ecrin-mdr-crcClinical2022Colorectal cancerColorectal CancerInterventionalhttps://newmdr.ecrin.org/Study/37118China2ECRIN MDRRecruitingfalseEfficacy of ultrasound-guided continuous transverse abdominal plane block technique on intraoperative and postoperative recovery in patients undergoing laparoscopic colorectal surgeryInterventions: Group 1:PCIA;Group 2:STAPB;Group 3:CTAPB Primary outcome(s): Visual analog score for pain Study Design: Parallel2022-02-1537118ChiCTR2200056826