AI identifies risk of cholesterol-raising genetic disease

ScienceDaily | 4/11/2019 | Staff
stefania (Posted by) Level 3
The disease, known as familial hypercholesterolemia, is often misdiagnosed as garden-variety high cholesterol.

"We think that less than 10 percent of individuals with FH in the United States actually know that they have it," said Joshua Knowles, MD, PhD, assistant professor of cardiovascular medicine at Stanford. It's a serious oversight, he added, because an FH patient with high cholesterol is three times more likely to develop early heart disease than someone who has high cholesterol but not FH. A person with FH faces 10 times the risk of heart disease as someone with normal cholesterol.

Knowles - Nigam - Shah - MBBS - PhD

Knowles and Nigam Shah, MBBS, PhD, associate professor of medicine and of biomedical data science, have come up with a solution to help catch more cases of FH: a computer algorithm that flags patients who are likely to have the disease. In test runs of the algorithm, it correctly identified 88 percent of the cases it screened. Theoretically, if the algorithm were used in a clinic, any patient it flagged as having FH could undergo further genetic testing to verify the algorithm's calculation.

Without intervention, around 50 percent of men with FH have a heart attack by age 50 and about 30 percent of women by age 60. But swift, early diagnosis and treatment of the disease can essentially neutralize this threat, Shah said. The trick is to catch it before it's too late, and this is where Knowles and Shah think their algorithm could make an impact.

Diagnosis - People - Knowles - FH - Family

One diagnosis could even help multiple people, Knowles said. Because FH is genetic, if one family member has the disease, it's likely that other relatives have it too. "So screening family members of FH patients is really important, just like it would be with breast cancer or any other genetically linked illness," he said.

A paper describing the research will be published...
(Excerpt) Read more at: ScienceDaily
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