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

Calorie restriction promotes longevity through effects on mitochondrial network

Discover Why Ashwagandha Can Be Used for Stress and Anxiety

How Can You Benefit From Vitamin B12?

A spoonful of oil: Fats and oils help to unlock full nutritional benefits of veggies, study suggests

Lower magnesium levels linked with increased mortality risk during up to 40 years of follow-up

Higher resveratrol dose linked to lower glucose levels in type 2 diabetics

What Is Bitter Orange?

Drug can dramatically reduce weight of people with obesity

New Finding: Broccoli Helps Heal Leaky Gut

Tryptophan's Possible Effects for Your Health

 
Print Page
Email Article

Impaired cardiovascular response to standing in Chronic Fatigue Syndrome – Source: European Journal of Clinical Investigation, May 20, 2010

  [ 47 votes ]   [ Discuss This Article ]
By Kieren G Hollingsworth, Julia L Newton, et al. • www.ProHealth.com • May 27, 2010


[Note: bioenergetic function is the biochemical process of cellular energy production, transfer, and flow. This study links CFS patients’ impaired orthostatic regulation (e.g., dizziness on standing) to impaired bioenergetic function/contractility in both skeletal and heart & vascular muscle.]

Background: Impaired skeletal muscle metabolism is recognized in chronic fatigue syndrome (CFS). This study examined the relationship between skeletal and cardiac muscle function and symptoms on standing in CFS using magnetic resonance spectroscopy (MRS) and impedance cardiography.

Materials and methods: Phosphocreatine (PCr)/adenosine triphosphate (ATP) ratio by cardiac MRS, PCr/ADP and proton efflux by muscle MRS were performed in 12 CFS (Fukuda) and 8 controls. Head up tilt (HUT) and cardiac contractility (left ventricular work index, LVWI) (n = 64 CFS and matched controls) were found. Fatigue impact was accessed by Fatigue Impact Scale and orthostatic symptoms by Orthostatic Grading Scale (OGS).

Results:

Cardiac PCr/ATP correlated with measures of muscle bioenergetic function (half-time PCr recovery [K = -0.71, P = 0.005] and half-time ADP recovery [K = -0.60, P = 0.02]) suggesting that the muscle and cardiac bioenergetic function correlate in CFS.

Four of 12 (33.3%) CFS patients had PCr/ATP values consistent with significant cardiac impairment. Those with impaired cardiac energy metabolism had significantly reduced maximal and initial proton efflux rates (P < 0.05). Cardiac PCr/ATP ratio correlated with myocardial contractility (LVWI) in response to standing (P = 0.03).

On HUT, LVWI on standing was significantly higher in CFS (P = 0.05) with symptoms on standing (OGS) occurring in 61 of 64 (95%) (vs. 25 of 64 [39%] controls; P < 0.0001).

OGS scores were significantly higher in those with abnormal LVWI responses to standing (P = 0.04), with the LVWI on standing correlating with OGS scores (r2 = 0.1; P = 0.03). HUT was positive in 19 (32%).

Conclusions:

Skeletal muscle and cardiac bioenergetic abnormalities associate in CFS.

Cardiac bioenergetic metabolism associates with increase in cardiac contractility on standing.

Hemodynamic assessment in CFS is well tolerated and safe with a high diagnostic yield comparable with unexplained syncope.

Source: European Journal of Clinical Investigation, May 20, 2010. PMID: 20497461, by Hollingsworth KG, Jones DE, Taylor R, Blamire AM, Newton JL. Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK.[Email: newton@nuth.nhs.uk]





Post a Comment

Featured Products From the ProHealth Store
Ultra EPA  - Fish Oil Mitochondria Ignite™ with NT Factor® Energy NADH™ 12.5mg


Article Comments



Be the first to comment on this article!

Post a Comment


 
Optimized Curcumin Longvida with Omega-3

Featured Products

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%
Energy NADH™ 12.5mg Energy NADH™ 12.5mg
Improve Energy & Cognitive Function
FibroSleep™ FibroSleep™
The All-in-One Natural Sleep Aid
Ultra EPA  - Fish Oil Ultra EPA - Fish Oil
Ultra concentrated source of essential fish oils

Natural Remedies

Are You Obtaining the Proper Enzymes? Are You Obtaining the Proper Enzymes?
Sunshine Vitamin Has D-lightful Health Benefits Sunshine Vitamin Has D-lightful Health Benefits
Supercharge Your Brain with Two Powerful Nutrients Supercharge Your Brain with Two Powerful Nutrients
Natural Support for Mood, Sleep and Mental Focus? L-theanine Natural Support for Mood, Sleep and Mental Focus? L-theanine
Carry a Massage Therapist in Your Pocket Carry a Massage Therapist in Your Pocket

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