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Hypoxaemia

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https://www.readbyqxmd.com/read/29660106/safety-effectiveness-and-feasibility-of-outpatient-management-of-children-with-pneumonia-with-chest-indrawing-at-port-moresby-general-hospital-papua-new-guinea
#1
Rose Morre, Kone Sobi, Wendy Pameh, Paulus Ripa, John D Vince, Trevor Duke
Implementing the World Health Organization (WHO) recommendations on home-based management of pneumonia with chest indrawing is challenging in many settings. In Papua New Guinea, 120 children presenting with the WHO definition of pneumonia were screened for danger signs, comorbidities and hypoxaemia using pulse oximetry; 117 were appropriate for home care. We taught mothers about danger signs and when to return, using structured teaching materials and a video. The children were given a single dose of intramuscular benzylpenicillin, then sent home on oral amoxicillin for 5 days, with follow-up at Days 2 and 6...
April 6, 2018: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29628389/effects-of-buprenorphine-butorphanol-or-tramadol-premedication-on-anaesthetic-induction-with-alfaxalone-in-common-marmosets-callithrix-jacchus
#2
Jaco Bakker, Sandra Roubos, Edmond J Remarque, Saskia S Arndt, Peter W Kronen, Jan Am Langermans
OBJECTIVE: To investigate the clinical and physiological effects of intravenous (IV) alfaxalone alone or in combination with buprenorphine, butorphanol or tramadol premedication in marmosets. STUDY DESIGN: Prospective, randomized, blinded, crossover design. ANIMALS: Nine healthy marmosets (391 ± 48 g, 3.7 ± 2.2 years old). METHODS: Meloxicam 0.20 mg kg-1 subcutaneously, atropine 0.05 mg kg-1 intramuscularly (IM) and either buprenorphine 20 μg kg-1 IM (BUP-A), butorphanol 0...
February 5, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29622717/scorpion-bite-induced-unilateral-pulmonary-oedema
#3
Nandakishore Bompelli, Rakesh Reddy C, Anirudda Deshpande
A 24-year-old woman came to the emergency room of our hospital, 6 hours after a sting to the pulp of her middle finger of her left upper limb by an Indian red scorpion. On examination, she had tachycardia, tachypnoea, hypotension and low oxygen saturation at room temperature. On auscultation, there was poor air entry in all areas of the right lung along with crackles. The left lung field was normal on auscultation. Chest X-ray showed unilateral haziness of right lung field. Two-dimensional echocardiography showed clinical findings of myocarditis...
April 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29604081/the-peripheral-chemoreflex-indefatigable-guardian-of-fetal-physiological-adaptation-to-labour
#4
Christopher A Lear, Guido Wassink, Jenny A Westgate, Jan G Nijhuis, Austin Ugwumadu, Robert Galinsky, Laura Bennet, Alistair J Gunn
The fetus is consistently exposed to repeated periods of impaired oxygen (hypoxaemia) and nutrient supply in labour. This is balanced by the healthy fetus's remarkable anaerobic tolerance, and impressive ability to mount protective adaptations to hypoxaemia. The most important mediator of fetal adaptations to brief repeated hypoxaemia is the peripheral chemoreflex, a rapid reflex response to acute falls in arterial oxygen tension. The overwhelming majority of fetuses are able to respond to repeated uterine contractions without developing hypotension or hypoxic-ischaemic injury...
March 31, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29599530/excessive-activated-t-cell-proliferation-after-anti-cd19-car-t-cell-therapy
#5
Wen-Ying Zhang, Yang Liu, Yao Wang, Jing Nie, Ye-Lei Guo, Chun-Meng Wang, Han-Ren Dai, Qing-Ming Yang, Zhi-Qiang Wu, Wei-Dong Han
Excessive activated T-cell proliferation was observed in vivo in one patient after an anti-CD19-chimeric antigen receptor (CAR) T-cell infusion. The patient, who had chemotherapy refractory and CD19+ diffuse large B-cell lymphoma (DLBCL), received an anti-CD19 CAR T-cell infusion following conditioning chemotherapy (fludarabine/cyclophosphamide). The lymphocyte count in the peripheral blood (PB) increased to 77 × 109 /L on day 13 post infusion, and the proportion of CD8+ actived T cells was 93.06% of the lymphocytes...
