Continous Quadratus Lumborum Block for Hepatic Surgery With Right Subcostal Incision

Ultrasound-guided Continous Quadratus Lumborum Block: Effect on Acute Pain and Quality of Recovery After Hepatic Surgery With Right Subcostal Incision

This prospective, randomized study, control study aims to compare the analgesic effect, opioids consumption, quality of recovery, length of hospital stay and et al. between unilateral continuous quadratus lumborum block (QLB) and intravenous patient-controlled analgesia (IPCA) alone in patients undergoing hepatectomy with right J-shape subcostal incision.

Inclusion Criteria:

• Age 18-70 yrs
• American Society of Anesthesiologists physical statusⅠ-Ⅲ
• Undergo hepatectomy with right J-shape subcostal incision
• Informed consent

Exclusion Criteria:

• A known allergy to the drugs being used
• Coagulopathy, on anticoagulants
• Analgesics intake, history of substance abuse
• Participating in the investigation of another experimental agent
• Inability to properly describe postoperative pain to investigators (eg, language barrier, neuropsychiatric disorder)