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Impact of 6-month Caloric Restriction on Autonomic Nervous System Activity in Healthy, Overweight, Individuals

Caloric restriction (CR) increases maximum lifespan but the mechanisms are unclear. Dominance of the sympathetic nervous system (SNS) over the parasympathetic nervous system (PNS) has been shown to be a strong risk factor for cardiovascular disease. Obesity and aging are associated with increased SN... Full description

Journal Title: Obesity 2010, Vol.18(2), pp.414-416
Main Author: De Jonge , Lilian
Other Authors: Moreira , Emilia A.M. , Martin , Corby K. , Ravussin , Eric
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1930-7381
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recordid: faoagrisUS201600076092
title: Impact of 6-month Caloric Restriction on Autonomic Nervous System Activity in Healthy, Overweight, Individuals
format: Article
creator:
  • De Jonge , Lilian
  • Moreira , Emilia A.M.
  • Martin , Corby K.
  • Ravussin , Eric
subjects:
  • Sympathetic Nervous System
  • Long Term Effects
  • Weight Loss
  • Cardiovascular Diseases
  • Obesity
  • Exercise
  • Spectral Analysis
  • Fasting
  • Parasympathetic Nervous System
  • Low Calorie Diet
  • Energy Intake
  • Heart Rate
  • Weight Control
  • Energy Expenditure
  • Longevity
  • Risk Factors
ispartof: Obesity, 2010, Vol.18(2), pp.414-416
description: Caloric restriction (CR) increases maximum lifespan but the mechanisms are unclear. Dominance of the sympathetic nervous system (SNS) over the parasympathetic nervous system (PNS) has been shown to be a strong risk factor for cardiovascular disease. Obesity and aging are associated with increased SNS activity, and weight loss and/or exercise seem to have positive effects on this balance. We therefore evaluated the effect of different approaches of CR on autonomic function in 28 overweight individuals participating in the Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) trial. Participants were randomized to either control, CR: 25% decrease in energy intake, CREX: 12.5% CR + 12.5% increase in energy expenditure, or LCD: low-calorie diet until 15% weight reduction followed by weight maintenance. Autonomic function was assessed by spectral analysis of heart-rate variability (HRV) while fasting and after a meal. Measurements were performed at baseline and 6 months. HR and SNS index decreased and PNS index increased in all intervention groups but reached significance only in CREX. HR and SNS index increased and PNS index decreased in response to the meal in all intervention groups. The results therefore suggest that weight loss improved SNS/PNS balance especially when CR is combined with exercise. ; p. 414-416.
language: eng
source:
identifier: ISSN: 1930-7381
fulltext: fulltext
issn:
  • 19307381
  • 1930-7381
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titleImpact of 6-month Caloric Restriction on Autonomic Nervous System Activity in Healthy, Overweight, Individuals
creatorDe Jonge , Lilian ; Moreira , Emilia A.M. ; Martin , Corby K. ; Ravussin , Eric
ispartofObesity, 2010, Vol.18(2), pp.414-416
identifierISSN: 1930-7381
subjectSympathetic Nervous System ; Long Term Effects ; Weight Loss ; Cardiovascular Diseases ; Obesity ; Exercise ; Spectral Analysis ; Fasting ; Parasympathetic Nervous System ; Low Calorie Diet ; Energy Intake ; Heart Rate ; Weight Control ; Energy Expenditure ; Longevity ; Risk Factors
descriptionCaloric restriction (CR) increases maximum lifespan but the mechanisms are unclear. Dominance of the sympathetic nervous system (SNS) over the parasympathetic nervous system (PNS) has been shown to be a strong risk factor for cardiovascular disease. Obesity and aging are associated with increased SNS activity, and weight loss and/or exercise seem to have positive effects on this balance. We therefore evaluated the effect of different approaches of CR on autonomic function in 28 overweight individuals participating in the Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) trial. Participants were randomized to either control, CR: 25% decrease in energy intake, CREX: 12.5% CR + 12.5% increase in energy expenditure, or LCD: low-calorie diet until 15% weight reduction followed by weight maintenance. Autonomic function was assessed by spectral analysis of heart-rate variability (HRV) while fasting and after a meal. Measurements were performed at baseline and 6 months. HR and SNS index decreased and PNS index increased in all intervention groups but reached significance only in CREX. HR and SNS index increased and PNS index decreased in response to the meal in all intervention groups. The results therefore suggest that weight loss improved SNS/PNS balance especially when CR is combined with exercise. ; p. 414-416.
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descriptionCaloric restriction (CR) increases maximum lifespan but the mechanisms are unclear. Dominance of the sympathetic nervous system (SNS) over the parasympathetic nervous system (PNS) has been shown to be a strong risk factor for cardiovascular disease. Obesity and aging are associated with increased SNS activity, and weight loss and/or exercise seem to have positive effects on this balance. We therefore evaluated the effect of different approaches of CR on autonomic function in 28 overweight individuals participating in the Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) trial. Participants were randomized to either control, CR: 25% decrease in energy intake, CREX: 12.5% CR + 12.5% increase in energy expenditure, or LCD: low-calorie diet until 15% weight reduction followed by weight maintenance. Autonomic function was assessed by spectral analysis of heart-rate variability (HRV) while fasting and after a meal. Measurements were performed at baseline and 6 months. HR and SNS index decreased and PNS index increased in all intervention groups but reached significance only in CREX. HR and SNS index increased and PNS index decreased in response to the meal in all intervention groups. The results therefore suggest that weight loss improved SNS/PNS balance especially when CR is combined with exercise. ; p. 414-416.
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abstractCaloric restriction (CR) increases maximum lifespan but the mechanisms are unclear. Dominance of the sympathetic nervous system (SNS) over the parasympathetic nervous system (PNS) has been shown to be a strong risk factor for cardiovascular disease. Obesity and aging are associated with increased SNS activity, and weight loss and/or exercise seem to have positive effects on this balance. We therefore evaluated the effect of different approaches of CR on autonomic function in 28 overweight individuals participating in the Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE) trial. Participants were randomized to either control, CR: 25% decrease in energy intake, CREX: 12.5% CR + 12.5% increase in energy expenditure, or LCD: low-calorie diet until 15% weight reduction followed by weight maintenance. Autonomic function was assessed by spectral analysis of heart-rate variability (HRV) while fasting and after a meal. Measurements were performed at baseline and 6 months. HR and SNS index decreased and PNS index increased in all intervention groups but reached significance only in CREX. HR and SNS index increased and PNS index decreased in response to the meal in all intervention groups. The results therefore suggest that weight loss improved SNS/PNS balance especially when CR is combined with exercise.
doi10.1038/oby.2009.408
eissn1930739X