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[Periungual capillaroscopy in psoriatic arthritis]
L Sallì1, F Raimondi, A Pappalardo
1Università degli Studi di Palermo, Dipartimento di Discipline Chirurgiche, Anatomiche ed Oncologiche, Italia.
Purpose:
The aim of the study is the evaluation of the microcirculation trough periungueal capillaroscopy in patients suffering from psoriatic arthritis.
Materials And Methods:
Eighteen patients (mean age 44 years, nine males and nine females) were examined according to the different clinical forms (spondylitic, mutilans, simil-rheumatoid, onyco-arthritis, oligo-articular) of the disease.
Results:
In most of the patients, the exam showed a reduction in ansas' density and in capillary length and calibre as well as interstitial edema and expansion of the ansa venular portion with coiling and kinking, demonstrating the re-organization of the veins and the neo-angiogenesis. Avascular areas and microaneurysm have been found only in the "mutilans" form. In the "simil-rheumatoid" form, ansa reduced in length and calibre have been observed at capillaroscopy, a pattern different from that reported by others, in rheumatoid arthritis (characterized by thin but lengthened ansa). In the "spondylitic" form, the video-microscopical pattern was negative.
Conclusions:
This study is still ongoing in order to evaluate the results in a more representative sample.