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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Monday, August 11, 2014

Open-Angle Keyboard Eases Typing Trauma for People Living With Obesity

goldtouch-ergonomic-keyboardThe ergonomics of standard QUERTY keyboards are bad enough for people of regular size – for larger people, the strain on the upper body is even worse resulting in significant upper-body muskuloskeletal discomfort and even injury.

Now a study by Matthew Smith and colleagues from the University of Georgia, published in Applied Ergonomics provides good evidence for the value of providing people with obesity ergonomically improved open-angle keyboards.

The researchers studied the use of these key boards in 22 office workers with overweight or obesity and found a significant decrease in lower back discomfort with no changes in overall typing performance.

The specific open-angle keyboards used in this study,

“…allows for up to 30° of angle in the keyboard as well as 30° of vertical inclination. The vertical inclination is referred to as a “tent” effect. These adjustments allow the user flexibility in the three-dimensional adjustment of the keyboard to allow for optimal hand placement while typing. These movement capabilities are intended to allow the users to make angular adjustments to the keyboard to minimize wrist supination and both radial and ulnar deviation, all of which are key factors in development of distal upper extremity musculoskeletal diseases.”

From this study the authors conclude that such relatively low-cost interventions can be introduced into the workforce to benefit workers without reducing short-term worker productivity.

@DrSharma
Edmonton, CA

ResearchBlogging.orgSmith ML, Pickens AW, Ahn S, Ory MG, DeJoy DM, Young K, Bishop G, & Congleton JJ (2014). Typing performance and body discomfort among overweight and obese office workers: A pilot study of keyboard modification. Applied ergonomics PMID: 25082778

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Wednesday, June 18, 2014

4th Canadian Obesity student Meeting (COSM 2014)

Uwaterloo_sealOver the next three days, I will be in Waterloo, Ontario, attending the 4th biennial Canadian Obesity Student Meeting (COSM 2014), a rather unique capacity building event organised by the Canadian Obesity Network’s Students and New Professionals (CON-SNP).

CON-SNP consist of an extensive network within CON, comprising of over 1000 trainees organised in about 30 chapters at universities and colleges across Canada.

Students and trainees in this network come from a wide range of backgrounds and span faculties and research interests as diverse as molecular genetics and public health, kinesiology and bariatric surgery, education and marketing, or energy metabolism and ingestive behaviour.

Over the past eight years, since the 1st COSM was hosted by laval university in Quebec, these meetings have been attended by over 600 students, most presenting their original research work, often for the first time to an audience of peers.

Indeed, it is the peer-led nature of this meeting that makes it so unique. COSM is entirely organised by CON-SNP – the students select the site, book the venues, review the abstracts, design the program, chair the sessions, and lead the discussions.

Although a few senior faculty are invited, they are largely observers, at best participating in discussions and giving the odd plenary lecture. But 85% of the program is delivered by the trainees themselves.

Apart from the sheer pleasure of sharing in the excitement of the participants, it has been particularly rewarding to follow the careers of many of the trainees who attended the first COSMs – many now themselves hold faculty positions and have trainees of their own.

As my readers are well aware, I regularly attend professional meetings around the world – none match the excitement and intensity of COSM.

I look forward to another succesful meeting as we continue to build the next generation of Canadian obesity researchers, health professionals and policy makers.

You can follow live tweets from this meeting at #COSM2014

@DrSharma
Waterloo, Ontario

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Monday, November 25, 2013

BMI Does Not Affect Outcomes in Knee-Replacement Surgery

sharma-obesity-knee-arthtoplasty2One of the most pervasive “myths” amongst orthopaedic surgeons is that higher BMI is a contraindication to knee-replacement surgery.

Regular readers, however, will perhaps previous posts on this issue, suggesting that BMI is largely irrelevant in terms of outcomes and benefits for obese patients requiring knee replacements.

This previous finding is further supported by a new paper by David Murray and colleagues from The University of Oxford, UK, published in KNEE.

The researchers prospectively examined the impact of BMI on failure rate and clinical outcomes of 2,438 unicompartmental knee replacements in 378 patients with a BMI less than 25, 856 patients with a BMI 25 to 30, 712 patients with a BMI 30 to 35, 286 patients with a BMI 35 to 40, 126 patients with a BMI 40 to 45 and 80 patients with BMI greater than 45.

At a mean follow-up of 5 years (range 1–12 years) there was no significant difference in the Objective American Knee Society Score between BMI groups.

Although there was a slight trend to decreasing post-operative function scores with increasing BMI, patients with higher BMI had lower scores prior to surgery. Thus, overall higher BMIs were associated with a greater change in functional scores.

Thus, this study, further confirms the notion that obese individual have as much (if not more) to benefit from knee replacement surgery with little evidence that initial BMI adversely affects outcomes.

For clinicians this finding means that there is little evidence to deny knee replacement surgery to individuals with higher BMI levels or require that these patients lose weight prior to surgery.

If you have experience (positive or negative) with knee replacement surgery in overweight and obese patients, I’d like to hear from you.

@DrSharma
Edmonton, AB

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Monday, May 27, 2013

Osteoarthritis and Heart Disease

sharma-obesity-knee-osteoarthritis1Given that osteoarthritis often severely limits physical activity, I have long suspected that individuals with joint problems should be at higher risk of cardiovascular disease.

Now, Mushfiqur Rahman and colleagues from the University of British Columbia, in a paper published in BMJ Open report a rather strong relationship between osteoarthritis and cardiovascular disease.

Based on cross-sectional data from the nationally representative Canadian Community Health Survey, about 40,000 self-reported subjects with osteoarthritis were matched 1-1 by participants without joint problems of similar age, sex and CCHS cycles.

After adjusting for sociodemographic status, obesity, physical activity, smoking status, fruit and vegetable consumption, medication use, diabetes, hypertension and chronic obstructive pulmonary disease, individuals with osteoarthritis were significantly more likely to have angina and congestive heart failure (in both men and women), and for myocardial infarction (in women).

As this risk remained elevated even after adjusting for risk factors including physical activity, the question remains whether or not osteoarthritis and heart disease may in fact be causally linked by other mechanisms including chronic systemic inflammation.

As clinicians, we should certainly be aware to screen our patients with osteoarthritis for the presence of additional cardiometabolic risk factors and occult heart disease.

AMS
Frankfurt, Germany

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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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