About Renal Captopril Study
Key Highlights
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Non-invasive and generally painless diagnostic procedure.Highly effective in diagnosing renovascular hypertension (high blood pressure due to kidney artery narrowing).Helps differentiate between essential hypertension and kidney-related hypertension.Provides detailed functional images of kidney blood flow and filtration.Guides critical treatment decisions, potentially avoiding unnecessary long-term medication.Uses a very low dose of radiation, considered safe for most patients./ul
Who is this surgery for?
- Evaluation of suspected renovascular hypertension, especially in patients with sudden onset or difficult-to-control high blood pressure.
- Assessment of kidney function in patients with known or suspected renal artery stenosis.
- Determining the functional significance of a known renal artery narrowing seen on other imaging tests.
- Evaluation of decreased kidney function (renal insufficiency) of unknown cause.
- Assessment prior to a planned intervention like angioplasty or stent placement for renal artery stenosis.
How to prepare
- Patients may be asked to stop certain blood pressure medications (like ACE inhibitors or ARBs) for 3-5 days before the test, as directed by the physician.
- Fasting for 4-6 hours prior to the procedure is often required.
- Good hydration is encouraged; drinking water before the test is usually recommended.
- Inform the doctor of all current medications, allergies, and if there is any chance of pregnancy.
- A blood test to check baseline kidney function (creatinine) is typically performed beforehand.
Risks & possible complications
- Minor risks associated with the intravenous injection, such as pain, bruising, or infection at the injection site.
- Exposure to a very low level of ionizing radiation from the radioactive tracer.
- A temporary drop in blood pressure after taking captopril, which is monitored closely.
- Allergic reactions to the radiopharmaceutical or captopril are extremely rare.
- Risk of acute kidney injury in patients with pre-existing severe bilateral renal artery stenosis or solitary kidney, which is why careful patient selection is crucial.
Recovery & hospital stay
- No specific recovery period is needed; patients can typically resume normal activities immediately after the scan.
- Drink plenty of fluids for the rest of the day to help flush the tracer from the body.
- Blood pressure will be monitored for a short time after captopril administration.
- The radioactive tracer naturally decays and is eliminated from the body within hours to a day.
- Results are analyzed by a nuclear medicine physician and a report is sent to the referring doctor to discuss findings and next steps.
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Typical hospital stay: 0 days (outpatient procedure)
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Expected recovery time: 0 days (immediate)
Frequently Asked Questions
If you are considering renal captopril study in India, these questions and answers can help you make a confident, informed decision.
Top-rated hospitals in India with nuclear medicine departments and experienced surgeons are ideal for this procedure. Use MediFyr to compare facilities, reviews, and doctor profiles before you decide.
Look at the doctor’s years of experience, hospital association, patient reviews, and how often they perform renal captopril study. MediFyr helps you compare nuclear medicines and book consultations online.
The overall cost depends on hospital category, surgeon’s experience, room type, implant or device used (if any), length of stay, tests, and post-operative care. Our team can help you get cost estimates from multiple hospitals before you decide.
Procedure cost in other countries
Here is an overview of how the estimated cost, hospital stay, and recovery time for renal captopril study compare across other countries where we have data.
Aadya Nair, a 58-year-old retired school...
Aadya Nair, a 58-year-old retired school librarian, has lived with well-controlled Type 2 diabetes for 15 years. Her recent routine bloodwork showed a creeping rise in her creatinine level, a potential sign of kidney stress. Her primary care physician, Dr. Sharma, noticed the trend and referred her to a nephrologist. The nephrologist, concerned about diabetic nephropathy or a possible narrowing of the kidney arteries (renal artery stenosis), recommended a Renal Captopril Study to assess the blood flow and function of her kidneys under stress. Aadya was anxious; her father had kidney failure, and she feared the same path. The day of the test was long. She took the captopril pill and waited, feeling a slight lightheadedness. The intravenous line for the tracer and the subsequent imaging sessions while lying still were uncomfortable but manageable. The results, delivered a week later, showed mildly reduced blood flow to her left kidney, but no critical stenosis. The emotional relief was immense. The outcome meant she could avoid an invasive angiogram for now. With a new, stricter medication regimen focused on kidney protection, Aadya felt empowered and proactive, her fear replaced by a determined focus on managing her health.
Nuclear Medicines for Renal Captopril Study
Explore experienced nuclear medicines who regularly perform renal captopril study and provide pre- and post-operative care in India.
- 11 Years Experience
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Kamineni Hospital LB Nagar, Hyderabad
- 27 Years Experience
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Miot Hospital Chennai, Chennai
- 25 Years Experience
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Miot Hospital Chennai, Chennai
- 9 Years Experience
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Miot Hospital Chennai, Chennai
- 28 Years Experience
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Artemis Hospital Gurgaon, Gurgaon
- 13 Years Experience
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Manipal Hospital Old Airport Road, Bangalore
- 14 Years Experience
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Manipal Hospital Old Airport Road, Bangalore
- 16 Years Experience
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- 13 Years Experience
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Manipal Hospital EM Bypass, Kolkata
- 6 Years Experience
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Artemis Hospital Gurgaon, Gurgaon