Blood Clots (cont.)
IN THIS ARTICLE
Blood Clots Self-Care at Home
Recognizing that a potential illness may exist associated with a blood clot is the first step in getting treatment. Since many of these illnesses are life-threatening (heart attack, stroke, pulmonary embolus), accessing emergency care may be the most important step in treatment.
Blood Clots Medical Treatment
Depending upon their location, blood clots may be aggressively treated or may need nothing more than symptomatic care.
Venous thrombosis in the leg may occur in the superficial or deep systems of veins.
Unlike warfarin, these above medications thin the blood within a couple of hours and do not require immediate therapy with low molecular weight heparin as a bridge. The decision as to which class of drug is prescribed needs to be individualized for each patient because of various risks and benefits.
Blood clots below the knee are at lower risk for embolization to the lung, and an alternative to anti-coagulation treatment is serial ultrasound examinations to monitor the clot to see whether it is stable or growing.
Pulmonary emboli are treated similarly to deep venous thrombosis. In patients who have increasing shortness of breath or weakness, hospitalization may be required during the initial treatment phase. In certain situations, when there are large amounts of blood clot in the pulmonary arteries, strain can be put on the heart and lung function and thrombolytic therapy with tissue plasminogen activator (tPA) drugs, so-called clot busting drugs, might be considered. These patients are usually critically ill and in shock.
Arterial blood clots are often managed more aggressively. Surgery may be attempted to remove the clot, or medication may be administered directly into the clot to try to dissolve it. Alteplase (Activase, tPA) or tenecteplase (TNKase) are examples of clot busting medications that may be used in peripheral arteries to try to restore blood supply.
Heart attack: The same approach for heart attack is used as for arterial blood clots. If possible, cardiac catheterization is performed to locate the blocked blood vessel and a balloon is used to open it, restore blood flow, and a stent is placed to keep it open. This is a time-sensitive procedure and if a local hospital is unable to perform a heart catheterization emergently, thrombolytic medications described above like tPA or TNK may be used intravenously to try to dissolve the thrombus and minimize heart damage. There will still be the need to eventually transfer the patient when stable to a hospital for heart catheterization.
Stroke also is treated with tPA if the patient is an appropriate candidate for this treatment. Each patient is different and may or may not qualify for this medication with an acute stroke. Again, this is a time sensitive emergency and in addition to tPA, an interventional radiologist may be able to insert a catheter into the blood vessels of the brain, identify the clot and remove it, thus hopefully reversing the stroke.
Medically Reviewed by a Doctor on 8/27/2015
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