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Hemorrhagic Diathesis: Causes, Symptoms and Treatment

Hemorrhagic diathesis refers to an abnormal tendency to bleed, caused by disorders of blood clotting, blood vessels, or platelets.

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Things worth knowing about "Hemorrhagic Diathesis"

Hemorrhagic diathesis refers to an abnormal tendency to bleed, caused by disorders of blood clotting, blood vessels, or platelets.

What Is Hemorrhagic Diathesis?

Hemorrhagic diathesis (also called bleeding diathesis) is an umbrella term for conditions that cause an abnormal tendency to bleed spontaneously or excessively, even after minor injuries or without any apparent trigger. It is not a single disease but rather a collective term for various disorders that impair the normal process of hemostasis (the body´s ability to stop bleeding).

Normal hemostasis involves three key components working together: blood vessel walls, platelets (thrombocytes), and coagulation factors (proteins in the blood). A defect in any one of these components can lead to hemorrhagic diathesis.

Causes and Types

Depending on which component of hemostasis is affected, hemorrhagic diathesis is classified into three main categories:

1. Vascular Bleeding Diathesis (Vessel-Related)

Damage or weakness of blood vessel walls
Examples: Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu disease), vasculitis, scurvy (vitamin C deficiency)

2. Platelet-Related Bleeding Diathesis (Thrombocytic)

Thrombocytopenia: abnormally low platelet count (e.g., in immune thrombocytopenic purpura or bone marrow disorders)
Thrombocytopathy: dysfunctional platelets (e.g., caused by medications such as aspirin or in Von Willebrand disease)

3. Coagulopathy (Coagulation Factor-Related)

Deficiency or dysfunction of coagulation factors
Examples: Hemophilia A and B (inherited deficiency of factor VIII and factor IX respectively), Von Willebrand disease, liver disease (as the liver produces most coagulation factors), vitamin K deficiency, disseminated intravascular coagulation (DIC)

Symptoms

The symptoms of hemorrhagic diathesis vary depending on the underlying cause and severity. Common signs include:

Petechiae: tiny pinpoint hemorrhages in the skin (characteristic of platelet disorders)
Ecchymoses: large, spontaneous bruises forming without significant trauma
Mucosal bleeding: such as frequent nosebleeds or bleeding gums
Hemarthrosis: bleeding into joints (characteristic of hemophilia)
Prolonged bleeding time after injuries, surgery, or dental procedures
Internal bleeding: such as blood in the urine (hematuria) or stool

Diagnosis

Diagnosing hemorrhagic diathesis requires a thorough medical history, physical examination, and a range of laboratory tests:

Complete blood count (CBC): to assess platelet numbers
Coagulation tests: aPTT (activated partial thromboplastin time), PT/INR (prothrombin time), thrombin time
Von Willebrand factor assay
Individual clotting factor levels: e.g., factor VIII and IX when hemophilia is suspected
Platelet function tests (e.g., PFA-100)
Bone marrow biopsy if a hematological disorder is suspected

Treatment

Treatment depends on the underlying cause of the hemorrhagic diathesis:

Pharmacological Treatment

Hemophilia: replacement of the deficient clotting factor (factor VIII or factor IX concentrates)
Von Willebrand disease: desmopressin (DDAVP) or Von Willebrand factor concentrates
Vitamin K deficiency: vitamin K supplementation
Immune thrombocytopenic purpura (ITP): corticosteroids, intravenous immunoglobulins, or thrombopoietin receptor agonists in refractory cases

Non-Pharmacological Measures

Avoiding medications that promote bleeding (e.g., NSAIDs, aspirin) whenever possible
Patient education on injury prevention and safe activities
Careful surgical planning with specialized preparation and close monitoring

Emergency Management

For acute, life-threatening bleeding: administration of fresh frozen plasma (FFP), platelet concentrates, or specific clotting factor concentrates
Antifibrinolytics (e.g., tranexamic acid) to prevent the breakdown of clots

References

World Federation of Hemophilia (WFH). Guidelines for the Management of Hemophilia. 3rd Edition. 2020. Available at: https://www.wfh.org
Levi M, Hunt BJ. A critical appraisal of point-of-care coagulation testing in critically ill patients. Journal of Thrombosis and Haemostasis. 2015;13(11):1960-1967. PubMed PMID: 26255829.
Federici AB. Clinical diagnosis of von Willebrand disease. Haemophilia. 2004;10 Suppl 4:169-176. PubMed PMID: 15479373.

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