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[Dynamic evaluation of lower limb arteries using the ECTRICKS MRI technique]
M Nicolas1, V Laurent, S Tissier
1CHU de Nancy, Hôpitaux de Brabois, Service de Radiologie Adultes, Allée de Morvan, 54511 Vandoeuvre les Nancy Cedex, France. michel.nicolas24@wanadoo.fr
Journal De Radiologie
|March 24, 2005
Summary
A new MR angiography technique, Elliptic Centric Time Resolved Imaging on Contrast KineticS (ECTRICKS), improves calf artery evaluation, especially in diabetic patients or those with venous insufficiency. This dynamic imaging aids diagnosis when standard methods are insufficient.
Area of Science:
- Radiology
- Medical Imaging
- Vascular Imaging
Background:
- Lower limb arterial evaluation is crucial for diagnosing peripheral artery disease.
- Venous return can impede diagnostic clarity in calf artery imaging.
- Standard MR angiography (MRA) may not always provide sufficient detail in challenging cases.
Purpose of the Study:
- To introduce and evaluate a novel MRA technique called Elliptic Centric Time Resolved Imaging on Contrast KineticS (ECTRICKS).
- To assess the efficacy of ECTRICKS in dynamic evaluation of lower limb artery opacification.
- To determine if ECTRICKS improves diagnostic capabilities in patients with venous return interference.
Main Methods:
- A comparative study involving 59 patients undergoing both standard MRA and ECTRICKS.
- Evaluation of lower limb arteries using both imaging techniques.
- Analysis of diagnostic yield for additional arteries visualized.
Main Results:
- ECTRICKS allowed evaluation of additional arteries in 10% of the overall patient cohort.
- This diagnostic improvement rose to 20% in the diabetic patient subgroup.
- Superior arterial evaluation was observed with ECTRICKS in patients with diabetes and venous insufficiency.
Conclusions:
- ECTRICKS serves as a valuable complementary MR angiography sequence.
- It enhances the evaluation of calf arteries, particularly in patients with diabetes.
- The technique is beneficial for patients experiencing early venous return, improving diagnostic accuracy.