Wednesday, October 15, 2014

Disease Severity and Staging of Obesity

sharma-edmonton-obesity-staging-systemRegular readers will be well aware of our work on the Edmonton Obesity Staging System (EOSS), that classifies individuals living with obesity based on how “sick” rather than how “big” they are.

For a rather comprehensive review article on the issue of determining the severity of obesity and potentially using this as a guide to treatment, readers may wish to refer to a paper by Whyte and colleagues from the University of Surrey, UK, published in Current Atherosclerosis Reports.

This paper not only nicely summarizes the potential effects of obesity on various organs and organ systems but also discusses the use of staging systems (EOSS and Kings) as a way to better characterize the impact of excess weight on an individual.

As the authors note in their summary,

Using a holistic tool in addition to BMI allows highly informed decision-making and on a societal level helps to identify those most likely to gain and where economic benefit would be maximised.”

Not surprisingly, the Edmonton Obesity Staging System, which has been validated against large data sets as a far better predictor of mortality than BMI, waist circumference or metabolic syndrome, is being increasingly adopted as a practical tool to guide clinical practice.

@DrSharma
Merida, Mexico

ResearchBlogging.orgWhyte MB, Velusamy S, & Aylwin SJ (2014). Disease severity and staging of obesity: a rational approach to patient selection. Current atherosclerosis reports, 16 (11) PMID: 25278281

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Friday, October 3, 2014

Obesity 5As At The Armed Forces

sharma-obesity-canadian-forcesThis morning I am presenting a workshop on the Canadian Obesity Network’s 5As of Obesity Management to members of the Canadian Armed Forces here in Ottawa.

As I discussed in a previous post, members of the Armed Forces are not immune to weight-gain – if anything, the considerable stressors encountered by military personnel make them perhaps even more prone to weight gain than civilians.

And, as for civilians, there are no easy solutions. Once the weight is on, military personnel face the same challenges in losing weight and keeping it off (if indeed their excess weight is affecting their health) as everybody else.

I look forward to an exciting discussion with the medical personnel on base about how best to apply the 5As of Obesity Management in their practice.

@DrSharma
Ottawa, ON

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Monday, September 29, 2014

Does Lean Tissue Have More To Say About Your Health Than Your Body Fat?

Carla Prado, PhD,  Assistant Professor and CAIP Chair in Nutrition, Food and Health, University of Alberta, Edmonton, Canada

Carla Prado, PhD, Assistant Professor and CAIP Chair in Nutrition, Food and Health, University of Alberta, Edmonton, Canada

The common assumption is that people with more body fat are at greater risk for illness and overall mortality.

Surprisingly, an increasingly robust body of evidence now suggests that how much lean tissue you have may be far more important for your health than the amount of body fat.

This evidence as well as the methodologies used to study lean body mass are discusses in a paper by Carla Prado (University of Alberta) and Steve Heymsfield (Pennington Biomedical Research Center), in a paper published in the Journal of Parenteral and Enteral Nutrition.

As the authors point out,

“The emerging use of imaging techniques such as dual energy x-ray absorptiometry, computerized tomography, magnetic resonance imaging, and ultrasound imaging in the clinical setting have highlighted the importance of lean soft tissue (LST) as an independent predictor of morbidity and mortality.

The paper discusses in depth the advantages and limitation of the many methods that can be used to assess body composition in research and clinical settings.

The paper also discusses the current definition and importance of sarcopenic obesity and notes that,

“The identification of different body composition phenotypes suggests that individuals have different metabolism and hence utilization of fuel sources.”

Thus,

“It is clear from emerging studies that body composition health will be vital in treatment decisions, prognostic outcomes, and quality of life in several nonclinical and clinical states.”

My guess is that it will not just be the absolute or relative amount of lean tissue mass that is important. Rather, similar to the increasingly recognised role of differences amongst fat depots, I would assume that different lean soft tissue depots may well play different roles in metabolic health.

@DrSharma
Charlottetown, PEI

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Thursday, August 28, 2014

Call For Abstracts: Canadian Obesity Summit, Toronto, April 28-May 2, 2015

COS2015 toronto callBuilding on the resounding success of Kananaskis, Montreal and Vancouver, the biennial Canadian Obesity Summit is now setting its sights on Toronto.

If you have a professional interest in obesity, it’s your #1 destination for learning, sharing and networking with experts from across Canada around the world.

In 2015, the Canadian Obesity Network (CON-RCO) and the Canadian Association of Bariatric Physicians and Surgeons (CABPS) are combining resources to hold their scientific meetings under one roof.

The 4th Canadian Obesity Summit (#COS2015) will provide the latest information on obesity research, prevention and management to scientists, health care practitioners, policy makers, partner organizations and industry stakeholders working to reduce the social, mental and physical burden of obesity on Canadians.

The COS 2015 program will include plenary presentations, original scientific oral and poster presentations, interactive workshops and a large exhibit hall. Most importantly, COS 2015 will provide ample opportunity for networking and knowledge exchange for anyone with a professional interest in this field.

Abstract submission is now open – click here

Key Dates

  • Abstract submission deadline: October 23, 2014
  • Notification of abstract review: January 8, 2014
  • Early registration deadline: March 5, 2015

For exhibitor and sponsorship information – click here

To join the Canadian Obesity Network – click here

I look forward to seeing you in Toronto next year!

@DrSharma
Montreal, QC

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Wednesday, August 27, 2014

XIX World Congress on Obesity Surgery, Montreal

ifso14 logoFor the rest of this week I will be reporting from the XIX World Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) here in Montreal, Canada.

Although I am not a surgeon, staying up to date on all aspects of bariatric surgery is essential for anyone working in the field of bariatric care – and advances there are.

But I am not just here to listen. This morning, together with my colleague Sean Wharton, I will be presenting a 4 hour masters course on obesity management for allied health professionals and later today, I will be presenting a talk on the use of the Edmonton Obesity Staging System as a better way to determine the risk and prognosis of bariatric patients.

I certainly look forward to an intense week of learning and networking in this wonderful city.

@DrSharma
Montreal, QC

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In The News

Diabetics in most need of bariatric surgery, university study finds

Oct. 18, 2013 – Ottawa Citizen: "Encouraging more men to consider bariatric surgery is also important, since it's the best treatment and can stop diabetic patients from needing insulin, said Dr. Arya Sharma, chair in obesity research and management at the University of Alberta." Read article

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