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Titolo:
MRI of the arthritic small joints: comparison of extremity MRI (0.2 T) vs high-field MRI (1.5 T)
Autore:
Savnik, A; Malmskov, H; Thomsen, HS; Bretlau, T; Graff, LB; Nielsen, H; Danneskiold-Samsoe, B; Boesen, J; Bliddal, H;
Indirizzi:
Frederiksberg Univ Hosp, Dept Rheumatol, Parker Inst, DK-2000 Copenhagen, Denmark Frederiksberg Univ Hosp Copenhagen Denmark DK-2000 0 Copenhagen, Denmark Herlev Univ Hosp, Dept Radiol, DK-2730 Herlev, Denmark Herlev Univ Hosp Herlev Denmark DK-2730 Radiol, DK-2730 Herlev, Denmark Frederiksberg Univ Hosp, Dept Radiol, DK-2000 Copenhagen, Denmark Frederiksberg Univ Hosp Copenhagen Denmark DK-2000 0 Copenhagen, Denmark Herlev Univ Hosp, Dept Rheumatol, DK-2730 Herlev, Denmark Herlev Univ Hosp Herlev Denmark DK-2730 eumatol, DK-2730 Herlev, Denmark
Titolo Testata:
EUROPEAN RADIOLOGY
fascicolo: 6, volume: 11, anno: 2001,
pagine: 1030 - 1038
SICI:
0938-7994(2001)11:6<1030:MOTASJ>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
RHEUMATOID-ARTHRITIS; SYNOVIAL-MEMBRANE; GD-DTPA; CONTRAST ENHANCEMENT; WRIST; VOLUME; STRENGTH; QUANTIFICATION; ACCURACY; HAND;
Keywords:
MRI inflammatory joint diseases; rheumatoid arthritis; comparative study;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Savnik, A Frederiksberg Univ Hosp, Dept Rheumatol, Parker Inst, Nordre Fasanvej 57, DK-2000 Copenhagen, Denmark Frederiksberg Univ Hosp Nordre Fasanvej 57 Copenhagen Denmark DK-2000
Citazione:
A. Savnik et al., "MRI of the arthritic small joints: comparison of extremity MRI (0.2 T) vs high-field MRI (1.5 T)", EUR RADIOL, 11(6), 2001, pp. 1030-1038

Abstract

The aim of this study was to compare the diagnostic capabilities of extremity MRI (E-MRI) with high-field MRI in arthritic small joints, and to evaluate the patients' acceptance and perceptions of the two MR systems. One hundred three patients (group 1 = 28 patients with RA < 3 years, group 2 = 25 patients with reactive and psoriatic arthritis and mixed connective tissue disease, group 3 = 25 patients with rheumatoid arthritis (RA) more than 3 years and group 4 = 25 patients with arthralgia) underwent dedicated E-MRI and high-field MRI of the wrist and finger joints. Coronal short tau inversion recovery and transversal 3D T1-weighted images before and after gadodiamide (Gd) were performed in both cases to outline the volume of the synovialmembrane (Vsm) and to evaluate joints with enhancement, effusion, bone edema, and erosions. Investigators blinded to the clinical findings evaluated the images. Patients' compliance and acceptance of E-MRI and high-field MRTwere evaluated. The median Vsm obtained on E-MRI did not differ significantly from that obtained on high-field MRI. Vsm = 1 ml (E-MRI) and 1.1 ml (high-field MRI) before Gd and Vsm = 0.1 ml (E-MRI) and 0 ml (high-field MRT) after Gd (Wilcoxon test, p > 0.05), The difference in agreement was 8% for joint enhancement, 2% for joint effusion, 3% for bone edema, and 4% for bone erosions. Of the patients, 64% preferred E-MRI due to more comfortable positioning and less claustrophobia and noise. Extremity MRI of the small arthritic joints is comparable to high-field MRI and more readily accepted than high-field MRI by this patient group.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 21:13:50