Association between Leeds Dactylitis Index and ultrasonographic features: a multicentre study on psoriatic hand dactylitis

The aim of this study was to explore the link between specific sonographic findings and Leeds Dactylitis Index basic (LDI-b) score in psoriatic arthritis (PsA) patients with hand dactylitis. Ninety-one hand dactylitis were evaluated in a multicentre study for the presence of pain, functional limitat...

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Bibliographic Details
Published in:Clinical and experimental rheumatology 2020-11, Vol.38 (6), p.1112-1117
Main Authors: Girolimetto, Nicolò, Macchioni, Pierluigi, Tinazzi, Ilaria, Costa, Luisa, Peluso, Rosario, Tasso, Marco, Bottiglieri, Paolo, Marchetta, Antonio, Possemato, Niccolò, Salvarani, Carlo, McGonagle, Dennis, Scarpa, Raffaele, Caso, Francesco
Format: Article
Language:English
Subjects:
Arthritis, Psoriatic - diagnostic imaging
Arthritis, Psoriatic - epidemiology
Fingers - diagnostic imaging
Hand - diagnostic imaging
Humans
Synovitis - diagnostic imaging
Synovitis - epidemiology
Ultrasonography, Doppler
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Summary:The aim of this study was to explore the link between specific sonographic findings and Leeds Dactylitis Index basic (LDI-b) score in psoriatic arthritis (PsA) patients with hand dactylitis. Ninety-one hand dactylitis were evaluated in a multicentre study for the presence of pain, functional limitation and tenderness (2-point scale) and LDI-b score. Dactylitic fingers were investigated using high-frequency US in grey scale (GS) and power Doppler (PD). According to median LDI-b score value of 12, fingers were then divided into two groups and categorised into quartiles on the basis of the value of ratio of circumference. Dactylitic fingers with a LDI-b score >12 showed a significantly higher prevalence of GS flexor tenosynovitis (p=0.015), PD flexor tenosynovitis (p=0.001) and soft tissue oedema (p=0.004), when compared with those with those with LDI-b score
ISSN:0392-856X