Objective
To determine the hemodynamic response to laryngoscopy/tracheal intubation using
GlideScope® videolaryngoscope in patients with ischemic heart diseases.
Methods
In a randomized clinical trial, 80 adult patient, candidate for coronary artery bypass graft
surgery were allocated in two groups for laryngoscopy (MC=Macintosh blade or
GS=GlideScope). The hemodynamic response, laryngoscopy time, success rate and
complication rate were compared.
Results
Two patients were excluded because of long postoperative intubation period.
Demographic data and airway characteristics were comparable. There was no failed
intubation. Laryngoscopy time in MC group was shorter than GS group (14.50±8.30
versus 48.80±47.82 respectively, p=0.001). Stylet was used commonly and more attempts
to intubation were done in GS group. Hemodynamic response to orotracheal intubation in
1, 5 and 15 min following intubation was not different between two groups.
Conclusions
GlideScope® technique did not have any benefit and increased laryngoscopy time, need
to use stylet and required more attempts. (Rawal Med J 2009;34: ).
Key words: Tracheal intubation, laryngoscopy, Macintosh blade, GlideScope, ischemic heart disease.
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