Experimental Group |
Transmuscular Quadratus lumborum TQL block |
0.5 ml/kg of 0.25% bupivacaine |
single injection after induction of general anesthesia |
The participant will be placed in the lateral position with the side to be operated upon directed upward, then after sterilization of the area of the hip joint with chlorhexidine 0.5% in ethanol 82%, a high-frequency linear ultrasound probe (5-13 MHz) (FUJIFILM SonoSite, Bothell, Washington, USA) will be covered with a sterile cover and placed on the anterior iliac crest. The Petit’s triangle (formed of the iliac crest inferiorly and the borders of external abdominal oblique anteriorly and latissimus dorsi (LD) posteriorly) will be identified and then Tracing dorsally from Petit's triangle, the external oblique, and the internal oblique are seen disappearing into an aponeurosis as the QL appears beneath the LD (anteriorly), and going farther dorsally, the shamrock appearance of the QL, erector spinae, and psoas major muscles (the 3 leaves) around the transverse process of lumbar vertebra L4 (as the stem) are seen. A 22-gauge Quincke-type Sono-Plex needle (Pajunk, Geisingen, Germany) will be inserted using an in-plane technique along the posterior edge of the probe in the anteromedial direction. The needle tip will be placed between the QL muscle and the PM muscle. After confirming the correct position of the needle by injecting 2 ml of normal saline with a hydro-dissection image, 0.5 ml/kg of 0.25% bupivacaine will be injected. The injected local anesthetic bolus then will be seen pushing the PM away from the QL |
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Experimental Group |
Pericapsular Nerve Group PENG block |
0.5 ml/kg of 0.25% bupivacaine |
single injection after induction of general anesthesia |
The regional block will be performed with the participant in the supine position. A linear high-frequency ultrasound probe (5–13MHz) was initially placed in a transverse plane over the anterior inferior iliac spine (AIIS) and then aligned with the pubic ramus by rotating the probe counter clockwise approximately 45 degrees; In this view, the ilio-pubic eminence (IPE), the iliopsoas muscle and tendon, the 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 tip in the musculofascial plane between the psoas tendon anteriorly and the pubic ramus posteriorly. Following negative aspiration, the local anesthetic solution of 0.25% bupivacaine will be injected in 5-mL increments while observing for an adequate fluid spread in this plane for a total volume of 0.5 ml/kg |
20 |
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