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NCT07398573
Study Type: Prospective, Randomized, Observational Clinical Study Primary Purpose: The primary objective of this study is to compare the analgesic efficacy of caudal block (CB) and quadratus lumborum block (QLB) in children undergoing lower abdominal surgery using objective pain monitoring methods. Key Questions Addressed: Does the quadratus lumborum block provide superior intraoperative and postoperative analgesia compared to the caudal block, as measured by the Pain Monitor (PAM) and the FLACC scale? Is the PAM monitor a reliable tool for objectively assessing nociception and pain in children who are unable to verbally express pain? Which regional anesthesia technique more effectively delays the time to first postoperative analgesic requirement and reduces total analgesic consumption? Which method is associated with higher parental satisfaction and fewer postoperative side effects, such as postoperative nausea and vomiting? Comparison Groups: Children receiving ultrasound-guided quadratus lumborum block will be compared with those receiving caudal block. Intervention Group: Bilateral quadratus lumborum block with 0.5 mL/kg of 0.25% bupivacaine. Active Comparator Group: Caudal block with 1 mL/kg of 0.125% bupivacaine. Participant Population: A total of 68 children, aged 2 months to 6 years, with ASA physical status I-II, scheduled for elective lower abdominal surgeries (e.g., inguinal hernia repair, orchiopexy, hydrocele). What Participants Will Do: Participants will receive the assigned regional block as part of standard anesthetic care. Observational data will be collected as follows: Intraoperative: Continuous nociception monitoring using the PAM device at predefined time points (during laryngeal mask airway insertion, block performance, surgical incision, 20 minutes after block performance, and extubation). Postoperative: Pain assessment using the FLACC scale at 1, 2, and 4 hours in the post-anesthesia care unit. Rescue analgesia (intravenous paracetamol) will be administered if the FLACC score is ≥4. Time to first analgesic administration and total analgesic consumption will be recorded. Additional outcomes include postoperative nausea and vomiting (PONV) scores, Steward recovery scores, and parental satisfaction scores assessed using the Pediatric Parental Satisfaction Scale (PPPS). Primary Outcome: Intraoperative PAM index scores. Secondary Outcomes: Postoperative FLACC scores, time to first analgesic requirement, total postoperative analgesic consumption, incidence and severity of PONV, Steward recovery scores, and parental satisfaction (PPPS) scores.
NCT07301528
This prospective randomized controlled clinical trial aims to compare the analgesic effectiveness of the Erector Spinae Plane (ESP) block and the Quadratus Lumborum (QL) block in pediatric patients undergoing appendectomy. Both regional anesthesia techniques have been shown to reduce opioid requirements and improve postoperative recovery in children; however, there is limited evidence directly comparing their efficacy. In this study, eligible participants will be randomly assigned to receive either an ESP or a QL block in addition to standard general anesthesia before surgical incision. Postoperative outcomes will include pain scores, total opioid consumption, time to first analgesic requirement, mobilization time, parental satisfaction, length of hospital stay, block-related complications and block performance time. The findings are expected to guide clinicians in selecting the most effective regional anesthesia technique for postoperative pain control in pediatric appendectomy.
NCT05371015
With the continuous advancement of ultrasonic technology, nerve block in which drugs are injected into the periphery of the target nerve through ultrasonic guidance has become the mainstream method for postoperative pain control. The quadratus lumborum nerve block has been effectively and safely used in abdominal surgery (such as laparotomy, caesarean section, etc.), effectively reducing postoperative wounds and visceral pain. There is no research on the use of quadratus lumborum nerve block to control the pain of natural postpartum uterine contractions in the current literature, so the purpose of this experiment is to explore whether the quadratus lumborum nerve block can effectively reduce the pain of uterine contractions after vaginal delivery.
NCT03935815
This study would like to compare the use of the current standard of care in pain management for patients undergoing laparoscopic myomectomies to the addition of a quadratus lumborum nerve block plus the standard of care. Patients will be consented and the nerve blocks will be placed after the patients are placed under general anesthesia. Standard pain management will continue regardless of which arm of the study patients are in and measurements of pain scores, narcotic usage and abdominal numbness will be assessed in the post-operative period.