Key result
Light transmission aggregometry remains the gold standard for diagnosing inherited platelet disorders, but should be combined with molecular genetic testing for accurate phenotype-genotype characterization.
Why the study?
The ongoing necessity and role of light transmission aggregometry compared to other functional approaches and molecular genetic testing in diagnosing inherited platelet disorders required clarification.
Light transmission aggregometry remains a necessary functional assay for diagnosing inherited platelet disorders even in the era of molecular genetic testing.
Answers are grounded in this paper and cite their sources.
Continues to support light transmission aggregometry in current diagnostic practice; leaves open optimal integration with molecular testing.
For more than 50 years, light transmission aggregometry has been accepted as the gold standard test for diagnosing inherited platelet disorders in platelet-rich plasma, although there are other functional approaches performed in whole blood. In this article, several advantages and disadvantages of this technique over other laboratory approaches are discussed in the view of recent guidelines, and the necessity of functional assays, such as light transmission aggregometry in the era of molecular genetic testing, is highlighted.
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Gebetsberger et al. (2023) conducted a review in Inherited and acquired platelet function disorders. Light transmission aggregometry (LTA) vs. Alternative platelet function tests and molecular genetic testing was evaluated. Light transmission aggregometry remains the gold standard for diagnosing inherited platelet disorders, but should be combined with molecular genetic testing for accurate phenotype-genotype characterization.
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