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Excerpt
The purpose of our study was to compare the equipotent doses of ropivacaine and bupivacaine for walk-out criteria and the characteristics of spinal anesthesia in day-case inguinal herniography surgery.
Materials and Methods: 61 patients were included our study as GrR (n = 31) ropivacaine (7.5mg/mL) 7.5mg + fentanyl 25mcg, GrB (n = 30) bupivacaine (05%) 5mg + fentanyl 25 mcg. CSEA was performed at L1-2 or L2-3 interspaces in sitting position. Each study solution diluted to 3 mL with distiled water was injected during 180sec. Then the patients were placed 30°-45° semi-sitting position. Sensory onset time (SOT), motor onset time (MOT), degree of maximum motor block (MBD), time to T6 dermatome (TT6), two dermatom sensory regression time (SBR), S2 dermatom regression time (S2R), motor regression time (MBR), hemodynamic changes, time to first analgesic requirement (FAT), whether patients have ability to stand and walk at the operation ended in recovery room (ASW), comfort of surgery, patient and surgeon satisfaction were determined. Mann Whitney U, Chi-Square tests were used for statistical analysis.
Results: Data of SOT, MOT, TT6, SBR, MBR are shown in table. Median value of MBD was Bromage 2, and similar among groups. The number of ASW patients were 18 in GrR, 13 in GrB and were not statistically different. Hemodynamic parameters, FAT, The comfort of surgery, patient and surgeon satisfaction were similar.
Conclusions: In inguinal hernia repair; walking spinal anesthesia performed with the equipotent doses of ropivacaine and bupivacaine may provide similar walk-out criteria and sensorial block characteristics but minimum delay motor block regression with bupivacaine may be observed.
