Objective. To investigate the clinical and laboratory patterns of HCV-unrelated cryoglobulinaemic vasculitis (CV), and the factors influencing its outcome. Methods. Prospective study of all anti-HCV and HCV-RNA negative patients with CV who have been observed since January 2004 in 17 centres participating in the Italian Group for the Study of Cryoglobulinaemias (GISC). Results. 175 enrolled were followed up for 677 person-years. The associated conditions were primary Sjogren's syndrome (21.1%), SLE (10.9%), other autoimmune disorders (10.9%), lymphoproliferative diseases (6.8%), solid tumours (2.3%) and HBsAg positivity (8.6%), whereas 69 patients (39.4%) had essential CV. There were significant differences in age (p<0.001), gender (p=0.002), the presence of purpura (p=0.005), arthralgia (p=0.009), liver abnormalities (p<0.001), sicca syndrome (p<0.001), lymphadenopathy (p=0.003), splenomegaly (p=0.002), and rheumatoid factor titres (p<0.001) among these groups. Type II mixed cryoglobulins were present in 96 cases (54.9%) and were independently associated with purpura and fatigue (odds ratio [OR14.3; 95% confidence interval [CI] 1.8-10.2; p=0.001; and OR2.8; 95%CI 1.3-6.3; p=0.012). Thirty-one patients died during follow-up, a mortality rate of 46/1000 person-years. Older age (for each additional year, adjusted hazard ratio [aHRJ 1.13; 95%CI 1.06-1.20; p<0.001), male gender (aHR 3.45; 95%Cl 1.27-9.40; p=0.015), type II MCG (aHR 3.31; 95%CI 0.09-1.38; p=0.047) and HBsAg positivity (aHR 7.84; 95%Cl 1.20-36.04; p=0.008) were independently associated with greater mortality. Conclusion. HCV-unrelated CV is a multifaceted and often disabling disorder. The associated conditions influence its clinical severity, giving rise to significantly different clinical and laboratory profiles and outcomes.

HCV-unrelated cryoglobulinaemic vasculitis: the results of a prospective observational study by the Italian Group for the Study of Cryoglobulinaemias (GISC) / Galli, Massimo; Oreni, Letizia; Saccardo, Francesco; Castelnovo, Laura; Filippini, Davide; Marson, Piero; Mascia, Maria Teresa; Mazzaro, Cesare; Origgi, Laura; Ossi, Elena; Pietrogrande, Maurizio; Pioltelli, Piero; Quartuccio, Luca; Scarpato, Salvatore; Sollima, Salvatore; Riva, Agostino; Fraticelli, Paolo; Zani, Roberta; Giuggioli, Dilia; Sebastiani, Marco; Sarzi Puttini, Piercarlo; Gabrielli, Armando; Zignego, Anna Linda; Scaini, Patrizia; Ferri, Clodoveo; De Vita, Salvatore; Monti, Giuseppe. - In: CLINICAL AND EXPERIMENTAL RHEUMATOLOGY. - ISSN 0392-856X. - 35:1(2017), pp. 67-76.

HCV-unrelated cryoglobulinaemic vasculitis: the results of a prospective observational study by the Italian Group for the Study of Cryoglobulinaemias (GISC)

MASCIA, Maria Teresa;GIUGGIOLI, DILIA;SEBASTIANI, Marco;FERRI, Clodoveo;
2017

Abstract

Objective. To investigate the clinical and laboratory patterns of HCV-unrelated cryoglobulinaemic vasculitis (CV), and the factors influencing its outcome. Methods. Prospective study of all anti-HCV and HCV-RNA negative patients with CV who have been observed since January 2004 in 17 centres participating in the Italian Group for the Study of Cryoglobulinaemias (GISC). Results. 175 enrolled were followed up for 677 person-years. The associated conditions were primary Sjogren's syndrome (21.1%), SLE (10.9%), other autoimmune disorders (10.9%), lymphoproliferative diseases (6.8%), solid tumours (2.3%) and HBsAg positivity (8.6%), whereas 69 patients (39.4%) had essential CV. There were significant differences in age (p<0.001), gender (p=0.002), the presence of purpura (p=0.005), arthralgia (p=0.009), liver abnormalities (p<0.001), sicca syndrome (p<0.001), lymphadenopathy (p=0.003), splenomegaly (p=0.002), and rheumatoid factor titres (p<0.001) among these groups. Type II mixed cryoglobulins were present in 96 cases (54.9%) and were independently associated with purpura and fatigue (odds ratio [OR14.3; 95% confidence interval [CI] 1.8-10.2; p=0.001; and OR2.8; 95%CI 1.3-6.3; p=0.012). Thirty-one patients died during follow-up, a mortality rate of 46/1000 person-years. Older age (for each additional year, adjusted hazard ratio [aHRJ 1.13; 95%CI 1.06-1.20; p<0.001), male gender (aHR 3.45; 95%Cl 1.27-9.40; p=0.015), type II MCG (aHR 3.31; 95%CI 0.09-1.38; p=0.047) and HBsAg positivity (aHR 7.84; 95%Cl 1.20-36.04; p=0.008) were independently associated with greater mortality. Conclusion. HCV-unrelated CV is a multifaceted and often disabling disorder. The associated conditions influence its clinical severity, giving rise to significantly different clinical and laboratory profiles and outcomes.
2017
19-apr-2017
35
1
67
76
HCV-unrelated cryoglobulinaemic vasculitis: the results of a prospective observational study by the Italian Group for the Study of Cryoglobulinaemias (GISC) / Galli, Massimo; Oreni, Letizia; Saccardo, Francesco; Castelnovo, Laura; Filippini, Davide; Marson, Piero; Mascia, Maria Teresa; Mazzaro, Cesare; Origgi, Laura; Ossi, Elena; Pietrogrande, Maurizio; Pioltelli, Piero; Quartuccio, Luca; Scarpato, Salvatore; Sollima, Salvatore; Riva, Agostino; Fraticelli, Paolo; Zani, Roberta; Giuggioli, Dilia; Sebastiani, Marco; Sarzi Puttini, Piercarlo; Gabrielli, Armando; Zignego, Anna Linda; Scaini, Patrizia; Ferri, Clodoveo; De Vita, Salvatore; Monti, Giuseppe. - In: CLINICAL AND EXPERIMENTAL RHEUMATOLOGY. - ISSN 0392-856X. - 35:1(2017), pp. 67-76.
Galli, Massimo; Oreni, Letizia; Saccardo, Francesco; Castelnovo, Laura; Filippini, Davide; Marson, Piero; Mascia, Maria Teresa; Mazzaro, Cesare; Origg...espandi
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