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Patients who reported extreme pain after a heart attack were more than twice as likely to die during the eight-year study period compared to heart attack survivors who had no pain, new research has found.
The study, published in the Journal of the American Heart Association, found that nearly 45% of the participants reported moderate or extreme pain one year after their heart attack. Those with moderate pain were 35% more likely than those with no pain to die from any cause during the study period of 8.5 years.
Study author Linda Vixner, associate professor of medical science at the School of Health and Welfare at Dalarna University in Falun, Sweden, said: “Pain causes significant loss of function and may lead to disability, all of which contribute to major, global public health issues. Research indicates that pain is linked to higher risk of cardiovascular disease and overall death; however, the impact of pain on death after a heart attack has not yet been examined in large studies.”
Severe pain after a heart attack may be a potential obstacle to rehabilitation
The analysis came from health data for more than 18,300 adults who had a heart attack from the Swedish quality registry called SWEDEHEART. Adults in the study were younger than 75 years of age (average age was 62, 24.5% women) and had heart attacks between 2004 to 2013. Data on pain from a two-month follow-up visit and a participant questionnaire completed one year after their heart attack was assessed to gauge if they had no, moderate or extreme pain. The pain they reported was more likely to be due to other health conditions.
The participant survey did not specifically ask about the duration of pain they experienced, although a majority reported having pain both two months after the heart attack and one year later, indicating the pain was long lasting. The study also only included people living in Sweden, which may not apply to people living in other countries or communities.
Professor Vixner added: “After a heart attack, it’s important to assess and recognize pain as an important risk factor of future mortality. In addition, severe pain may be a potential obstacle to rehabilitation and participation in important heart-protective activities such as regular exercise; reduced or lack of physical activity, in turn, increases risk. For patients with pain, it is of particular importance to reduce other risk factors, such as smoking, high blood pressure and high cholesterol levels.”