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Reasons for the increase and decrease in bleeding time

Medical expert of the article

Hematologist, oncohematologist
, medical expert
Last reviewed: 23.04.2024

The reference values of bleeding duration for Duke are 2-3 minutes. Bleeding time characterizes the elasticity of blood vessels and their ability to reduce with trauma, as well as the state of the platelet system (ability to adhesion and aggregation). The lengthening of bleeding time is of practical importance. It reflects a violation of primary hemostasis due to thrombocytopenia, thrombocytopathy, disruption of the vascular wall, or a combination of these factors.

Diseases and conditions in which the bleeding time can vary

Increase the coagulation timeShortening the coagulation time

Thrombocytopenic purpura

Atrombopenic purpura

Scorbut

Phosphorus poisoning

Hemorrhagic diathesis

Leukemia

Splenomegaly cirrhosis of the liver

Long-term use of certain drugs (acetylsalicylic acid)

Hemorrhages with hypofibrinogenemia

Vascular malformations with underdevelopment of pre-capillary contraction (microangiopathy)

DIC-Syndrome

More often the consequence of a technical error in the test or testifies to the increased spastic ability of capillaries

trusted-source[1], [2], [3], [4], [5], [6], [7]


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