This study aims to analyze the effect of Pericapsular Nerve Group (PENG) Block combined with lateral femoral cutaneous nerve block vs. PENG block combined with wound infiltration for analgesia after elective hip replacement performed with a posters-lateral approach. Half of participants will receive a PENG Block combined with femoral lateral cutaneous nerve block, while the other half will receive PENG Block combined with wound infiltration
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
50
At the end of surgery, in Post Anesthesia Recovery Room (PACU), PENG block with 20 mL of 0.5 % Ropivacaine will be executed as described by Giron-Arango et al. using a low frequency curvilinear probe. A 22G 80 mm needle (Stimuplex Ultra 360, B.Braun) will be used.
At the end of surgery, in Post Anesthesia Recovery Room (PACU), ultrasound guided Lateral Femoral Cutaneous Nerve Block will be performed with 10 mL of 0.5 % Ropivacaine using a high frequency linear probe. A 22G 50 mm needle (Stimuplex Ultra 360, B.Braun) will be used.
At the end of operation, the surgeon will perform wound infiltration with 20 mL of 0.5 % Ropivacaine.
Campus Bio-medico University Hospital Foundation
Rome, Italy
Static Pain Score
A numerical rating scale (NRS) from 0 (no pain) to 10 (worst imaginable pain) will be used to evaluate pain at rest during 24 hours after surgery
Time frame: 24 hours
Dynamic Pain Score
A numerical rating scale (NRS) from 0 (no pain) to 10 (worst imaginable pain) will be used to evaluate pain on movement during 24 hours after surgery
Time frame: 24 hours
Morphine consumption
Total of intravenous morphine (expressed in milligrams) administered during the first 24 hours after surgery
Time frame: 24 hours
Morphine consumption
Total of intravenous morphine (expressed in milligrams) administered during the entire hospitalization
Time frame: 6 days
Range of hip motion
Degrees of hip flexion
Time frame: 24 hours
Quadriceps Strength
Ability to flex the knee against gravity
Time frame: 24 hours
Ability to start physiotherapy during the first postoperative day
YES: the patient was able to start physiotherapy NO: the patient was not able to start physiotherapy during the first postoperative day due to pain or motor block
Time frame: 24 hours
Ability to ambulate with the help of a walker during the first postoperative day
YES: The patient was able to ambulate with the help of a walker NO: The patient was not able to ambulate with the help of a walker due to pain or motor block
Time frame: 24 hours
Incidence of block complications
Any complications or side effects of the blocks, such as local infection, intravascular injection of local anesthetics and immediate systemic toxicity. Moreover, incidence of nausea, vomiting and postoperative respiratory depression will be recorded
Time frame: 24 hours
Hospital Length of Stay
Total Hospital length of Stay (expressed in days)
Time frame: 6 days
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