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DSA

Measures antibodies that target a transplant donor’s tissue to detect or monitor organ rejection risk.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
GENDER
Male/Female
GET REPORTS IN
25 hours
TEST INCLUDED
1
customers
20K+Customers
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CertifiedLabs
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What is a DSA Test?

DSA measures antibodies in a person’s blood that react against a transplant donor’s tissues. These antibodies are part of the immune system. They can attach to the donated organ and cause inflammation or damage. Detecting DSA helps doctors find and treat antibody-mediated rejection. It also helps assess how “sensitized” a patient is before transplant. Doctors use DSA testing before transplant to match donors and after transplant to investigate rising creatinine, reduced urine output, fever, or other signs of graft trouble. Results guide decisions about biopsies and changes in immune-suppressing medicines to protect the transplanted organ.

DSA Test Preparation

No special preparation is required.

DSA Test Parameters

The DSA test evaluates various parameters related to the different components. Here are the main parameters that are checked in the test:

  • Single test

Why Take a DSA Test?

DSA is usually part of transplant antibody testing and monitoring. Doctors order it when they evaluate transplant candidates, check donor compatibility, or investigate graft dysfunction such as rising creatinine, reduced urine, or fever. It helps diagnose antibody-mediated rejection and guide changes in immunosuppression. Abnormal results can come from prior transplants, blood transfusions, pregnancy, infections, or inadequate immune suppression. Testing is also important when a family member is being considered as a donor.

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Frequently asked questions

For any unanswered questions, reach out to our support team via email. We will assist you as soon as possible

What is a digital subtraction angiogram?plus

A digital subtraction angiogram (DSA) is an imaging test that visualizes blood vessels by subtracting pre-contrast images from contrast-filled ones to highlight only vascular structures. It’s mainly used to detect blockages, aneurysms, or abnormal vessels in the brain, heart, or limbs, providing high-resolution, real-time images for diagnosis or treatment planning.

What can DSA angiography detect?plus

DSA can detect arterial or venous blockages, aneurysms, arteriovenous malformations, vessel narrowing, and abnormal blood flow patterns. It is widely used for diagnosing stroke, vascular injuries, and conditions affecting brain, heart, kidney, or limb circulation. It helps guide surgical or interventional procedures such as stent placement or embolization.

What is the difference between digital subtraction angiography and CT angiography?plus

DSA uses real-time X-ray fluoroscopy with contrast injection to produce highly detailed images of blood vessels and can guide interventions. CT angiography (CTA) is non-invasive, faster, and uses CT scans to visualize vessels in 3D but offers slightly less precision. DSA is preferred for complex vascular mapping or when therapeutic procedures are needed.

When is digital subtraction angiography done?plus

DSA is performed when doctors need detailed visualization of blood vessels to diagnose or treat conditions like aneurysms, vascular malformations, or arterial blockages. It’s also done before neurosurgery, cardiac, or peripheral vascular interventions to plan treatment or guide procedures like angioplasty, embolization, or stent placement.

What is the cost of DSA in India?plus

The cost of a digital subtraction angiography in India typically ranges from ₹15,000 to ₹40,000 depending on the hospital, city, and body area examined. Advanced neuro-DSA or interventional procedures may cost more (₹50,000–₹1,00,000). Prices vary based on imaging equipment, radiologist expertise, and hospital facilities.

How long does a DSA angiography take?plus

A DSA procedure usually takes 30 minutes to 2 hours, depending on the complexity and area studied. Preparation and recovery may add another 1–2 hours. If used for both diagnosis and treatment (e.g., stent or coil placement), the duration can be longer. Patients are monitored afterward for several hours for safety.

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