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A Journal on Nephrology and Urology

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Minerva Urologica e Nefrologica 1999 March;51(1):17-21

language: Italian

Correlations between vitral serology and different clinical features in patients with lupus nephropathy

Colla L., Santi S., Quaglia M., Besso L., Ghisetti V., Campo A., Barbui A., Messuerotti A., Stratta P.

Università degli Studi - Torino Cattedra di Nefrologia (Direttore: Prof. G. Piccoli)
Laboratorio di Microbiologia (Direttore: Prof. G. Marchiaro)


Background. Relationships between viral infections and autoimmune diseases are complex and debated: on the one hand, patients with LES are particularly prone to develop viral infections, on the other, some virus are thought to play a role both in triggering the onset of the immunologic disease and in conferring peculiar clinical features to flare-ups.
Methods. This study has drawn an epidemologic profile of viral pathology from Epstein Barr virus, Parvovirus B 19 and Cytomegalovirus in 60 patients with LES followed-up for a period ranging from 13 to 340 months (on average 158 months).
Results. Cytomegalovirus seropositivity has turned out to be a strong, statistically significant risk factor for vascular accidents and especially for peripheral ones, such as Raynaud phenomenon, ulcers and distal necrosis (OR=6,5 IC=0,7-7,9* p=0,037).
Conclusions. Although Cytomegalovirus seropositivity is associated with an increased frequency of LAC/ACA, its relationship with vascular events does not seem to be mediated
through such antibodies, apparently acting as an independent risk factor which also works in LAC/ACA negative patients. Parvovirus B 19 seropositivity has turned out to be the only increased risk factor for the development of anemia, although not reaching statistical significance, whereas Epstein Barr seropositivity does not appear to influence clinical features significantly.

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