Hemodynamic Monitoring Clinical Trial
Official title:
The Application of Pleth Variability Index in Continuous Monitoring Volume Status in Patients Undergoing Intestinal Tumor Surgery
To assess the value of using pleth variability index(PVI) to monitor the patient's intra-operative volume status continuously by observing the application of stroke volume variation(SVV) and PVI and their correlation in patients undergoing intestinal tumor surgeries.
Objective: To assess the value of using PVI to monitor the patient's intra-operative volume
status continuously by observing the application of stroke volume variation(SVV) and pleth
variability index(PVI) and their correlation in patients undergoing intestinal tumor
surgeries.
Methods: 50 patients undergoing elective intestinal tumor surgery were enrolled, ASAⅠ-Ⅲ,
aged 18-65 years. After the induction of general anesthesia, cardiac index(CI), cardiac
output(CO), stroke volume variability(SVV), stroke volume index(SVI) were monitored with
Vigileo system, while pleth variability index(PVI) and perfusion index(PI) were monitored
with Massion Radical 7 system. During the surgery, goal directed fluid therapy was conducted
according to the data of CI、SVI and SVV. Heart rate(HR), mean arterial pressure(MAP),
central venous pressure(CVP), CO, CI, SVI, SVV, PI, PVI were recorded while after the
induction of anesthesia(T1), making surgical incision(T2), performing intestinal
anastomosis(T3) and closing the abdominal incision(T4). And we calculate the correlation of
SVV and PVI using Pearson Correlation Analysis at different time points.
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Observational Model: Case-Only, Time Perspective: Prospective
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