Spinal Anesthesia Versus Combined Sciatic-femoral Nerve Block for Outpatient Knee Arthroscopy
Overview
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
Full Title of Study: “Spinale Unilaterale o Blocco Nervoso Periferico Per le Artroscopie di Ginocchio in Day Surgery. Confronto Prospettico Randomizzato”
Study Type
- Study Type: Interventional
- Study Design
- Allocation: Randomized
- Intervention Model: Parallel Assignment
- Primary Purpose: Treatment
- Masking: Single (Investigator)
- Study Primary Completion Date: May 2015
Detailed Description
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.
Interventions
- Drug: prilocaine
- Drug: mepivacaine
- Procedure: Sciatic-femoral Nerve Block
- ultrasound-guided 25 ml 2% mepivacaine injection on both femoral and sciatic nerve
- Procedure: Spinal anesthesia
- intrathecal injection of 40 mg hyperbaric prilocaine
- Device: Sonoplex, Pajunk
Arms, Groups and Cohorts
- Experimental: Spinal anesthesia
- 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).
- Active Comparator: peripheral nerve block
- 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)
Clinical Trial Outcome Measures
Primary Measures
- Time to home discharge
- Time Frame: 12 hours
Participating in This Clinical Trial
Inclusion Criteria
- outpatients knee arthroscopy Exclusion Criteria:
- diabetes – allergy to local anesthetic – patient refusal – chronic opiods assumption
Gender Eligibility: All
Minimum Age: 18 Years
Maximum Age: N/A
Are Healthy Volunteers Accepted: No
Investigator Details
- Lead Sponsor
- ASST Gaetano Pini-CTO
- Provider of Information About this Clinical Study
- Principal Investigator: Gianluca Cappelleri, Medical Doctor – ASST Gaetano Pini-CTO
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