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The hypothesis is that plethysmography variability index can predict the occurrence of hypotension after spinal anesthesia for cesarean delivery
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Women undergoing cesarean delivery under spinal anesthesia |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PVI | Other | Measurement of PVI (plethysmography variability index) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Correlation between baseline PVI and change in SBP from baseline. | Correlation between baseline PVI and change in SBP from baseline. | Intraoperative (approximately 2 hours) |
| Measure | Description | Time Frame |
|---|---|---|
| Correlation between plethysmography variability index (PVI) change in response to passive leg raising (PLR) and change in SBP and pulse rate (PR) from baseline, and need for vasopressors | Correlation between PVI change in response to PLR and change in SBP and pulse rate (PR) from baseline, and need for vasopressors | Intraoperative (approximately 2 hours) |
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Inclusion Criteria:
Exclusion Criteria:
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Women undergoing cesarean delivery under spinal anesthesia
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| Name | Affiliation | Role |
|---|---|---|
| Ashraf S Habib, MB | Duke University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Duke University Medical Center | Durham | North Carolina | 27710 | United States |
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| Correlation between intraoperative PVI change from baseline with change in SBP and PR from baseline, and need for vasopressors. | Intraoperative (approximately 2 hours) |
| Correlation between baseline PVI and need for vasopressors. | Intraoperative (approximately 2 hours) |
| Correlation between baseline PVI and change in SBP and PR from baseline. | Intraoperative (approximately 2 hours) |
| Correlation between CO change in response to SLR with change in SBP and PR from baseline, and need for vasopressors | Intraoperative (approximately 2 hours) |