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Omega-3s Not Linked to Increased Risk of Bleeding During Surgery

A recent study suggests that omega-3s do not increase perioperative bleeding during surgery. In fact, they may be associated with a reduced risk of bleeding.


Participants in the study included 1,516 people scheduled for cardiac surgery. The participants were given either 6.5 grams to 8 grams of EPA and DHA or placebo for two to five days before surgery. They were then administered 1.7 grams of omega-3s on the morning of the surgery. All of the participants received the maintenance dose of omega-3s until they were discharged.


After examining the data, the researchers found that the higher the blood level of omega-3s on the morning of the surgery, the lower the risk of bleeding during surgery. They also found a significant reduction in the number of units of blood used for transfusions in the omega-3 group, when compared with the placebo group.


Researchers from University of Iowa Hospitals and Clinics led the study. It was published on November 5, 2018, in Circulation: Cardiovascular Quality and Outcomes.


Because omega-3 fatty-acids are not found naturally in the human body, it is especially important to make sure that they are a part of your daily diet. Oily, dark fish such as tuna and salmon are high in omega-3s. For people who don’t like fish, consider taking a daily high-quality non-fish supplement that has been tested for purity and potency.

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