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Oxygen therapy prescribing

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https://www.readbyqxmd.com/read/29404940/impact-of-procalcitonin-guidance-on-management-of-adults-hospitalized-with-chronic-obstructive-pulmonary-disease-exacerbations
#1
Derek N Bremmer, Briana E DiSilvio, Crystal Hammer, Moeezullah Beg, Swati Vishwanathan, Daniel Speredelozzi, Matthew A Moffa, Kurt Hu, Rasha Abdulmassih, Jina T Makadia, Rikinder Sandhu, Mouhib Naddour, Noreen H Chan-Tompkins, Tamara L Trienski, Courtney Watson, Terrence J Obringer, Jim Kuzyck, Thomas L Walsh
BACKGROUND: Antibiotics are often prescribed for hospitalized patients with chronic obstructive pulmonary disease (COPD) exacerbations. The use of procalcitonin (PCT) in the management of pneumonia has safely reduced antibiotic durations, but limited data on the impact of PCT guidance on the management of COPD exacerbations remain. OBJECTIVE: To determine the impact of PCT guidance on antibiotic utilization for hospitalized adults with exacerbations of COPD. DESIGN: A retrospective, pre-/post-intervention cohort study was conducted to compare the management of patients admitted with COPD exacerbations before and after implementation of PCT guidance...
February 5, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29354672/impact-of-heated-humidified-high-flow-air-via-nasal-cannula-on-respiratory-effort-in-patients-with-chronic-obstructive-pulmonary-disease
#2
Charles W Atwood, Sharon Camhi, Kathryn C Little, Colleen Paul, Hobart Schweikert, Nicholas J Macmillan, Thomas L Miller
Background: High flow nasal cannula therapy (HFNC) has been widely adopted for respiratory distress, and evidence suggests that purging dead space of the upper airway improves gas fractions in the lung. This study tests the hypothesis that HFNC with room air could be as effective as low flow oxygen in chronic obstructive pulmonary disease (COPD). Methods: Thirty-two COPD patients prescribed 1 - 2 L/min of oxygen were studied. The conditions tested consisted of a control (CTRL; no therapy), then in random order HFNC and prescribed low flow oxygen (LFO)...
August 15, 2017: Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation
https://www.readbyqxmd.com/read/29345397/characteristics-of-patients-who-progress-from-bridging-to-long-term-oxygen-therapy
#3
Kovi Levin, Brigitte Borg, Belinda Miller, Kirk Kee, Eli Dabscheck
BACKGROUND AND OBJECTIVE: Patients with persistent hypoxia following an acute hospital admission may be discharged with "bridging" domiciliary oxygen as per criteria defined by the Thoracic Society of Australia and New Zealand. The need for continuous Long-Term Oxygen Therapy (LTOT) is then reassessed at a clinic review 1-2 months later. The aim of this study is to describe the characteristics of patients discharged from an acute hospital admission with continuous Short Term Oxygen Therapy (STOT), and subsequently to investigate for differences between subjects who proceeded to qualify for continuous LTOT versus those who were able to cease STOT at review...
January 18, 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29319542/supplemental-oxygen-in-patients-with-stable-chronic-obstructive-pulmonary-disease-evidence-from-nocturnal-oxygen-treatment-trial-to-long-term-oxygen-treatment-trial
#4
Umur Hatipoğlu, James K Stoller
PURPOSE OF REVIEW: Oxygen therapy was the first treatment shown to prolong life in patients with chronic obstructive pulmonary disease (COPD) and has been joined by lung volume reduction surgery in selected patients with emphysema, smoking cessation, and potentially noninvasive ventilation in chronic hypercapneic respiratory failure. Although there is consensus around the survival-enhancing effect of supplemental oxygen (SupplO2) for patients with chronic severe hypoxemia at rest, the impact of SupplO2 for COPD patients with moderate hypoxemia and exertional desaturation had been less clear...
