México
Antecedentes Anticuerpos antifosfatidilserina/protrombina (aPS/PT) han sido descritos en poliarteritis nodosa (PAN) cutánea, en asociación con manifestaciones específicas.
Objetivos Determinar anticuerpos aPS/PT en pacientes con PAN y analizar su correlación con manifestaciones clínicas.
Métodos Estudio transversal comparativo de pacientes con PAN y 20 controles (10 con poliangitis microscópica [PAM] y 10 con enfermedad de Behçet [EB]). Se evaluaron variables demográficas, clínicas, serológicas y tratamiento; índices de pronóstico, actividad y daño. Se determinaron anticuerpos aPS/PT, anticardiolipina (aCL), anti-beta 2 glicoproteína 1 (anti-B2GP1) y anticoagulante lúpico (AL).
Resultados Fueron incluidos 14 pacientes con PAN, 11 (79%) mujeres, con duración de la enfermedad de 207 meses, y principalmente enfermedad inactiva. Sólo un paciente con PAN y uno con EB fueron positivos para aPS/PT IgG. El anticuerpo antifosfolípido más frecuente fue AL. Un paciente con PAM y uno con EB fueron positivos para aCL IgM; uno con PAM para anti-B2GP1 IgG, uno con PAN para anti-B2GP1 IgM.
Conclusiones Los anticuerpos aPS/PT son infrecuentes en pacientes con PAN inactiva de larga evolución.
Introduction Anti-phosphatidylserine/prothrombin (aPS/PT) antibodies have been described in cutaneous Polyarteritis Nodosa (PAN) in association with specific manifestations.
Objectives To determine aPS/PT antibodies in patients with PAN and its correlation with clinical manifestations.
Methods Cross-sectional comparative study including PAN patients and 20 controls (10 Microscopic Polyangiitis [MPA] and 10 Behçet's disease [BD]). Clinical and demographic variables, treatment, serological markers, prognosis, activity and damage indexes were evaluated. aPS/PT, anti-cardiolipin (aCL), anti-beta 2 glycoprotein 1 (anti-B2GP1) antibodies, and lupus anticoagulant (LA) were determined.
Results Fourteen patients with PAN were included, 11 (79%) women, with disease duration of 207 months, and mostly inactive disease. Only one patient with PAN and one with BD were positive for aPS/PT IgG. LA was the most frequent antibody identified. One patient with MPA and one with BD were positive for aCL IgM; one with MPA for anti-B2GP1 IgG, and one with PAN for anti-B2GP1 IgM.
Conclusions aPS/PT antibodies are not frequent in patients with longstanding inactive PAN.
© 2001-2024 Fundación Dialnet · Todos los derechos reservados