Metabolic Profile in Severely Obese Women is Less Deteriorated than Expected when Compared to Moderately Obese Women |
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Authors: | Vicky Drapeau Isabelle Lemieux Denis Richard Jean Bergeron Angelo Tremblay Simon Biron Picard Marceau Pascale Mauriège |
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Institution: | (1) Division of Kinesiology, Department of Social and Preventive Medicine, Laval University, Québec, Canada; Laval Hospital Research Center, Québec, Canada;(2) Laval Hospital Research Center, Québec, Canada;(3) Laval Hospital Research Center, Québec, Canada; Departement of Anatomy and Physiology, Laval University, Québec, Canada;(4) Lipid Research Center, CHUL, Québec, Canada;(5) Division of Kinesiology, Department of Social and Preventive Medicine, Laval University, Québec, Canada; Laval Hospital Research Center, Québec, Canada;(6) Department of Surgery, Laval Hospital, Québec, Canada;(7) Department of Surgery, Laval Hospital, Québec, Canada;(8) Division of Kinesiology, Department of Social and Preventive Medicine, Laval University, Québec, Canada; Laval Hospital Research Center, Québec, Canada |
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Abstract: | Background: Obesity is well known to be associated with an increased prevalence of metabolic complications. Severe obesity
is thus expected to have more important alterations of the metabolic profile than moderate obesity. This study aimed to compare
the metabolic profile of pre- and postmenopausal severely obese women with moderately obese women. Methods: First, the metabolic
profile of pre- (n=165) and postmenopausal (n=43) severely obese women (body mass index (BMI) ≥40 kg/m2) was compared to that of pre- (n=52) and postmenopausal (n=35) moderately obese women (BMI of 30-40 kg/m2). Thereafter, pre- and postmenopausal severely obese women were divided into two subgroups according to the presence/absence
of a dysmetabolic profile. We used for comparison, a group of pre- and postmenopausal moderately obese women without a dysmetabolic
profile. Results: The metabolic profile of pre- and postmenopausal severely obese women was less deteriorated than expected
when compared to moderately obese women. Moreover, severely obese women with or without a dysmetabolic profile displayed comparable
or even lower plasma levels of cholesterol, HDL and LDL-cholesterol, and a lower cholesterol/HDL-cholesterol ratio than moderately
obese women (P≤0.05). After menopause, the metabolic profile of severely obese women, dysmetabolic or not, was similar to that of moderately
obese women. Blood pressure was, however, higher in severely obese women compared to moderately obese women, only before menopause
(P≤0.0001). Conclusion: These results indicate that despite their large accumulation of adipose tissue, most of the severely
obese women had a metabolic profile less deteriorated than expected, when compared to moderately obese women. |
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Keywords: | MORBID OBESITY LIPID PROFILE GLYCEMIA FAT ACCUMULATION MENOPAUSE |
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