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Rivista di Medicina Interna
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,6
Panminerva Medica 2000 Giugno;42(2):123-9
Effects of a short-term hypoenergetic diet on morphofunctional left ventricular parameters in centrally obese subjects. An echocardiographic study
Corrao S., Arnone S., Scaglione R., Amato V., Amico G., Licata A., Licata G.
From the Institute of Internal Medicine University of Palermo, Palermo, Italy
Background. We aimed to study centrally obese subjects without other diseases, to establish whether a short-term hypoenergetic balanced regimen is able to positively modify left ventricular (LV) patterns.
Methods. We studied 32 obese subjects (out of 52 recruited for this study) with central fat distribution and without associated diseases. Each subject had undergone a moderately hypoenergetic diet for a four-month follow-up period and had a regular loss in weight. Some relevant clinical and echocardiographic parameters were evaluated. Baseline data and those evaluated at the end of the follow-up period were used for outcome analysis.
Results. We found a considerable reduction in LV mass and other LV structural parameters including relative wall thickness (RWT). Moreover, we found an improvement of both LV ejection fraction and filling parameters. As regards the relation ship between parameter changes, LV mass was correlated to LV internal diameter and mainly to LV wall thickness. LV mass change was also correlated to a reduction of diastolic BP and RWT. Only improvements in LV filling were correlated to WHR reduction. None of the changes in cardiac variables resulted significantly correlated to BMI change. Other interesting correlations are reported in the text.
Conclusions. Our study points out that improvements in LV structure and function are rapidly possible with a moderately hypoenergetic regimen in obese otherwise healthy subjects. The main changes were those in LV wall thickness even if a more complex cardiovascular adjustment was recognised. All this could be very important to possibly prevent future cardiovascular events (including heart failure), so largely linked to obesity of central type.