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Maternal hypotension is a common problem during cesarian section under spinal anesthesia. The possible explanation for this is combined aortocaval compression by gravid uterus in parturient in addition to reduced systemic vascular resistance by spinal anesthesia. The investigators evaluated if the incidence of hypotension would be decreased by delayed supine positioning, by maintaining lateral position for 6 min after spinal injection, in patients undergoing elective cesarean section.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| standard | No Intervention | parturients were placed back to the supine position immediately after spinal injection following standard protocol of spinal anesthesia | |
| lateral | Experimental | the lateral position was maintained for 6 min after spinal injection before patients were turned to the supine position |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| lateral positioning | Other | the lateral position was maintained for 6 min after spinal injection before patients were turned to the supine position |
|
| Measure | Description | Time Frame |
|---|---|---|
| hypotension | hypotension incidence after intrathecal injection until baby delivery. Monitoring about for 20 minutes | after intrathecal injection until delivery (for 20 minutes) |
| Measure | Description | Time Frame |
|---|---|---|
| sensory block level | highest sensory block level after intrathecal injection | during cesarean section |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D007022 | Hypotension |
| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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