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    Right Heart Catheterization with Heart Tissue Biopsy

    What is a right heart catheterization with heart tissue biopsy?

    Right heart catheterization, or right heart cath, with heart tissue biopsy is a procedure in which your healthcare provider takes tissue samples directly from your heart muscle. In a right heart cath, your healthcare provider guides a small, thin tube (catheter) into the right side of your heart. The catheter is passed into your pulmonary artery. This is the main artery that carries blood to your lungs. As the catheter is advanced into your pulmonary artery, your healthcare provider measures pressures in your right atrium (right upper heart chamber) and right ventricle (right lower heart chamber). In some cases, your healthcare provider gives you IV (intravenous) heart medicines during the right heart cath to see how your heart responds. For example, if the pressure is high in your pulmonary artery, you may be given medicines to dilate, or relax, the blood vessels in your lungs and to help lower the pressure. Healthcare providers will take several pressure readings during the procedure to measure your body's response to the medicines. 

    Your healthcare provider can take indirect measurements of pressures in the left side of your heart by inflating a small balloon at the tip of the catheter as well. The amount of blood your heart pumps per minute is also measured during a right heart catheterization.

    Your healthcare provider usually does the biopsy at the end of the right heart cath. Another catheter is inserted into a vein, usually in your neck. At the end of the catheter is a tool to take a tissue sample. The tiny pieces of heart tissue are sent to the lab for exam under a microscope. Doctors called pathologists examine your tissue under a microscope for signs of infection, inflammation, or abnormal cells. Your healthcare provider does the biopsy to see if your heart tissue is normal.

    Why might I need a right heart catheterization with heart tissue biopsy?

    A biopsy may be done to:

    • Diagnose the cause of heart failure or heart disease, such as dilated cardiomyopathy. This can be caused by a bacterial or viral infection. The procedure can also diagnose restrictive cardiomyopathy, which can be caused by many different conditions, such as amyloidosis. Amyloidosis is irregular deposits of proteins in the heart that affect the contraction and relaxation of the heart muscle. Knowing the cause of heart failure can help to determine the treatment plan.

    • Evaluate heart tissue after a heart transplant to make sure your body is not rejecting the transplanted (donor) heart.

    Heart (front cut), showing right and left atria, heart wall, right ventricle and enlarged left ventricle

    A right heart cath with biopsy may also be needed as part of your evaluation before a heart transplant. Pressures in your lungs need to be as low as possible for a donor heart to work as well as possible. Excessive pressures will make it hard for the new (donor) heart to pump effectively. A right heart cath will help to see if pulmonary pressures can be decreased with medicines (vasodilators) to ensure successful transplantation.

    Your healthcare provider may have other reasons to recommend a right heart cath with biopsy.

    What are the risks of a right heart catheterization with heart tissue biopsy?

    Possible risks of a right heart catheterization with biopsy include:

    • Bruising of the skin at the site where the catheter is inserted

    • Excessive bleeding because of puncture of the vein during insertion of the catheter

    • Pneumothorax (partial collapse of the lung) if the catheter is inserted into your neck or chest veins

    • Perforation of the wall of your heart after pieces of tissue are removed from the ventricle (the lower pumping chamber of the heart)

    Other rare complications may include:

    • Abnormal heart rhythms, such as ventricular tachycardia (fast heart rate in the lower heart chambers)

    • Pericardial effusion (fluid buildup around the heart)

    • Cardiac tamponade (fluid buildup around the heart that affects its ability to pump blood effectively), rarely resulting in death

    • Low blood pressure

    • Tricuspid valve damage (the valve on the right side of your heart)

    • Infection

    • Blood clots

    • Pulmonary artery rupture (damage to the main artery in your lung, which can result in serious bleeding and make it hard to breathe)

    • Nerve damage

    • Air embolism (air bubbles enter the bloodstream and block blood flow)

    • Deep vein thrombosis

    For some people, having to lie still on the cardiac catheterization table for the length of the procedure may cause some discomfort or back pain.

    There may be other risks, depending on your specific medical condition. Be sure to discuss any concerns with your healthcare provider before the procedure.

    How do I get ready for a right heart catheterization with heart tissue biopsy?

    • Your healthcare provider will explain the procedure to you, and you can ask questions.

    • You will be asked to sign a consent form that gives your permission to do the test. Read the form carefully and ask questions if something is unclear.

    • Tell your healthcare provider if you are sensitive to or are allergic to any medicines, latex, tape, skin products, or anesthesia medicines (local and general).

    • If you are pregnant or think you could be, tell your healthcare provider.

    • Tell your healthcare provider of all prescription and over-the-counter medicines that you are taking. This includes herbal supplements.

    • Tell your healthcare provider if you have a history of bleeding disorders, or if you are taking any blood-thinning medicines (anticoagulant) such as warfarin, aspirin, or other medicines that affect blood clotting. You may need to stop some of these medicines before the procedure.

    • Tell your healthcare provider if you have a pacemaker, an implantable defibrillator, or another implanted device.

    • If you have an artificial heart valve, your healthcare provider will decide if you should stop taking warfarin before the procedure.

    • Follow your healthcare provider's instructions for not eating or drinking anything before the procedure.

    Based on your medical condition, your healthcare provider may request other specific preparation.

    What happens during a right heart catheterization with heart tissue biopsy?

