A study published April 28 in the European Heart Journal-Cardiovascular Pharmacotherapy showed that people with high blood lipids who take fish oil, which contains mostly omega-3 fatty acids The study showed that taking fish oil (mainly containing omega-3 fatty acids) in people with high blood lipids increased the incidence of atrial fibrillation.
Atrial fibrillation (AF) is a common heart rate disorder that manifests as a sudden increase in heart rate, and the incidence of AF increases with age. People with arrhythmias are up to five times more likely to have a stroke than others.
The study’s author, Salvatore Carbone of Virginia Commonwealth University, said, “Nowadays, many patients with high levels of triglycerides (triglycerides) in their blood are take some fish oil to reduce the risk of cardiovascular disease.”
A large percentage of the population has high triglyceride levels, and many doctors will also prescribe highly concentrated fish oil to those who seek it. Regular fish oil is available as a health product in pharmacies, supermarkets and repatriation gift stores. Fish oil purchased with a doctor’s prescription is 10 to 40 times more concentrated than regular fish oil.
This study analyzed data from five clinical trials and found that omega-3 fatty acids are likely to increase the risk of heart rate disorders.
These trials used different formulations and different doses of omega-3 fatty acids, and compared them with people who did not take fish oil. The authors of the study concluded that such data would provide a more comprehensive picture of the effects of fish oil.
A total of 50,277 patients took part in these trials. They all had high levels of triglycerides in their blood, were at high risk for cardiovascular disease, and some already had cardiovascular disease.
Some of them were taking fish oil at doses ranging from 0.84 grams to 4 grams per day, while others were taking a “placebo”, which means they thought they were taking fish oil when there was no fish oil in it. Placebo is a common method for conducting comparative studies to explore the effects of certain drugs that are not psychological. These experiments tracked these people for up to 2 to 7.4 years, respectively.
Analysis of the study showed that the cohort taking omega-3 fatty acids was 1.37 times more likely to develop atrial fibrillation than the placebo cohort.
Our study shows that taking fish oil in people at high risk for cardiovascular disease may significantly increase the incidence of atrial fibrillation,” said Carbone. Although one of the clinical trials saw cardiovascular benefits from fish oil, the risk of AF incidence cannot be ignored and it is recommended that doctors should take this into account when prescribing or when patients buy fish oil themselves, especially those who are already prone to heart rate disturbances.”
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