Eight primary factors that increase the risk of upper gastrointestinal bleeding complication after heart attack are identified by researchers at Karolinska Institute in Sweden, using machine learning techniques. The results are published in the European Heart Journal - Cardiovascular Pharmacotherapy. “If we can identify patients at high risk of upper gastrointestinal bleeding following heart attack, doctors will be able to take prophylactic measures to mitigate this risk,” says the study’s corresponding author Moa Simonsson, deputy consultant at Karolinska University Hospital.
‘Identifying bleeding complication risk factors helps in personalized treatment for heart attack.’
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Bleeding in the upper gastrointestinal (GI) tract is one of the most common bleeding complications following acute myocardial infarction(heart attack).This condition causes considerable suffering and increases the risk of death. Bleeding complications also limit the use of antithrombotics, which in turn can worsen the cardiovascular prognosis.
A sharper focus on bleeding complications over the past two decades has led to several strategies for reducing the risk of upper gastrointestinal tract bleeding. Despite this, there are few studies on this complication that include a diverse population of heart attack patients.
For the current study, researchers sourced data on almost 150,000 patients with acute myocardial infarction between 2007 and 2016 from the national SWEDEHEART registry.
Of these patients, approximately 1.5 percent suffered GI bleeding within a year of their heart attack. They also had an increased risk of death and stroke.
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Using an algorithm, they also identified new risk factors, including smoking, blood pressure, blood glucose and previous treatment for stomach disorders, such as ulcers and acid reflux.
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Researchers will start a major clinical study to investigate the significance of diagnosis and treatment of a common infection in the upper GI tract.
Source-Medindia