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This study compares the tow technique of continues adductor canal block for total knee replacement surgery. Half participants will receive catheterization at the entrance of the adductor canal, while the other half will receive catheterization at the middle point of the adductor canal.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| entrance placement of adductor canal catheter | Experimental |
| |
| middle point placement of adductor canal catheter | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ultrasound-guided short-axis placement of catheter at the entrance of the adductor canal | Procedure | Ultrasound probe is placed at the entrance of the adductor canal in short axis ，insertion of a PAJUNK Contiplex S catheter with the tip of the catheter located at the entrance of the canal |
| Measure | Description | Time Frame |
|---|---|---|
| cumulative sulfentanil consumption at 24 hours after surgery | 24 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| the strength of quadriceps femoris | Quadriceps strength was assessed on a 0-5 scale as per the Medical Research Council Scale quadriceps motor strength(0 = no voluntary contraction possible, 1 = muscle flicker, but no movement of limb, 2 = active movement only with gravity eliminated, 3 = movement against gravity but without resistance, 4 = movement possible against some resistance and 5 = normal motor strength against resistance) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking Union Medical College Hospital | Beijing | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33036554 | Derived | Fei Y, Cui X, Chen S, Peng H, Feng B, Qian W, Lin J, Weng X, Huang Y. Continuous block at the proximal end of the adductor canal provides better analgesia compared to that at the middle of the canal after total knee arthroplasty: a randomized, double-blind, controlled trial. BMC Anesthesiol. 2020 Oct 9;20(1):260. doi: 10.1186/s12871-020-01165-w. |
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|
| ultrasound-guided long-axis placement of catheter at the middle of the adductor canal | Procedure | Ultrasound probe is placed at the middle of the adductor canal in long axis with the caphelad end of the probe aligned with the entrance of the canal. insertion of a PAJUNK Contiplex S catheter with the tip of the catheter located at the middle of the canal |
|
| 0,2,4,8,24,48 hours postoperatively |
| The pain scores at rest determined by the numeric rating scale (NRS, 0-10) | 11-point numerical rating scale (NRS; 0, no pain; 10, maximum pain imaginable). | at 0,2,4,8,24,48 hours postoperatively |
| The pain scores on adduction of the keen determined by the numeric rating scale (NRS, 0-10) | 11-point numerical rating scale (NRS; 0, no pain; 10, maximum pain imaginable). | at 0,2,4,8,24,48 hours postoperatively |
| incidence of postoperative nausea and vomiting (PONV) | within 48 hours after surgery |
| Patient satisfaction with anesthesia | Patient satisfaction with anesthesia was assessed using a 5-point scale (5, very satisfied; 4, satisfied; 3, neither satisfied nor dissatisfied; 2, dissatisfied; 1, very dissatisfied) | within 5th day after surgery |
| complications | Record complications including catheter dislodgment, puncture point infection, leakage,falling down,et al. | within 3days after surgery |
| cumulative sulfentanil consumption at other time points after surgery | 2,4,8,48 hours postoperatively |
| ID | Term |
|---|---|
| D000377 | Agnosia |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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