Comparison of the Effects of Two Concentrations of Adrenaline (0.33 mg/l vs 1 mg/l) in the Irrigation Serum of Arthroscopic Shoulder Surgery

Inclusion Criteria:

• Patient over 18 years of age, having read and signed the consent form forparticipation in the study after a reflection period (approximately 15 minutes)

• Patient with a rotator cuff pathology (subacromial impingement, long bicepstendinopathy or rotator cuff tendinopathy)

• Patient for whom an arthroscopic surgical indication has been given

Exclusion Criteria:

• Allergy to epinephrine

• History of Takotsubo cardiomyopathy

• Coagulation disorder

• Patient under court protection, guardianship or curatorship

• Patient not affiliated to the French social security system

• Patient participating in another therapeutic protocol

• Breastfeeding woman,

• Pregnant woman or woman of childbearing age without highly effective contraceptionfor the duration of the study (surgically sterile, intrauterine device (> 14 days),hormonal contraception (same dose and formulation for at least 6 months), sexualabstinence. Women of childbearing age, i.e. fertile, are considered to bepost-menopausal unless they are permanently infertile or have undergone surgicalsterilisation. A post-menopausal condition is defined as the absence of menstruationfor 12 months without any other medical cause

• Patient unable to understand informed information and/or give written informedconsent: dementia, psychosis, disturbed consciousness, non-French speaking patient