About this trial
In our study, we will find out the efficacy of those peripheral nerve blocks on postoperative pain in knee arthroscopy.
The aim is to evaluate the efficacy of combined ultrasound-guided IPACK with adductor canal nerve block versus ultrasound-guided IPACK with genicular nerves block on postoperative pain in knee arthroscopy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
ASA l & ll
planned to undergo elective unilateral knee surgeries under spinal anesthesia
age between 20 to 70 years old
both sex
Disqualifiers
Patient refusal
Neurological deficiencies prior to surgery
Severe Cardiovascular, renal and hepatic comorbidities
Hematological disorders and abnormal coagulation parameters
Trial design
Parallel
Treatments tested in this trial
IPACK with adductor canal block
Other interventionreceive ultrasound-guided IPACK block in supine position with externally rotated leg and flexed knee, 15 ml of 0.25% plain bupivacaine then another 15 ml of 0.25% plain bupivacaine at the mid-thigh for the ACB.
IPACK with Genicular nerves block
Other interventionreceive ultrasound-guided IPACK block in supine position with externally rotated leg and flexed knee, 15 ml of 0.25% plain bupivacaine then at the anterior surface of the knee 16 ml of 0.25% plain bupivacaine divided on the 4 genicular nerves (superior medial, superior lateral, inferior medial and inferior lateral).
Spinal Block
Other interventionwon't receive any nerve block, only spinal anesthesia. \- Then spinal anesthesia will be given to all patients in the three groups, 3 ml (15 mg) 0.5% hyperbaric bupivacaine will be administered intrathecal at level of L3-4 or L4-5 interspace.
Treatment groups
Trial outcomes
Primary outcomes
first analgesic request
the first time the patient will ask analgesia postoperative
Secondary outcomes
Changes in Visual Analogue Score
measuring pain intensity on a ruler with a score ranging from 0-100 mm (Weigl \& Forstner, 2021). * Dynamic: during the movement of the patient * Static: while the patient is bed ridden. * No pain: 0-4 mm * Mild pain: 5-44 mm * Moderate pain: 45-74 mm * Severe pain: 75-100 mm,
Total analgesic requirement
dose of fentanyl or paracetamol will be used postoperative
Time Up and Go Test (TUG)
* Ask the patient to get up from a chair * Then walk three meters, turn and return back to the chair * Finally, sit on the chair again * We calculate the time spent during the movements of the patient
Sponsors and contacts
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