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Hypoxaemia

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https://www.readbyqxmd.com/read/29422335/comparison-of-three-continuous-positive-airway-pressure-cpap-interfaces-in-healthy-beagle-dogs-during-medetomidine-propofol-constant-rate-infusions
#1
Carolina Meira, Fabiola B Joerger, Annette P N Kutter, Andreas Waldmann, Simone K Ringer, Stephan H Böehm, Samuel Iff, Martina Mosing
OBJECTIVE: To compare the efficacy of three continuous positive airway pressure (CPAP) interfaces in dogs on gas exchange, lung volumes, amount of leak during CPAP and rebreathing in case of equipment failure or disconnection. STUDY DESIGN: Randomized, prospective, crossover, experimental trial. ANIMALS: Ten purpose-bred Beagle dogs. METHODS: Dogs were in dorsal recumbency during medetomidine-propofol constant rate infusions, breathing room air...
December 5, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29420246/ards-complicating-pustular-psoriasis-treatment-with-low-dose-corticosteroids-vitamin-c-and-thiamine
#2
Paul Ellis Marik, Ashleigh Long
We report the case of a 45-year-old Caucasian woman with a history of psoriasis, admitted to our Medical intensive care unit following the acute onset of diffuse rash and progressive dyspnoea and hypoxaemia requiring escalating respiratory support (continuous positive airway pressure of 10 cm H2O). Her chest X-ray was consistent with findings of non-cardiogenic pulmonary oedema. Echocardiogram was normal. Dermatology considered her skin lesions to be consistent with psoriasis vulgaris with pustular flare. In the absence of an identifiable cause for her respiratory failure, she was diagnosed with acute respiratory distress syndrome due to her psoriatic flare...
February 2, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29409801/the-minimum-infusion-rate-of-alfaxalone-during-its-co-administration-with-lidocaine-at-three-different-doses-by-constant-rate-infusion-in-goats
#3
Brighton T Dzikiti, Patience S Ndawana, Loveness N Dzikiti, Frik G Stegmann
OBJECTIVE: To determine the minimum infusion rate (MIR) of alfaxalone required to prevent purposeful movement in response to standardized stimulation while co-administered with lidocaine at three different doses by constant infusion rate infusion (CRI) in goats. STUDY DESIGN: Prospective, blinded, randomized crossover, experimental. ANIMALS: A total of eight healthy goats: four does and four wethers. METHODS: Anaesthetic induction was with lidocaine at 1 mg kg-1 [low dose of lidocaine (L-Lid)], 2 mg kg-1 [moderate dose (M-Lid)] or 4 mg kg-1 [high dose (H-Lid)] and alfaxalone at 2 mg kg-1...
November 29, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29398530/sedative-effects-of-intramuscular-alfaxalone-in-pet-guinea-pigs-cavia-porcellus
#4
Dario d'Ovidio, Francesco Marino, Emilio Noviello, Enrico Lanaro, Paolo Monticelli, Chiara Adami
OBJECTIVE: To evaluate the efficacy and side effects of alfaxalone administered intramuscularly (IM) as a sedative agent in guinea pigs undergoing survey radiographs. STUDY DESIGN: Prospective clinical trial. ANIMALS: A total of 30 client-owned guinea pigs. METHODS: Following baseline assessments, 5 mg kg-1 alfaxalone was administered IM. Heart rate, arterial haemoglobin oxygen saturation, respiratory rate, rectal body temperature, palpebral reflex, response to toe and ear pinch, righting reflex, posture, jaw tone and reaction to manipulation were assessed before and after sedation at 5-minute intervals...
September 18, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29397349/pulmonary-alveolar-proteinosis-in-adults-pathophysiology-and-clinical-approach
#5
REVIEW
Anupam Kumar, Basem Abdelmalak, Yoshikazu Inoue, Daniel A Culver
Pulmonary alveolar proteinosis (PAP) is a diffuse lung disease that results from the accumulation of lipoproteinaceous material in the alveoli and alveolar macrophages due to abnormal surfactant homoeostasis. Identification of the granulocyte-macrophage colony-stimulating factor (GM-CSF) as an indispensable mediator of macrophage maturation and surfactant catabolism was the key discovery leading to the current understanding of the pathogenesis of most forms of PAP. Impaired GM-CSF bioavailability due to anti-GM-CSF autoimmunity is the cause of approximately 90% of adult PAP cases...