March 2018: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29316277/modification-of-oxygen-concentrators-based-on-questionnaire-survey
#5
Masahiro Shinoda, Masaharu Shinkai, Akimichi Nagashima, Kenjiro Nagai, Kei Takagi, Takeshi Kaneko
BACKGROUND: In this study, we conducted a questionnaire survey to clarify and improve problems related to oxygen concentrators. METHODS: Using a questionnaire survey of 30 patients receiving long-term oxygen therapy for chronic respiratory failure, we investigated the necessity of using a remote controller, portability, fire prevention system, built-in battery type and so on. Patients were divided into two groups according to age, sex, underlying conditions, and amount of oxygen prescribed, then analyzed accordingly...
January 8, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29272974/home-oxygen-therapy-re-thinking-the-role-of-devices
#6
Andrea S Melani, Piersante Sestini, Paola Rottoli
A range of devices are available for delivering and monitoring home oxygen therapy (HOT). Guidelines do not give indications for the choice of the delivery device but recommend the use of an ambulatory system in subjects on HOT whilst walking. Areas covered: We provide a clinical overview of HOT and review traditional and newer delivery and monitoring devices for HOT. Despite relevant technology advancements, clinicians, faced with many challenges when they prescribe oxygen therapy, often remain familiar to traditional devices and continuous flow delivery of oxygen...
January 4, 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29246227/statin-consumption-as-a-risk-factor-for-developing-colorectal-cancer-a-retrospective-case-study
#7
David Renman, Erik Lundberg, Ulf Gunnarsson, Karin Strigård
BACKGROUND: Statins are the backbone of lipid-lowering therapy and are among the most commonly prescribed drugs in the elderly population in Sweden today. Colorectal cancer is the second most common cancer in men and women, after prostate and breast cancer, respectively, with a median age of 72 years at diagnosis. Statins induce mitochondrial damage leading to accumulation of reactive oxygen species in the cell. Reactive oxygen species can cause mutations in mitochondrial as well as nuclear DNA leading to the development of cancer...
December 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29216952/-sepsis-induced-cardiomyopathy-complicated-with-cardiogenic-shock-patients-supported-with-extracorporeal-membrane-oxygenation
#8
Changzhi Liu, Ruiqiu Zhu, Zhujiang Zhou, Haifeng Liu, Jingcheng Lin, Shuchao Wen, Liuer Zuo
Sepsis-induced cardiomyopathy is a reversible myocardial dysfunction due to sepsis, which may be severe enough to complicate cardiogenic shock, and without effective drug and with high mortality during the acute phase. A case of sepsis-induced cardiomyopathy complicated with cardiogenic shock was treated in the intensive care unit (ICU) of Shunde Hospital Southern Medical University. A 37 years old female patient was admitted because she had suffered repeated fever for 5 days, chest tightness and abdominal pain for 3 days...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29165777/the-use-of-crystalloids-in-traumatic-brain-injury
#9
Wojciech Dąbrowski, Tom Woodcock, Ziemowit Rzecki, Manu L N G Malbrain
Fluid therapy is one of the most important treatments in patients with traumatic brain injury (TBI) as both hypo- and hypervolaemia can cause harm. The main goals of fluid therapy for patients with TBI are to optimize cerebral perfusion and to maintain adequate cerebral oxygenation. The avoidance of cerebral oedema is clearly essential. The current weight of evidence in the published literature suggests that albumin therapy is harmful and plasma substitutes have failed to demonstrate superiority over crystalloids solutions...
November 22, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29133978/a-nationwide-structure-for-valid-long-term-oxygen-therapy-29-year-prospective-data-in-sweden
#10
Magnus Ekström, Zainab Ahmadi, Hillevi Larsson, Tove Nilsson, Josefin Wahlberg, Kerstin E Ström, Bengt Midgren
Background: Long-term oxygen therapy (LTOT) improves prognosis in COPD with severe hypoxemia. However, adherence to criteria for eligibility and quality of LTOT is often insufficient and varies between countries. The aim of this study was to evaluate a national structure for prescription and management of LTOT over three decades in Sweden. Methods: The study was a prospective, population-based study of 23,909 patients on LTOT from 1987 to 2015 in the Swedish National Register of Respiratory Failure (Swedevox)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28991498/spontaneous-pneumomediastinum-complicating-severe-acute-asthma-exacerbation-in-adult-patients
#11
Andrea Vianello, Marco Caminati, Fulvia Chieco-Bianchi, Maria Rita Marchi, Stefania Vio, Giovanna Arcaro, Silvia Iovino, Fausto Braccioni, Beatrice Molena, Cristian Turato, Piera Peditto, Laura Battistella, Federico Gallan, Gianenrico Senna
OBJECTIVES: The real incidence of pneumomediastinum (PNM) in adult patients with severe acute asthma exacerbation continues to be unknown. The current study aims to investigate the occurrence of PNM in an adult population of patients presenting a severe asthma attack and to evaluate the risk factors associated to its development. METHODS: The 45 consecutive subjects who were admitted to our Division between January 1, 2015 and December 31, 2016 for severe acute asthma exacerbation underwent a diagnostic protocol including a standard chest X-ray and continuous monitoring of arterial oxygen saturation (SaO2) during the first 24 hours following admission...
