A method of masking oxytocin infusion rates

Lester J. Voutsos, David B. Schwartz, Dean G. Silveri, David M. Cantor

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Controversy exists as to the optimum infusion rate of oxytocin during labor. A system is described to mask infusion rates, and this may help eliminate bias in the study of oxytocin infusion. Method: The hardware consists of a commercially available infusion pump that has the capability to receive and send computer messages and a laptop computer. The pump and a programmed computer are attached to a portable stand for bedside use. The display on the pump may be masked while the computer displays the level for any one of three actual rates. Experience: Masked and unmasked simulations were performed without human subjects, followed by unmasked bedside testing in 45 patients. The simulation and bedside testing confirmed the system had the ability to maintain designated flow rates in all manner of increases, decreases, stoppages, and restarts. Conclusion: This system is a computer-controlled infusion pump with the ability to mask infusion rates. This may allow investigators to compare oxytocin infusion rates objectively in the induction and augmentation of labor.

Original languageEnglish (US)
Pages (from-to)1041-1043
Number of pages3
JournalObstetrics and gynecology
Volume94
Issue number6
DOIs
StatePublished - Dec 1 1999

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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