This prospective, randomized study,control study aims to compare the analgesic effect,opioids consumption,quality of recovery,length of hospital stay and incidence of chronic pain,et al. between single-injection QLB(quadratus lumborum block)+ intravenous patient-controlled analgesia (IPCA) and intravenous patient-controlled analgesia (IPCA) alone in patients undergoing laparoscopic renal surgeries.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
30
Inject local anesthetics in between quadratus lumborum and psoas major without continuous local infusion
The curved (C1-5) probe of Philip CX 50 Ultrasound Scanner is used for scan
Xulei CUI
Beijing, Beijing Municipality, China
cumulative morphine consumption
Time frame: within 48 postoperative hours
The pain scores determined by the numeric rating scale (NRS, 0-10)
Time frame: At 0, 2,4, 8, 12, 24 ,48,72hours after the surgery
nausea and vomiting score
Time frame: within 24 hours after the surgery
pruritus score
Time frame: within 24hour after the surgery
ambulation time
Time frame: within the 7 days after surgery
time of recovery of bowl movement
Time frame: within the 5 days after surgery
quality of recovery
use the self-assessment 15 item QoR scale to assess the patient's recovery
Time frame: 3days and 5days after surgery
Postoperative hospital length of stay
Time frame: Up to 6 weeks
patient satisfaction with anesthesia
use the Chinese version Bauer questionnaire to assess the patient satisfaction with anesthesia
Time frame: 48 hours after surgery
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* 0.6ml/kg 0.5% ropivacaine with 1:200,000 adrenaline. * given immediately after the correct position of the tip of the needle has been verified.
bolus: 1.5\~2mg, lock time: 10min, 1h limitation: 6\~8mg