Blood Clots

Soft robot helps the heart beat

Harvard University and Boston Children's Hospital researchers have developed a customizable soft robot that fits around a heart and helps it beat, potentially opening new treatment options for people suffering from heart ...

Jan 18, 2017
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Transfusions of 'old' blood may harm some patients

The oldest blood available for transfusions releases large and potentially harmful amounts of iron into patients' bloodstreams, a new study by researchers at Columbia University Medical Center (CUMC) has found.

Jan 09, 2017
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A thrombus (Greek θρόμβος), or blood clot, is the final product of the blood coagulation step in hemostasis. It is achieved via the aggregation of platelets that form a platelet plug, and the activation of the humoral coagulation system (i.e. clotting factors). A thrombus is normal in cases of injury, but pathologic in instances of thrombosis.

Mural thrombi are thrombi adherent to the vessel wall. They are not occlusive and affect large vessels, such as heart and aorta. Grossly they appear grey-red with alternating light and dark lines (lines of Zahn) which represent bands of fibrin (darker) with entrapped white blood cells and red blood cells (lighter).

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