prospective, observational study of subjects ventilated in the emergency department, conducted at 3 academic emergency departments from July 2011 to March 2013...
September 26, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28937410/cerebral-oxygenation-of-premature-lambs-supported-by-an-artificial-placenta
#10
Ahmed M El-Sabbagh, Brian W Gray, Andrew W Shaffer, Benjamin S Bryner, Joseph T Church, Jennifer S McLeod, Sara Zakem, Elena M Perkins, Renée A Shellhaas, John D E Barks, Alvaro Rojas-Peña, Robert H Bartlett, George B Mychaliska
An artificial placenta (AP) using venovenous extracorporeal life support (VV-ECLS) could represent a paradigm shift in the treatment of extremely premature infants. However, AP support could potentially alter cerebral oxygen delivery. We assessed cerebral perfusion in fetal lambs on AP support using near-infrared spectroscopy (NIRS) and carotid arterial flow (CAF). Fourteen premature lambs at EGA 130 days (term = 145) underwent cannulation of the right jugular vein and umbilical vein with initiation of VV-ECLS...
September 20, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28931052/improvement-of-dyspnea-after-bariatric-surgery-is-associated-with-increased-expiratory-reserve-volume-a-prospective-follow-up-study-of-45-patients
#11
Louis Boissière, Jeanne-Marie Perotin-Collard, Eric Bertin, Isabelle Gaubil, Ana Diaz Cives, Coralie Barbe, Sandra Dury, Julie Nardi, François Lebargy, Gaëtan Deslée, Claire Launois
OBJECTIVES: To assess the effects of bariatric surgery in patients with obesity on dyspnea and to analyze the relationships between improvement of dyspnea after bariatric surgery and changes in pulmonary function, especially Expiratory Reserve Volume (ERV) which is the lung volume abnormality most frequently associated with obesity. METHODS: Forty-five patients (5 males/40 females, mean Body Mass Index = 46.2 ± 6.8 kg/m2) were evaluated before and 6 to 12 months after bariatric surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28930815/variability-in-usual-care-mechanical-ventilation-for-pediatric-acute-respiratory-distress-syndrome-time-for-a-decision-support-protocol
#12
Christopher J L Newth, Katherine A Sward, Robinder G Khemani, Kent Page, Kathleen L Meert, Joseph A Carcillo, Thomas P Shanley, Frank W Moler, Murray M Pollack, Heidi J Dalton, David L Wessel, John T Berger, Robert A Berg, Rick E Harrison, Richard Holubkov, Allan Doctor, J Michael Dean, Tammara L Jenkins, Carol E Nicholson
OBJECTIVES: Although pediatric intensivists philosophically embrace lung protective ventilation for acute lung injury and acute respiratory distress syndrome, we hypothesized that ventilator management varies. We assessed ventilator management by evaluating changes to ventilator settings in response to blood gases, pulse oximetry, or end-tidal CO2. We also assessed the potential impact that a pediatric mechanical ventilation protocol adapted from National Heart Lung and Blood Institute acute respiratory distress syndrome network protocols could have on reducing variability by comparing actual changes in ventilator settings to those recommended by the protocol...
September 19, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28928583/single-minute-of-positive-end-expiratory-pressure-at-the-time-of-induction-effect-on-arterial-blood-gases-and-hemodynamics-in-morbidly-obese-patients-undergoing-laparoscopic-bariatric-surgery
#13
Dipti Saxena, Priyank Singh, Atul Dixit, Bipin Arya, Mohit Bhandari, Sadhana Sanwatsarkar
BACKGROUND: The effect of positive end-expiratory pressure (PEEP) has been studied in detail after induction of general anesthesia especially in obese individuals. However, sparse information can be gathered from the literature regarding its effect when applied at the time of induction and the time of onset of its effect. Thus, this study was planned to assess the effect of PEEP when applied for a single minute in morbidly obese patients. MATERIALS AND METHODS: This was a randomized prospective study comprising seven morbidly obese patients (body mass index ≥40 kg/m(2))...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28914359/changes-in-acid-base-and-ion-balance-during-exercise-in-normoxia-and-normobaric-hypoxia
#14
Olaf Lühker, Marc Moritz Berger, Alexander Pohlmann, Lorenz Hotz, Tilmann Gruhlke, Marcel Hochreiter
PURPOSE: Both exercise and hypoxia cause complex changes in acid-base homeostasis. The aim of the present study was to investigate whether during intense physical exercise in normoxia and hypoxia, the modified physicochemical approach offers a better understanding of the changes in acid-base homeostasis than the traditional Henderson-Hasselbalch approach. METHODS: In this prospective, randomized, crossover trial, 19 healthy males completed an exercise test until voluntary fatigue on a bicycle ergometer on two different study days, once during normoxia and once during normobaric hypoxia (12% oxygen, equivalent to an altitude of 4500 m)...
November 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28893316/intraosseous-blood-samples-for-point-of-care-analysis-agreement-between-intraosseous-and-arterial-analyses
#15
Milla Jousi, Simo Saikko, Jouni Nurmi
BACKGROUND: Point-of-care (POC) testing is highly useful when treating critically ill patients. In case of difficult vascular access, the intraosseous (IO) route is commonly used, and blood is aspirated to confirm the correct position of the IO-needle. Thus, IO blood samples could be easily accessed for POC analyses in emergency situations. The aim of this study was to determine whether IO values agree sufficiently with arterial values to be used for clinical decision making. METHODS: Two samples of IO blood were drawn from 31 healthy volunteers and compared with arterial samples...
September 11, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28863039/extracorporeal-membrane-oxygenation-for-end-stage-interstitial-lung-disease-with-secondary-pulmonary-hypertension-at-rest-and-exercise-insights-from-simulation-modeling
#16
Scott Chicotka, Daniel Burkhoff, Marc L Dickstein, Matthew Bacchetta
Interstitial lung disease (ILD) represents a collection of lung disorders with a lethal trajectory with few therapeutic options with the exception of lung transplantation. Various extracorporeal membrane oxygenation (ECMO) configurations have been used for bridge to transplant (BTT), yet no optimal configuration has been clearly demonstrated. Using a cardiopulmonary simulation, we assessed different ECMO configurations for patients with end-stage ILD to assess the physiologic deficits and help guide the development of new long-term pulmonary support devices...
August 31, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28855978/a-case-of-shunting-postoperative-patent-foramen-ovale-under-mechanical-ventilation-controlled-by-different-ventilator-settings
#17
Claudio Pragliola, Sara Di Michele, Domenico Galzerano
A 56-year old male with ischemic heart disease and an unremarkable preoperative echocardiogram underwent surgical coronary revascularization. An intraoperative post pump trans-esophageal echocardiogram (TOE) performed while the patient was being ventilated at a positive end expiratory pressure (PEEP) of 8 cm H2O demonstrated a right to left interatrial shunt across a patent foramen ovale (PFO). Whereas oxygen saturation was normal, a reduction of the PEEP to 3 cm H2O led to the complete resolution of the shunt with no change in arterial blood gases...
June 7, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28854537/prognostic-significance-of-central-venous-to-arterial-carbon-dioxide-difference-during-the-first-24-hours-of-septic-shock-in-patients-with-and-without-impaired-cardiac-function
#18
G Muller, E Mercier, P Vignon, M Henry-Lagarrigue, T Kamel, A Desachy, V Botoc, G Plantefève, J P Frat, F Bellec, J P Quenot, P F Dequin, T Boulain
Objective: To investigate the prognostic significance of central venous-to-arterial carbon dioxide difference (cv-art CO 2 gap) during septic shock in patients with and without impaired cardiac function. Methods: We performed a prospective cohort study in 10 French intensive care units. Patients suffering from septic shock were assigned to the impaired cardiac function group ('cardiac group', n =123) if they had atrial fibrillation (AF) and/or left ventricular ejection fraction (LVEF) <50% at study entry and to the non-cardiac group ( n =240) otherwise...
August 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28846437/oxygen-administration-improves-survival-but-worsens-cardiopulmonary-functions-in-chlorine-exposed-rats
#19
Obiefuna C Okponyia, Matthew D McGraw, Marilyn M Dysart, Rhonda B Garlick, Jacqueline S Rioux, Angela L Murphy, Gates B Roe, Carl W White, Livia A Veress
RATIONALE: Chlorine is a highly reactive gas that can cause significant injury when inhaled. Unfortunately, its use as a chemical weapon has increased in recent years. Massive chlorine inhalation can cause death within 4h of exposure. Survivors usually require hospitalization after massive exposure. No countermeasures exist for massive chlorine exposure, and supportive care measures lack controlled trials. METHODS: Adult rats were exposed to chlorine gas (LD58-67) in a whole-body exposure chamber, and given oxygen (0...
August 28, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28838589/early-mobilization-reduces-the-atelectasis-and-pleural-effusion-in-patients-undergoing-coronary-artery-bypass-graft-surgery-a-randomized-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Seyed Tayeb Moradian, Mohammad Najafloo, Hosein Mahmoudi, Mohammad Saeid Ghiasi
Atelectasis and pleural effusion are common after coronary artery bypass graft surgery (CABG). Longer stay in the bed is one of the most important contributing factors in pulmonary complications. Some studies confirm the benefits of early mobilization (EM) in critically ill patients, but the efficacy of EM on pulmonary complications after CABG is not clear. This study was designed to examine the effect of EM on the incidence of atelectasis and pleural effusion in patients undergoing CABG. In a single-blinded randomized clinical trial, 100 patients who were undergoing coronary artery bypass graft surgery were randomly assigned into two groups each consisted of 50 patients...
September 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
keyword
keyword
44241
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"