January 31, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29397127/high-flow-nasal-oxygen-therapy-in-intensive-care-and-anaesthesia
#6
REVIEW
T Renda, A Corrado, G Iskandar, G Pelaia, K Abdalla, P Navalesi
Oxygen therapy is first-line treatment for hypoxaemic acute respiratory failure (ARF). High-flow nasal oxygen therapy (HFNO) represents an alternative to conventional oxygen therapy. HFNO provides humidified, titrated oxygen therapy matching or even exceeding the patients' inspiratory demand. The application of HFNO is becoming widespread in Intensive Care Units (ICUs), favoured by increasing evidence based on numerous studies supporting its efficacy. The mechanisms of action and physiological effects of HFNO are not yet fully understood...
January 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29393240/increased-small-intestinal-permeability-during-severe-acute-exacerbations-of-copd
#7
Roy T M Sprooten, Kaatje Lenaerts, Dionne C W Braeken, Ilvy Grimbergen, Erica P Rutten, Emiel F M Wouters, Gernot G U Rohde
BACKGROUND: Disturbances of intestinal integrity, manifested by increased gastro-intestinal (GI) permeability, have been found in chronic obstructive pulmonary disease (COPD) patients during physical activity, often associated with intermittent hypoxic periods. Evidence about extrapulmonary organ disturbances, especially of the GI tract, during hospitalised acute exacerbation of COPD (AE-COPD) with hypoxaemic respiratory failure (RF) is lacking. OBJECTIVE: The aim was to assess changes in GI permeability in patients with AE-COPD and during recovery 4 weeks later...
January 25, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29393013/-can-we-not-do-without-oxygen-administration-through-a-nasal-cannula
#8
Y M Smulders, J G van den Aardweg
Nasal cannulae for oxygen administration are applied abundantly in clinical medicine, even though their use may cause patient discomfort. Although nasal cannulae may be effective in increasing oxygen uptake to some degree, they are unlikely to prevent severe hypoxaemia. Furthermore, they are often used when arterial oxygen saturation is already ≥ 90%, in which case additional oxygenation is usually not required, nor does it relieve the sensation of dyspnoea.
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29371130/individualised-perioperative-open-lung-approach-versus-standard-protective-ventilation-in-abdominal-surgery-iprove-a-randomised-controlled-trial
#9
Carlos Ferrando, Marina Soro, Carmen Unzueta, Fernando Suarez-Sipmann, Jaume Canet, Julián Librero, Natividad Pozo, Salvador Peiró, Alicia Llombart, Irene León, Inmaculada India, Cesar Aldecoa, Oscar Díaz-Cambronero, David Pestaña, Francisco J Redondo, Ignacio Garutti, Jaume Balust, Jose I García, Maite Ibáñez, Manuel Granell, Aurelio Rodríguez, Lucía Gallego, Manuel de la Matta, Rafael Gonzalez, Andrea Brunelli, Javier García, Lucas Rovira, Francisco Barrios, Vicente Torres, Samuel Hernández, Estefanía Gracia, Marta Giné, María García, Nuria García, Lisset Miguel, Sergio Sánchez, Patricia Piñeiro, Roger Pujol, Santiago García-Del-Valle, José Valdivia, María J Hernández, Oto Padrón, Ana Colás, Jaume Puig, Gonzalo Azparren, Gerardo Tusman, Jesús Villar, Javier Belda
BACKGROUND: The effects of individualised perioperative lung-protective ventilation (based on the open-lung approach [OLA]) on postoperative complications is unknown. We aimed to investigate the effects of intraoperative and postoperative ventilatory management in patients scheduled for abdominal surgery, compared with standard protective ventilation. METHODS: We did this prospective, multicentre, randomised controlled trial in 21 teaching hospitals in Spain. We enrolled patients who were aged 18 years or older, were scheduled to have abdominal surgery with an expected time of longer than 2 h, had intermediate-to-high-risk of developing postoperative pulmonary complications, and who had a body-mass index less than 35 kg/m2...
