Ventricular tachycardia after oxytocin injection in patients with prolonged Q-T interval syndrome--report of two cases.
Oxytocin is widely used in obstetric settings to stimulate uterine contraction and prevent postpartum hemorrhage. Its adverse effects which include transient hypotension and increase heart rate could be life-threatening in patients with fixed cardiac output or hypotension resulting from hemorrhage. We reported two cases suspected to have preexisting prolonged Q-T interval syndrome (PQTS) who developed ventricular tachycardia immediately after intravenous injection of oxytocin. Anesthetic management of and use of oxytocic agents in patients with PQTS were discussed.
Liou
S C
SC
Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan, R.O.C.
Chen
C
C
Wong
S Y
SY
Wong
K M
KM
D000328:Adult; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications*; D010121:Oxytocin / Q000009:adverse effects*; D017180:Tachycardia, Ventricular / Q000139:chemically induced*
D010121:Oxytocin