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Effect of Preoperative Preconditioning of Patients with External Nasal Compression for Different Time Intervals on Emergence Agitation After Nasal Surgeries: A Randomised Controlled Trial
UC57-UC61
Correspondence
Anuja Agrawal,
Bunglow Number 3, Glade Mercury, Behind Motnath Mandir, Near Cygnus School, Harni, Vadodara-390022, Gujarat, India.
E-mail: aanupama.kumary@gmail.com
Introduction: Emergence agitation is a commonly experienced phenomenon in the waking period of general anaesthesia, which can adversely affect the recovery of patients in the postoperative period. Patients undergoing nasal surgeries under general anaesthesia, involving postoperative nasal packing, tend to have a higher rate of emergence agitation after extubation. Non pharmacological methods like nasal clips, can be safe and cost-effective alternatives to pharmacological agents for controlling emergence agitation.
Aim: To evaluate the efficacy of preoperatively applying nasal clips for various durations in patients scheduled for nasal surgeries under general anaesthesia, which require nasal packing in the postoperative period, in reducing emergence agitation after extubation.
Materials and Methods: The present randomised controlled trial was conducted at department of Anaesthesia, Shrimati Bhikhiben Kanjibhai Shah Medical Institute and Research Centre (SBKS MIRC) in Piparia, Vadodara, Gujarat, India. A total of 75 patients with ASA I and II, aged 18-65 years, posted for elective nasal surgeries under general anaesthesia with postoperative bilateral nasal packing, were randomly divided into three groups. Group A (25 patients) wore nasal clips for 30 minutes preoperatively, Group B (25 patients) wore the clip for 40 minutes preoperatively, and Group C (25 patients) served as the control group without nasal clips. At the time of extubation, the emergence agitation score, ability to cough, time to verbal response, respiratory rate, incidences of desaturation, laryngospasm, or any other complications were observed and noted by an anaesthetist who was unaware of the application of nasal clips preoperatively. All data statistically analysis were performed using Statistical Package for Social Sciences (SPSS) for Windows (version 21.0; IBM Corporation).
Results: All three groups were comparable (p>0.05) in terms of demographic profile, type and duration of surgery, and baseline haemodynamic parameters like Heart Rate (HR), Mean Arterial Pressure (MAP), Oxygen Saturation (SpO2), and baseline Electrocardiography (ECG). Emergence agitation was significantly lower in Group A and B as compared to Group C (p-value=0.02). On comparing Groups A and B, Group B had a significantly lower incidence of emergence agitation (p-value=0.02). There were two cases of dangerous emergence agitation in the control group and one case in Group A while no cases were reported in Group B. Other parameters at extubation were comparable among all groups. Patient satisfaction was significantly higher in Groups A and B in comparison to Group C.
Conclusion: The present study suggests that preoperative preconditioning with nasal clips for 40 minutes in patients undergoing elective nasal surgeries can be a useful and safe method to reduce postoperative emergence agitation.