During venipuncture for a patient on anticoagulants, which practice helps reduce hematoma risk?

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When a patient is taking anticoagulants, the body’s ability to stop bleeding is reduced, so preventing bleeding into the tissue (a hematoma) during venipuncture hinges on limiting factors that can cause leakage and ensuring prompt local hemostasis. Keeping the tourniquet time as short as possible reduces upstream venous pressure and the amount of blood that could escape if the needle punctures a vessel. Once the needle is out, applying firm pressure directly to the puncture site helps seal the vessel and promote clot formation before any bleeding can spread into surrounding tissue.

Massaging the site can force blood into surrounding tissues and increase hematoma risk. Extending tourniquet time keeps pressure elevated, which can worsen bleeding if a puncture occurs. Removing the needle before applying pressure delays hemostasis and likewise raises bleeding risk.