Abstract
Background: Caudal epidural anesthesia commonly utilized in veterinary practice to allow diagnostic, obstetrical, and surgical interventions in the perineal region of cows. An experimental study conducted on epidural anesthesia from October 2018 to March 2019 on 6 cows with repeated treatments after one week by two groups of anesthetic drugs. Methods and materias First Lignocaine is given for Group-I of cows in the first intercoccygeal space and then the same animals after one week injected Lignocaine-Xylazine together in the intercoccygeal space. The Clinical-physiological parameters such as the onset of analgesia, duration of analgesia, ataxia, sedation, heart rate, respiratory rate, and rectal temperature between the two groups studied by compression. Finally, the significance of the change in the study unit between Lignocaine and Lignocaine-Xylazine analyzed according to SPSS version 19 for t-test and P-value <0.05 taken as statistically significant. Results: There was no significant change that appeared between the onset of analgesia of Lignocaine (4.3±0.6min) alone and Lignocaine-Xylazine (4.9±1.1min) injection together (t=1.17; P>0.05). This indicates that the addition of Xylazine to Lignocaine does not significantly delay the onset of anesthesia. However, there was a significant difference observed in the duration of analgesia between two groups (t=13.2; P<0.05) with Lignocaine-Xylazine (259.5±12.38min) longer duration than Lignocaine alone (84±4.05min). This indicates that Lignocaine and Xylazine have an additive effect on the duration of analgesia. In the case of physiological parameters, there were significant variations in heart rate (t=7.5; P<0.05) with Group II cows lower in heart rate than Group I cows. Statistically, a significant difference was also observed on respiratory rate (t=2.13; P<0.05) in which the addition of Xylazine on Lignocaine significantly lower breathing rate than Lignocaine injection alone. Finally, on rectal temperature, there was no statistically significant difference appeared (t=1.7; P>0.005) with rectal temperature in Group I cows (0.15± 0.28 OC) and in Group II cows (0.9±0.31 OC) which indicate that addition of Xylazine to Lignocaine lower rectal temperature similar to Lignocaine injection alone. Mild ataxia was observed in three groups I, cows, and there was no sedation and salivation noted at all. In Group II, cows mild to severe ataxia, deep sedation, salivation, and falling observed. In both groups, there was no anesthetic complication during epidural analgesia and after recovery noted.Conclusion: generally this study showed that, combination of Lignocaine and Xylazine have an additive effect on the duration and quality of analgesia.
Combination of clonidine–bupivacaine in caudal epidural anesthesia for hypospadias surgery in children: prospective, randomized, blind study
