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Platelet dysfunction in acute type A aortic dissection evaluated by the laser light- scattering method  Masashi Tanaka, MD, Koji Kawahito, MD, Hideo Adachi,

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Presentation on theme: "Platelet dysfunction in acute type A aortic dissection evaluated by the laser light- scattering method  Masashi Tanaka, MD, Koji Kawahito, MD, Hideo Adachi,"— Presentation transcript:

1 Platelet dysfunction in acute type A aortic dissection evaluated by the laser light- scattering method  Masashi Tanaka, MD, Koji Kawahito, MD, Hideo Adachi, MD, Takashi Ino, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 126, Issue 3, Pages (September 2003) DOI: /S (03)

2 Figure 1 Typical patterns of platelet aggregation determined by optical density (OD) and laser light-scattering (LS) assays of blood samples obtained from a 77-year-old woman diagnosed with acute type A aortic dissection in the acute phase (A) and chronic phase (B) (agonist: 2.0 μg/mL collagen). Small aggregates (S), medium aggregates (M), and large aggregates (L) are measured by LS assay. Platelet aggregation capacity (T) is measured by OD assay. Small aggregates are formed in the first phase of aggregation, and larger aggregates are formed in the second phase. After stimulation, the quantity of small aggregates is increased transiently and the quantity of larger aggregates is increased after that. Arrow indicates the point at which agonist is added. The LS assay scale is depicted on the left; the OD scale is depicted on the right. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (03) )

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