Interest of Prior Relaxation on the Recordings of the SomatoSensory Evoked Potentials

Recruiting now · Not applicable

Conditions studied: Relaxation, Somatosensory Evoked Potentials, Patient Experience

In brief

Many factors influence the quality and duration of SomatoSensory Evoked potentials (SSEP). Some are related to the technique : type of electrodes, intensity of stimulation, stimulation site ; others are related to the patient : poor state of relaxation of the patient generating muscle artefacts; hypersensitivity of the patient to electrical stimuli making the examination unpleasant; examination time considered too long. However, the patient's relaxed state is essential to the quality of the signal . Thus the duration of an examination is very variable : between 30 and 75 minutes for the upper limbs.... For several months, the investigators provide relaxation to some patients just before the examination. Results seem to be positive. The investigators aim to study the effect of relaxation session on the quality of the SSEP recordings. Fifteen-minutes relaxation session will be provided by a nurse trained to the relaxation. The investigators will compare two groups : one group with one relaxation session before the examination and one group without relaxation session before the examination. The investigators chose to study the influence of relaxation session on (i) the artifacts rejection rate by the machine for the recordings of SSEP by stimulation of the median nerve to the upper limbs (ii) the duration of the examination (iii) the patient experience

Key facts

Study ID

NCT05546307

Run by

Centre Hospitalier Universitaire, Amiens

People needed

242

Starts

2022-09-15

Expected to finish

2025-07-01

Last updated by the study team

2025-06-04

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Any patient addressed for a study of the somatosensory evoked potentials in upper limbs
• Patients between 18 to 70 years old.
• Patients able to understand the instructions of the relaxation session and the examination.
• Patient providing informed consent exclusion criteria

You may not qualify if…

• No availability of a technician trained in relaxation
• Patient's refusal to participate in the protocol

Where it is running

• Amiens University Hospital — Amiens, Picardie, France (enrolling)

Full record on ClinicalTrials.gov

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