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Hypoxaemia

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https://www.readbyqxmd.com/read/28486654/oxygen-availability-and-nursing-capacity-for-oxygen-therapy-in-ugandan-paediatric-wards
#1
Juliet Nabwire, Sophie Namasopo, Michael Hawkes
Oxygen is essential, life-saving, supportive treatment for children with hypoxaemia but is not available in many resource-constrained health facilities. We conducted a cross-sectional survey of oxygen availability and nurses' skills for oxygen administration at the paediatric wards of 11 district hospitals in eastern Uganda. Functional oxygen delivery was available at the paediatric wards of only 2 of 11 (18%) hospitals. Of the six concentrators found, two did not function at all and two produced a stream of O2 <80% pure...
May 8, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28449046/prone-positioning-as-a-bridge-to-recovery-from-refractory-hypoxaemia-following-lung-transplantation%C3%A2
#2
Jordi Riera, Carolina Maldonado, Cristopher Mazo, María Martínez, Jaume Baldirà, Leonel Lagunes, Salvador Augustin, Antonio Roman, Maria Due, Jordi Rello, Deborah J Levine
OBJECTIVES: Refractory hypoxaemia is the leading cause of mortality in the postoperative period after lung transplantation. The role of prone positioning as a rescue therapy in this setting has not been assessed. We evaluated its effects in lung transplant recipients presenting refractory hypoxaemia following the surgery. METHODS: Prospectively collected data from 131 consecutive adult patients undergoing lung transplantation between January 2013 and December 2014 were evaluated...
April 25, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28435681/a-hol-e-y-predicament
#3
Shaiva Ginoya Meka, Daniel Shelden, Amy Mertens, Paul Christensen, Meet Patel
Endocardial cushion defects are congenital abnormalities that result in valvular dysfunction as well as defects (or "holes") in the septa of the heart. They are typically diagnosed in early infancy; presentation late in life is rare. We present the case of a 72-year-old female admitted to the hospital with dyspnoea and palpitations. She was found to have multifocal atrial tachycardia. She suffered cardiac arrest associated with refractory hypoxaemia that required mechanical ventilation and vasodilator therapy with inhaled nitric oxide...
July 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28409007/subclinical-sleep-apnoea-and-plasma-levels-of-endothelin-1-among-young-and-healthy-adults
#4
Tobias Schoen, Stefanie Aeschbacher, Joerg D Leuppi, David Miedinger, Ursina Werthmüller, Joel Estis, John Todd, Martin Risch, Lorenz Risch, David Conen
OBJECTIVE: Obstructive sleep apnoea (OSA) is a risk factor for vascular disease and other adverse outcomes. These associations may be at least partly due to early endothelin-1 (ET-1)-mediated endothelial dysfunction (ED). Therefore, we assessed the relationships between subclinical sleep apnoea and plasma levels of ET-1. METHODS: We performed a population-based study among 1255 young and healthy adults aged 25-41 years. Cardiovascular disease, diabetes or a body mass index >35 kg/m(2) were exclusion criteria...
