some otolaryngologists administer topical phenylephrine for bleeding control in adenoidectomy surgery. absorption of this drug from surgical site can lead to increase in blood pressure due to vasoconstriction and then bradycardia related to baroreceptore reflex.  our case was an intraoperative arrest of a 9-yrs-old girl related to administration of topical phenylephrine during adenoidectomy how...

Local hyperadrenergic states after a random flap elevation mediated by humoral vasoconstrictors can lead to necrosis. This study aimed evaluate the effect of Botulinum Toxin A (BoNT-A) on reducing levels Norepinephrine (NE) as main vasoactive substance, well its additive with Vascular Endothelial Growth Factor (VEGF) in increasing viability flap. 28 Wistar Rats Caudally Based Modified McFarlane...