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1.
Korean Journal of Anesthesiology ; : 35-39, 2012.
Article in English | WPRIM | ID: wpr-95875

ABSTRACT

BACKGROUND: Hypotension remains a common clinical problem of spinal anesthesia for cesarean delivery and phenylephrine is used as a vasopressor to address this. However, phenylephrine reduces maternal cardiac output (CO) due to reflex bradycardia. Glycopyrrolate is safe for the fetus, and increases heart rate (HR). Using a noninvasive measure of CO, we compared maternal hemodynamic changes between the phenylephrine only group (group P) and the phenylephrine plus glycopyrrolate group (group PG). METHODS: In this randomized study, 60 women scheduled for elective cesarean delivery were allocated to group P (n = 30) or group PG (n = 30). In both groups, phenylephrine was infused at 50 microg/min. This infusions stopped if systolic blood pressure (SBP) was higher than the baseline value, and phenylephrine 100 microg was injected if SBP was lower than 80% of the baseline value from spinal anesthesia to delivery. In group PG, glycopyrrolate 0.2 mg was injected intravenously after spinal anesthesia. Hemodynamic parameters, such as SBP, heart rate (HR), stroke volume index (SVI), cardiac index (CI) were measured before and until 15 min after spinal anesthesia. RESULTS: There were no significant differences in SBP and SVI compared to the baseline value in each group and between the two groups. HR and CI reduced significantly from 8 min to 15 min in group P compared to the baseline value as well as group PG for each time-point. However, HR and CI were maintained in group PG. CONCLUSIONS: The use of glycopyrrolate added to phenylephrine infusion to prevent hypotension by spinal anesthesia for cesarean delivery was effective in maintaining HR and CI.


Subject(s)
Female , Humans , Pregnancy , Anesthesia, Spinal , Blood Pressure , Bradycardia , Cardiac Output , Cesarean Section , Fetus , Glycopyrrolate , Heart Rate , Hemodynamics , Hypotension , Phenylephrine , Reflex , Stroke Volume
2.
Anesthesia and Pain Medicine ; : 389-392, 2011.
Article in Korean | WPRIM | ID: wpr-13732

ABSTRACT

We experienced a case of paroxysmal supraventricular tarchycardia (PSVT) in a 31-year-old pregnant woman undergoing elective cesarean section under spinal anesthesia. About 15 minutes after delivery of the baby, PSVT suddenly developed. PSVT was difficult to control with a number of medications including esmolol, adenosine and verapamil. Normal sinus rhythm was finally restored after repeated trials of biphasic cardioversion. The patient fully recovered and was discharged without any complication 5 days later.


Subject(s)
Adult , Female , Humans , Pregnancy , Adenosine , Anesthesia, Spinal , Cesarean Section , Electric Countershock , Pregnant Women , Propanolamines , Tachycardia, Supraventricular , Verapamil
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