Placenta previa percreta is a dangerous complication during surgery. Due to the high risk of hemorrhage, most parturients with placenta previa have to accept cesarean section. In this study investigators compare the effect of different anesthetic techniques on these patients.
Study Type
OBSERVATIONAL
Enrollment
68
bupivacaine injected by spinal puncture
general anesthesia with intubation
Xijing Hospital, Fourth Military Medical University
Xi'an, Shaanxi, China
incidence of hypotension
Time frame: from beginning of the surgery to the end of the surgery,approximately 1 hour
usage of norepinephrine
Time frame: from beginning of the surgery to the end of the surgery,approximately 1 hour
dose of norepinephrine
Time frame: from beginning of the surgery to the end of the surgery,approximately 1 hour
lowest systemic blood pressure
Time frame: from beginning of the surgery to the end of the surgery,approximately 1 hour
maximal decrease of systemic blood pressure
Time frame: from beginning of the surgery to the end of the surgery,approximately 1 hour
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