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A randomized controlled trial on analgesic effect of repeated Quadratus Lumborum block versus continuous epidural analgesia following laparoscopic nephrectomy.

ABSTRACT: BACKGROUND:Epidural analgesia as the effective pain management for abdominal surgery has side effects such as paresthesia, hypotension, hematomas, and impaired motoric of lower limbs. The quadratus lumborum block (QLB) has potential as an abdominal truncal block, however, its analgesic efficacy has never been compared to epidural analgesia on laparoscopic nephrectomy. This prospective randomized controlled study compared the effectiveness of QLB with the epidural analgesia technique in relieving postoperative pain following transperitoneal laparoscopic nephrectomy. METHODS:Sixty-two patients underwent laparoscopic donor nephrectomy and were randomized to receive QLB (n?=?31) or continuous epidural (n?=?31). The QLB group received bilateral QLB using 0.25% bupivacaine and the epidural group received 6?ml/h of 0.25% bupivacaine for intraoperative analgesia. As postoperative analgesia, the QLB group received repeated bilateral QLB with the same dose and the epidural group received 6?ml/h of 0.125% bupivacaine for 24?h after surgery completion. The primary outcome was the 24-h cumulative morphine requirement after surgery. The secondary outcome was the postoperative pain scores. Sensory block coverage, hemodynamic changes, Bromage score, postoperative nausea-vomiting (PONV), paresthesia, and duration of urinary catheter usage were recorded and analyzed. RESULT:The 24-h cumulative morphine requirement and pain scores after surgery were comparable between the QLB and epidural groups. The coverage of QLB was extended from T9 to L2 and the continuous epidural block was extended from T8 to L3 dermatomes. The mean arterial pressure (MAP) measured at 24?h after surgery was lower in the epidural group (p?=?0.001). Bromage score, incidence of PONV, and paresthesia were not significantly different between the two groups. Duration of urinary catheter usage was shorter (p?

SUBMITTER: Aditianingsih D

PROVIDER: S-EPMC6894195 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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A randomized controlled trial on analgesic effect of repeated Quadratus Lumborum block versus continuous epidural analgesia following laparoscopic nephrectomy.

Aditianingsih Dita D Pryambodho Anasy Naufal N Tantri Aida Rosita AR Mochtar Chaidir Arif CA

BMC anesthesiology 20191205 1

<h4>Background</h4>Epidural analgesia as the effective pain management for abdominal surgery has side effects such as paresthesia, hypotension, hematomas, and impaired motoric of lower limbs. The quadratus lumborum block (QLB) has potential as an abdominal truncal block, however, its analgesic efficacy has never been compared to epidural analgesia on laparoscopic nephrectomy. This prospective randomized controlled study compared the effectiveness of QLB with the epidural analgesia technique in r ...[more]

PMID: 31805855

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Project description:ObjectiveAnterior quadratus lumborum block at the lateral supra-arcuate ligament (QLBA) is a new method for postoperative pain relief in patients undergoing abdominal surgery. Perioperative QLBA is effective, but it has not been compared with posterior quadratus lumborum block (QLB2). The present study aims to evaluate the postoperative pain of patients undergoing laparoscopic nephrectomy surgery with QLBA versus QLB2.Methods/designThis study is a randomised, prospective, parallel group, non-inferior trial. All patients undergoing laparoscopic nephrectomy surgery will be randomised 1:1 to the QLBA group or the QLB2 group with general anaesthesia. The objective of the trial is to evaluate the postoperative pain of patients undergoing laparoscopic nephrectomy surgery with QLBA (n=50) versus QLB2 (n=50). The primary outcome for this trial is the Visual Analogue Scale scores at rest and activity (dynamic pain scores are assessed with a cough or a trial to sit up in bed) 2 hours after surgery between patients who receive QLBA versus QLB2. The secondary objectives will be to compare (1) pain at rest and activity 0.5 hour, 2 hours, 24 hours, 48 hours after surgery; (2) the time spent on block operation; (3) the blocked dermatomal coverage 5 min and 15 min after block operation; (4) intraoperative opioid consumption; (5) types and doses of the rescue analgesic after surgery; (6) nausea and vomiting score within 24 hours after surgery; (7) time from the end of surgery to the first onset significant pain; (8) patient satisfaction score.DiscussionClinical experience has supported that QLB is a very effective postoperative analgesic method, and we will answer the following questions in this trial: Will both approaches have the same analgesic effect and duration? Will the QLBA have a non-inferior postoperative analgesic effect compared with QLB2 or the QLBA be able to prolong the duration of analgesia after surgery? The results of this study could have actual clinical applications that could help to reduce postoperative pain and shorten hospital stays.Ethics and disseminationThe study design was approved by the ethical committee of Beijing Chao-Yang Hospital, Beijing, China (2020-ke-321). The trial results will be published in peer-reviewed journals and at conferences.Trial registration numberChiCTR2000035354.