January 19, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29367411/ards-challenges-in-patient-care-and-frontiers-in-research
#10
Lieuwe D Bos, Ignacio Martin-Loeches, Marcus J Schultz
This review discusses the clinical challenges associated with ventilatory support and pharmacological interventions in patients with acute respiratory distress syndrome (ARDS). In addition, it discusses current scientific challenges facing researchers when planning and performing trials of ventilatory support or pharmacological interventions in these patients.Noninvasive mechanical ventilation is used in some patients with ARDS. When intubated and mechanically ventilated, ARDS patients should be ventilated with low tidal volumes...
March 31, 2018: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29367408/physiology-of-the-lung-in-idiopathic-pulmonary-fibrosis
#11
REVIEW
Laurent Plantier, Aurélie Cazes, Anh-Tuan Dinh-Xuan, Catherine Bancal, Sylvain Marchand-Adam, Bruno Crestani
The clinical expression of idiopathic pulmonary fibrosis (IPF) is directly related to multiple alterations in lung function. These alterations derive from a complex disease process affecting all compartments of the lower respiratory system, from the conducting airways to the lung vasculature. In this article we review the profound alterations in lung mechanics (reduced lung compliance and lung volumes), pulmonary gas exchange (reduced diffusing capacity, increased dead space ventilation, chronic arterial hypoxaemia) and airway physiology (increased cough reflex and increased airway volume), as well as pulmonary haemodynamics related to IPF...
March 31, 2018: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29366495/cerebral-oximetry-monitoring-in-the-management-of-severe-hypoxaemia-associated-with-transposition-of-the-great-arteries-with-balloon-atrial-septostomy
#12
J C Pérez Moreno, D C Nájera Losada, P Sanabria Carretero, Á Paredes Lacave, F Benito Bartolomé
Transposition of the great arteries (D-TGA) is one of the most common congenital heart diseases requiring neonatal surgical intervention. In the desperately ill neonate with TGA and the resultant hypoxaemia, acidemia, and congestive heart failure, improvement is often obtained with balloon atrial septostomy (BAS). Current methods employed to evaluate oxygen delivery and tissue consumption are frequently nonspecific. Near infrared spectroscopy (NIRS) allows a continuous non-invasive measurement of tissue oxygenation which reflects perfusion status in real time...
January 21, 2018: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/29362258/cost-effectiveness-of-freeo2-in-patients-with-chronic-obstructive-pulmonary-disease-hospitalised-for-acute-exacerbations-analysis-of-a-pilot-study-in-quebec
#13
Thomas G Poder, Christian R C Kouakou, Pierre-Alexandre Bouchard, Véronique Tremblay, Sébastien Blais, François Maltais, François Lellouche
OBJECTIVE: Conduct a cost-effectiveness analysis of FreeO2 technology versus manual oxygen-titration technology for patients with chronic obstructive pulmonary disease (COPD) hospitalised for acute exacerbations. SETTING: Tertiary acute care hospital in Quebec, Canada. PARTICIPANTS: 47 patients with COPD hospitalised for acute exacerbations. INTERVENTION: An automated oxygen-titration and oxygen-weaning technology. METHODS AND OUTCOMES: The costs for hospitalisation and follow-up for 180 days were calculated using a microcosting approach and included the cost of FreeO2 technology...
January 23, 2018: BMJ Open
https://www.readbyqxmd.com/read/29326331/predicting-response-to-oxygen-therapy-in-obstructive-sleep-apnoea-patients-using-a-10-minute-daytime-test
#14
David Wang, Keith K Wong, Luke Rowsell, Garrick W Don, Brendon J Yee, Ronald R Grunstein
There is no satisfactory treatment for obstructive sleep apnoea (OSA). Supplemental low-flow oxygen therapy (LFO2) has been shown to reduce hypoxaemia and is well tolerated by patients with OSA. However, oxygen therapy may be beneficial only to certain subsets of patients with OSA. In this study, we evaluated a 10-min awake ventilatory chemoreflex test in predicting individual OSA response to 2 months of LFO2 therapy.At baseline, patients with OSA underwent ventilatory chemoreflex testing in the afternoon, prior to the overnight polysomnography...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29321930/a-case-of-pulmonary-cyst-and-pneumothorax-after-bronchial-thermoplasty
#15
Akifumi Funatsu, Konomi Kobayashi, Motoyasu Iikura, Satoru Ishii, Shinyu Izumi, Haruhito Sugiyama
Bronchial thermoplasty (BT) is a bronchoscopic treatment for severe asthma using thermal energy to reduce smooth muscle in the bronchial wall. A 47-year-old man underwent BT for uncontrolled severe asthma despite maximal pharmacological treatment. After a third procedure, he experienced hypoxaemia because of complete bilateral upper lobe atelectasis. A pulmonary cyst suddenly emerged in to the right middle lobe, associated with the pneumothorax on postoperative day 6, and a chest drainage tube was inserted...