    Your healthcare provider will do the right heart cath with biopsy in the cardiac cath lab or in a special department.  If you are critically ill, your healthcare provider may do the right heart cath in the intensive care unit (ICU) with portable X-ray equipment. A right heart cath may be done on an outpatient basis or as part of your hospital stay. The procedure may vary depending on your condition and your healthcare provider's practices.

    • You will need to remove any jewelry or other objects that may interfere with the procedure. You may wear your dentures or hearing aids if you use either of these.

    • You will need to remove your clothing and will be given a gown to wear.

    • You will need to empty your bladder before the procedure.

    • An IV line will be started in your hand or arm before the procedure to inject medicine, and give fluids, if needed.

    • You will lie on your back on the procedure table.

    • You will be connected to an electrocardiogram (ECG) monitor. An ECG records the electrical activity of your heart during the procedure through small, adhesive electrodes. Your healthcare provider will closely monitor your vital signs (heart rate, blood pressure, breathing rate, and oxygenation level) during the procedure.

    • Sedation is generally not required for this procedure, but you may be given a medicine to help you relax.

    • If your neck vein is to be used, you will be asked to turn your head away from the insertion site to help the healthcare provider locate the proper location to insert the catheter.

    • Sterile towels will be placed over your chest and neck if your neck vein is used. 

    • If your groin is used, sterile towels will be placed over the groin area. 

    • The skin over the insertion site will be cleaned and numbed with a local anesthetic. A small needle will be used to find the vein. Next, a thin tube called a catheter will be inserted into the vein. You may feel some burning or stinging when the numbing medicine is given and some pressure when the needle punctures your vein.

    • Your healthcare provider will place an introducer sheath (a slightly larger, hollow tube) into your vein first. Next, they will insert the biopsy catheter into the introducer. You may feel some pressure as the introducer is placed. You may hear sounds as tissue samples are taken from the heart, but you should not feel any pain. Only a very small amount of tissue is taken for the biopsy.

    • You may feel a pulling or tugging sensation when the tissue sample is taken.

    • For the right heart cath procedure, another catheter will be placed through your right atrium, right ventricle, and into your pulmonary artery. Heart and lung pressures will be measured. Special medicines may be given through the IV to evaluate your heart's response. It may take about 30 minutes to monitor your heart's response to the medicines.

    • Once your healthcare provider gets information from your tissue samples and heart pressure, the catheter and introducer will be removed, unless your healthcare providers decide you need additional monitoring in the ICU or postprocedure recovery area.

    PCardio_20140403_v0_005
    Heart biopsy

    What happens after a right heart catheterization with heart tissue biopsy?

    Medical staff will put pressure over the insertion site for several minutes to make sure you are not bleeding. Or, they may use a closure device on the insertion site. If the catheter was placed in your groin vein, pressure will be placed over the insertion site for a few minutes longer.

    If your neck vein was used (most commonly), you will be able to sit up comfortably. If your groin was used for the procedure, you will have to lie flat in bed for a few hours so that the puncture site can heal properly.

    You can eat and drink normally after the procedure. Your healthcare provider will monitor the insertion site for bleeding and check your blood pressure, heart rate, and breathing while you recover. Let your healthcare provider know if you have any chest pain or trouble breathing.

    The biopsy samples will be sent to a lab for final evaluation; this may take a few days. Your healthcare provider will discuss the results of the right heart cath and the plan for treatment, if needed.

    The length of time you’ll need to stay after the procedure will depend on the location of the insertion site. If your neck vein was used, you may be discharged very quickly, if bleeding from the site stops within a few minutes. If a groin site was used, you will be kept for a few hours to make sure bleeding from the site has stopped.

    Once at home, you should monitor the insertion site for bleeding, unusual pain, swelling, and abnormal discoloration or temperature change at or near the insertion site. A small bruise is normal. If you notice a constant or large amount of blood at the site that cannot be contained with a small bandage or dressing, tell your healthcare provider.

    It will be important to keep the insertion site clean and dry. Your healthcare provider will give you specific bathing instructions.

    You may be told not to participate in any strenuous activities. Your healthcare provider will instruct you about when you can return to work and resume normal activities.

    Call 911

    Call 911 if you have any of the following:

    • Shortness of breath or trouble breathing

    • Chest pain or pressure

    • Fainting

    • Sudden numbness or weakness in arms, legs, or face, or trouble speaking

    • The puncture site swells up very fast

    • Bleeding from the puncture site that doesn't slow down with firm pressure

    When to call your healthcare provider

    Tell your healthcare provider if you have any of the following:

    • Chills or a fever of 100.4°F (38°C) or higher

    • Increased pain, redness, swelling, or bleeding or other drainage from the insertion site

    • Coolness, numbness or tingling, or other changes in the affected extremity

    Your healthcare provider may give you other instructions after the procedure, depending on your situation. 

    Next steps

    Before you agree to the test or the procedure, make sure you know:

    • The name of the test or procedure

    • The reason you are having the test or procedure

    • What results to expect and what they mean

    • The risks and benefits of the test or procedure

    • What the possible side effects or complications are

    • When and where you are to have the test or procedure

    • Who will do the test or procedure and what that person’s qualifications are

    • What would happen if you did not have the test or procedure

    • Any alternative tests or procedures to think about

    • When and how you will get the results

    • Who to call after the test or procedure if you have questions or problems

    • How much you will have to pay for the test or procedure

    Online Medical Reviewer: L Renee Watson MSN RN
    Online Medical Reviewer: Stacey Wojcik MBA BSN RN
    Online Medical Reviewer: Vinita Wadhawan Researcher
    Date Last Reviewed: 3/1/2024
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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