Browsing by Autor "Careli"

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    Comparing Heart Rate Variability Intensity Using the ANI Monitor: Opioid-Free Anesthesia vs. Opioid Induction
    (2023) Erick Alejandro; Villalobos -Ramírez; Rocío Sanchez-Nava; Fatima Morado-Manriquez; Robles Méndez Hernández; Fatima Morado-Manriquez; Careli; Robles Mndez Hernndez; T Ledowski; Jeanne Mathieu
    Introduction:General anesthesia aims to induce a controlled state of unconsciousness, amnesia, and immobility while maintaining physiological balance.Optimizing hypnosis levels and administering appropriate analgesics are crucial for minimizing complications and ensuring adequate pain management during surgery.This study focuses on the Analgesia Nociception Index (ANI) as a measure of heart rate variability (HRV) to compare two general anesthesia techniques: opioid-free anesthesia and opioid induction. Methods:A retrospective comparative analytic study was conducted on patients undergoing laparoscopic procedures under general anesthesia at Hospital ngeles Metropolitano in Mexico City from January 2020 to December 2022.Patient records meeting specific criteria were classified into two groups: opioid-free anesthesia (OFA) and opioid anesthesia (OA).ANI measurements were collected at different time periods, including 5 minutes before surgical stimuli (ANI-5), at the stimulus (ANI-0), and 5 minutes after the stimulus (ANI+5). Results:The study included 32 patients, comprising 10 men (31.3%) and 22 women (68.8%) with a mean age of 52 18 years.There were no significant differences in age or surgical duration between the OFA and OA groups.The ANI measurements did not show significant differences between groups at any time point, indicating similar HRV intensity.Discussion: Although no significant differences were found between the opioid-free anesthesia and opioid induction groups, a general linear model of repeated measures was employed to assess the effect of opioids on HRV over time.However, the effect size did not reach statistical significance. Conclusion:This study comparing the intensity of heart rate variability using the ANI monitor in opioid-free anesthesia and opioid induction did not reveal significant differences between the two techniques.Further research with larger sample sizes may be necessary to elucidate the potential effects of opioids on HRV during general anesthesia.