| Myocardial ischaemia during tracheal extubation in patients after cardiac surgery: an observational study. | |
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MedLine Citation:
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PMID: 9771316 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study examines whether there is a temporal relationship between tracheal extubation and myocardial ischaemia in haemodynamically stable patients extubated within 6 h of cardiac surgery. Fifty-two patients were studied during three time periods: 1, from 2 h until 30 min before extubation (90 min); 2, from 30 min before until 30 min after extubation (60 min); 3, from 30 min until 2 h after extubation (90 min). Significant ST segment changes were defined as a reversible ST segment depression of 2 mm or greater or an elevation of 3 mm or greater from baseline, lasting for 1 min or more. Fourteen patients (26.9%) had ST segment changes. The ischaemic burden in periods 2 and 3 was increased compared with that in period 1; the mean (SD) was: period 1, 19.2 (18.8) min; period 2, 35.4 (24.9) min; period 3, 39.6 (24.5) min; however, the mean ST deviation (mm) did not change. ST segment changes were associated with an increased heart rate; they were not related to arterial pressure. We conclude that there is a temporal relationship between ST segment changes and tracheal extubation after cardiac surgery. |
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Authors:
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N J Barham; O W Boomers; K M Sherry; T J Locke |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British journal of anaesthesia Volume: 80 ISSN: 0007-0912 ISO Abbreviation: Br J Anaesth Publication Date: 1998 Jun |
Date Detail:
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Created Date: 1998-10-21 Completed Date: 1998-10-21 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0372541 Medline TA: Br J Anaesth Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 832-3 Citation Subset: IM |
Affiliation:
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Department of Anaesthesia, Northern General Hospital Trust, Sheffield. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Blood Pressure Coronary Vessels / surgery* Electrocardiography Female Heart Rate Humans Intubation, Intratracheal / adverse effects* Male Middle Aged Myocardial Ischemia / etiology* Postoperative Care / adverse effects* Postoperative Period Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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