ABSTRACT
Objective To observe the difference of quadratus lumborum block (QLB)and transversus abdominis plane (TAP)block combined with patient controlled intravenous analgesia with sufentanil in analgesia after appendectomy.Methods Seventy-seven patients undergoing appendecto-my,including 44 patients males and 33 patients females,all falling into ASA Ⅰ or Ⅱ,were random-ized into group QLB (n =39)and group TAP block (n =38).Ultrasound-guided QLB and TAP block was performed at the end of operation and 0.25% ropivacaine hydrochloride 20 ml was used.Postop-erative VAS score and the consumption of sufentanil at 4,8,12,24 and 48 h was recorded.Postoper-ative nausea and vomiting,dizziness,skin itching were recorded.Results Patients in group QLB used significantly less sufentanil than that of group TAP (P <0.05 )at 12,24,48 h and VAS score has no differences after operation.Side effects like postoperative nausea and vomiting [2(5.1%)vs 8(21.0%)], and dizziness [4(10.2%)vs 11(28.9%)]were significantly less (P <0.05).Conclusion QLB can more effectively reduce postoperative sufentanil consumption and side effect than TAP block.