Clinical Profile of Levamisole-Adulterated Cocaine-Induced Vasculitis/Vasculopathy: A 30-Case Series

Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases
Carlos Horacio Muñoz-VahosAdriana Lucía Vanegas-García

Abstract

The aims of this study were to describe clinical and laboratory manifestations of patients with levamisole-adulterated cocaine-induced vasculitis/vasculopathy and to propose a skin classification according to the distribution and severity of lesions. We report the characteristics of 30 patients admitted with levamisole-adulterated cocaine-induced vasculitis/vasculopathy in 4 high-complexity institutions in Colombia, from December 2010 to May 2017. We compare our findings with the main published series. Median age was 31 years (interquartile range, 27-38 years) with a male-to-female ratio of 5:1. Eighty-three percent of the patients had retiform purpura affecting the limbs, buttocks, face, or abdomen; 73% had ear necrosis, 50% cutaneous ulcers, 17% genital necrosis, 13% oral ulcers, and 10% digital necrosis. Cutaneous involvement was classified according to the frequency of the compromised corporal area, and purpuric lesions were stratified in 4 grades of severity. Anti-neutrophil cytoplasmic autoantibodies were positive in 85% of the cases, lupus anticoagulant in 73%, and antinuclear autoantibodies in 57%; rheumatoid factor was negative in all cases. We found nephritis in 17 cases (57%). Prednisolone was used in most of the pat...Continue Reading

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