[MR angiography of peripheral arterial disease of the distal legs: is time resolved MRA (TRICKS) necessary?].

E. Archambault; Pierre Gouny; Thomas Hébert; N. Salley; Emmanuel Nowak; Michel Nonent

[MR angiography of peripheral arterial disease of the distal legs: is time resolved MRA (TRICKS) necessary?].

E. Archambault Pierre Gouny ¹ Thomas Hébert ^{2, 3} N. Salley Emmanuel Nowak ⁴ Michel Nonent ^{2, 3}

1 CCTV - Brest - Service de chirurgie thoracique et cardio vasculaire [Brest]

2 GETBO - Groupe d'Etude de la Thrombose de Bretagne Occidentale

3 CHRU - CB - Service d'Imagerie

4 CIC - Brest - Centre d'Investigation Clinique

Abstract : PURPOSE: To demonstrate the added diagnostic value of time-resolved imaging of contrast kinetics (TRICKS) in the evaluation of lower limb arteries compared to standard 3 level MRA with stepping table method. PATIENTS AND METHODS: Forty patients (30% diabetics) with lower extremity peripheral arterial disease (87.5% with chronic ischemia) underwent standard contrast MRA including TRICKS of the distal arteries. Five arterial segments were defined per leg, and 395 arterial segments were compared (one patient with amputation). Two reviewers evaluated the quality of arterial imaging, presence of venous return and degree of stenosis per segment. The degree of interobserver agreement for arterial stenosis measurement was calculated. RESULTS: More arterial segments could be analyzed on the TRICKS sequence (good or excellent analysis in 63.03%-66.32% of arterial segments compared to 41.51%-47.08% on routine MRA). There was less venous contamination on TRICKS images (25.57% to 27.60% gain). The degree of interobserver agreement was superior with TRICKS compared to standard MRA (kappa 0.85 vs 0.69). CONCLUSION: The TRICKS sequence can be added to standard MRA for pre-therapeutic evaluation of distal arteries in patients with peripheral arterial disease, especially with chronic ischemic with rest pain and/or trophic changes.

Type de document :

Article dans une revue

Journal de Radiologie, Elsevier Masson, 2008, 89 (7-8 Pt 1), pp.863-71

Domaine :

Sciences du Vivant [q-bio] / Médecine humaine et pathologie

Liste complète des métadonnées

http://hal.univ-brest.fr/hal-00685559
Contributeur : Ghislaine Calvez <>
Soumis le : jeudi 5 avril 2012 - 13:31:48
Dernière modification le : mercredi 10 janvier 2018 - 14:42:02

[MR angiography of peripheral arterial disease of the distal legs: is time resolved MRA (TRICKS) necessary?].

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[MR angiography of peripheral arterial disease of the distal legs: is time resolved MRA (TRICKS) necessary?].

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