Inclusion Criteria:  Inclusion criteria for the Integrated group (SPOC)  Patient, male or female, at least 18 years old; Patient undergoing bariatric surgery after the implementation of the integrated pathway (date depending on the deployment of the integrated pathway); Patient informed and not objecting to this research; Subject affiliated to or benefiting from a social security program.  Inclusion criteria for the control group  Patient, male or female, at least 18 years old; Patient undergoing bariatric surgery before the implementation of the integrated pathway (date depending on the deployment of the integrated pathway); Patient informed and not objecting to this research; Subject affiliated to or benefiting from a social security program.  Exclusion Criteria:  • Protected patient : adult under tutorship, curatorship or other legal protection, deprived of his freedom by judiciary or administrative decision;  Patient hospitalised without consent