| Prospective Description of Coughing, Hemodynamic Changes, and Oxygen Desaturation During Endoscopic Sedation. | |
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MedLine Citation:
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PMID: 22271416 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Deep sedation is increasingly used for endoscopy. The impact of sedation level on hemodynamic status, oxygenation, and aspiration risk is incompletely described. AIMS: To describe the incidence of intraprocedural cough, hemodynamic changes, oxygen desaturation, and their relationship to clinical factors and sedation level. METHODS: Detailed prospective recordings of hemodynamic changes, oxygen desaturation, and cough during 757 nonemergent endoscopic procedures done under sedation using propofol, midazolam, and/or fentanyl. RESULTS: Thirteen percent of patients had at least one cough and 3% had prolonged cough. Cough was more common in nonsmokers (P = 0.05), upper endoscopy (P < 0.0001), with propofol (P = 0.0008), longer procedures (P = 0.0001), and hiccups (P = 0.01). The association between supine positioning during colonoscopy and cough approached significance (P = 0.06). Oxygen desaturation was rare (4%) and associated only with deep sedation (P = 0.02). Mean systolic and diastolic blood pressure (BP) dropped by 7.3 and 5.6% respectively. Decreases in systolic BP were more common in whites (P = 0.03), males (P = 0.004), nonsmokers (P = 0.04), during colonoscopy (P < 0.0001), and in patients receiving midazolam and fentanyl (P = 0.01). Heart rate (HR) dropped >20% from baseline in 15% of patients and was more common during colonoscopy (P = 0.002). HR increased >20% in 20% of patients and was more common with coughing (P < 0.0001) and in younger patients (P = 0.0002). No patient required pharmacologic treatment of BP or HR. CONCLUSIONS: We have described procedural predictors of cough that may help clinicians reduce the risk of aspiration during endoscopy. Hemodynamic changes during endoscopy are common but largely clinically insignificant. |
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Authors:
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Abdul Hamid El Chafic; George Eckert; Douglas K Rex |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-24 |
Journal Detail:
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Title: Digestive diseases and sciences Volume: - ISSN: 1573-2568 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7902782 Medline TA: Dig Dis Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Division of Gastroenterology, Department of Medicine, Indiana University School of Medicine, 550 N. University Boulevard, IU Hospital #4100, Indianapolis, IN, 46202, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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