Korean J Anesthesiol.  2008 Apr;54(4):469-472. 10.4097/kjae.2008.54.4.469.

Hyperkalemia after Cessation of Ritodrine in a Parturient during Cesarean Section: A case report

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Ewha Womans University School of Medicine, Seoul, Korea. lgyanes@mm.ewha.ac.kr

Abstract

Ritodrine hydrochloride is widely used for the treatment of premature uterine contraction because the drug has beta2-sympathomimetic effect on the uterus. Hypokalemia is one of the most common side effects of ritodrine. We experienced a case of hyperkalemia without ECG change that occurred during cesarean section in a healthy parturient, associated with low-dose ritodrine pretreatment for six and half hours to stop preterm labor. We treated the patient with potassium-free fluid and calcium chloride. Plasma potassium level returned to normal four hours after the ritodrine had been terminated.

Keyword

hyperkalemia; preterm labor; ritodrine

MeSH Terms

Calcium Chloride
Cesarean Section
Electrocardiography
Female
Humans
Hyperkalemia
Hypokalemia
Obstetric Labor, Premature
Plasma
Potassium
Pregnancy
Ritodrine
Uterine Contraction
Uterus
Calcium Chloride
Potassium
Ritodrine
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