Glucose loading for heart failure protects the myocardium and improves physical function.
Ryoichi Nishida, Jun Goto, Noboru Kamajiri and 3 others
PMID 37405188WHAT IT FOUND
Rats with induced right heart failure that drank 10% or 50% glucose water lost less body weight, fat mass and skeletal muscle and walked distances similar to control, unlike rats given 0% glucose.
This is an animal experiment, not evidence for treating people.
Key findings
01Heart failure rats given 10% or 50% glucose water lost less body weight, fat mass and skeletal muscle than rats given 0% glucose.
02The heart failure group given 0% glucose walked a shorter treadmill distance than control, while the 10% and 50% glucose groups did not differ from control.
03Right ventricular hypertrophy index was highest in the 0% glucose heart failure group, with lower values in the 10% and 50% glucose groups.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study was done in rats, not people, so it cannot show what glucose loading would do in a patient with heart failure. The sample size was very small. The paper does not report the number of rats in each group. Mitochondrial metabolism was not analyzed. The study did not test a physical therapy program or a human nutrition intervention. The paper does not state which outcome was primary.
Declared interests
The authors state there is no conflict of interest to disclose.
The easy way to misread this
Do not read this as evidence that glucose loading protects the heart or improves physical function in people with heart failure. The study was done in rats, had a very small sample, and did not test a clinical nutrition or physical therapy plan.