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no enrollment
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After injection of the spinal anesthetic drug, women will be allowed to lie down immediately (0-30 sec) or after three minutes (180 sec) of sitting. The incidence of maternal hypotension and fetal umbilical cord blood pH will be recorded.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Immediately Supine Position | Active Comparator | Women placed in supine position within 30 seconds after spinal injection of local anesthetic drug. |
|
| Delayed Supine Position | Active Comparator | Women placed in supine position after three minutes of seating after spinal injection of local anesthetic drug. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Various sitting time | Other | Various sitting time |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of fetal umbilical artery pH below 7.20 | At fetal delivery |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of maternal hypotension | During cesarean surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Weike Tao, MD | University of Texas Southwestern Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | United States |
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| ID | Term |
|---|---|
| D007022 | Hypotension |
| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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