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This study aims to compare the effect of dual subsartorial block (DSB), adductor canal block (ACB), and femoral nerve block (FNB) for postoperative analgesia in patients undergoing total knee arthroplasty (TKA).
Total knee arthroplasty (TKA) offers increased joint mobility and painless ambulation to patients. Femoral nerve block (FNB) is commonly used to relieve postoperative pain and opioid consumption.
Adductor canal block (ACB) is a common analgesic intervention for postoperative pain control following TKA. The dual subsartorial block (DSB) is a novel procedure-specific and motor-sparing regional analgesia (RA) technique that may reduce overall postoperative opioid consumption when used in conjunction with multimodal analgesia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| DSB group | Experimental | Patients will receive dual subsartorial block (DSB). |
|
| ACB group | Experimental | Patients will receive an adductor canal block (ACB). |
|
| FNB group | Experimental | Patients will receive a femoral nerve block (FNB). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dual subsartorial block | Other | Patients will receive dual subsartorial block (DSB). |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Time to the 1st rescue analgesia | Time to the first request for the rescue analgesia (time from the end of surgery to first dose of morphine administrated). | 24 hours postoperatively |
| Measure | Description | Time Frame |
|---|---|---|
| Intraoperative fentanyl consumption | Additional fentanyl bolus dosages of 1 µg/kg IV will be administered if heart rate or mean arterial blood pressure elevated more than 20% of the baseline (after exclusion of other causes than pain). | Intraoperatively |
| Degree of pain |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tanta University | Tanta | El-Gharbia | 31527 | Egypt |
The data will be available upon a reasonable request from the corresponding author after the end of study for one year.
After the end of study for one year.
The data will be available upon a reasonable request from the corresponding author.
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| Adductor canal block |
| Other |
Patients will receive an adductor canal block (ACB). |
|
| Femoral nerve block | Other | Patients will receive a femoral nerve block (FNB). |
|
Each patient will be instructed about postoperative pain assessment with the visual analog scale (VAS). VAS (0 represents "no pain" while 10 represents "the worst pain imaginable"). VAS will be assessed at PACU, 2, 4, 6, 8, 12, 18 and 24 h postoperatively. |
| 24 hours postoperatively |
| Degree of patient satisfaction | Degree of patient satisfaction will be assessed on a 5-point Likert scale patient satisfaction (1, extremely dissatisfied; 2, unsatisfied; 3, neutral; 4, satisfied; 5, extremely satisfied). | 24 hours postoperatively |
| Incidence of adverse events | Incidence of adverse events such as bradycardia, hypotension, nausea, vomiting, respiratory depression, pruritus, or any other complication. | 24 hours postoperatively |