| Transdermal scopolamine for the reduction of postoperative nausea in outpatient ear surgery: a double-blind, randomized study. | |
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MedLine Citation:
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PMID: 7639364 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We evaluated the effect of transdermal scopolamine on the incidence of postoperative nausea and vertigo after outpatient ear surgery (exploratory tympanotomy, mastoidectomy, or endolymphatic sac and oval and round window surgery) in a double-blind, placebo-controlled study. A transdermal patch containing either scopolamine (n = 19) or placebo (n = 20) was placed behind the nonsurgical ear 2 h before surgery. Anesthesia was induced with thiopental (4-6 mg/kg intravenously [i.v.]), sufentanil (0.5 microgram/kg i.v.), and vecuronium (0.1 mg/kg i.v.) and maintained with isoflurane (0.2%-2%) and nitrous oxide (70%) in oxygen. Patients were observed postoperatively in the recovery room and after discharge for 72 h. There was no significant difference between groups with respect to time in recovery room, time to discharge, incidence of in-house nausea, vomiting, amount of antiemetics required, or postoperative visual analog scale (VAS) scores while in the hospital. After discharge, there were lower VAS nausea scores (by repeat measures analysis, P < 0.05) and a lower reported incidence of nausea (31% vs 62%; P < 0.05) and vertigo (6.2% vs 25%; P < 0.05) in the active patch group versus the placebo group. There was a higher incidence of dry mouth in the active patch group (44% vs 25%). Seven patients did not complete the study due to failure to keep the patch in place or failure to return the diary from home; and one patient from the placebo patch group was admitted for uncontrolled nausea and vomiting. The authors concluded that transdermal scopolamine is effective in reducing, but not eliminating, postoperative nausea and vertigo after discharge in outpatient ear surgery. |
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Authors:
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D J Reinhart; K W Klein; E Schroff |
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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: Anesthesia and analgesia Volume: 79 ISSN: 0003-2999 ISO Abbreviation: Anesth. Analg. Publication Date: 1994 Aug |
Date Detail:
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Created Date: 1995-09-12 Completed Date: 1995-09-12 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 1310650 Medline TA: Anesth Analg Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 281-4 Citation Subset: AIM; IM |
Affiliation:
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Department of Anesthesiology, University of Utah, McKay-Dee Hospital, Ogden 84409-0370, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Administration, Cutaneous Adult Aged Double-Blind Method Ear Diseases / surgery Ear, Middle / surgery* Female Humans Male Middle Aged Nausea / etiology, prevention & control* Premedication* Scopolamine / administration & dosage, therapeutic use* Treatment Outcome Vomiting / prevention & control |
| Chemical | |
Reg. No./Substance:
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51-34-3/Scopolamine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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