BIO-2-HEART: Identification of Biomarkers in T2DM and Heart Failure

"The 6-minute walk test is a functional test established in the clinic to assess the performance of a patient. The patient walks continuously for 6 minutes without interruption as far as possible. Breaks, speed changes and running are allowed.~Test is performed prior the intervention and 6 months after the intervention."

"Study specific questionnaire~The questionnaire is performed prior and 6 months after the intervention."

"Blood collection during surgery:~* coronary sinus~* arterial~* peripheral venous~Blood collection 6 months after surgery:~\- peripheral venous"