The hypothesis is that plethysmography variability index can predict the occurrence of hypotension after spinal anesthesia for cesarean delivery
Study Type
OBSERVATIONAL
Enrollment
38
Measurement of PVI (plethysmography variability index)
Duke University Medical Center
Durham, North Carolina, United States
Correlation between baseline PVI and change in SBP from baseline.
Correlation between baseline PVI and change in SBP from baseline.
Time frame: Intraoperative (approximately 2 hours)
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
Time frame: Intraoperative (approximately 2 hours)
Correlation between intraoperative PVI change from baseline with change in SBP and PR from baseline, and need for vasopressors.
Time frame: Intraoperative (approximately 2 hours)
Correlation between baseline PVI and need for vasopressors.
Time frame: Intraoperative (approximately 2 hours)
Correlation between baseline PVI and change in SBP and PR from baseline.
Time frame: Intraoperative (approximately 2 hours)
Correlation between CO change in response to SLR with change in SBP and PR from baseline, and need for vasopressors
Time frame: Intraoperative (approximately 2 hours)
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