Project description:Background:Postoperative pain management is important for the early recovery of the living donor patient. Patient-controlled opioid analgesia, epidural analgesia, or a combination of both is the preferred pain management after abdominal surgery although these approaches have serious side effects. The transversus abdominis plane (TAP) block has been increasingly used for postoperative pain management and the addition of dexamethasone to local anesthetic can prolong the duration of action. Objectives:This study evaluated the efficacy of ultrasound-guided three-quadrant TAP block analgesia with the addition of dexamethasone, compared to the continuous epidural analgesia in postoperative cumulative opioid consumption and pain scale in the first 24 hours following transperitoneal laparoscopic living donor nephrectomy. Methods:A prospective randomized control study was conducted on 50 patients with ASA I-II, 18 - 65 years old, BMI 18 - 30, and undergoing transperitoneal laparoscopic donor nephrectomy under general anesthesia. The patients were randomly assigned into either a three-quadrant TAP block group (n = 25) with 20 mL of 0.25% bupivacaine plus dexamethasone 8 mg or a continuous epidural group (n = 25) using 0.125% bupivacaine postoperatively. The morphine consumption and the numerical rating scale (NRS) at rest and movement were evaluated at 2, 6, 12, and 24 hours postoperatively. The postoperative first-time mobilization and duration of urinary catheter usage were recorded. Results:Patients demographic characteristics were similar in the two groups. During 24 hours after the surgery, cumulative morphine consumption (P = 0.232), the NRS at rest and movement (P > 0.05), and the first-time mobilization (P = 0.075) were not significantly different between the groups, except that the NRS during movement at 12 hours was significantly lower in the TAP block group (P = 0.004). The duration of urinary catheterization was significantly longer as a side effect in the continuous epidural group (P < 0.001). Conclusions:The three-quadrant TAP block with the addition of dexamethasone showed comparable analgesic effects as the continuous epidural analgesia in cumulative opioid consumption and pain scale in the first 24 hours following transperitoneal laparoscopic donor nephrectomy.

Project description:BACKGROUND:The postoperative analgesic effect of transmuscular quadratus lumborum block (QLB-TM) in patients following lower abdominal surgeries has been identified; however, the efficacy of QLB using the lateral approach (QLB-L) is still in debate. Therefore, this retrospective study was conducted to investigate the effect of a single-shot block with QLB-L on postoperative analgesia for patients undergoing percutaneous nephrolithotomy (PCNL). METHODS:The medical information of the patients undergoing PCNL was retrieved from the electronic charter system (Medisystem, Suzhou, China) in our Nanjing Drum Tower Hospital during the period of Jan/2019 to Jun/2019. Among the total of 57 patients, there are 17, 18, and 22 patients subjected to QLB-L, QLB-TM, or routine treatment, respectively. The primary observational parameter was to assess postoperative pain with visual analog scales (VAS) at rest 30?min after extubation, 24?h, and 48?h after surgery, respectively. The secondary observatory endpoints, including the consumption of intraoperative opioids, the cumulative dose of non-steroid anti-inflammatory drugs (NSAIDs) and the incidence of adverse events related to postoperative analgesia, were evaluated as well. RESULTS:The static VAS score at 24?h after surgery and the intraoperative consumption of sufentanil were significantly lower in patients receiving either intervention of QLB-L or QLB-TM as compared with those receiving routine treatment. However, one shot of QLB had no impact on VAS scores at 30?min post-extubation, 48?h after PCNL procedure compared with the patients receiving routine treatment. The percentage of non-ambulatory patients within 24?h post-PCNL was significantly higher in the QLB-TM group compared with the routine treatment group (P?=?0.04). There were no significant differences in the incidence of postoperative nausea and vomit (PONV), itches, respiratory depression, the time for the first defecation, and the length of hospital stay (LOS) among the three groups. CONCLUSIONS:QLB-L procedure may exert as equivalent as QLB-TM in terms of abrogating postoperative pain within 24?h post-surgery and decreasing intraoperative sufentanil consumption in patients undergoing PCNL procedure as well. The caution should be taken to avoid lower extremities weakness in the patients after QLB-TM within the first 24?h post-PCNL procedure.

Dataset Information

A randomized controlled trial on analgesic effect of repeated Quadratus Lumborum block versus continuous epidural analgesia following laparoscopic nephrectomy.

Publications

A randomized controlled trial on analgesic effect of repeated Quadratus Lumborum block versus continuous epidural analgesia following laparoscopic nephrectomy.

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