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The aim of this study is to investigate the efficacy of the Adductor-Canal-Blockade versus the femoral nerve block versus placebo on muscle strength in healthy volunteers. The investigators hypothesize that the Adductor-Canal-Blockade results in a lesser reduction of the quadriceps muscle strength compared to the femoral nerve block.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adductor-Canal-Blockade | Experimental |
| |
| The femoral nerve block | Active Comparator |
| |
| Placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Adductor-Canal-Blockade | Procedure | US-guided Adductor-Canal-blockade with Ropivacaine |
|
| Measure | Description | Time Frame |
|---|---|---|
| the difference in quadriceps muscle strength between the Adductor-Canal-Blockade and placebo | 0-6 hours |
| Measure | Description | Time Frame |
|---|---|---|
| The difference in quadriceps muscle strength between the Adductor-Canal-Blockade and the femoral nerve block | 0-6 hours | |
| The difference in quadriceps muscle strength between the placebo and the femoral nerve block | 0-6 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Pia Jæger, MD | Rigshospitalet, Denmark | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anaesthesia, Centre of Head and Orthopaedics, Copenhagen University Hospital, Rigshospitalet | Copenhagen | 2100 | Denmark |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23241723 | Derived | Jaeger P, Nielsen ZJ, Henningsen MH, Hilsted KL, Mathiesen O, Dahl JB. Adductor canal block versus femoral nerve block and quadriceps strength: a randomized, double-blind, placebo-controlled, crossover study in healthy volunteers. Anesthesiology. 2013 Feb;118(2):409-15. doi: 10.1097/ALN.0b013e318279fa0b. |
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| The femoral nerve block | Procedure | US-guided femoral nerve block with ropivacaine |
|
| Placebo | Procedure | US-guided Adductor-Canal-Blockade/femoral nerve block with saline |
|
| The difference in adductor muscle strength between the groups | 0-6 hours |
| The difference in mobilization between the groups | 0-6 hours |