February 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29321925/lupus-pneumonitis-presenting-with-high-titre-of-anti-ro-antibody
#16
Mei-Chuan Chen, Yueh-Lin Wu, Kai-Ling Lee, Kevin S Lai, Chi-Li Chung
Lupus pneumonitis carries high mortality and is a rare manifestation of systemic lupus erythematosus (SLE). However, it is difficult to diagnose and is often mistaken as pneumonia, alveolar haemorrhage, or organizing pneumonia. Previous studies demonstrated that serum anti-Ro antibodies are elevated more frequently in SLE patients with pneumonitis than in those without. We report a 21-year-old female who was newly diagnosed as having SLE with nephritis and who suddenly developed right lung opacity and rapidly progressed to severe hypoxaemia despite the use of broad-spectrum antibiotics...
January 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29298459/embolisation-for-pulmonary-arteriovenous-malformation
#17
REVIEW
Charlie C-T Hsu, Gigi Nc Kwan, Hannah Evans-Barns, Mieke L van Driel
BACKGROUND: Pulmonary arteriovenous malformations are abnormal direct connections between the pulmonary artery and pulmonary vein which result in a right-to-left shunt. They are associated with substantial morbidity and mortality mainly from the effects of paradoxical emboli. Potential complications include stroke, cerebral abscess, pulmonary haemorrhage and hypoxaemia. Embolisation is an endovascular intervention based on the occlusion of the feeding arteries the pulmonary arteriovenous malformations thus eliminating the abnormal right-to-left-shunting...
January 4, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29284686/role-of-common-hypnotics-on-the-phenotypic-causes-of-obstructive-sleep-apnoea-paradoxical-effects-of-zolpidem
#18
Jayne C Carberry, Lauren P Fisher, Ronald R Grunstein, Simon C Gandevia, David K McKenzie, Jane E Butler, Danny J Eckert
Hypnotics are contraindicated in obstructive sleep apnoea (OSA) because of concerns of pharyngeal muscle relaxation and delayed arousal worsening hypoxaemia. However, human data are lacking. This study aimed to determine the effects of three common hypnotics on the respiratory arousal threshold, genioglossus muscle responsiveness and upper airway collapsibility during sleep.21 individuals with and without OSA (18-65 years) completed 84 detailed sleep studies after receiving temazepam (10 mg), zolpidem (10 mg), zopiclone (7...
December 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29242121/postinduction-butorphanol-administration-alters-oxygen-consumption-to-improve-blood-gases-in-etorphine-immobilized-white-rhinoceros
#19
Peter Buss, Michele Miller, Andrea Fuller, Anna Haw, Eliza Stout, Francisco Olea-Popelka, Leith Meyer
OBJECTIVE: To investigate the effects of postinduction butorphanol administration in etorphine-immobilized white rhinoceros on respiration and blood gases. STUDY DESIGN: Randomized crossover study. ANIMALS: A group of six sub-adult male white rhinoceros. METHODS: Etorphine, or etorphine followed by butorphanol 12 minutes after recumbency, was administered intramuscularly [2.5 mg etorphine, 25 mg butorphanol (1000-1250 kg), or 3...
April 17, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29208583/challenging-anaesthetic-management-of-captive-reindeer-rangifer-tarandus-report-of-4-cases
#20
P Monticelli, A McSloy, U Morath, C Adami
Four captive reindeer underwent anaesthesia to allow dehorning or drainage of lymph nodes abscessation. Premedication was based on xylazine (dose range: 0.075- 0.5 mg/kg, IM or IV), with or without ketamine (dose range: 1-2 mg/kg, IM or IV), all of which failed to produce effective sedation without side effects. During anaesthesia, 2 reindeer experienced severe hypoxaemia and hypoventilation. Recovery was smooth in 3 out 4 animals, but delayed in one reindeer sedated with 0.5 mg/kg of xylazine IV; this patient required repeated atipamezole administrations (0...
December 2017: Schweizer Archiv Für Tierheilkunde
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