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Heart failure is a chronic condition in which the heart does not pump blood properly."Previous research has focused on smoking and atherosclerosis, or hardening of the arteries, but not enough attention has been given to the other bad effects of smoking on the heart," said Michael E. Hall, a cardiologist at the University of Mississippi Medical Center in the US.The new study found that current smokers were nearly three times more likely to be hospitalised for heart failure, while current smokers who smoked a pack or more a day were over three times more likely to be hospitalised.
Current smokers's left ventricle -- the heart's main pumping chamber -- showed early signs of not working properly.These changes in the left ventricle's structure and function are likely put a person at greater risk of developing heart failure, Hall said.For the study, detailed in the journal Circulation, the team included 4,129 participants, aged 54 and of African-American origin.
Current smokers's left ventricle -- the heart's main pumping chamber -- showed early signs of not working properly.These changes in the left ventricle's structure and function are likely put a person at greater risk of developing heart failure, Hall said.For the study, detailed in the journal Circulation, the team included 4,129 participants, aged 54 and of African-American origin.
The study took into account high blood pressure, diabetes, body mass and other factors that might have biased results.Even those with a smoking history, equivalent to smoking a pack a day for 15 years, were also twice as likely to be hospitalised for heart failure.
"As healthcare professionals, we would recommend that all patients quit smoking anyway, but the message should be made even more forcefully to patients at higher risk of heart failure,"Hall said.
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