[Cesarean section in a patient with uncontrolled hyperthyroidism, preeclampsia, and congestive heart failure].

A case of a pregnant woman who underwent urgent cesarean section is presented. The patient had severe hyperthyroidism, preeclampsia, and congestive heart failure, which had not been treated until 36 weeks of gestational age. At 38 weeks, fetal distress occurred and an urgent cesarean section was performed successfully under epidural anesthesia with preoperative treatments using iodide, hydrocortisone and propylthiouracil. The patient required postoperative intensive care for heart failure. Thyroid function of the neonate was almost normal. No abnormality was observed except low birth weight.