Preterm single and twin elective cesarean section
Conditions
Interventions
singleton group 1:10mg hyperbaric ropivacaine for spinal anesthesia
singleton group 2:12mg hyperbaric ropivacaine for spinal anesthesia
singleton group 3:14mg hyperbaric ropivacaine for spinal anesthesia
singleton group 4:16mg hyperbaric ropivacaine for spinal anesthesia
singleton group 5:18mg hyperbaric ropivacaine for spinal anesthesia
twins group 1:10mg hyperbaric ropivacaine for spinal anesthesia
twins group 2:12mg hyperbaric ropivacaine for spinal anesthesia
twins group 3:14mg hyperbaric ropivacaine for spinal anesthesia
twins group 4:16mg hyperbaric ropivacaine for spinal anesthesia
twins group 5:18mg hyperbaric ropivacaine for spinal anesthesia
Sponsors
Women's Hospital School of Medicine, Zhejiang University
Eligibility
Sex/Gender
Female
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1.Inclusion criteria of group S: (1)American College of Anesthesiologists (ASA) grade II; (2)Gestational weeks =150cm; (4)Weight=150cm; (5)Weight<=110kg.
Exclusion criteria
Exclusion criteria: 1.Patients refuse to participate in the study; 2.Labor into the active phase; 3.Allergy to amide local anesthetics; 4.Parturients with severe heart disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Successful rate of spinal anesthesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensory plane block;Motor block;Pain score;Maternal noninvasive blood pressure, heart rate, and oxygen saturation;Operation condition;Maternal vital signs;Umbilical Arterial Blood Gas Analysis;Total placental weight;Total Birth Weight of Newborns;Neonatal Apgar Score;Adverse reactions such as hypotension; | — |
Countries
China
Contacts
Public ContactQian Xiaowei
Women's Hospital School of Medicine, Zhejiang University
Outcome results
None listed