American researchers found surprisingly that angioplasties give only temporary relief, if at all, to most heart patients. They analyzed 2,287 patients who were medically stable but had severe blockages, mostly in two arteries. On an average, these patients suffered from 10 instances of chest pain in a week and 40 per cent of them had already had a heart attack. They were all given suitable medication and prescribed to follow a healthy diet. One-half of the group was to get angioplasties. After 4 years, they found a minor difference between the statistics of the two groups. Only about one-third of the patients who had been given suitable medication needed an angioplasty or a bypass. The researchers suggest that instead of conducting surgery on non-emergency patients, they should first be treated with drugs.
Meanwhile, another group of researchers in USA revealed that a controlled dose of aspirin could lower a woman’s death risk. The scientists studied women from the Nurses’ Health Study between 1980 and 2004. They were all between the ages of 35 and 60 and at the beginning, had no history of cardiovascular disease or cancer. They were interviewed every two years and were asked about their weekly intake of aspirin. High doses of aspirin were not beneficial to the patients. However, those who took moderate doses of aspirin had a 25 per cent lower chance of dying from any cause and a 38 per cent reduced risk of dying of heart diseases. Several scientists challenge the results of this study and further investigations are the only way to resolve the controversy.
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