Low-carbohydrate consumption increases Atrial Fibrillation risk significantly
According to a study, people getting a low proportion of their daily calories from carbohydrates are significantly more likely to develop atrial fibrillation ( AFib).
Foods like grains, fruits and starchy vegetables are a high source of carbohydrates. These foods are avoided by many diet enthusiasts. Low-carb diets are a high source of carbohydrates. These foods are avoided by many enthusiasts. Low-carb diets are all the rage, but cutting carbohydrates spell may trouble for your heart, finds a new study.
Restricting carbohydrates has become a popular weight loss strategy in recent years. While there are many different low-carbohydrate diets including the ketogenic, paleo and Atkins diets, most emphasize proteins while limiting intake of sugars, grains, legumes, fruits and starchy vegetables.
The long-term effect of carbohydrate restriction is still controversial, especially with regards to its influence on cardiovascular disease, said a cardiologist. Considering the potential influence on arrhythmia, our study suggests this popular weight control method should be recommended cautiously.
The study, which analysed the health records of nearly 14,000 people spanning more than 2 decades, is the 1st and largest to assess the relationship between carbohydrate intake and AFib. With AFib, a type of arrhythmia, the heart doesn't always beat or keep pace the way it should, which can lead to palpitations, dizziness and fatigue. People with AFib are 5 times more likely to have a stroke than people without the condition. It can also lead to heart failure.
The findings complement previous studies, several of which have associated both low-carbohydrate and high-carbohydrate diets with an increased risk of death. However, while previous studies suggested the nature of the non-carbohydrate component of the diet influenced the overall pattern observed, the new study did not.
Low carbohydrate diets were associated with increased risk of incident of AFib regardless of the type of protein or fat used to replace the carbohydrate, the Dr. said.
Researchers drew data from a study that ran from 1985-2016. Of the nearly 14,000 people who did not have AFib when they enrolled in the study, researchers identified nearly 1,900 participants who were subsequently diagnosed with AFib during an average of 22 years of follow-up.
Study participants were asked to report their daily intake of 66 different food items in a questionnaire. The researchers used this information along with another database to estimate each participant's daily carbohydrate intake and the proportion of daily calories that came from carbohydrates. On average, carbohydrates comprised about half of calories consumed. The dietary guidelines recommend that carbohydrates make up 45-65 % of total daily calorie intake.
Researchers then divided participants into 3 groups representing low, moderate and high carbohydrate intake, reflecting diets in which carbohydrates comprised less then 44.8% of daily calories, 44.8-53.4% of calories, and more than 52.4 % of calories, respectively.
Participants reporting low carbohydrate intake were the most likely to develop AFib. These participants were 18 % more likely to develop AFib than those with moderate carbohydrate intake and 16 % more likely to develop AFib than those with high carbohydrate intake.
Several potential mechanisms could explain why restricting carbohydrates might lead to AFib, the Dr. said. One is that people eating a low-carbohydrate diet tend to eat fewer vegetables, fruits and grains- foods that are known to reduce inflammation. Without these foods, people may experience more inflammation, which has been linked with AFib. Another possible explanation is that eating protein and fat in lieu of carbohydrate-rich foods may lead to oxidative stress, which has also been associated with AFib. Finally, the effect could be related to an increased risk of other forms of cardiovascular disease.
The Dr. said that while the research shows an association, it cannot prove cause and effect. A randomized controlled trial would be needed to confirm the relationship between carbohydrate intake and AFib and assess the effect in a more ethnically diverse population. In addition, the study did not track participants with asymptomatic AFib or those who had AFib but were never admitted to a hospital, nor did it investigate different sub-types of AFib, so it is unknown whether patients were more likely to have occasional episodes of arrhythmia ot persistent AFib. The study did not account for any changes in diet that participants may have experienced after completing the questionnaire.
