Acquired platelet function defect

Definition

Acquired platelet function defects are conditions that prevent clotting elements in the blood called platelets from working as they should. The term acquired means these conditions are not present at birth.

Alternative Names

Acquired qualitative platelet disorders; Acquired disorders of platelet function

Causes

Platelet disorders can affect the number of platelets, how well they function, or both. A platelet disorder affects normal blood clotting.

Disorders that can have problems with platelet function include:

Other causes include:

Symptoms

Symptoms may include any of the following:

Exams and Tests

Tests that may be done include:

Treatment

Treatment is aimed at fixing the cause of the problem:

Outlook (Prognosis)

Most of the time, treating the cause of the problem corrects the defect.

Possible Complications

Complications may include:

When to Contact a Medical Professional

Contact your health care provider if:

Prevention

Using medicines as directed can reduce the risk for drug-related acquired platelet function defects. Treating other disorders may also reduce the risk. Some cases cannot be prevented.

References

Gross PL, Lopez JA. Acquired disorders of platelet function. In: Hoffman R, Benz EJ, Silberstein LE, et al, eds. Hematology: Basic Principles and Practice. 8th ed. Philadelphia, PA: Elsevier; 2023:chap 128.

Hall JE, Hall ME. Hemostasis and blood coagulation. In: Hall JE, Hall ME, eds. Guyton and Hall Textbook of Medical Physiology. 14th ed. Philadelphia, PA: Elsevier; 2021:chap 37.

Jobe SM, Di Paola J. Congenital and acquired disorders of platelet function and number. In: Kitchens CS, Kessler CM, Konkle BA, Streiff MB, Garcia DA, eds. Consultative Hemostasis and Thrombosis. 4th ed. Philadelphia, PA: Elsevier; 2019:chap 9.


Review Date: 2/2/2023
Reviewed By: Mark Levin, MD, Hematologist and Oncologist, Monsey, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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