Abstract

Many anaesthesia techniques can be used for bronchoscopy. There are two types of bronchoscopies: flexible and rigid. Usually, flexible bronchoscopy is done under monitored anaesthesia care (MAC) or sedation and is commonly used for the diagnosis and management of a variety of pulmonary diseases, while rigid bronchoscopy is performed under general anaesthesia. Objectives were to determine the effect of fentanyl and dexmedetomidine on incidence of oxygen desaturation and assess haemodynamic variables, cough scores, satisfaction scores of patients and bronchoscopists. Methods: A Randomised trail, double blinded study was conducted on 80 adult patients undergoing diagnostic flexible bronchoscopy. In one group propofol dexmedetomidine (PD) and another group propofol fentanyl (PF) was administered to 40 patients in each group. Results: The incidence of oxygen desaturation was significantly lower in the PD group than in the PF group (P value). There were significant differences between groups in terms of mean arterial pressure (p value <0.0001) but, not with heart rate, cough scores, or patient satisfaction scores. However bronchoscopists satisfaction scores (P,0.01) were lower in the PD group. Conclusions: PD group was associated with fewer incidents of oxygen desaturation than PF group. However, dexmedetomidine was associated with a longer recovery time and poorer bronchoscopists satisfaction score.

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