None listed
Conditions
Brief summary
Perpheral nerve blocks are known to induce many changes in the local circulation such as vasodilation. We use the ultrasound-doppler to show and quantify the variations of the regional hemodynamics of the upper arm after an infraclavicular brachial plexus block.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
Patients requiring hemodialysis and scheuled to elective confection of humeral-cephalic arteriovenous fistula under regional anaesthesia
Exclusion criteria
1. Patient refusal 2. Allergy to local anesthetics 3. Existing neurological disorders, neuropathy of the operative extremity 4. Infection at site of needle puncture 5. Coagulation disorders