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Phrenic Nerve Infiltration in Neck Pain
Sponsor: University of Seville
Summary
Neck pain frequently present comorbidities in peridiaphragmatic organs. The innervation of these organs include the phrenic nerve. It is known that peridiaphragmatic organs trigger referred pain in the neck area. As well, previous studies have shown that visceral disorders increase sensitization in somatic tissues. This study aims to analyze the ability of phrenic nerve infiltration to diminish sensitization and improve neck symptoms in the absence of neurological, traumatic or infectious pathology that justifies the pain, by means of a randomized controlled trial.
Official title: Phrenic Afferences In Organic and Metabolic Illness: Central Sensitization
Key Details
Gender
All
Age Range
18 Years - 64 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2022-11-17
Completion Date
2025-07
Last Updated
2024-12-11
Healthy Volunteers
No
Conditions
Interventions
Bupivacaine
The experimental intervention will consist of ultrasound-guided anesthetic blockade of the phrenic nerve at the laterocervical supraclavicular level with 1 ml of lidocaine without vasoconstrictor 2% to infiltrate the skin and 3ml of bupivacaine without vasoconstrictor 0.25% for neural blockade, making the local anesthetic surround the nerve between the anterior scalene muscle and the sternocleidomastoid muscle.
Placebo (physiological saline serum infiltration)
The placebo intervention will be similar in relation to 2% lidocaine without vasoconstrictor for the skin, but an ultrasound-guided puncture will be performed at the level of the subcutaneous cellular tissue by injecting 3 ml of physiological saline.
Locations (2)
Nacho Navarro Fisioterapia
Dos Hermanas, Seville, Spain
Crux Roxa
Seville, Spain