Abstract:
BACKGROUND:The aim of this study was to investigate the effects of spinal anesthesia using two different doses of fentanyl combined with low-dose levobupivacaine in anorectal surgery. METHODS:In this prospective, double-blind study, 52 American Society of Anaesthesiologists I-II patients scheduled for elective anorectal surgery were randomized into two groups. The patients in group I received intrathecal 2.5mg hyperbaric levobupivacaine plus 12.5μg fentanyl and in group II received intrathecal 2.5mg hyperbaric levobupivacaine plus 25μg fentanyl. All the patients remained in the seated position for 5min after completion of the spinal anesthesia. Sensory block was evaluated with pin-prick test and motor block was evaluated with a modified Bromage scale. RESULTS:Motor block was not observed in both of the groups. The sensory block was limited to the S2 level in group I, and S1 level in group II. None of the patients required additional analgesics during the operation. Time to two-segment regression was shorter in group I compared with group II (p<0.01). One patient in group I and 5 patients in group II had pruritus. Hemodynamic parameters were stable during the operation in both of the groups. CONCLUSION:Spinal saddle block using hyperbaric levobupivacaine with both 12.5μg and 25μg fentanyl provided good quality of anesthesia without motor block for anorectal surgery in the prone position.
journal_name
Rev Bras Anestesioljournal_title
Revista brasileira de anestesiologiaauthors
Honca M,Dereli N,Kose EA,Honca T,Kutuk S,Unal SS,Horasanli Edoi
10.1016/j.bjan.2014.01.007subject
Has Abstractpub_date
2015-11-01 00:00:00pages
461-5issue
6eissn
0034-7094issn
1806-907Xpii
S0034-7094(14)00012-9journal_volume
65pub_type
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