Clinical and laboratory features of 58 patients with positive cryoglobulin / 中华全科医师杂志
Wen WEN; Chun LI; Rulin JIA; Zhanguo LI.
Chinese Journal of General Practitioners
; (6): 286-290, 2016.
Artículo
en Zh
| WPRIM | ID: wpr-494226
Objective To study the disease spectrum,clinical and lab characteristic of cryoglobulinaemia.Methods The clinical and laboratory data of 58 patients with positive cryoglobulin admitted in Peking University People's Hospital from April 2010 to May 2014 were retrospectively analyzed.Results Among 58 patients,34 were diagnosed as autoimmune disease,8 as infectious disease,4 as hematological disease and 12 as primary cryoglobulinemia.Renal involvement was the most frequent clinical presentation among all cryoglobulin positive patients.Patients with autoimmune disease presented all clinical manifestations related to cryoglobulinaemia.Renal involvement (7/8) was prominent in patients with HBV/HCV infection,while other clinical presentations were rare.Among 4 patients with hematological disease,purpura was presented in 3 cases,renal involvement in 2,arthralgia in 2,fatigue,thrombosis or hyperviscosity was presented in 1 case,respectively;however,none of these patients had elevated rheumatoid factor (RF) level.Renal lesions were the most common reason for patients with primary cryoglobulinaemia to consult doctors,and 5 of them had positive antinuclear antibodies (ANA).Conclusions There is a broad spectrum of disease in cryoglobulinaemia.Multi-system involvement was most common in patients with autoimmune disease.For patients with HBV/HCV infection,extra-hepatic presentations were rare except renal involvement.Hyperviscosity syndrome tended to occur in patients with hematological disease.Since patients with primary cryoglobulinaemia had a relatively high rate of positive antinuclear antibodies,we should keep vigilance at the occurrence of autoimmune disease.
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