| Physiological responses to the early mobilisation of the intubated, ventilated abdominal surgery patient. | |
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MedLine Citation:
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PMID: 15151493 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to investigate the effects of mobilisation on respiratory and haemodynamic variables in the intubated, ventilated abdominal surgical patient. Mobilisation was defined as the progression of activity from supine, to sitting over the edge of the bed, standing, walking on the spot for one minute, sitting out of bed initially, and sitting out of bed for 20 minutes. Seventeen patients with age (mean +/- SD) 71.4 +/- 7.1 years satisfied inclusion criteria. Respiratory and haemodynamic parameters were measured in each of the above positions and compared with supine. In the 15 subjects who completed the protocol, standing resulted in significant increases in minute ventilation (VE) from 15.1 +/- 3.1 l/min in supine to 21.3 +/- 3.6 l/min in standing (p < 0.001). The increase in VE in standing was achieved by significant increases in tidal volume (VT) from 712.7 +/- 172.8 ml to 883.4 +/- 196.3 ml (p = 0.008) and in respiratory rate (fR) from 21.4 +/- 5.0 breaths/min to 24.9 +/- 4.5 breaths/min (p = 0.03). No further increases were observed in these parameters beyond standing when activity was progressed to walking on the spot for one minute. When supine values were compared with walking on the spot for one minute, inspiratory flow rates (VT/TI) increased significantly from 683 +/- 131.8 ml/sec to 985.1 +/- 162.3 ml/sec (p = 0.001) with significant increases in rib cage displacement (p = 0.001) and no significant increase in abdominal displacement (p = 0.23). Arterial blood gases displayed no improvements following mobilisation. Changes in VT, fR, and VE were largely due to positional changes when moving from supine to standing. |
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Authors:
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Bill Zafiropoulos; Jennifer A Alison; Bredge McCarren |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: The Australian journal of physiotherapy Volume: 50 ISSN: 0004-9514 ISO Abbreviation: Aust J Physiother Publication Date: 2004 |
Date Detail:
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Created Date: 2004-05-20 Completed Date: 2004-09-07 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0370615 Medline TA: Aust J Physiother Country: Australia |
Other Details:
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Languages: eng Pagination: 95-100 Citation Subset: IM |
Affiliation:
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General Intensive Care Unit, Concord Repatriation General Hospital, Australia. bzaf@optusnet.com.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Abdomen
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surgery* Aged Blood Gas Analysis Blood Pressure / physiology Early Ambulation* Female Heart Rate / physiology Hemodynamics / physiology* Humans Intubation, Intratracheal* Male Physical Therapy Modalities / methods Respiration, Artificial* Respiratory Mechanics / physiology Respiratory Physiological Phenomena* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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