Predicting blood pressure change caused by rapid injection of propofol during anesthesia induction with a logistic regression model

Ruey Horng Rau, Yu Chuan Li, Jen Kun Cheng, Chien Chuan Chen, Yuan Pi Ko, Chun Jen Huang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background: Propofol is a common intravenous agent for induction and maintenance of anesthesia. The advantage of propofol is rapid recovery of consciousness when the continuous infusion is stopped. Additionally, it has antiemetic effect of reducing postoperative nausea and vomiting. On the other hand, rapid infusion of propofol is painful and may cause hypotension. In this study, we aimed to develop a logistic regression model to accurately predict blood pressure change caused by rapid infusion of propofol. Methods: Seventeen variables (including demographic data, past medical history, laboratory data, and blood pressure before induction) were assessed in 200 patients who received propofol for induction of anesthesia for routine surgery. A logistic regression model was derived using these values as independent variables to predict whether a patient would suffer a significant blood pressure change (> 30% decrease from baseline) Sensitivity, specificity, and area under the receiver operating characteristic curve (AUC) were calculated to evaluate the performance of our prediction model. Results: A cut-off value of 0.17 in the logistic regression model predicted decreased blood pressure with 90.0% sensitivity and, 67.3% specificity. The area under the receiver operating characteristic curve was 0.855. Conclusions: Our prediction model predicts propofol-induced hypotension with acceptable accuracy. Because of the straightforward mathematic formula used, our model can be integrated effortlessly into a hospital information system, providing a reliable and useful decision support for clinical anesthesia staff.

Original languageEnglish
Pages (from-to)81-86
Number of pages6
JournalActa Anaesthesiologica Taiwanica
Volume42
Issue number2
Publication statusPublished - Jun 2004

Fingerprint

Propofol
Anesthesia
Logistic Models
Blood Pressure
Injections
ROC Curve
Clinical Decision Support Systems
Controlled Hypotension
Hospital Information Systems
Sensitivity and Specificity
Postoperative Nausea and Vomiting
Antiemetics
Mathematics
Consciousness
Hypotension
Area Under Curve
Maintenance
Demography

Keywords

  • Hypotension
  • Logistic models
  • Propofol
  • Regeression analysis

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Predicting blood pressure change caused by rapid injection of propofol during anesthesia induction with a logistic regression model. / Rau, Ruey Horng; Li, Yu Chuan; Cheng, Jen Kun; Chen, Chien Chuan; Ko, Yuan Pi; Huang, Chun Jen.

In: Acta Anaesthesiologica Taiwanica, Vol. 42, No. 2, 06.2004, p. 81-86.

Research output: Contribution to journalArticle

Rau, Ruey Horng ; Li, Yu Chuan ; Cheng, Jen Kun ; Chen, Chien Chuan ; Ko, Yuan Pi ; Huang, Chun Jen. / Predicting blood pressure change caused by rapid injection of propofol during anesthesia induction with a logistic regression model. In: Acta Anaesthesiologica Taiwanica. 2004 ; Vol. 42, No. 2. pp. 81-86.
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