ProHealth health Vitamin and Natural Supplement Store and Health
Home  |  Log In  |  My Account  |  View Cart  View Your ProHealth Vitamin and Supplement Shopping Cart
800-366-6056  |  Contact Us  |  Help
Facebook Google Plus
Fibromyalgia  Chronic Fatigue Syndrome & M.E.  Lyme Disease  Natural Wellness  Supplement News  Forums  Our Story
Store     Brands   |   A-Z Index   |   Best Sellers   |   New Products   |   Deals & Specials   |   Under $10   |   SmartSavings Club

Trending News

Is Magnesium the Missing Link in Your Heart Healthy Routine?

More evidence for calorie restriction’s longevity effect

A Little Zinc Goes a Long Way

Supplementation with vitamin D associated with improved testosterone, erectile function among middle...

Vitamin D deficiency increases risk of chronic headache

VIDEO: The Best Brain Foods That Help Increase Your Memory!

Get the Most From Your Green Tea

Iron (And More) For Lasting, Natural Energy

Affordable Care Act made cancer screening more accessible for millions, study finds

Metabolic syndrome increases the need for vitamin E

 
Print Page
Email Article

The Development of a Revised Canadian Myalgic Encephalomyelitis-Chronic Fatigue Syndrome Case Definition – Source: American Journal of Biochemistry and Biotechnology, Issue 2, 2010

  [ 124 votes ]   [ Discuss This Article ]
By Leonard A. Jason, Kenny De Meirleir, Fred Friedberg, et al. • www.ProHealth.com • July 19, 2010


[Note: To read the full text pdf of this article free, click here.]

Problem statement: Several investigators have indicated that case definitions for Chronic Fatigue Syndrome (CFS) are characterized by vaguely worded criteria that lack operational definitions and guidelines. The most widely used CFS case definition is the Fukuda et al. criteria, which uses polythetic criteria (i.e., patients are only required to have four out of a possible eight symptoms).

Yet two of these eight symptoms (post-exertional malaise and memory/concentration problems) are an essential feature of this illness and the Fukuda et al. criteria do not require that these symptoms be present among all patients.

Significant methodological problems could occur if investigators in different settings recruit samples with different percentages of these core symptoms.

In contrast, the Canadian clinical case definition does require specific ME/CFS symptoms such as post-exertional malaise and memory/concentration problems.

The provision of operationally explicit, objective criteria on specific key symptoms might reduce criterion variance as a source of unreliability. In addition, the use of structured interview schedules will ensure that symptoms are assessed in a consistent way across settings.

Conclusion/Recommendations: In this article:

• We specified explicit rules for determining whether critical symptoms meet ME/CFS criteria using a revised Canadian case definition.

• And a questionnaire has been developed to assess core symptoms.

It is hoped that these developments will lead to increased reliability of this revised Canadian case definition as well as more frequent use of these criteria by investigators.

Source: American Journal of Biochemistry and Biotechnology, Issue 2, 2010; 6 (2): 120-135. ISSN 1553-3468, by Jason LA, Evans M, Poerter N, Brown M, Brown A, Hunnell J, Anderson V, Lerch A, De Meirleir K, Friedberg F. Department of Psychology, DePaul University, Center for Community Research, Chicago, Illinois, USA; Department of Physical Education and Physical Therapy, Vrije Universiteit Brussel, Belgium; Department of Psychiatry and Behavioral Science, State University of New York at Stony Brook, USA. [Email: Leonard A Jason, PhD Ljason@depaul.edu]





Post a Comment

Featured Products From the ProHealth Store
Ultra EPA  - Fish Oil Vitamin D3 Extreme™ Mitochondria Ignite™ with NT Factor®

Looking for Vitamins, Herbs and Supplements?
Search the ProHealth Store for Hundreds of Natural Health Products


Article Comments



Be the first to comment on this article!

Post a Comment


 
NAD+ Ignite with Niagen

Featured Products

Energy NADH™ 12.5mg Energy NADH™ 12.5mg
Improve Energy & Cognitive Function
Vitamin D3 Extreme™ Vitamin D3 Extreme™
50,000 IU Vitamin D3 - Prescription Strength
Mitochondria Ignite™ with NT Factor® Mitochondria Ignite™ with NT Factor®
Reduce Fatigue up to 45%
Ultra ATP+, Double Strength Ultra ATP+, Double Strength
Get energized with malic acid & magnesium
Ultra EPA  - Fish Oil Ultra EPA - Fish Oil
Ultra concentrated source of essential fish oils

Natural Remedies

Aching Muscles? Top 10 Nutrients to Take Back Your Life Aching Muscles? Top 10 Nutrients to Take Back Your Life
The Crucial Role CoQ10 Plays in Fibromyalgia and ME/CFS The Crucial Role CoQ10 Plays in Fibromyalgia and ME/CFS
Breakthrough Form of Magnesium Enhances Memory and Cognitive Function Breakthrough Form of Magnesium Enhances Memory and Cognitive Function
When a Negative is Positive - Goodnighties Recovery Sleepwear When a Negative is Positive - Goodnighties Recovery Sleepwear
Sunshine Vitamin Has D-lightful Health Benefits Sunshine Vitamin Has D-lightful Health Benefits

CONTACT US
ProHealth, Inc.
555 Maple Ave
Carpinteria, CA 93013
(800) 366-6056  |  Email

· Become a Wholesaler
· Vendor Inquiries
· Affiliate Program
SHOP WITH CONFIDENCE
Credit Card Processing
SUBSCRIBE TO OUR NEWSLETTERS
Get the latest news about Fibromyalgia, M.E/Chronic Fatigue Syndrome, Lyme Disease and Natural Wellness

CONNECT WITH US ProHealth on Facebook  ProHealth on Twitter  ProHealth on Pinterest  ProHealth on Google Plus

© 2017 ProHealth, Inc. All rights reserved. Pain Tracker App  |  Store  |  Customer Service  |  Guarantee  |  Privacy  |  Contact Us  |  Library  |  RSS  |  Site Map