Friday September 21, 2018

HIV Infected Smokers More likely to die of lung cancer than AIDS, Reveals Indian-origin Researcher

Smoking kills! A recent research reveals a vicious reality about the people infected with HIV, who loves to smoke, are more likely to die from lung cancer than from AIDS.

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Cigarette smoking is injurious to health. Pixabay
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New York, September 20, 2017: People living with HIV who adhere to antiretroviral therapy, but smoke tobacco cigarettes are more likely to die from lung cancer than from AIDS, a study led by an Indian-origin researcher has revealed.

The findings showed that overall people with HIV who take antiviral medicines, but who also smoke are six to 13 times more likely to die from lung cancer than from HIV/AIDS, depending on the intensity of smoking and their sex.

“Smoking and HIV are a particularly bad combination when it comes to lung cancer,” said lead author Krishna Reddy, MD, Massachusetts General Hospital (MGH).

“Lung cancer is now one of the leading killers of people with HIV, but most of these deaths can be prevented,” added Rochelle Walensky, Professor at Harvard Medical School.

Among men who continued to be heavy smokers, an estimated 29 percent would die of lung cancer by age 80, as would 23 per cent of moderate smokers and 19 per cent of light smokers.

For women who continued to be heavy smokers, an estimated 29 percent would die of lung cancer by age 80, as would 21 per cent of moderate smokers and 17 per cent of light smokers.

“The data tell us that now is the time for action: smoking cessation programmes should be integrated into HIV care just like antiviral therapy,” Reddy said in the paper published in the journal JAMA Internal Medicine.

However, among those who managed to quit smoking at age 40, only about six per cent die of lung cancer.

“Quitting smoking is one of the most important things that people with HIV can do to improve their health and live longer,” suggested Travis Baggett, Assistant Professor at the Harvard Medical School.

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Besides reducing the risk of lung cancer, quitting will also decrease their risk of other diseases such as heart attack, stroke and emphysema, the researchers said. (IANS)

 

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AI-System to Detect Specks of Lung Cancer

The approach is similar to the algorithms that facial-recognition software uses. It scans thousands of faces looking for a particular pattern to find its match

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Cancer
Cancer Ribbon. Pixabay

Researchers from University of Central Florida in the US have taught a computer how to detect tiny specks of lung cancer in computed tomography (CT) scans, which radiologists often have a difficult time identifying.

The Artificial Intelligence (AI) system is about 95 per cent accurate, compared to 65 per cent when done by human eyes, the team said.

“We used the brain as a model to create our system,” one of the researchers Rodney LaLonde said in a statement released by the university.

The approach is similar to the algorithms that facial-recognition software uses. It scans thousands of faces looking for a particular pattern to find its match.

Cancer
Cancer Ribbon. Pixabay

The group fed more than 1,000 CT scans into the software they developed to help the computer learn to look for the tumours, according to the research to be presented at the MICCAI 2018 conference in Spain in September.

“I believe this will have a very big impact,” said Assistant Professor Ulas Bagci.

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“Lung cancer is the number one cancer killer in the US and if detected in late stages, the survival rate is only 17 percent. By finding ways to help identify earlier, I think we can help increase survival rates,” Bagci added.

The next step is to move the research project into a hospital setting. After that, the technology could be a year or two away from the marketplace, Bagci said. (IANS)