Analgesia Nociception Index can be used to detect noxious stimulation during general anesthesia.The aim of this study is to observe ANI under combined spinal epidural anesthesia procedures in conscious hernia patients.
Analgesia Nociception Index which is derived by heart rate variability, can be used to detect noxious stimulation during general anesthesia. However, the impact of anxiety on ANI evaluation and the correlation between ANI, pain, and anxiety in awake patients remains unclear. This study aimed to investigate the correlation between ANI, pain, and anxiety in conscious hernia patients undergoing combined spinal epidural anesthesia procedures.
Study Type
OBSERVATIONAL
Enrollment
24
The Anxiety (Visual Analogue Scale for Anxiety), pain (Visual Analogue Scale), and the Analgesia Nociception Index (ANI) assessments are conducted at four specific time points: lateral position, local anesthesia, epidural needle puncture and 2 minutes after puncture.
Beijing Chao Yang Hospital
Beijing, Beijing Municipality, China
The correlation between ANI and pain (measured with Visual Analog Scale,VAS), ANI and anxiety (measured with Visual Analog Scale-Anxiety,VAS-A) changes in conscious patients during anesthesia procedures
ANI is derived from hear rate variability, ranging from 0-100, bigger number means better analgesic level. Patients undergoing CSEA may experience mid-level anxiety while remaining conscious. The anxiety (VAS-A), pain (VAS), and ANI assessments were conducted at four specific time points.
Time frame: The changes of ANI, VAS, and VAS-A, from baseline at different Time-points to 2min after anesthesia procedures, (Timepoints: T1=after lateral position, T2=local anesthesia, T3=epidural needle puncture, and T4=2 minutes after puncture)
The correlation between pain (measured with Visual Analog Scale,VAS) and anxiety (measured with Visual Analog Scale-Anxiety,VAS-A) changes in conscious patients during anesthesia procedures
The anxiety (VAS-A) and pain (VAS) were conducted at three specific time points, since there is no stimulus at lateral position (Timepoints: T2=local anesthesia, T3=epidural needle puncture, and T4=2 minutes after puncture).
Time frame: The changes of VAS, and VAS-A, from baseline at different Time-points to 2min after anesthesia procedures, (Timepoints: T2=local anesthesia, T3=epidural needle puncture, and T4=2 minutes after puncture)
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