Pulmonary Embolism

Pulmonary Embolism (PE) Treatment Program

Pulmonary Embolisms (PE) have a modern approach to their management, from compression stockings therapy to minimally invasive surgery.

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A pulmonary embolism is a blood clot that was located in one of your veins, dislodged and travelled to your lung. Once the clot has lodged itself in a blood vessel in your lung, it is blocking the blood supply to part of that organ. This increases the blood pressure in your lungs, which makes your heart pump much harder than usual. If this is not corrected, your heart continues to overwork and enlarges, potentially failing to perform. This is why early diagnosis and treatment is paramount.

How did I get a Pulmonary Embolism?

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Midland, Alma, Mount Pleasant,
Gladwin, West Branch, Saginaw

This condition arises from a blood clot in your veins called a Deep Vein Thrombosis (DVT) (please see this section under Venous Conditions) that has dislodged and travelled to your lung. Factors that contribute to a DVT or pulmonary embolism include:

  • Family history of blood clots or pulmonary embolism
  • Inherited blood clotting disorder
  • Surgery or trauma (particularly to the legs), hip, or leg fractures
  • Cancer and cancer therapy
  • Sitting or standing for long periods of time
  • Obesity
  • Smoking
  • History of heart attack or stroke
  • Pregnancy
  • Birth control pills or hormones for menopausal symptoms

How is a Pulmonary Embolism diagnosed?

This can be a difficult condition to diagnose because it can mimic many other diseases. A diagnosis is made by a combination of physical examination, reported symptoms, and results of diagnostic testing. Symptoms may include.

  • Sudden shortness of breath
  • Chest pain that worsens with a deep breath; may extend into the jaw, shoulder, or back
  • Rapid breathing
  • Anxiety and restlessness
  • Dizziness, lightheadedness, or fainting
  • Heart palpitations
  • Coughing up blood
  • Sweating
  • Low blood pressure
  • Symptoms of a DVT: pain, swelling, redness, or warmth in the effected leg or arm

Tests used to confirm diagnosis include:

  • Chest x-ray
  • Electrocardiography (ECG)
  • D-dimer blood test
  • Spiral computed tomography scan (CT)
  • Ventilation-perfusion scan (VQ)
  • Duplex ultrasound
  • Pulmonary angiogram
  • Venography

What are my treatment options for a Pulmonary Embolism?

Treatment depends upon the extent of disease, signs and symptoms, tolerance to certain medications/therapies, and your age and current health. The goal is to prevent the clot from getting any larger and to prevent further clots from forming.

  • Compression Stockings:  These elastic stockings should be worn during the day to reduce swelling and prevent blood from pooling in your leg veins.
  • Anticoagulant therapy:  These medications thin your blood and prevent the current clot from increasing in size, as well as prevent new clots from forming. These medications do not dissolve the clots that you have. You may be on IV heparin for several days or an injection called Lovenox that is given in the abdomen once daily for 5 to 7 days. You will be started on a medication called warfarin (Coumadin), which is an anticoagulant pill. It can take about 3 days for this medication to have effect, so during that time you may be on both warfarin and heparin. You may be on this medication for up to 6 months, during which time routine blood tests are required to ensure your blood is at the appropriate thinness to prevent clots from forming.
  • Thrombolytics:  During this procedure, a thin flexible tube called a catheter is inserted into a puncture in the skin and guided into the affected blood vessel of the lung. A thrombolytic drug is injected which dissolves the clot over a period of time. There is a much higher risk of bleeding with this therapy as well as stroke, compared to anticoagulants.
  • Suction Thrombectomy:  During this procedure a thin flexible tube called a catheter is inserted into a puncture in the skin over a blood vessel and guided to the area of the pulmonary blood clot. The catheter shoots a salt water solution into the blocked blood vessel, which can break up the clot. A mechanical device may also be attached to the end of the catheter that uses a rotating head to break up the clot for removal.
  • Pulmonary Embolectomy:  When clots have been unresponsive to other therapies, they may require surgical removal.
  • Inferior Vena Cava (IVC) filter:  During this procedure, a thin flexible tube called a catheter is inserted through a vein in your leg, arm, or neck. The vascular surgeon passes a small special metal filter through the catheter and places it in the inferior vena cave, which is a large vein in your abdomen that carries blood back to the lungs. This filter traps clots that break away from leg veins, preventing them from travelling to your lungs. This is generally done if the patient will not be able to be on Coumadin therapy for 6 months.

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