Tiny incision, big relief? ultrasound procedure challenges carpal tunnel surgery

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patient, male or female, over 18 years of age * Patient with clinical carpal tunnel syndrome * Patient with unilateral or bilateral carpal tunnel syndrome. In the case of bilateral involvement, the more symptomatic hand (with the highest Boston score) will be included, with the patient agreeing that the second hand will not be operated on within one year. * Patient with carpal tunnel syndrome confirmed by an EMG less than 6 months old * Patient with carpal tunnel syndrome without motor or sensory deficits * Patient with carpal tunnel syndrome resistant to conservative treatment, including at least one corticosteroid injection * Patient agreeing to undergo surgery * Patient affiliated with or covered by a social security plan * Patient who has been informed and has signed a free and informed written consent. Exclusion Criteria: * Patient with another condition of the hand or wrist (Dupuytren's disease, inflammatory rheumatism, symptomatic osteoarthritis) * Patient with a history of previous hand or wrist surgery requiring treatment * Neurological sequelae of the hand * Patient with non-medicinal hypocoagulation or vitamin K antagonist overdose * Patient with a known allergy to lidocaine * Patient with an unhealed palmo-digital wound * Patient with a superficial or deep palmo-digital infection or inflammation * Patient who has received a cortisone injection in the hand or wrist within the last month. - Patient with type 1 diabetes or poorly controlled diabetes (HbA1c \>7.5% for less than 3 months) * Patient with cognitive impairment deemed incompatible with the research by the investigator * Patient with a language barrier preventing a reliable assessment * Patient participating in another clinical trial * Protected patient: adult under guardianship, curatorship, or other legal protection, deprived of liberty by judicial or administrative decision * Pregnant, breastfeeding, or postpartum woman