Comparative Evaluation of the Evolution of Arterial and Microcirculatory Endothelial Function in Obese Patients With Type-2 Diabetes Versus Non-diabetic Obese Patients After a First Bariatric Surgery

NAActive, not recruitingINTERVENTIONAL
Enrollment

37

Participants

Timeline

Start Date

October 15, 2019

Primary Completion Date

September 30, 2025

Study Completion Date

September 30, 2025

Conditions
Bariatric SurgeryObeseType2 Diabetes
Interventions
BIOLOGICAL

Vascularly biological assessment

22.5 ml of blood will be collected at day -15, month 3 and month 12.

BIOLOGICAL

Analysis of vasomotor endothelial function

Evaluation of the peripheral endothelial function by digital tonometry using the 'EndoPATTM2000' system \[Itamar Medical Ltd., Caeserea, Israel\] before and after induction of post occlusive reactive hyperemia at day -15, month 3 and month 12.

BIOLOGICAL

Analysis of arterial compliance

Evaluation of the aortic pulse wave velocity in the aortofemoral segment or in the periphery (on the arm-ankle segment) by calculation of central aortic pressure (CAP) using the tonometric system 'Complior ™' \[Alam Medical, France\] at day -15, month 3 and month 12

BIOLOGICAL

Exploration of microcirculation

The microcirculation exploration via analysis of the curves recorded by Laser Doppler at day -15, month 3 and month 12

BIOLOGICAL

Venous Doppler Ultrasound

aneurysm screening at day -15, month 3 and month 12

BIOLOGICAL

Arterial pressure measurement

measurement of the systolic pressure at the toe using the SysToe™ device, and measurement of systolic and diastolic blood pressure using the Dinamap™ device at day -15, month 3 and month 12

BIOLOGICAL

Intima-Media Thickness measurement

Intima-Media Thickness measurement using an ultrasound machine at day -15, month 3 and month 12

BIOLOGICAL

Exploration of neuropathy

non-invasive measurement of sudomotor function by SUDOSCAN at day -15, month 3 and month 12

BEHAVIORAL

level of physical activity

pedometer collecting the number of steps during the four days before visits at day -15, month 3 and month 12

OTHER

thoracic scanner

non-injected thoracic scanner visit at month 3

Trial Locations (1)

30029

CHU Nimes, Nîmes

All Listed Sponsors
lead

Centre Hospitalier Universitaire de Nīmes

OTHER