Evaluation of Left Ventricular Circumferential Contraction Functions in Obese Patients

Abstract

In obese patients without CAD, it was clearly said that while LVLCA were evident, LV circumferential contraction abnormalities were not. This differentiation may be explained by subepicardial myocardial fiber that is responsible for LV circumferential contractions is supplied by coronary arteries, subendocardial myocardial fiber that is responsible for LV longitudinal contractions, is supplied by systemic circulation via LV cavity penetration.

Impact of Obesity on Left Ventricular Geometry and Function in Pediatric Patients after Successful Aortic Coarctation Repair

“…17 Thus, these obesity-associated abnormalities may be the expression of myocardial fibrosis, as suggested in previous studies. [18][19][20][21] Of interest, obesity in CoA patients was also associated with a reduced LV twist compared with lean CoA patients in our study. This finding is in agreement with previous studies on LV torsion and obesity.…”

“…Strain parameters have been demonstrated to be less load dependent than LV ejection fraction or standard LV diastolic parameters 17 . Thus, these obesity‐associated abnormalities may be the expression of myocardial fibrosis, as suggested in previous studies 18–21 …”