Comparison of Hemodynamic Response to Orotracheal Intubation with Conventional Laryngoscope versus Fiberoptic Bronchoscope
Hemodynamics of Orotracheal Intubation
Abstract
Objective: To compare the hemodynamic response to orotracheal intubation via direct laryngoscope versus fiberoptic bronchoscope in patients undergoing general anesthesia.
Study Design: Comparative Study.
Place and Duration of Study: Anesthesia Department of Military Hospital, Rawalpindi from 1st March to 30th May 2014.
Materials and Methods: A total of 110 patients for elective surgeries with general anesthesia, were included and randomized into two groups. The patient in group F (n=55) were intubated by direct laryngoscopy (DLS) and group L (n=55) cases intubated by fiberoptic bronchoscopy (FOB). The hemodynamic response heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP) were recorded at baseline, at induction, at laryngoscopy, at the time of intubation and 3 minutes after intubation.
Results: The age of the patients ranged between 19-45 years. Average age of participants was 33.76 and 31.56 and average weight of patients was 71.22±1.493 and 73.18±1.390 Kg in group F and L respectively. At induction, hemodynamic values dropped to 20% of the baseline values. At the time of intubation (laryngoscopy or fiberoptic bronchoscopy) and 3 min after intubation, hemodynamic values increased significantly (p<0.05) in both groups.
Conclusion: Our study demonstrated that both groups (Fiberoptic bronchoscopy verses direct laryngoscopy) showed same hemodynamic responses during orotracheal intubations.
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