2017: Open Heart
https://www.readbyqxmd.com/read/28385614/review-of-hypoxaemia-in-anaesthetized-horses-predisposing-factors-consequences-and-management
#5
REVIEW
Adam Auckburally, Görel Nyman
OBJECTIVE: To discuss how hypoxaemia might be harmful and why horses are particularly predisposed to developing it, to review the strategies that are used to manage hypoxaemia in anaesthetized horses, and to describe how successful these strategies are and the adverse effects associated with them. DATABASES USED: Google Scholar and PubMed, using the search terms horse, pony, exercise, anaesthesia, hypoxaemia, oxygen, mortality, morbidity and ventilation perfusion mismatch...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28366333/high-prevalence-of-recurrent-nocturnal-desaturations-in-systemic-al-amyloidosis-a-cross-sectional-pilot-study
#6
Shameem Mahmood, Milind Sovani, Peter Smith, Leena George, Christina C Quarta, Sajitha Sachchithanantham, Marianna Fontana, Carol J Whelan, Helen J Lachmann, Julian D Gillmore, Philip N Hawkins, Ashutosh D Wechalekar
OBJECTIVES: Cardiac involvement and/or macroglossia with soft tissue deposits are risk factors for central sleep apnoea (CSA) and obstructive sleep apnoea (OSA), and common features of systemic AL amyloidosis. Little data exist on the occurrence of sleep-disordered breathing (SDB) or recurrent nocturnal hypoxia in amyloidosis, which this study sought to investigate. METHODS: A total of 72 consecutive patients with systemic amyloidosis (mean age 69 years and mean BMI 25) were evaluated for occurrence of SDB, by overnight continuous pulse oximetry, and completed Epworth Sleepiness Score (ESS) and STOPBANG questionnaires...
April 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28351440/-high-nasal-flow-the-solution-for-hypoxaemia
#7
J G van den Aardweg
High nasal flow (HNF) is a new method to deliver a high flow of oxygen (up to 60 l/min) through a nasal cannula. The inspiratory oxygen fraction can be set in a range from 21 to 100%. The inspired air is adjusted to body temperature and saturation. Many patients find it more comfortable than a conventional oxygen mask. In spite of these advantages, the mechanism of action is not completely understood and empirical evidence for its use is limited. This article provides a simplified explanation of variable positive airway pressure generation by HNF and related flushing of the anatomic dead space...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28318025/maternal-chronic-hypoxia-increases-expression-of-genes-regulating-lung-liquid-movement-and-surfactant-maturation-in-male-fetuses-in-late-gestation
#8
Erin V McGillick, Sandra Orgeig, Beth J Allison, Kirsty L Brain, Youguo Niu, Nozomi Itani, Katie L Skeffington, Andrew D Kane, Emilio A Herrera, Dino A Giussani, Janna L Morrison
Chronic fetal hypoxaemia is a common pregnancy complication that may arise from maternal, placental and/or fetal factors. Respiratory outcome of the infant at birth likely depends on the duration, timing and severity of the hypoxaemic insult. We have isolated the effect of maternal chronic hypoxia (MCH) for a month in late gestation on fetal lung development. Pregnant ewes were exposed to normoxia (21% O2 ) or hypoxia (10% O2 ) from 105-138 d gestation (term ∼145 d). At 138 d, gene expression in fetal lung tissue was determined by qRT-PCR...
March 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28316105/hypoxaemia-and-septic-shock-were-independent-risk-factors-for-mechanical-ventilation-in-bangladeshi-children-hospitalised-for-diarrhoea
#9
Mohammod Jobayer Chisti, K M Shahunja, Farzana Afroze, Abu Smsb Shahid, Sharifuzzaman, Tahmeed Ahmed
AIM: In Bangladesh approximately 6% of children under five years of age die due to diarrhoea. We evaluated the admission and hospitalisation risk factors for mechanical ventilation and outcomes in children with diarrhoea. METHODS: This retrospective case-control chart analysis was conducted in the intensive care unit of Dhaka Hospital of International Centre for Diarrhoeal Disease Research, Bangladesh. We enrolled 219 children with diarrhoea aged 0-59 months between August 2009 and July 2013...
March 17, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28287055/congenital-pulmonary-lymphangiectasia-and-early-mortality-after-stage-1-reconstruction-procedures
#10
Jeremy L Herrmann, Mallory L Irons, Christopher E Mascio, Jack Rychik, Thomas L Spray, J William Gaynor, Jennifer E Pogoriler
OBJECTIVES: Pulmonary lymphangiectasia associated with hypoplastic left heart syndrome with an intact or restrictive atrial septum may result from increased left atrial pressure, and is associated with worse outcomes following staged reconstruction due to lung dysfunction and significant hypoxaemia. Our objective was to characterise the incidence of pulmonary lymphangiectasia in cases of early mortality following stage 1 reconstructions. METHODS: An institutional cardiac surgical database was retrospectively searched for patients who died within 30 days following a stage 1 reconstruction between 1 January, 1984 and 31 December, 2013...
