C2-C4 compartment block compared to the Costaiola block, in the control of persistent postoperative pain (somatic and neuropathic) in patients undergoing carotid thromboendarterectomy
A comparative analysis will assess the somatic pain (scores ≥4 on the NRS scale) and neurapathic pain (by the Lindblom roller and Von Frei hair tests) between group A (block group of the C2-C4 compartment ) and the control group B (block group according to Costagliola), during the 3 months after surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
100
C2-C4 compartment anesthetic block is performed by injecting levobupivacaine 0.375% 20 mL between the posterior face of the middle scalenus muscle, the anterior face of the posterior scalene muscle and the lower plane of the sternoscleidomastoid muscle.
Costagliola block is performed by injected by injecting levobupivacaine 0.375% 20 mL along the anterior and the posterior border of sternocleidomastoid muscle
SS Filippo and Nicola Academic Hospital of Avezzano
Avezzano, L'Aquila, Italy
somatic pain
Somatic pain assessed by Numeric Pain Rating Scale for pain (the 11-point numeric scale ranges from '0' representing "no pain" to '10' representing the "worst pain imaginable"
Time frame: 3 mounths after surgery
Opiates request
Request of opiates, assessed in mg of equianalgesic dose of morphine after 3 mouths from surgery
Time frame: 3 mounths after surgery
Pregabalin request
Pregabalin request in mg, 3 months after surgery
Time frame: 3 months
Neuropathic pain
Presence of neuropathic disturbances, assessed with von Frey hair test and Lindblom test
Time frame: 3 months
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