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The aim of the study is to compare the time of home discharge in day-case patients receiving either a spinal anesthesia or a combined sciatic-femoral nerve block for knee arthroscopy
Two groups: the first receive a spinal anesthesia injecting 2% hyperbaric prilocaine 40 mg with the patients in lateral decubitus and the surgical limb declive, the second a combined ultrasound-guided sciatic-femoral nerve block injecting 25 ml of 2% mepivacaine solution.
Onset time, performance time, duration of the block, time of voiding, as well as the time of home discharge will be evaluated.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Spinal anesthesia | Experimental | Intrathecal injection of 2 ml (40 mg) of 2% hyperbaric prilocaine at L3-L4 interspaces through a 100mm Sprotte 25 G spinal needle (Pencan, b-brawn, Germay) in lateral decubitus position, (with limb to operate declive). |
|
| peripheral nerve block | Active Comparator | Ultrasound-guided sciatic-femoral nerve block injecting 25 ml of a 2% mepivacaine solution,15 ml on femoral nerve and 10 ml on sciatic nerve through a 80 mm 22g eco-reflex needle (Sonoplex, Pajunk, Germany) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| prilocaine | Drug |
|
| |
| mepivacaine |
| Measure | Description | Time Frame |
|---|---|---|
| Time to home discharge | 12 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Istituto Ortopedico G. Pini | Milan | Milano | 20122 | Italy |
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| ID | Term |
|---|---|
| D011318 | Prilocaine |
| D008619 | Mepivacaine |
| D000775 | Anesthesia, Spinal |
| ID | Term |
|---|---|
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
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| Drug |
|
|
| Sciatic-femoral Nerve Block | Procedure | ultrasound-guided 25 ml 2% mepivacaine injection on both femoral and sciatic nerve |
|
| Spinal anesthesia | Procedure | intrathecal injection of 40 mg hyperbaric prilocaine |
|
| Sonoplex, Pajunk | Device |
|
| D000588 |
| Amines |
| D010880 | Piperidines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D000765 | Anesthesia, Conduction |
| D000758 | Anesthesia |
| D000760 | Anesthesia and Analgesia |