March 13, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28281770/tremors-in-white-rhinoceroses-i-ceratotherium-simum-i-during-etorphine-azaperone-immobilisation
#11
Stephanie S De Lange, Andrea Fuller, Anna Haw, Markus Hofmeyr, Peter Buss, Michele Miller, Leith C R Meyer
Little is known about the mechanisms causing tremors during immobilisation of rhinoceros and whether cardiorespiratory supportive interventions alter their intensity. Therefore, we set out to determine the possible mechanisms that lead to muscle tremors and ascertain whether cardiorespiratory supportive interventions affect tremor intensity. We studied tremors and physiological responses during etorphine-azaperone immobilisation in eight boma-held and 14 free-living white rhinoceroses. Repeated measures analysis of variance and a Friedman test were used to determine differences in variables over time and between interventions...
February 24, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/28276182/application-of-the-national-early-warning-score-news-as-a-stratification-tool-on-admission-in-an-italian-acute-medical-ward-a-perspective-study
#12
Walter Spagnolli, Marta Rigoni, Emanuele Torri, Susanna Cozzio, Elisa Vettorato, Giandomenico Nollo
AIM: We aimed to assess the performance of the National Early Warning Score (NEWS) as tool for patient risk stratification at admission in an acute Internal Medicine ward and to ensure patient placement in ward areas with the required and most appropriate intensity of care. As secondary objective, we considered NEWS performance in two subgroups of patients: sudden cardiac events (acute coronary syndromes and arrhythmic events), and chronic respiratory insufficiency. METHODS: We conducted a perspective cohort single centre study on 2,677 unselected patients consecutively admitted from July 2013 to March 2015 in the Internal Medicine ward of the hospital of Trento, Italy...
March 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28250482/efficacy-of-intravenous-dexmedetomidine-on-patient-s-satisfaction-comfort-and-sedation-during-awake-fibre-optic-intubation-in-patients-with-cervical-spondylotic-myelopathy-posted-for-elective-cervical-fixation
#13
Saikat Niyogi, Samir Basak, Amita Acharjee, Indrani Chakraborty
BACKGROUND AND AIMS: Various anaesthetic drugs, in addition to airway block, are used for producing favourable intubation conditions during awake fibre-optic intubation (AFOI), but most of them cause respiratory depression and hypoxaemia. The aim of this study was to evaluate the efficacy of intravenous (IV) dexmedetomidine (DEX) on sedation, patient comfort and cardiovascular responses during AFOI in patients with cervical spondylotic myelopathy (CSM). METHODS: This randomised, placebo-controlled, double-blinded, prospective study was conducted on 56 adult patients with cervical spondylotic myelopathy (CSM) undergoing elective cervical fixation, who were randomly allocated into two groups - Group D and Group C...
February 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28225205/greater-endurance-capacity-and-improved-dyspnoea-with-acute-oxygen-supplementation-in-idiopathic-pulmonary-fibrosis-patients-without-resting-hypoxaemia
#14
Leona M Dowman, Christine F McDonald, Steven Bozinovski, Ross Vlahos, Rebecca Gillies, Dodie Pouniotis, Catherine J Hill, Nicole S L Goh, Anne E Holland
BACKGROUND AND OBJECTIVE: Supplemental oxygen is commonly prescribed in patients with idiopathic pulmonary fibrosis (IPF), although its benefits have not been proven. The aims of this study were to investigate the effect of oxygen on oxidative stress, cytokine production, skeletal muscle metabolism and physiological response to exercise in IPF. METHODS: Eleven participants with IPF received either oxygen, at an FiO2 of 0.50, or compressed air for 1 h at rest and during a cycle endurance test at 85% of peak work rate...
