The Franciscus Obesity NASH Study

Evaluate liver steatosis and elasticity using transient elastography in the FONS group

Evaluate cardiac dysfunction in 60 patients from the FONS group with transthoracic echocardiography

For participants from the FONS group with an elevated liver fibrosis measurement (≥F2) with TE, a laparoscopic liver biopsy will be performed during the bariatric procedure.