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Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section

  • Authors:
    • Pin-Hung Yeh
    • Yu-Jun Chang
    • Sheng-En Tsai
  • View Affiliations / Copyright

    Affiliations: Department of Anesthesiology, Changhua Christian Hospital, Changhua City 50006, Taiwan R.O.C., Epidemiology and Biostatistics Centre, Changhua Christian Hospital, Changhua City 50006, Taiwan R.O.C.
    Copyright: © Yeh et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 168
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    Published online on: October 9, 2020
       https://doi.org/10.3892/etm.2020.9298
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Abstract

The administration of high‑level spinal anesthesia for cesarean section may lead to significant hemodynamic changes. Bioreactance‑based non‑invasive cardiac output monitoring (NICOM™) provides an accurate monitoring system for parturients under spinal anesthesia. The present study hypothesized that baseline hemodynamic parameters obtained via the NICOM™ system could serve as predictive indicators for post‑spinal anesthesia hypotension. Therefore, 80 full‑term parturients with singleton pregnancies who underwent scheduled cesarean section were enrolled and allocated to either a supine position group or a 15˚ left tilt group. All parturients received standard pre‑hydration with 750 ml of 0.9% saline. Baseline cardiac output index (CI), total peripheral resistance index (TPRI) and stroke volume (SV) were recorded using the NICOM™ system. Subsequently, spinal anesthesia with 2.4 ml of 0.5% hyperbaric bupivacaine, 10 µg of fentanyl and 0.2 mg of morphine was administered. Receiver operating characteristic (ROC) curves and multivariate logistic regression were used to analyze the data. A total of 40 parturients (51.9%) developed hypotension. The areas under the ROC curves were 0.666, 0.594 and 0.622 for the CI, TPRI and SV, respectively. The optimal cut‑off value of the CI in predicting hypotension was 3.68 l/min/m2 (ROC, sensitivity=85.0%, specificity=48.6%). Furthermore, CI was considered as an independent factor for post‑spinal anesthesia hypotension. In conclusion, the baseline CI obtained via the bioreactance‑based NICOM™ system may serve as a predictor of post‑spinal anesthesia hypotension in parturients regardless of patient position.
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Copy and paste a formatted citation
Spandidos Publications style
Yeh P, Chang Y and Tsai S: Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section. Exp Ther Med 20: 168, 2020.
APA
Yeh, P., Chang, Y., & Tsai, S. (2020). Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section. Experimental and Therapeutic Medicine, 20, 168. https://doi.org/10.3892/etm.2020.9298
MLA
Yeh, P., Chang, Y., Tsai, S."Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section". Experimental and Therapeutic Medicine 20.6 (2020): 168.
Chicago
Yeh, P., Chang, Y., Tsai, S."Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section". Experimental and Therapeutic Medicine 20, no. 6 (2020): 168. https://doi.org/10.3892/etm.2020.9298
Copy and paste a formatted citation
x
Spandidos Publications style
Yeh P, Chang Y and Tsai S: Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section. Exp Ther Med 20: 168, 2020.
APA
Yeh, P., Chang, Y., & Tsai, S. (2020). Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section. Experimental and Therapeutic Medicine, 20, 168. https://doi.org/10.3892/etm.2020.9298
MLA
Yeh, P., Chang, Y., Tsai, S."Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section". Experimental and Therapeutic Medicine 20.6 (2020): 168.
Chicago
Yeh, P., Chang, Y., Tsai, S."Observation of hemodynamic parameters using a non-invasive cardiac output monitor system to identify predictive indicators for post-spinal anesthesia hypotension in parturients undergoing cesarean section". Experimental and Therapeutic Medicine 20, no. 6 (2020): 168. https://doi.org/10.3892/etm.2020.9298
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