Clinical heterogeneity and predictors of outcome in primary autoimmune hemolytic anemia: A GIMEMA study of 308 Patients

Wilma Barcellini, Bruno Fattizzo, Anna Zaninoni, Tommaso Radice, Ilaria Nichele, Eros Di Bona, Monia Lunghi, Cristina Tassinari, Fiorella Alfinito, Antonella Ferrari, Anna Paola Leporace, Pasquale Niscola, Monica Carpenedo, Carla Boschetti, Nicoletta Revelli, Maria Antonietta Villa, Dario Consonni, Laura Scaramucci, Paolo De Fabritiis, Giuseppe TagarielloGianluca Gaidano, Francesco Rodeghiero, Agostino Cortelezzi, Alberto Zanella

Research output: Contribution to journalArticlepeer-review

Abstract

The clinical outcome, response to treatment, and occurrence of acute complications were retrospectively investigated in 308 primary autoimmune hemolytic anemia (AIHA) cases and correlated with serological characteristics and severity of anemia at onset. Patients had been followedup for a median of 33 months (range12-372); 60% were warm AIHA, 27% cold hemagglutinin disease, 8% mixed, and 5% atypical (mostly direct antiglobulin test negative). The latter 2 categories more frequently showed a severe onset (hemoglobin [Hb] levels ≤6 g/dL) along with reticulocytopenia. The majority of warm AIHA patients received first-line steroid therapy only, whereas patients with mixed and atypical forms were more frequently treated with 2 or more therapy lines, including splenectomy, immunosuppressants, and rituximab. The cumulative incidenceofrelapse was increasedin more severe cases (hazard ratio 3.08;95% confidence interval, 1.44-6.57 for Hb ≤6 g/dL; P

Original languageEnglish
Pages (from-to)2930-2936
Number of pages7
JournalBlood
Volume124
Issue number19
DOIs
Publication statusPublished - Nov 6 2014

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology
  • Medicine(all)

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