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1.
Pneumologie ; 76(3): 159-216, 2022 Mar.
Article in German | MEDLINE | ID: mdl-34474487

ABSTRACT

BACKGROUND: Oxygen (O2) is a drug with specific biochemical and physiologic properties, a range of effective doses and may have side effects. In 2015, 14 % of over 55 000 hospital patients in the UK were using oxygen. 42 % of patients received this supplemental oxygen without a valid prescription. Healthcare professionals are frequently uncertain about the relevance of hypoxemia and have low awareness about the risks of hyperoxemia. Numerous randomized controlled trials about targets of oxygen therapy have been published in recent years. A national guideline is urgently needed. METHODS: A S3-guideline was developed and published within the Program for National Disease Management Guidelines (AWMF) with participation of 10 medical associations. Literature search was performed until Feb 1st 2021 to answer 10 key questions. The Oxford Centre for Evidence-Based Medicine (CEBM) System ("The Oxford 2011 Levels of Evidence") was used to classify types of studies in terms of validity. Grading of Recommendations, Assessment, Development and Evaluation (GRADE) was used and for assessing the quality of evidence and for grading guideline recommendation and a formal consensus-building process was performed. RESULTS: The guideline includes 34 evidence-based recommendations about indications, prescription, monitoring and discontinuation of oxygen therapy in acute care. The main indication for O2 therapy is hypoxemia. In acute care both hypoxemia and hyperoxemia should be avoided. Hyperoxemia also seems to be associated with increased mortality, especially in patients with hypercapnia. The guideline provides recommended target oxygen saturation for acute medicine without differentiating between diagnoses. Target ranges for oxygen saturation are depending on ventilation status risk for hypercapnia. The guideline provides an overview of available oxygen delivery systems and includes recommendations for their selection based on patient safety and comfort. CONCLUSION: This is the first national guideline on the use of oxygen in acute care. It addresses healthcare professionals using oxygen in acute out-of-hospital and in-hospital settings. The guideline will be valid for 3 years until June 30, 2024.


Subject(s)
Critical Care , Oxygen Inhalation Therapy , Adult , Humans , Hypoxia/diagnosis , Hypoxia/therapy , Oxygen/therapeutic use , Practice Guidelines as Topic
2.
Respiration ; 101(2): 214-252, 2022.
Article in English | MEDLINE | ID: mdl-34933311

ABSTRACT

BACKGROUND: Oxygen (O2) is a drug with specific biochemical and physiological properties, a range of effective doses and may have side effects. In 2015, 14% of over 55,000 hospital patients in the UK were using oxygen. 42% of patients received this supplemental oxygen without a valid prescription. Health care professionals are frequently uncertain about the relevance of hypoxemia and have low awareness about the risks of hyperoxemia. Numerous randomized controlled trials about targets of oxygen therapy have been published in recent years. A national guideline is urgently needed. METHODS: A national S3 guideline was developed and published within the Program for National Disease Management Guidelines (AWMF) with participation of 10 medical associations. A literature search was performed until February 1, 2021, to answer 10 key questions. The Oxford Centre for Evidence-Based Medicine (CEBM) System ("The Oxford 2011 Levels of Evidence") was used to classify types of studies in terms of validity. Grading of Recommendations, Assessment, Development and Evaluation (GRADE) was used for assessing the quality of evidence and for grading guideline recommendation, and a formal consensus-building process was performed. RESULTS: The guideline includes 34 evidence-based recommendations about indications, prescription, monitoring and discontinuation of oxygen therapy in acute care. The main indication for O2 therapy is hypoxemia. In acute care both hypoxemia and hyperoxemia should be avoided. Hyperoxemia also seems to be associated with increased mortality, especially in patients with hypercapnia. The guideline provides recommended target oxygen saturation for acute medicine without differentiating between diagnoses. Target ranges for oxygen saturation are based depending on ventilation status risk for hypercapnia. The guideline provides an overview of available oxygen delivery systems and includes recommendations for their selection based on patient safety and comfort. CONCLUSION: This is the first national guideline on the use of oxygen in acute care. It addresses health care professionals using oxygen in acute out-of-hospital and in-hospital settings.


Subject(s)
Hypercapnia , Oxygen Inhalation Therapy , Adult , Critical Care , Humans , Hypoxia/therapy , Oxygen/therapeutic use
3.
Med Klin Intensivmed Notfmed ; 117(1): 4-15, 2022 Feb.
Article in German | MEDLINE | ID: mdl-34651197

ABSTRACT

BACKGROUND: Oxygen is a drug with specific properties, a defined dose-effect range and side effects. In 2015, in a sample of UK hospital patients, 14% were treated with oxygen, of which only 42% had a prescription. Health care workers are often uncertain about the relevance of hypoxemia, and there is limited awareness of the risks of hyperoxemia. Numerous randomized controlled trials on oxygen therapy have recently been published. METHODS: As part of the guideline program of the Working Group of Scientific Medical Societies e. V. (AWMF), this S3 guideline was developed with the participation of 10 medical societies on the basis of a literature search up to 02/01/2021. The system of the Oxford Centre for Evidence-Based Medicine (CEBM) (The Oxford 2011 Levels of Evidence) was used to evaluate the literature. The quality of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE), and a formal consensus process of recommendations was performed. RESULTS: The guideline contains 34 evidence-based recommendations on the indication, prescription, monitoring, and discontinuation of oxygen therapy in acute care. The indication for oxygen is mainly hypoxemia. Hypoxemia and hyperoxemia should be avoided, since both increase mortality. The guideline recommends target ranges of oxygen saturation for acute oxygen therapy without differentiating between different diagnoses. Target areas depend on the risk for hypercapnia and ventilation status. The guideline provides an overview of available oxygen delivery systems and contains recommendations for their selection based on patient safety and comfort. CONCLUSION: This is the first German guideline on the use of oxygen in acute care. It is aimed at medical professionals who use oxygen in and outside hospitals and is valid until June 30th, 2024.


Subject(s)
Critical Care , Oxygen , Adult , Germany , Humans , Oxygen Inhalation Therapy , Oxygen Saturation , Societies, Medical
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