MRI PERIPHERAL ANGIO
Also Known As
Lab Test
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NABH Accredited
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6hrs
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About The Test
| Quick Fact | Value |
|---|---|
| Scan type | Magnetic Resonance Angiography (MRA) |
| Radiation | Zero |
| Duration | 30–45 minutes |
| Anaesthesia | Not required |
| Same-day report | Available at Cadabams Diagnostics |
Why choose Cadabams Diagnostics
- 3-Tesla Siemens scanners give sub-millimetre resolution.
- ACR-accredited radiologists report within 60 minutes.
- Weekend & evening slots for working professionals.
- Free pick-up & drop for seniors in Bengaluru.
List of Parameters
- Arterial lumen diameter – measured in millimetres.
- Stenosis grading – percentage reduction in lumen.
- Collateral vessel visualization – alternative blood routes.
- Run-off vessel assessment – patency of distal foot arteries.
Why This Test
- Peripheral artery disease detection – early before limb loss.
- Pre-surgical mapping – bypass or stent planning.
- Post-intervention follow-up – check graft or stent patency.
- Diabetic foot evaluation – identify micro-vascular disease.
When to Take Test
Common symptoms warranting the test
- Calf pain on walking (claudication).
- Cold, numb or discoloured toes.
- Non-healing ulcers or gangrene.
- Asymmetric leg pulse strength.
Risk factors for peripheral vascular disease
- Diabetes & hypertension.
- Smoking history.
- High cholesterol or triglycerides.
- Family history of heart attack or stroke before age 55.
Doctor referral vs direct booking
You can book directly if you have a prescription or lab request. If you’re unsure, Cadabams Diagnostics offers a complimentary vascular risk screening to help you decide.
Benefits
Advantages of the MRI Peripheral Angiography Scan
- No ionizing radiation—safe for repeated follow-ups.
- High-resolution 3D imaging—rotation from any angle.
- Outpatient procedure—return to work the same day.
- Short recovery time—no wound or groin compression.
Illnesses Diagnosed with MRI Peripheral Angio
| Condition | How MRI Helps |
|---|---|
| Peripheral artery disease (PAD) | Quantifies plaque volume & calcification. |
| Arteriovenous malformations | Shows nidus size and feeding vessels. |
| Thromboangiitis obliterans | Detects segmental occlusions in young smokers. |
| Popliteal artery entrapment syndrome | Dynamic imaging during plantar flexion. |
Preparing for test
- Fasting: 4 hours for contrast studies; water allowed.
- Medication: Take usual blood-pressure drugs; stop metformin if eGFR < 45.
- Metal screening: Remove jewellery, hairpins, hearing aids.
Pre-requisites
- Kidney function tests: Creatinine and eGFR within 4 weeks.
- MRI safety questionnaire: Fill online before arrival.
- Consent form details: Overview of risks, contrast usage and data privacy.
Best Time to Take the MRI Peripheral Angio
- Morning slots suit fasting patients.
- Avoid menstruation days if heavy flow (contrast tolerance lower).
- Same-day availability at Cadabams Diagnostics—call 080-1234 5678 before 11 a.m.
Eligibility
- Age criteria: 12 years and above.
- Weight limits: Up to 180 kg on wide-bore table.
- Pregnancy considerations: Avoid contrast in first trimester; non-contrast MRA possible.
Procedure for Taking a MRI Peripheral Angio
- Arrival (15 min early) – check-in and gown change.
- IV line – placed in arm for contrast.
- Positioning – feet first, knees supported with cushions.
- Scan – series of loud thumping sounds; stay still.
- Contrast injection – 10-second warm sensation.
- Completion – IV removed, hydration offered.
- Total time – 30–45 minutes inside scanner.
Caution Before Taking the Test
- Inform about allergies – shellfish or prior contrast reaction.
- Remove all metallic objects – rings, belts, phones.
- Sedation options – request when booking if claustrophobic.
Test Results
Results Table
| Observation | Description | Clinical Significance |
|---|---|---|
| Aortic bifurcation angle | 20–60° | > 60° suggests tortuosity |
| Common femoral artery diameter | 7–9 mm | < 5 mm indicates stenosis |
| Tibial artery runoff score | 0–1 | 2–3 predicts poor wound healing |
| 70 % stenosis at popliteal artery | Focal narrowing with post-stenotic dilation | Refer for angioplasty |
| Collateral filling via geniculate arteries | Small bypass vessels visualised | Moderate PAD, conservative therapy possible |
| Occluded peroneal artery, patent pedal arch | No flow in peroneal, distal foot perfused via anterior tibial | Good surgical target vessel |
| Plaque Characteristics | (If detectable) Appearance of atherosclerotic plaque: calcified, soft, or mixed. | May suggest plaque stability or vulnerability, though MRA is limited compared to CT for detailed plaque assessment. |
| Vascular Malformation | Abnormal vessels like arteriovenous malformations (AVMs), fistulas, or developmental anomalies. | Can cause shunting, pain, bleeding, or neurological symptoms depending on size and location. |
| Post-Intervention Status | Evaluation of stents or grafts for patency, restenosis, or thrombosis. | Helps assess outcome of vascular procedures; essential for follow-up of stents, bypass grafts, or angioplasties. |
Risks & Limitations
Contraindications
- Permanent pacemaker or ICD (some newer MRI-conditional devices allowed).
- Cochlear implants or older aneurysm clips.
- Metallic foreign bodies in eyes or orbital region.
Contrast agent considerations
- Modern gadolinium-based agents are safe for most kidneys.
- Severe eGFR < 30 ml/min may need non-contrast protocol.
Claustrophobia management
- Open-bore 70 cm wide magnet reduces anxiety.
- Light oral sedation (alprazolam) provided on request.
FAQs
Is MRI Peripheral Angio painful?
No. You may feel a cool sensation during contrast injection—that’s it.
How soon can I resume normal activities?
Immediately. We only advise 10 minutes of post-scan hydration.
Will I need a driver after the scan?
Not unless you take sedation. Most patients drive themselves.
What if I have kidney issues?
Our team reviews your latest eGFR. Non-contrast MRA is available.
Can I eat before the scan?
For contrast studies, a light 4-hour fast is ideal; plain water is allowed.
What happens after my MRI Peripheral Angio?
Unless you received sedation, you can resume normal activities and diet immediately after your MRI Peripheral Angio. There is no specific recovery time. If contrast is used, it is eliminated naturally through the kidneys. Attend your follow-up appointment with your referring doctor to discuss the scan results and determine next steps in your care plan.