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Comparison of Perfusion Index, T Wave Amplitude, Systolic Blood Pressure and Heart Rate

2014-08-27 03:13:22 | BioPortfolio

Summary

The purpose of this study is to determine whether changes in perfusion index can be used for detecting intravascular injection of an epinephrine in anesthetized adults and to compare its reliability with criteria using changes in heart rate, systolic blood pressure or T-wave amplitude.

Description

Intravenous injection of local anesthetics could result in life-threatening complications during general anesthesia. Physicians usually use local anesthetics containing epinephrine to detect intravascular injection. Existing methods including heart rate, systolic blood pressure and T-wave amplitude are unreliable to detect intravascular injection during anesthesia and a method using changes in perfusion index was recently suggested. This study was designed to determine whether perfusion index is a reliable method to detect intravascular injection of epinephrine containing local anesthetics and to compare its reliability with conventional criteria in sevoflurane anesthetized adults.

We will randomize patients to 2 groups: a saline group and an epinephrine group. Changes in perfusion index, systolic blood pressure, heart rate and T-wave amplitude will be measured during 5 minutes after injection of 3 mL of saline or 1% lidocaine containing epinephrine. we will determine sensitivity, specificity, positive predictive value and negative predictive value.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention

Conditions

Injections, Intravenous

Intervention

Epinephrine, Control

Location

Seoul National University Hospital
Seoul
Korea, Republic of
110-744

Status

Not yet recruiting

Source

Seoul National University Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:13:22-0400

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