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Screening Athletes for "Silent" Heart Problems Would Save Lives

by VR Sreeraman on October 2, 2010 at 12:14 PM
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 Screening Athletes for

Should athletes have to undergo mandatory electrocardiographic screening (also known as ECG or heart trace) before competing? Doctors debate the issue in this week's BMJ.

Antonio Pelliccia and Domenico Corrado argue that screening athletes for "silent" heart problems would save lives. They say the best evidence of the efficacy of ECG screening on mortality in athletes comes from Italy, the only country where it is required by law, and where a mass screening programme has been in place for almost 30 years.

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The incidence of sudden deaths before and after implementation of the programme fell by 89%, and no deaths were reported among athletes disqualified from competition because of hypertrophic cardiomyopathy. They say this supports the idea that timely identification of affected athletes offers the possibility to improve survival.

"Cardiovascular screening for young competitive athletes is justifiable and compelling on ethical, legal, and medical grounds" they argue.
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But in an opposing piece, Dr Roald Bahr argues that the diagnostic accuracy of ECG screening varies, that false positives can be as high as 40%, and that some conditions, such as coronary atherosclerosis, are likely to remain undetected.

The conditions that cause cardiac death differ substantially between populations, he says. He argues that a screening programme that has successfully identified cardiomyopathies in Italy will not necessarily be effective in, for example, Norway, where this seems to be a rare cause of sudden death.

He argues that because diagnostic accuracy is low, and depends on which cardiac conditions are the main causes of sudden death, ECG screening for athletes would fail public health criteria.

"Screening of hundreds of thousands of athletes to save possibly one life a year, cannot be justified," he concludes.

Source: BMJ
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