Internal Carotid Artery Stenosis Clinical Trial
Official title:
Ultrasound-guided Intermediate Cervical Plexus Block for Carotid Endarterectomies
The investigators test with the present study design, whether an ultrasound-guided blockade of the cervical plexus in combination with an additional application of local anesthetic to the superficial cervical ansa (facial nerve: cervical branch) leads to an improved quality of anesthesia.
The innervation of the neck area is complex and includes cranial nerve (innervation of the
vessel wall (IX,X) and of the neck muscles (VII,XI)), as well as the cervical plexus and
brachial plexus. This is a major cause of insufficient anesthesia quality during carotid
endarterectomies.
The investigators test with the present prospective study design, whether an
ultrasound-guided blockade of the cervical plexus in combination with an additional
application of local anesthetic to the superficial cervical ansa (facial nerve: cervical
branch) leads to an improved quality of anesthesia.
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