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Hye Young Shin 1 Article
Hemodynamic Effects of Co-administration of Midazolam during Anesthesia Induction with Propofol and Remifentanil in Hypertensive Patients
Ju Deok Kim, Joo Won Kim, His Chiang Kung, Jun Hong Kang, Hye Young Shin, Doo Sik Kim, Sie Jeong Ryu, Kyung Han Kim
Kosin Med J. 2017;32(1):36-46.   Published online June 30, 2017
DOI: https://doi.org/10.7180/kmj.2017.32.1.36
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Objectives

Propofol, midazolam and remifentanil are commonly used for clinical anesthesia. We compared the effects of midazolam-propofol-remifentanil and propofol-remifentanil on hemodynamic responses during anesthesia induction in hypertensive patients.

Methods

Seventy-six hypertensive patients with ASA II-III were assigned to receive midazolam-propofol (group MP; n = 38) or propofol (group P; n = 38). Anesthesia was induced with midazolam 0.03 mg/kg (group MP) or saline 0.03 ml/kg (group P). After two minutes, propofol 1.0 mg/kg (group MP) or 1.5 mg/kg (group P) i.v. bolus was administered. Simultaneously, 4 ng/ml of remifentanil target controlled infusion (TCI) was administered in both groups. Anesthesia was maintained using sevoflurane and 2 ng/ml of remifentanil TCI. Systolic, diastolic, and mean blood pressure (SBP, DBP, and MBP) and heart rate (HR) were measured before induction, 2 min after midazolam or normal saline, 2 min after propofol, 1 min after rocuronium, and immediately, 1 min, 2 min, and 3 min after intubation.

Results

SBP, DBP, and MBP decreased after propofol administration and increased immediately after intubation in both groups (P < 0.05). After intubation, SBP, DBP, and MBP decreased more than baseline values in either group. Although the overall BP of Group P was lower than that of Group MP, there were no significant differences except for SBP at 2min after intubation (P < 0.05). HR was no significant difference in either group.

Conclusion

Our results suggest that midazolam-propofol-remifentanil has similar hemodynamic effect with propofol-remifentanil during anesthesia induction in hypertensive patients.


KMJ : Kosin Medical Journal