1540
We report the specifics of 12 cases of severe hypertension after the intraoperative use of topical phenylephrine, submucosal epinephrine, or both.
 ( adverse event: after ,  12 cases: Subject, 12: Subject.Population, hypertension: Effect, intraoperative use of topical phenylephrine, submucosal epinephrine, or both: Treatment, phenylephrine: Treatment.Drug, epinephrine: Treatment.Drug, topical: Treatment.Route, submucosal: Treatment.Route, epinephrine: Combination.Drug, phenylephrine: Combination.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: after ,  12 cases: Subject, 12: Subject.Population, hypertension: Effect, intraoperative use of topical phenylephrine, submucosal epinephrine, or both: Treatment, phenylephrine: Treatment.Drug, epinephrine: Treatment.Drug, topical: Treatment.Route, submucosal: Treatment.Route, epinephrine: Combination.Drug, phenylephrine: Combination.Drug) 