February 22, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28225159/a-7-year-follow-up-study-of-obstructive-sleep-apnoea-in-healthy-elderly-the-proof-cohort-study
#15
Emilia Sforza, David Hupin, Vincent Pichot, Jean Claude Barthélémy, Frédéric Roche
BACKGROUND AND OBJECTIVE: Clinical and epidemiological cohort studies have shown that obstructive sleep apnoea (OSA) is a common but largely undiagnosed disorder in senior subjects, where progressive deterioration of the pathology would be expected as a consequence of the ageing processes. Our study examines the longitudinal progression of OSA over a 7-year period in a community-based sample of healthy subjects. METHODS: The sample consisted of 284 volunteers, aged >65 years (52% women, 48% men) accepting clinical and instrumental follow-up at 7 years...
February 22, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28215132/physiological-antecedents-and-ward-clinician-responses-before-medical-emergency-team-activation
#16
Stephanie K Sprogis, Judy Currey, Julie Considine, Ian Baldwin, Daryl Jones
OBJECTIVES: To investigate the frequency, characteristics and timing of objectively measured clinical instability in adult ward patients in the 24 hours preceding activation of the medical emergency team (MET). We also examined ward clinician responses to documented clinical instability. DESIGN, SETTING AND PARTICIPANTS: A descriptive, exploratory design with a retrospective medical record audit. We descriptively analysed data from 200 ward patients reviewed by the MET at a tertiary teaching hospital in Melbourne, Australia, during 2014...
March 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28210319/physiology-of-respiratory-disturbances-in-muscular-dystrophies
#17
Antonella Lo Mauro, Andrea Aliverti
Muscular dystrophy is a group of inherited myopathies characterised by progressive skeletal muscle wasting, including of the respiratory muscles. Respiratory failure, i.e. when the respiratory system fails in its gas exchange functions, is a common feature in muscular dystrophy, being the main cause of death, and it is a consequence of lung failure, pump failure or a combination of the two. The former is due to recurrent aspiration, the latter to progressive weakness of respiratory muscles and an increase in the load against which they must contract...
December 2016: Breathe
https://www.readbyqxmd.com/read/28210313/hypoxaemia-in-a-pregnant-lady
#18
Hasan S Yamin, Amro Y Al-Astal
A pregnant lady at gestational age of 32 weeks presents with refractory hypoxaemia in this case report http://ow.ly/MM9C301zeVx.
September 2016: Breathe
https://www.readbyqxmd.com/read/28209638/the-effect-of-implementing-an-automated-oxygen-control-on-oxygen-saturation-in-preterm-infants
#19
H A Van Zanten, K L A M Kuypers, B J Stenson, T E Bachman, S C Pauws, A B Te Pas
OBJECTIVE: To evaluate the effect of implementing automated oxygen control as routine care in maintaining oxygen saturation (SpO2) within target range in preterm infants. METHODS: Infants <30 weeks gestation in Leiden University Medical Centre before and after the implementation of automated oxygen control were compared. The percentage of time spent with SpO2 within and outside the target range (90-95%) was calculated. SpO2 values were collected every minute and included for analysis when infants received extra oxygen...
February 16, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28196557/anomalous-drainage-of-isolated-superior-caval-vein-to-the-left-atrium-the-oldest-reported-unrepaired-case
#20
Maria Boutsikou, Dudley J Pennell, Eva Nyktari
Isolated right superior caval vein drainage into the left atrium is a rare congenital cardiac anomaly usually presenting with hypoxaemia and cyanosis. Surgical repair is the definitive treatment for this condition. In this report, we present the case of a 72-year-old patient with uncorrected anomalous drainage of a right superior caval vein into the left atrium, first diagnosed in the 1960s. To the best of our knowledge, this is the oldest reported unrepaired case.
February 15, 2017: Cardiology in the Young
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