6985
A case report is presented concerning the administration of ketanserin in the treatment of pulmonary vasoconstriction and right ventricular failure following the infusion of protamine in a patient undergoing coronary artery bypass surgery and mitral valve replacement .
 adverse effect: pulmonary vasoconstriction, protamine; adverse effect: right ventricular failure, protamine
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: pulmonary vasoconstriction, protamine; adverse effect: right ventricular failure, protamine