RESUMEN
Renewed interest has emerged in transplant-associated thrombotic microangiopathy (TA-TMA) with novel prognostic, diagnostic, and treatment algorithms. We aimed to investigate the incidence, prognostic factors, morbidity, and mortality of TA-TMA in allogeneic hematopoietic cell transplantation (HCT) recipients. We enrolled consecutive HCT recipients (1990-2017). Among 758 patients, 116 (15.5%) were diagnosed with TA-TMA. In the multivariate analysis, TBI-based conditioning, viral infections, acute and chronic GVHD remained independent predictors of TA-TMA. With a median follow-up of 23 (range 0.1-329) months, TA-TMA resulted in significantly lower overall survival (OS). In the multivariate analysis, TA-TMA remained an independent predictor of OS, along with relapse, acute, and chronic GVHD. Among 116 TA-TMA patients, 70 developed renal (56) and/or neurologic (26) dysfunction that would be necessary for TA-TMA diagnosis according to the Bone Marrow Transplant Clinical Trials Network criteria. TA-TMA patients with renal dysfunction showed increased rates of acute GVHD, but no difference in OS compared to patients without renal dysfunction. However, neurologic dysfunction resulted in significantly lower OS. In conclusion, TA-TMA is associated with increased morbidity and mortality in allogeneic transplant recipients. Successful prevention and treatment strategies of infections and GVHD need to be timely employed to improve survival in this complex setting.
Asunto(s)
Rechazo de Injerto/mortalidad , Enfermedad Injerto contra Huésped/mortalidad , Enfermedades Hematológicas/terapia , Trasplante de Células Madre Hematopoyéticas/mortalidad , Microangiopatías Trombóticas/mortalidad , Adulto , Femenino , Estudios de Seguimiento , Rechazo de Injerto/epidemiología , Rechazo de Injerto/etiología , Rechazo de Injerto/patología , Supervivencia de Injerto , Enfermedad Injerto contra Huésped/epidemiología , Enfermedad Injerto contra Huésped/etiología , Enfermedad Injerto contra Huésped/patología , Grecia/epidemiología , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Humanos , Incidencia , Masculino , Morbilidad , Pronóstico , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia , Microangiopatías Trombóticas/epidemiología , Microangiopatías Trombóticas/etiología , Microangiopatías Trombóticas/patología , Trasplante HomólogoRESUMEN
Kikuchi-Fujimoto disease (KFD) is a benign and self-limited disease of unknown etiology that affects mainly young women. It presents with localized lymphadenopathy, usually cervical, accompanied with fever, night sweats, and leucopenia. KFD has been rarely described in association with autoimmune disorders, mainly systemic lupus erythematosus (SLE). We report the case of a young patient presenting with KFD coinciding with SLE. The association of KFD and SLE is reviewed. Moreover, a possible pathogenetic role of Ebstein-Barr virus linking the two clinical entities is discussed.