Effect of Roux-en-Y Gastric Bypass on Lipoprotein Metabolism and Markers of HDL Functionality in Morbid Obese Patients
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ORIGINAL CONTRIBUTIONS
Effect of Roux-en-Y Gastric Bypass on Lipoprotein Metabolism and Markers of HDL Functionality in Morbid Obese Patients Ezequiel Lozano Chiappe 1 & Maximiliano Martin 1 & Andrea Iglesias Molli 2 & Andrea Millan 2 & Walter Tetzlaff 1 & Eliana Botta 1 & Florencia Ferraro 1 & Maria S. Sáez 3 & Maria V. Lorenzon Gonzalez 3 & Laura Boero 1 & Patricia Sorroche 3 & Axel Beskow 4 & Mercedes Gutierrez 4 & Gloria Cerrone 2 & Susana Gutt 4 & Gustavo Frechtel 2 & Fernando Brites 1 Received: 30 June 2020 / Revised: 15 October 2020 / Accepted: 21 October 2020 # Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Purpose Morbid obesity represents the most severe form of obesity and surgical intervention would be its only successful treatment. Bariatric surgery could generate modifications in carbohydrate metabolism and in lipid profile plus lipoproteinassociated proteins and enzymes, such as lipoprotein-associated phoslipase A2 (Lp-PLA2), cholesteryl ester transfer protein (CETP), and paraoxonase (PON) 1. The aim of the present study was to analyze changes in inflammation markers, carbohydrate metabolism, and lipid parameters in patients who underwent bariatric surgery. Methods Thirty-seven patients with morbid obesity were recruited. Evaluations were performed before (T0) and 1 (T1) and 6 (T2) months after surgery. Glucose, insulin, high-sensitivity C-reactive protein (hsCRP), triglycerides, total cholesterol, highdensity lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol, apolipoproteins (apo) A-I, and B plus Interleukin 1β and 6 levels in addition to CETP, Lp-PLA2, and PON 1 activities were determined. Results Body mass index decreased at T1 and T2 (p < 0.01). An improvement in all markers of insulin resistance (p < 0.05) was observed at T1. hsCRP levels diminished at T2 (p < 0.05). Triglyceride levels decreased at T1 and T2 (p < 0.05). HDL-C and apo A-I showed a decrease at T1 which was completely reversed at T2 (p < 0.05). Lp-PLA2 activity increased at T1, which was reversed at T2 (p < 0.05), and CETP activity was diminished at T2 (p < 0.05). PON and ARE activities decreased at T1 and partially recovered at T2 (p < 0.05). Conclusions These results would be indicative of a favorable effect of bariatric surgery on markers of carbohydrate metabolism and cardiovascular disease lipid risk factors. Keywords Obesity . Bariatric surgery . HDL . Atherosclerosis
Ezequiel Lozano Chiappe and Maximiliano Martin contributed equally to this work. * Maximiliano Martin [email protected] 1
Laboratorio de Lipidos y Aterosclerosis, Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Av. Córdoba 2351, C1120 Buenos Aires, Argentina
2
Laboratorio de Genetica, Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Av. Córdoba 2351, C1120 Buenos Aires, Argentina
3
Laboratorio Central, Hospital italiano de Buenos Aires, Pres. Tte. Gral. Juan Domingo Perón 4190, C1199 ABH Buenos Aires, Argentina
4
Servicio de Clinica Médica, Sección Nutrición, Hospita
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