October 9, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28948063/fetal-thoracoamniotic-shunting-in-a-case-of-congenital-pulmonary-airway-malformations-with-hydrops-fetalis
#12
Hayase Nitta, Yusuke Taira, Tadatsugu Kinjo, Yukiko Chinen, Hitoshi Masamoto, Naoya Sanabe, Hideki Goya, Tomohide Yoshida, Rika Sugibayashi, Masahiro Sumie, Seiji Wada, Haruhiko Sago, Yoichi Aoki
Aim  We report a case of congenital pulmonary airway malformation (CPAM) with hydrops in which the fetus underwent thoracoamniotic shunting. Case Report  A 40-year-old (G1P1) woman was diagnosed with a macrocystic CPAM. Thoracoamniotic shunting was performed at 19 weeks of gestation but not well drained and was successfully performed again at 23 weeks. However, the CPAM volume ratio, abdominal circumference, and amniotic fluid index started increasing from 28 weeks and hydrops worsened. The insufficient shunting and the fetal cardiac failure had to be considered...
July 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28919732/capillary-po2-does-not-adequately-reflect-arterial-po2-in-hypoxemic-copd-patients
#13
Friederike Sophie Magnet, Daniel Sebastian Majorski, Jens Callegari, Sarah Bettina Schwarz, Claudia Schmoor, Wolfram Windisch, Jan Hendrik Storre
PURPOSE: To compare arterial (PaO2) with capillary (PcO2) partial pressure of oxygen in hypoxemic COPD patients because capillary blood gas analysis (CBG) is increasingly being used as an alternative to arterial blood gas analysis (ABG) in a non-intensive care unit setting, although the agreement between PcO2 and PaO2 has not been evaluated in hypoxemic COPD patients. PATIENTS AND METHODS: Bland-Altman comparison of PaO2 and PcO2 served as the primary outcome parameter if PcO2 values were ≤60 mmHg and the secondary outcome parameter if PcO2 values were ≤55 mmHg...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28874953/pleiotropic-effects-of-biguanides-on-mitochondrial-reactive-oxygen-species-production
#14
Alena Pecinova, Zdenek Drahota, Jana Kovalcikova, Nikola Kovarova, Petr Pecina, Lukas Alan, Michal Zima, Josef Houstek, Tomas Mracek
Metformin is widely prescribed as a first-choice antihyperglycemic drug for treatment of type 2 diabetes mellitus, and recent epidemiological studies showed its utility also in cancer therapy. Although it is in use since the 1970s, its molecular target, either for antihyperglycemic or antineoplastic action, remains elusive. However, the body of the research on metformin effect oscillates around mitochondrial metabolism, including the function of oxidative phosphorylation (OXPHOS) apparatus. In this study, we focused on direct inhibitory mechanism of biguanides (metformin and phenformin) on OXPHOS complexes and its functional impact, using the model of isolated brown adipose tissue mitochondria...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28869712/acute-oxygen-therapy-an-audit-of-prescribing-and-delivery-practices-in-a-tertiary-hospital-in-perth-western-australia
#15
Anam Kamran, Elisa Chia, Claire Tobin
BACKGROUND: Oxygen is a widely used drug in the hospital setting. However, international audits suggest that oxygen administration practices are often not compliant with prescribed standards. This can place patients at risk and cause serious adverse events. AIM: To analyse data related to recent practices of oxygen prescription and administration at Royal Perth Hospital (RPH), Western Australia. The results of this audit aim to guide further research on possible interventional studies implementing key solutions...
