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Analgesic efficacy of ultrasound-guided bilateral sphenopalatine ganglion block as a sole analgesic in fess surgeries and reconstructive nasal surgeries

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Original Article

Author Details : Vasantha Kumar K.R, Parijaat Mukherjee, Prashanth Gowtham Raj S.K*

Volume : 11, Issue : 3, Year : 2024

Article Page : 322-327

https://doi.org/10.18231/j.ijca.2024.062

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Abstract

Background: Severe postoperative pain is the most common complaint following Functional endoscopic sinus surgeries (FESS) and reconstructive nasal surgeries. Sensory, autonomic nerves supplying paranasal sinuses, nasal cavity, and palate relay in sphenopalatine ganglion. Bilateral Sphenopalatine ganglion block can be an effective regional anaesthetic technique for post-operative analgesia. We conducted a study with ultrasound-guided bilateral sphenopalatine ganglion block as the sole analgesic compared to Fentanyl in patients undergoing FESS & reconstructive nasal surgeries performed under general anaesthesia. The primary objective of our study was to assess the analgesic effect, quality, and duration of analgesia of ultrasound guided bilateral sphenopalatine ganglion block as a sole analgesic. In addition, the secondary aim was to further evaluate the adverse effects.
Materials and Methods: With Institutional ethical committee approval and written informed consent, we conducted this study with two groups of 30 patients each. The surgical procedure was performed under general anaesthesia. At the end of the surgery and before the reversal of neuromuscular blockade, bilateral sphenopalatine plexus block was performed under ultrasound guidance in interventional Group (A) with a mixture of 0.25% Ropivacaine, Dexamethasone 4mg 7.5ml each side, whereas the control Group (B) received fentanyl 2ug/kg intraoperatively. Visual analogue scale (VAS) scores were evaluated soon after extubating (0hrs) and up to 48 hrs postoperatively in all patients.
Results: There was no significant difference in VAS scores at 0hrs, 2hrs between both groups. Interventional group(A) had statistically significant lower scores (P <0> Conclusion: We conclude, that ultrasound-guided bilateral sphenopalatine block is a safe and effective procedure that provides sustained and superior-quality of analgesia when compared to fentanyl
 

Keywords: Sphenopalatine ganglion block, Ultrasound guided bilateral, Somatosensory blocks, Functional endoscopic sinus surgeries.

How to cite : K.r V K, Mukherjee P, S.k P G R, Analgesic efficacy of ultrasound-guided bilateral sphenopalatine ganglion block as a sole analgesic in fess surgeries and reconstructive nasal surgeries. Indian J Clin Anaesth 2024;11(3):322-327

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