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90 patients ASA I-III, undergoing Total hip arthroplasty (THA) under spinal anesthesia, will be randomly assigned into one of three groups, namely group A (n=30), where an PENG block, group B (N:30) where an inra-articuler, and group C (n=30) where Quadratus lumborum block will be performed preoperatively. All patients will receive a standardized postoperative analgesia regimen. NRS scores will be evaluated in static and dynamic conditions during the first 48 hours postoperatively.
Total hip arthroplasty (THA) is the second most common joint replacement surgery, partly due to the aging population. The primary aim of this study is to compare the analgesic efficacy of Pericapsular nerve group (PENG) block with intra-articular and Quadrotus lumborum block (QLB). Regional anesthesia (RA), such as the recently described pericapsular nerve group (PENG) block, may provide additional analgesic benefit in this situation. Pericapsular nerve group (PENG) block is a new regional anesthesia technique to provide analgesia after hip fractures and hip arthroplasty. The aim of this single-center, double-blind, randomized controlled trial is to confirm the efficacy of PENG block for postoperative recovery after primary THA.
Routine multimodal analgesia will be used for postoperative analgesia
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PENG BLOCK ( Group A) | Active Comparator | A regional block will be applied while the patient is in the supine position. A curvilinear low-frequency ultrasound probe (2-5MHz) will initially be placed in a transverse plane on the AIIS and then rotate the probe approximately 45 degrees counterclockwise to align with the pubic ramus. In this view, IPE, iliopsoas muscle and tendon, femoral artery and pectineus muscle will be observed. A 22 gauge, 80 mm needle will be inserted from lateral to medial in an in-plane approach to place the psoas tendon anteriorly and posteriorly in the musculofacial plane between the pubic ramus. Following negative aspiration, a local anesthetic solution (20ml bupivacaine 0.5%) will be injected. |
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| Intra-articular( Group B) | Active Comparator | It will be applied to the intra-articular region by the surgeon at the end of the operation. A volume of 60 ml (30 ml of 0.5% bupivacaine and 30 ml of 0.9% NaCl) |
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| Quadratus lumborum block ( Group C) | Active Comparator | The patient will be in the lateral position. A low-frequency convex probe will be vertically attached above the iliac crest and a needle will be inserted in-plane from the posterior edge of the convex probe through the quadratus lumborum in an anteromedial direction. The needle tip will be placed between the psoas major muscle and the quadratus lumborum muscle. After negative aspiration, 30 mL of 0.5 % of bupivacaine will be injected into the fascial plane incrementally, aspirating every 5 ml. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Group A | Procedure | PENG BLOCK |
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| Group B |
| Measure | Description | Time Frame |
|---|---|---|
| Numerical Rating Scale (NRS) scores | Range 0-10, 0=no pain, 10=the worse pain ever | 48 Hours |
| Measure | Description | Time Frame |
|---|---|---|
| Opioid consumption | Analgesic consumption | 3-6-8-12-24 and 48 hours |
| Static and dynamic pain | Pain intensity at rest and during active movement using a numeric rating score (NRS) 0 = no pain and 10 = worst imaginable painranged from 0 to 10 |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tayfun Et | Karaman | 70200 | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30386022 | Background | Adhikary SD, Short AJ, El-Boghdadly K, Abdelmalak MJ, Chin KJ. Transmuscular quadratus lumborum versus lumbar plexus block for total hip arthroplasty: A retrospective propensity score matched cohort study. J Anaesthesiol Clin Pharmacol. 2018 Jul-Sep;34(3):372-378. doi: 10.4103/joacp.JOACP_335_17. |
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| Procedure |
Intra-articular |
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| Group C | Procedure | Quadratus lumborum block |
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| 3-6-8-12-24 and 48 hours |
| Presence of quadriceps motor block (defined as paralysis or paresis ) | Quadriceps motor function will be tested with the patient supine and with the hip and knee flexed at 45º and 90º, respectively. The subject will be asked to extend the knee first against gravity and then against resistance. Quadriceps strength will be graded according to a 3-point scale: normal strength = 0 point (extension against resistance); paresis = 1 point (extension against gravity but not against resistance); and paralysis = 2 points (no extension). | 3-6-12-24 hours after the block |
| Hip adduction strength | Hip adduction will be evaluated by comparing it to baseline strength (i.e., prior to spinal anesthesia). A blood pressure cuff, inflated at 40 mmHg, will be inserted between the knees of the patient: the latter will then be instructed to squeeze the cuff as hard as possible and to sustain the effort. We will define hip adduction scores of 0, 1 and 2 points as decreases in strength of 0-20%, 21-70% and 71-90% compared to baseline measurement, respectively | 3-6-12-24 hours after the block |
| Presence of postoperative nausea, vomiting, pruritus, urinary retention, respiratory depression | Presence of postoperative nausea, vomiting, pruritus, urinary retention, respiratory depressio | 3-6-12-24 hours after the block |
| Patient satisfaction | Patients asked whether they would choose the same anaesthetic management in a future operation: Yes/No | 48 hours |
| Quality of Recovery (QoR-40) score | QoR-40, a 40-item questionnaire that provides a global score and sub-scores across five dimensions: patient support, comfort, emotions, physical independence, and pain. Each item is rated on a scale of 1-5, providing a minimum score of 40 and maximum of 200. | measurements are obtained at 24 hours, 48 hours, and one week |
| Mobilization time | Mobilization time | 24 hour |