March 29, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29599378/effects-of-supplemental-oxygen-therapy-in-patients-with-suspected-acute-myocardial-infarction-a-meta-analysis-of-randomised-clinical-trials
#6
Nariman Sepehrvand, Stefan K James, Dion Stub, Ardavan Khoshnood, Justin A Ezekowitz, Robin Hofmann
BACKGROUND: Although oxygen therapy has been used for over a century in the management of patients with suspected acute myocardial infarction (AMI), recent studies have raised concerns around the efficacy and safety of supplemental oxygen in normoxaemic patients. OBJECTIVE: To synthesise the evidence from randomised controlled trials (RCTs) that investigated the effects of supplemental oxygen therapy compared with room air in patients with suspected or confirmed AMI...
March 29, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29591780/a-comparison-of-the-effects-of-carbon-dioxide-and-medical-air-for-abdominal-insufflation-on-respiratory-parameters-in-xylazine-sedated-sheep-undergoing-laparoscopic-artificial-insemination
#7
J D Haan, B L Hay Kraus, S R Sathe
AIMS: To determine if abdominal insufflation with medical air will improve oxygenation and ventilation parameters when compared to insufflation with CO2 in xylazine-sedated sheep undergoing laparoscopic artificial insemination (AI). METHODS: Forty-seven sheep underwent oestrus synchronisation and were fasted for 24 hours prior to laparoscopic AI. Each animal was randomised to receive either CO2 or medical air for abdominal insufflation. An auricular arterial catheter was placed and utilised for serial blood sampling...
March 28, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29582497/emergency-department-risk-factors-for-serious-clinical-deterioration-in-a-paediatric-hospital-in-peru
#8
Katie R Nielsen, Rubén Aronés Rojas, José Tantaleán da Fieno, Luis Huicho, Joan S Roberts, Joseph Zunt
AIM: Identification of critically ill children upon presentation to the emergency department (ED) is challenging, especially when resources are limited. The objective of this study was to identify ED risk factors associated with serious clinical deterioration (SCD) during hospitalisation in a resource-limited setting. METHODS: A retrospective case-control study of children less than 18 years of age presenting to the ED in a large, freestanding children's hospital in Peru was performed...
March 26, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29577091/early-administration-of-venovenous-extracorporeal-life-support-for-status-asthmaticus-during-anaesthetic-induction-case-report-and-literature-review
#9
Won Ho Chang
Here we report a case of a 40-year-old man who visited the emergency room with severe chest pain. He showed a Stanford type B aortic dissection on chest-computed tomography. Despite medical treatment and malperfusion of lower extremities, acute renal failure developed; hence thoracic endovascular aortic repair (TEVAR) was considered under general anaesthesia. After endotracheal intubation, ventilation with low tidal volume required high inspiratory airway pressure. An arterial blood gas analysis showed PaCO2 of 61...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29558860/pregnant-sheep-develop-hypoxaemia-during-short-term-anaesthesia-for-caesarean-delivery
#10
Gabrielle C Musk, Matthew W Kemp
Short-term anaesthesia of the pregnant ewe may be required for caesarean delivery of a preterm foetus within a research protocol. The aim of this study was to evaluate and compare the acid-base and haematological status of the ewe and foetus at the time of surgical delivery by collecting maternal and foetal arterial blood samples. Fifteen date-mated singleton-pregnant merino cross ewes at 122.0 (±0.5) days of gestation were anaesthetised with a combination of midazolam (0.5 mg/kg) and ketamine (10 mg/kg) by intravenous injection...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29540496/exacerbations-of-copd
#11
Christian Viniol, Claus F Vogelmeier
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. While COPD is a mainly chronic disease, a substantial number of patients suffer from exacerbations. Severe exacerbations are related to a significantly worse survival outcome. This review summarises the current knowledge on the different aspects of COPD exacerbations. The impact of risk factors and triggers such as smoking, severe airflow limitation, bronchiectasis, bacterial and viral infections and comorbidities is discussed...
March 31, 2018: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29485932/do-we-have-scientific-evidence-about-the-effect-of-hypoxaemia-on-cognitive-outcome-in-adult-patients-with-severe-acute-respiratory-failure
#12
Bernhard Holzgraefe, Anders Larsson, Laura Von Kobyletzki
No abstract text is available yet for this article.
February 27, 2018: Upsala Journal of Medical Sciences
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
#13
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
#14
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 H2 O). 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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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