| Supplemental oxygen during endoscopic variceal ligation: effects on arterial oxygenation and cardiac arrhythmia. | |
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MedLine Citation:
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PMID: 8540513 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Endoscopic variceal ligation may affect cardiopulmonary function. The aim of this study was to determine the effect of either nasal oxygen (2 L/min) or no oxygen on arterial oxygenation and cardiac arrhythmia during variceal ligation. METHODS: A prospective, endoscopy team-blinded, randomized, cross-over study (first session vs second session) was conducted in 30 cirrhotic patients undergoing variceal ligation. Oxygen saturation (SaO2) and cardiac arrhythmia were assessed by a pulse oximeter. In this study, 15 patients received supplemental oxygen in the first sessions, and 15 received oxygen in the second sessions. RESULTS: Oxygen desaturation (nadir SaO2 < 90%) occurred in 23% of patients breathing room air but was prevented by oxygen (p < 0.01), and the nadir SaO2 was significantly lower in patients breathing room air than in those receiving oxygen (93.2 +/- 0.7% vs 98.3 +/- 0.3%, p < 0.01). During the procedure, premature ventricular contraction was more frequently observed in patients breathing room air than in those receiving oxygen (14.0 +/- 3.2/h vs 5.4 +/- 1.5/r, p < 0.05). CONCLUSIONS: These data suggest that oxygen desaturation and cardiac arrhythmia are common in patients undergoing variceal ligation and that low flow nasal oxygen can alleviate these events. Supplemental oxygen is therefore advisable to avoid potential serious cardiopulmonary accidents in patients undergoing variceal ligation. |
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Authors:
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T Iwao; A Toyonaga; H Shigemori; M Sumino; K Oho; K Tanikawa |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: The American journal of gastroenterology Volume: 90 ISSN: 0002-9270 ISO Abbreviation: Am. J. Gastroenterol. Publication Date: 1995 Dec |
Date Detail:
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Created Date: 1996-02-06 Completed Date: 1996-02-06 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0421030 Medline TA: Am J Gastroenterol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 2186-90 Citation Subset: IM |
Affiliation:
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Department of Medicine II, Kurume University School of Medicine, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Administration, Intranasal Arrhythmias, Cardiac / prevention & control* Cross-Over Studies Endoscopy / adverse effects* Female Heart Rate / drug effects Humans Ligation Liver Cirrhosis / complications Male Middle Aged Oxygen / administration & dosage, blood*, therapeutic use* Prospective Studies Varicose Veins / etiology, therapy* |
| Chemical | |
Reg. No./Substance:
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7782-44-7/Oxygen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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