Abstract:
BACKGROUND AND OBJECTIVE:The efficiency of bilateral paravertebral blockade combined with general anaesthesia (active) vs. general anaesthesia alone (control) in reducing postoperative pain following laparoscopic cholecystectomy was evaluated using a prospective randomized study design. METHODS:Patients were randomly assigned to either group. Nerve-stimulator guided paravertebral blockade at the T5-6 level was performed with a local anaesthetic mixture (0.30 mL kg(-1)). Twenty millilitres of the mixture contained lidocaine 2% 6 mL; lidocaine 2% 6 mL with epinephrine 1/200 000; bupivacaine 0.5% 5 mL; fentanyl 1 mL (50 microg mL(-1)) and clonidine 2 mL (150 microg mL(-1)). Postoperative pain and consumption of opioids were assessed during the first 72 h. RESULTS:Two-times 30 patients were analysed. Patient characteristics data, and pre- and peroperative variables were similar in both groups. Mean pain scores visual analogue scale were significantly less with active compared with control (P < 0.05) at 6h (1.56 +/- 1.58 vs. 4.78 +/- 1.67), at 12 h (1.52 +/- 1.58 vs. 3.81 +/- 1.63), at 24 h (1.16 +/- 1.34 vs. 2.71 +/- 1.50), at 36h (0.68 +/- 1.02 vs. 2.29 +/- 1.41), at 48h (0.60 +/- 1.04 vs. 1.61 +/- 1.33) and at 72 h (0.40 +/- 0.86 vs. 1.19 +/- 1.16). The number of patients consuming supplemental analgesics was significantly less (P < 0.05) with active compared with control, at 6 h (6 vs. 29), at 12 h (2 vs. 26), at 24 h (1 vs. 23) and at 36 h (2 vs. 15). More patients were free from nausea (P < 0.05) with active compared with control at 6 h (23 vs. 9) and at 12 h (29 vs. 19). CONCLUSION:When used as a complement to general anaesthesia, bilateral nerve-stimulator guided paravertebral blockade with lidocaine, bupivacaine, fentanyl and clonidine may improve postoperative pain relief.
journal_name
Eur J Anaesthesioljournal_title
European journal of anaesthesiologyauthors
Naja MZ,Ziade MF,Lönnqvist PAdoi
10.1017/s026502150400612xsubject
Has Abstractpub_date
2004-06-01 00:00:00pages
489-95issue
6eissn
0265-0215issn
1365-2346journal_volume
21pub_type
临床试验,杂志文章,随机对照试验abstract:BACKGROUND AND OBJECTIVE:Preoperative oral dextromethorphan and intravenous clonidine attenuate arterial pressure and heart rate increases during tourniquet inflation under general anaesthesia. The effect of preoperative oral clonidine on these variables has not been investigated. METHODS:We designed this study to com...
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