Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?

Aim: To determine whether basal metabolic rate (BMR) was causally related to MetS, and to study the role of gender in this relationship. Methods: Seventy-two Caucasian subjects (43 women, 29 men) had changes in basal metabolic rate (BMR), carbohydrate oxidation rate (COR), fat oxidation rate (FOR) a...

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Main Authors: Soares, Mario, Cummings, Nicola, Chan She Ping-Delfos, Wendy
Format: Journal Article
Published: WB Saunders Co. 2011
Online Access:http://hdl.handle.net/20.500.11937/11417
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author Soares, Mario
Cummings, Nicola
Chan She Ping-Delfos, Wendy
author_facet Soares, Mario
Cummings, Nicola
Chan She Ping-Delfos, Wendy
author_sort Soares, Mario
building Curtin Institutional Repository
collection Online Access
description Aim: To determine whether basal metabolic rate (BMR) was causally related to MetS, and to study the role of gender in this relationship. Methods: Seventy-two Caucasian subjects (43 women, 29 men) had changes in basal metabolic rate (BMR), carbohydrate oxidation rate (COR), fat oxidation rate (FOR) and prevalence of the metabolic syndrome (MetS) assessed in response to weight loss. Results: There was a significant gender × MetS interaction in BMR at the start. Women with MetS had higher adjusted BMR, whilst men with MetS had lower adjusted BMR than their respective counterparts. Weight loss resulted in a significant decrease in fat mass (−5.2 ± 0.31 kg, p = 0.001), fat free mass (−2.3 ± 0.27 kg, p = 0.001), BMR (−549 ± 58 kJ/d, p = 0.001) and a decreased proportion of MetS (22/72, χ2 = 0.005). Subjects who recovered from MetS after weight loss (RMS) had ~250 kJ/d significantly lower adjusted BMR compared to those who were never MetS (NMS, p = 0.046) and those who still had MetS (MetS+, p = 0.047). Regression analysis showed that change (Δ) in BMR was best determined by Δglucose × gender interaction (r2 = 23%), ΔFOR (r2 = 20.3%), ΔCOR (r2 = 19.4%) and Δtriglycerides (r2 = 7.8%). Conclusions: There is a sexual dimorphism of BMR in MetS. Overall, the data support the notion that alterations in BMR may be central to the etiopathogenesis of MetS.
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spelling curtin-20.500.11937-114172017-09-13T16:07:59Z Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss? Soares, Mario Cummings, Nicola Chan She Ping-Delfos, Wendy Aim: To determine whether basal metabolic rate (BMR) was causally related to MetS, and to study the role of gender in this relationship. Methods: Seventy-two Caucasian subjects (43 women, 29 men) had changes in basal metabolic rate (BMR), carbohydrate oxidation rate (COR), fat oxidation rate (FOR) and prevalence of the metabolic syndrome (MetS) assessed in response to weight loss. Results: There was a significant gender × MetS interaction in BMR at the start. Women with MetS had higher adjusted BMR, whilst men with MetS had lower adjusted BMR than their respective counterparts. Weight loss resulted in a significant decrease in fat mass (−5.2 ± 0.31 kg, p = 0.001), fat free mass (−2.3 ± 0.27 kg, p = 0.001), BMR (−549 ± 58 kJ/d, p = 0.001) and a decreased proportion of MetS (22/72, χ2 = 0.005). Subjects who recovered from MetS after weight loss (RMS) had ~250 kJ/d significantly lower adjusted BMR compared to those who were never MetS (NMS, p = 0.046) and those who still had MetS (MetS+, p = 0.047). Regression analysis showed that change (Δ) in BMR was best determined by Δglucose × gender interaction (r2 = 23%), ΔFOR (r2 = 20.3%), ΔCOR (r2 = 19.4%) and Δtriglycerides (r2 = 7.8%). Conclusions: There is a sexual dimorphism of BMR in MetS. Overall, the data support the notion that alterations in BMR may be central to the etiopathogenesis of MetS. 2011 Journal Article http://hdl.handle.net/20.500.11937/11417 10.1016/j.dsx.2012.03.003 WB Saunders Co. restricted
spellingShingle Soares, Mario
Cummings, Nicola
Chan She Ping-Delfos, Wendy
Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title_full Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title_fullStr Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title_full_unstemmed Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title_short Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?
title_sort energy metabolism and the metabolic syndrome: does a lower basal metabolic rate signal recovery following weight loss?
url http://hdl.handle.net/20.500.11937/11417