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Bleeding and Clotting Disorders

What is Factor 7 and how does it influence?



What implications for clotting are influenced by an absence of factor 7? If one is undergoing minor surgery and has an absence of Factor 7 what could happen?  Previous surgeries have never had a clotting problem.


Patients with a deficiency of Factor 7 will typically have a prolonged prothrombin time (PT) and will typically be prone to bleeding, especially with more invasive or involved procedures, although there can be some variability in this. In these situations a consultation with a hematologist experienced with coagulation issues should likely be done to assess the risk for bleeding prior to a procedure.

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Response by:

Spero R Cataland, MD Spero R Cataland, MD
Associate Professor of Clinical Internal Medicine
College of Medicine
The Ohio State University