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This prospective, randomized study,control study aims to compare the analgesic effect,opioids consumption,quality of recovery,length of hospital stay，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 partial nephrectomy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| single-injection TQLB(transmuscular quadratus lumborum block) | Experimental | Single-injection of TQLB is given preoperatively + postoperative IPCA(intravenous patient controlled analgesia) |
|
| Control | Active Comparator | postoperative IPCA is given alone |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| single-injection TQLB(transmuscular quadratus lumborum block) | Procedure | Inject 0.6ml/kg local anesthetics in between quadratus lumborum and psoas major under ultrasound guidance |
| Measure | Description | Time Frame |
|---|---|---|
| cumulative morphine consumption 8 hours after surgery | at the 8 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| cumulative morphine consumption at other time points after surgery | at 0, 2, 4, 12, 24 and 48 hours after surgery | |
| The pain scores(at rest or on activity) determined by the numeric rating scale (NRS, 0-10) | NRS is an internationally recognized pain scale with 11 points ranging from 0 to 10 points, with 0 defined as no pain and 10 defined as the worst pain imaginable. |
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inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cui Xulei | Beijing | Beijing Municipality | 100730 | China |
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| ID | Term |
|---|---|
| D000377 | Agnosia |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
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| Morphine given as IPCA(intravenous patient controlled analgesia) | Drug | PCIA was initiated using a pump set to deliver boluses of 1.5-2 mg of morphine with a 5-minute lockout interval and no background infusion. The maximal permitted dosage of morphine was set at 8 mg/h. |
|
| at 0, 2, 4, 8,12, 24, 48 and 72 hours after surgery |
| episodes of nausea and vomiting | within 24 hours after the surgery |
| ambulation time | time from the end of the surgery to the first time to out-of-bed activity | within the 5 days after surgery |
| time of recovery of bowl movement | time from the end of the surgery to the first time of bowl movement | within the 5 days after surgery |
| patient satisfaction with anesthesia | Patient satisfaction with anesthesia was assessed using a 5-point scale (5: very satisfied; 4: satisfied; 3: neither satisfied nor dissatisfied; 2: dissatisfied; 1: very dissatisfied) | at 48 hours after surgery |
| quality of recovery evaluated by the self-assessment 15-item quality of recovery (QoR) scale | QoR is a 15-item questionnaire which will score on a scale of 0-10 pertaining to patient's comfort, support system, pain, well-being, and ability to carry out daily activities, where 0 indicates none of the time and 10 indicates all of the time | at 72 hours and 120 hours after the sugery |
| postoperative length of hospital stay | time to patient's discharge | within 2 weeks after the surgery |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |