A Blood Test Diagnosed Alzheimer’s 90%, Study Finding

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      Hey everyone, I wanted to share some exciting news about Alzheimer’s diagnosis. Researchers have made a significant breakthrough with a new blood test that has shown to be highly accurate in diagnosing Alzheimer’s disease. Let’s dive into the details!

      The Study:
      A study published in JAMA found that a blood test correctly diagnosed Alzheimer’s in about 90% of cases, significantly outperforming the accuracy of cognitive tests and CT scans used by primary care doctors, which had accuracies of 61% and 73%, respectively.

      Expert Opinions:
      Dr. Jason Karlawish from the Penn Memory Center called this study a revolutionary step in diagnosing brain conditions in living humans. Dr. Adam Boxer, a neurologist from UCSF, believes that routine blood tests for cognitive impairment could soon become a norm, similar to mammograms and PSA exams for early cancer detection.

      Research Details:
      Conducted in Sweden, the study involved about 1,200 patients with mild memory problems. It compared the blood test results to spinal taps and PET scans. The blood test focused on a form of the protein tau (ptau-217), which is closely linked to Alzheimer’s pathology.

      Important Considerations:
      Experts emphasize that these blood tests should be part of a comprehensive diagnostic process, including memory tests and CT scans. They caution against using these tests on cognitively healthy individuals due to the lack of preventive treatments and potential psychological impacts.

      Future Implications:
      The study’s findings could lead to more accessible and affordable Alzheimer’s diagnostics, especially benefiting communities with less access to specialist care. However, further research is needed to confirm these results in diverse populations.

      Conclusion:
      This breakthrough is a promising step toward early and accurate Alzheimer’s diagnosis. With continued research and development, we might see these blood tests integrated into routine primary care in the near future.

      Feel free to share your thoughts and any questions you might have!

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