Document Detail

Cardiovascular responses to orotracheal intubation in patients undergoing coronary artery bypass grafting surgery. Comparing fiberoptic bronchoscopy with direct laryngoscopy.
MedLine Citation:
PMID:  21526669     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The intubation by using fiberoptic brochoscop (FOB) can avoid the mechanical stimulus to oropharyngolaryngeal structures thereby it is likely to attenuate hemodynamic response during orotracheal intubation. Based on this hypothesis, we compared the hemodynamic responses to orotracheal intubation using an FOB and direct laryngoscope (DLS) in patients undergoing general anesthesia for coronary artery bypass grafting (CABG) surgery.
METHODS: Fifty patients with ASA physical status II and Mallampati score I and II were scheduled for elective CABG surgery under general anesthesia requiring orotracheal intubation were randomly allocated to either DLS group (n = 25) or FOB group (n = 25). The same protocol of anesthetic medications was used. Invasive systolic and diastolic blood pressure (SBP & DBP) and heart rate (HR) were recorded before and after anesthesia induction, during intubation and in the first and second minutes after intubation. The differences among the hemodynamic variables recorded over time and differences in the circulatory variables between the two study groups were compared.
RESULTS: Duration of intubation was shorter in DLS group (19.3 +/- 4.7 sec) compared with FOB group (34.9 +/- 9.8 sec; p = 0.0001). In both study groups basic SBP and DBP and HR were not significantly different (P > 0.05). During the observation, there were no significant differences between the two groups in BP or HR at any time points or in their maximal values (all p values > 0.05).
CONCLUSION: We conclude that the FOB had no advantage in attenuating the hemodynamic responses to orotracheal intubation in patients undergoing CABG surgery.
Nahid Aghdaii; Rasoul Azarfarin; Forouzan Yazdanian; Seyede Zahra Faritus
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Middle East journal of anaesthesiology     Volume:  20     ISSN:  0544-0440     ISO Abbreviation:  Middle East J Anaesthesiol     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2011-04-29     Completed Date:  2011-05-18     Revised Date:  2014-10-10    
Medline Journal Info:
Nlm Unique ID:  8604187     Medline TA:  Middle East J Anaesthesiol     Country:  Lebanon    
Other Details:
Languages:  eng     Pagination:  833-8     Citation Subset:  IM    
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MeSH Terms
Anesthesia, General
Blood Pressure*
Bronchoscopy / methods*
Coronary Artery Bypass*
Fiber Optic Technology
Heart Rate*
Intubation, Intratracheal / methods*
Laryngoscopy / methods*
Middle Aged

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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