In our study periarticular infiltration was clearly superior to PCA with morphine after THA, providing better pain relief and lower opioid consumption postoperatively. Infiltration seems to be equally effective to epidural analgesia without having the potential side effects of the latter.
Preincisional parecoxib administration compared to postincisional administration reduced postoperative morphine consumption, but without affecting morphine-related adverse effects and attenuated IL-6 production 24 h after surgery for colorectal cancer.
This review article provides an overview of published data regarding the involvement of music in anesthesia practice. Music is an important topic for research in different fields of anesthesiology. The use of music preoperatively is aimed at reducing anxiety, stress, and fear. However, the effect of music on perception of pain intraoperatively is controversial, according to studies of both adults and children undergoing various surgical procedures under general and/or regional anesthesia. In postoperative pain management, postanesthesia care, and neonatal intensive care, music can be a complementary method for reducing pain, anxiety, and stress. Music is a mild anxiolytic, but it is relatively ineffective when a pain stimulus is severe. However, music is inexpensive, easily administered, and free of adverse effects, and as such, can serve as complementary method for treating perioperative stress and for acute and chronic pain management, even though music's effectiveness depends on each individual patient's disposition and severity of pain stimulus.
OBjEcTIVE: To compare the effects of various anaesthetics on stress response in the presence and absence of surgical stimulation. DESIGN: Twenty-nine pigs scheduled to undergo surgical central vein catheter placement were randomly allocated to receive only sedation with ketamine-midazolam (group SHAM, n=5) or general anaesthesia with either propofol 8 mg/kg/h (group PROP, n=8), sevoflurane 1.0 MAc (group SEVO, n=8) or desflurane 1.0 MAc (group DESF, n=8). Following surgery, anaesthesia was maintained for a total period of 4 hours. Thyroid hormones, noradrenaline, cortisol, corticotrophin (AcTH), β-endorphin, interleukin-1β and -6 and tumor necrosis factor-α were determined by appropriate methodology after premedication (t0), after surgical procedure (t1) and at the end of 4h (t2). RESULTS: At t1 AcTH and β-endorphin increased in all groups, thyroxin in groups SEVO, DESF and PROP, noradrenaline in group SEVO and cortisol in the SHAM and PROP groups. At t2 cortisol and AcTH levels were lower in the PROP compared to SEVO group. Serum cytokines were not significantly altered in either group. cONcLUSIONS: The choice of the general anaesthetic did not affect thyroid hormones levels in either the presence or absence of surgical stimulus. In the presence of surgical stimulation, sevoflurane resulted in higher noradrenaline levels and in higher activity of the AcTH-cortisol axis compared to propofol.
We studied the effects of sevoflurane, remifentanil hydrochloride, and alfentanil anesthesia in terms of the hemodynamic responses and emergence characteristics of patients scheduled for elective microlaryngeal surgery. Sixty patients (ASA I to III) were randomly allocated into 2 groups: group S-R (sevoflurane-remifentanil) and group S-A (sevoflurane-alfentanil; 1:20 and 1:4 ratios of remifentanil to alfentanil for induction and maintenance of anesthesia, respectively; doses not strictly equipotent). The mean arterial pressure and heart rate were measured before and after induction of anesthesia, 1 and 3 minutes after endotracheal intubation, at the insertion of the operating laryngoscope, and every 3 minutes during surgery. The emergence times and side effects during the first 30 minutes after surgery were also recorded. The mean arterial pressure values at the insertion of the operating laryngoscope and throughout the procedure were significantly greater (p < .05) in group S-A than in group S-R. The emergence times and postoperative side effects did not differ, except for the greater pain score (p < .05) in group S-R. In conclusion, sevoflurane with remifentanil seems to maintain cardiovascular stability during microlaryngeal surgery more effectively than sevoflurane with alfentanil. Both anesthetic regimens seem to provide rapid and uneventful emergence.
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