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Original Research

Open Access

The Effect of Prophylactic Ephedrine on Systemic Hypotension Caused by Induction of Anaesthesia with Propofol and Sufentanil in Elderly Hypertensive Patients: A Prospective Randomized, Double-blind Placebo-controlled Clinical Trial

  • Zhang Xinpei1
  • Yin Kaiyu2
  • Huang Yabei1
  • Peng Mingqing1

1Department of Anesthesiology, Yongchuan Affiliated Hospital of Chongqing Medical University, P. R. China

2Department of Anesthesiology, West China Second University Hospital, Sichuan University, P. R. China

DOI: 10.22514/sv.2020.16.0081 Vol.17,Issue 1,January 2021 pp.133-138

Published: 08 January 2021

*Corresponding Author(s): Peng Mingqing E-mail: 315747391@qq.com

Abstract

Objective: To study the effectiveness of prophylactic ephedrine to prevent hypotension caused by induction of anesthesia with propofol and sufentanil in elderly hypertensive patients. Methodology: 70 elderly ASA grade II-III hypertensive patients undergoing elective general anesthesia were randomized into two groups to receive either intravenous ephedrine,100 ug/kg in 5ml normal saline (Group B), or an equal volume of normal saline (Group A) before induction. Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP) and Heart Rate (HR) were recorded at T0 (after entry to the operating room), T1 (1 min after induction), T2 (2 min after induction), T3 ( 3 min after induction), T4 (4 min after induction), T5 (when intubated), T6 (2 min after intubation), and T7 (at the start of the procedure), as well as the incidence of hypotension and bradycardia. Results: SBP, DBP and HR were not significantly different at T0 and were significantly different at T1 to T7 after anesthesia induction. There were statistically significant effect on hypotension and bradycardia between the two groups and group B have a lower risk of hypotension and bradycardia relative to group A. SBP and DBP decreased significantly after induction in both groups. HR decreased significantly in group A while increased in group B. Conclusion: Ephedrine pretreatment can minimize hypotension and bradycardia caused by propofol and sufentanil during the induction of general anesthesia in elderly patients with hypertension.

Keywords

Ephedrine, Elderly, Hypertension, General anesthesia

Cite and Share

Zhang Xinpei,Yin Kaiyu,Huang Yabei,Peng Mingqing. The Effect of Prophylactic Ephedrine on Systemic Hypotension Caused by Induction of Anaesthesia with Propofol and Sufentanil in Elderly Hypertensive Patients: A Prospective Randomized, Double-blind Placebo-controlled Clinical Trial. Signa Vitae. 2021. 17(1);133-138.

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