| Non-invasive negative and positive pressure ventilation in the treatment of acute on chronic respiratory failure. | |
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MedLine Citation:
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PMID: 14735237 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To investigate in clinical practice the role of non-invasive mechanical ventilation in the treatment of acute respiratory failure on chronic respiratory disorders. DESIGN: An 18 months prospective cohort study. SETTING: A specialised respiratory intensive care unit in a university-affiliated hospital. PATIENTS: A total of 258 consecutive patients with acute respiratory failure on chronic respiratory disorders. INTERVENTIONS: Criteria for starting non-invasive mechanical ventilation and for endotracheal intubation were predefined. Non-invasive mechanical ventilation was provided by positive pressure (NPPV) ventilators or iron lung (NPV). RESULTS: The main characteristics of patients (70% with chronic obstructive pulmonary disease) on admission were (mean, SD or median, 25th-75th centiles): pH 7.29 (0.07), PaCO(2) 83 mm Hg (19), PaO(2)/FiO(2) 198 (77), APACHE II score 19 (15-24). Among the 258 patients, 200 (77%) were treated exclusively with non-invasive mechanical ventilation (40% with NPV, 23% with NPPV, and 14% with the sequential use of both), and 35 (14%) with invasive mechanical ventilation. In patients in whom NPV or NPPV failed, the sequential use of the alternative non-invasive ventilatory technique allowed a significant reduction in the failure of non-invasive mechanical ventilation (from 23.4 to 8.8%, p=0.002, and from 25.3 to 5%, p=0.0001, respectively). In patients as a whole, the hospital mortality (21%) was lower than that estimated by APACHE II score (28%). CONCLUSIONS: Using NPV and NPPV it was possible in clinical practice to avoid endotracheal intubation in the large majority of unselected patients with acute respiratory failure on chronic respiratory disorders needing ventilatory support. The sequential use of both modalities may increase further the effectiveness of non-invasive mechanical ventilation. |
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Authors:
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Massimo Gorini; Roberta Ginanni; Giuseppe Villella; Donatella Tozzi; Annike Augustynen; Antonio Corrado |
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Publication Detail:
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Type: Journal Article Date: 2004-01-21 |
Journal Detail:
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Title: Intensive care medicine Volume: 30 ISSN: 0342-4642 ISO Abbreviation: Intensive Care Med Publication Date: 2004 May |
Date Detail:
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Created Date: 2004-05-05 Completed Date: 2004-09-14 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7704851 Medline TA: Intensive Care Med Country: United States |
Other Details:
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Languages: eng Pagination: 875-81 Citation Subset: IM |
Affiliation:
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Respiratory Intensive Care Unit, Careggi Hospital CTO, Largo Palagi 1, 50134 Florence, Italy. massimogorini@libero.it |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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APACHE Aged Blood Gas Analysis Hospital Mortality* Humans Intensive Care Units Length of Stay Positive-Pressure Respiration / methods* Prospective Studies Pulmonary Disease, Chronic Obstructive / classification, therapy* Respiratory Distress Syndrome, Adult / classification, therapy* Ventilators, Negative-Pressure* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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