Paul Shook

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A 75-year-old man with severe aortic stenosis, severe chronic obstructive pulmonary disease, NYHA class III heart failure and a large abdominal aortic aneurysm underwent concurrent transfemoral transcatheter aortic valve replacement (TF-TAVR) and endovascular aneurysm repair (EVAR). An Edwards Sapien device was implanted with resolution of hemodynamics.(More)
To determine the effect on platelet behavior of transient exposure of platelets to ascorbic acid, studies of platelet function and ultrastructure were done before exposure to ascorbic acid at pH 6.5, during exposure to pH 6.5, and after restoration of pH to pre-acidification levels. The effect of ascorbic acid (A.A.) was compared to that of HCl and citric(More)
The effect of varying methods of platelet preparation and the role of ADP and divalent cations in supporting platelet adherence to collagen and the release of 14C-serotonin were assessed by affinity chromatography on collagen/Sepharose to define physiological conditions for this interaction. Platelets were separated by centrifugation or gel filtration from(More)
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