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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.
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.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention
Seoul National University Hospital
Korea, Republic of
Not yet recruiting
Seoul National University Hospital
Published on BioPortfolio: 2014-08-27T03:13:22-0400
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Injections made into a vein for therapeutic or experimental purposes.
Intravenous injections of sodium amytal or sodium pentothal to induce a state in which the patient is more relaxed and communicative. Narcosuggestion, narcosynthesis, and narcoanalysis are therapeutic processes using these drug adjuncts.
Injections introduced directly into localized lesions.
Injections into the lymph nodes or the lymphatic system.
Injections into the cerebral ventricles.
Cardiovascular disease (CVD)
Acute Coronary Syndromes (ACS) Blood Cardiovascular Dialysis Hypertension Stent Stroke Vascular Cardiovascular disease (CVD) includes all the diseases of the heart and circulation including coronary heart disease (angina...
Anesthesia is the loss of feeling or sensation in all or part of the body. It may result from damage to nerves or can be induced by an anesthetist (a medical professional) using anesthetics such as thiopental or propofol or sevoflurane during a surgical ...