Popliteal Sciatic Nerve Block: Intraneural or Extraneural?

Blocco Del Nervo Sciatico al Poplite, Intraneurale o Extraneurale? Confronto Prospettico, Randomizzato in Cieco Tra la modalità di Iniezione di Anestetico Locale Per il Blocco Eco Guidato Del Nervo Sciatico al Poplite Nella Chirurgia Dell'Alluce Valgo

Aim of this study is to demonstrate the advantages of intraneural injection over extraneural injection in terms of onset and duration on peripheral block. In addition we will evaluate the frequency of possible adverse effects.

Inclusion Criteria:

• ASA I-II

Exclusion Criteria:

• Neurological diseases
• Diabetes
• Allergies to used drugs
• Chronic pain in treatment
• Electrophysiological alterations at time zero analysis