September 4, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28842974/economics-of-inhaled-oxygen-use-as-an-acute-therapy-for-cluster-headache-in-the-united-states-of-america
#16
Megan O'Brien, Janet H Ford, Sheena K Aurora, Sriram Govindan, Deborah E Tepper, Stewart J Tepper
BACKGROUND: Cluster headache (CH) is a primary headache disorder associated with low levels of diagnosis and high unmet medical need. The pain attacks, associated anxiety, and fear in anticipation of the attacks are extremely debilitating to a patient with CH. For acute therapy, treatment guidelines recommend inhalation of high flow oxygen during the period of an attack. However, the use of oxygen for treatment of CH remains largely underutilized. OBJECTIVES: The objectives of the study, which covered each of the US states, were to map the current market landscape of medical grade oxygen for use in CH and to develop a cost simulator based on a patient's needs and geography...
October 2017: Headache
https://www.readbyqxmd.com/read/28796538/oxygen-therapy-for-interstitial-lung-disease-physicians-perceptions-and-experiences
#17
Yet H Khor, Nicole Sl Goh, Christine F McDonald, Anne E Holland
RATIONALE: Domiciliary oxygen therapy (DOT) is commonly prescribed for patients with interstitial lung disease (ILD) and hypoxaemia, although evidence supporting benefit is limited. OBJECTIVES: The aim of this study was to explore perspectives of respiratory physicians about DOT in patients with ILD. METHODS: A qualitative study was undertaken with 26 respiratory physicians from Australia. Interviews were transcribed verbatim and coded independently by two investigators...
August 10, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28790808/copd-patients-self-reported-adherence-psychosocial-factors-and-mild-cognitive-impairment-in-pulmonary-rehabilitation
#18
Antonia Pierobon, Elisa Sini Bottelli, Laura Ranzini, Claudio Bruschi, Roberto Maestri, Giorgio Bertolotti, Marinella Sommaruga, Valeria Torlaschi, Simona Callegari, Anna Giardini
In addition to clinical comorbidities, psychological and neuropsychological problems are frequent in COPD and may affect pulmonary rehabilitation delivery and outcome. The aims of the study were to describe a COPD population in a rehabilitative setting as regards the patients depressive symptoms, anxiety, mild cognitive impairment (MCI) and self-reported adherence and to analyze their relationships; to compare the COPD sample MCI scores with normative data; and to investigate which factors might predict adherence to prescribed physical exercise...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28775065/effect-of-hypoxia-and-hyperoxia-on-exercise-performance-in-healthy-individuals-and-in-patients-with-pulmonary-hypertension-a-systematic-review
#19
Silvia Ulrich, Simon Raphael Schneider, Konrad E Bloch
Exercise performance is determined by oxygen supply to working muscles and vital organs. In healthy individuals, exercise performance is limited in the hypoxic environment at altitude, when oxygen delivery is diminished due to the reduced alveolar and arterial oxygen partial pressures. In patients with pulmonary hypertension, exercise performance is already reduced near sea level due to impairments of the pulmonary circulation and gas exchange and, presumably, these limitations are more pronounced at altitude...
August 3, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28770436/in-vitro-and-ex-vivo-neurotoxic-effects-of-efavirenz-are-greater-than-those-of-other-common-antiretrovirals
#20
Vincent T Ciavatta, Edyta K Bichler, Iris A Speigel, Courtney C Elder, Shavonne L Teng, William R Tyor, Paul S García
Although antiretroviral (ARV) therapy has reduced the incidence of severe dementia associated with HIV infection, there has been a rise in milder neurocognitive complaints. Data from HIV patients taking ARVs have shown measurable neurocognitive improvements during drug cessation, suggesting a neurotoxic role of the therapy itself. Mechanisms underlying potential ARV neurotoxicity have not been thoroughly investigated, however pathologic oxidative stress and mitochondrial dysfunction have been suspected. Using DIV 16 primary rat cortical neuron culture, we tested eight ARVs from the three most commonly prescribed ARV classes: nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs/NtRTIs), non-nucleoside reverse transcriptase inhibitors (NNRTIs), and protease inhibitors (PIs) for effects on neuron viability and morphology after 24 h of drug exposure...
November 2017: Neurochemical Research
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