Foods like grains, fruits and starchy vegetables are a high source of carbohydrates. These foods are avoided by many diet enthusiasts. Low-carb diets are a high source of carbohydrates. These foods are avoided by many enthusiasts. Low-carb diets are all the rage, but cutting carbohydrates spell may trouble for your heart, finds a new study.
Restricting carbohydrates has become a popular weight loss strategy in recent years. While there are many different low-carbohydrate diets including the ketogenic, paleo and Atkins diets, most emphasize proteins while limiting intake of sugars, grains, legumes, fruits and starchy vegetables.
The long-term effect of carbohydrate restriction is still controversial, especially with regards to its influence on cardiovascular disease, said a cardiologist. Considering the potential influence on arrhythmia, our study suggests this popular weight control method should be recommended cautiously.
The study, which analysed the health records of nearly 14,000 people spanning more than 2 decades, is the 1st and largest to assess the relationship between carbohydrate intake and AFib. With AFib, a type of arrhythmia, the heart doesn't always beat or keep pace the way it should, which can lead to palpitations, dizziness and fatigue. People with AFib are 5 times more likely to have a stroke than people without the condition. It can also lead to heart failure.
The findings complement previous studies, several of which have associated both low-carbohydrate and high-carbohydrate diets with an increased risk of death. However, while previous studies suggested the nature of the non-carbohydrate component of the diet influenced the overall pattern observed, the new study did not.
Low carbohydrate diets were associated with increased risk of incident of AFib regardless of the type of protein or fat used to replace the carbohydrate, the Dr. said.
Researchers drew data from a study that ran from 1985-2016. Of the nearly 14,000 people who did not have AFib when they enrolled in the study, researchers identified nearly 1,900 participants who were subsequently diagnosed with AFib during an average of 22 years of follow-up.
Study participants were asked to report their daily intake of 66 different food items in a questionnaire. The researchers used this information along with another database to estimate each participant's daily carbohydrate intake and the proportion of daily calories that came from carbohydrates. On average, carbohydrates comprised about half of calories consumed. The dietary guidelines recommend that carbohydrates make up 45-65 % of total daily calorie intake.
Researchers then divided participants into 3 groups representing low, moderate and high carbohydrate intake, reflecting diets in which carbohydrates comprised less then 44.8% of daily calories, 44.8-53.4% of calories, and more than 52.4 % of calories, respectively.
Participants reporting low carbohydrate intake were the most likely to develop AFib. These participants were 18 % more likely to develop AFib than those with moderate carbohydrate intake and 16 % more likely to develop AFib than those with high carbohydrate intake.
Several potential mechanisms could explain why restricting carbohydrates might lead to AFib, the Dr. said. One is that people eating a low-carbohydrate diet tend to eat fewer vegetables, fruits and grains- foods that are known to reduce inflammation. Without these foods, people may experience more inflammation, which has been linked with AFib. Another possible explanation is that eating protein and fat in lieu of carbohydrate-rich foods may lead to oxidative stress, which has also been associated with AFib. Finally, the effect could be related to an increased risk of other forms of cardiovascular disease.
The Dr. said that while the research shows an association, it cannot prove cause and effect. A randomized controlled trial would be needed to confirm the relationship between carbohydrate intake and AFib and assess the effect in a more ethnically diverse population. In addition, the study did not track participants with asymptomatic AFib or those who had AFib but were never admitted to a hospital, nor did it investigate different sub-types of AFib, so it is unknown whether patients were more likely to have occasional episodes of arrhythmia ot persistent AFib. The study did not account for any changes in diet that participants may have experienced after completing the questionnaire.
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Read more at Speciality Medical Dialogues: Low-carbohydrate consumption increases Atrial Fibrillation risk significantly https://speciality.medicaldialogues.in/low-carbohydrate-consumption-increases-atrial-fibrillation-risk-significantly/
Labels: Atrial fibrillation AFib), Fruits, grains, ketogenic and Atkins diets, low-carb, paleo, starchy vegetables, weight loss diet
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