International Session 52　　Oral Cancer 3

Tongue cancer resection triggers intense nociceptive stimulation & causing haemodynamic instability and increased opioid use.Pre-emptive lingual nerve block may attenuate afferent signaling, while laser-assisted resection may minimize sympathetic activation.In this prospective study, 65 patients undergoing surgery for early stage tongue cancer were allocated to receive a lingual nerve block or no block and were additionally stratified by surgical energy modality(laser vs cautery) .Intraoperative HR, SBP/DBP, MAP, rescue opioid usage, and 6-hour postop pain scores were analysed.The block group demonstrated significantly lower HR, SBP, DBP, and MAP during resection, reduced rescue morphine use(0． 875 vs 2． 545 mg) , and lower postoperative VAS scores(p＝0． 023) .Laser excision produced more stable hemodynamics than cautery, with significantly lower SBP, DBP, and MAP during nociceptive peaks.Pre-surgical lingual nerve block and laser resection both enhance hemodynamic stability, while the nerve block additionally improves analgesia and reduces opioid requirements in tongue cancer surgery.