Observation on effect of different concentrations and small dose of lidocaine of CSEA in elderly patients with non-PPH anorectal surgery / 重庆医学

ABSTRACT

Objective To evaluate the efficacy of different concentrations and small dose of lidocaine of combined spinal epi-dural anesthesia(CSEA) in elderly patients with non-procedure for prolapse and haemorrhoids(PPH) anorectal surgery .Methods One hundred and twenty elderly patients undergoing non-PPH anorectal surgery were selected and randomly dividedin to 4 groups , the group A(1 .5% lidocaine) ,B(1 .0% lidocaine) ,C(0 .8% lidocaine) and D ,30cases in each group .The group A ,B and C adopted CSEA ,and the group D adopted the sacral anesthesia .The changes of mean arterial pressure(MAP) and heart rate(HR) at different time points ,stress reactions before and after operation ,anesthetic operating time ,effect onset time ,postoperative reactivating time , anesthetic grade ,success rate ,postoperative patient satisfaction ,postoperative surgeon satisfaction and urine retention were recor-ded .Results MAP and HR at different time points had no statistical difference among 4 groups(P>0 .05) .The anesthetic onset time and postoperative activity recovery time in the group A ,B and C were significantly less than those in the group D(P<0 .01) . The postoperative activity recovery time in the group A was longer than that in the group B and C .The urine retention time in the group A ,B and C was significantly less than that in the group D (P<0 .05) .The postoperative patient satisfaction and surgeon sat-isfaction in the group A and B were 100% .Conclusion 1% lidocaine CSEA is more suitable for the elderly patients with non-PPH anorectal operation .