Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Füreder, W; Sperr, WR; Heibl, S; Zebisch, A; Pfeilstöcker, M; Stefanzl, G; Jäger, E; Greiner, G; Schwarzinger, I; Kundi, M; Keil, F; Hoermann, G; Bettelheim, P; Valent, P.
Prognostic factors and follow-up parameters in patients with paroxysmal nocturnal hemoglobinuria (PNH): experience of the Austrian PNH network.
Ann Hematol. 2020; 99(10):2303-2313
Doi: 10.1007/s00277-020-04214-z
Web of Science
PubMed
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- Co-Autor*innen der Med Uni Graz
- Zebisch Armin
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- Abstract:
- Paroxysmal nocturnal hemoglobinuria (PNH) is a rare hematologic disease characterized by a deregulated complement system, chronic Coombs-negative, intravascular hemolysis, and a variable clinical course with substantial risk to develop thromboembolic events. We analyzed diagnostic and prognostic parameters as well as clinical endpoints in 59 adult patients suffering from PNH in 5 hematology centers in Austria (observation period: 1978-2015). Median follow-up time was 5.6 years. The median clone size at diagnosis amounted to 55% and was higher in patients with classical PNH (81%) compared to patients with PNH associated with aplastic anemia (AA) or myelodysplastic syndromes (MDS) (50%). The clone size also correlated with lactate dehydrogenase (LDH) levels. In one patient, anemia improved spontaneously and disappeared with complete normalization of LDH after 16 years. Seventeen patients received therapy with eculizumab. The rate of thromboembolic events was higher in the pre-eculizumab era compared with eculizumab-treated patients but did not correlate with the presence of age-related clonal hematopoiesis or any other clinical or laboratory parameters. Peripheral blood colony-forming progenitor cell counts were lower in PNH patients compared with healthy controls. Only two patients with classical PNH developed MDS. Overall, 7/59 patients died after 0.5-32 years. Causes of death were acute pulmonary hypertension, Budd-Chiari syndrome, and septicemia. Overall survival (OS) was mainly influenced by age and was similar to OS measured in an age-matched healthy Austrian control cohort. Together, compared with previous times, the clinical course and OS in PNH are favorable, which may be due to better diagnosis, early recognition, and eculizumab therapy.
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- Acute Kidney Injury - blood, etiology
- Adult - administration & dosage
- Anemia, Aplastic - epidemiology
- Antibodies, Monoclonal, Humanized - therapeutic use
- Austria - epidemiology
- Bone Marrow - pathology
- Cause of Death - administration & dosage
- Clone Cells - pathology
- Colony-Forming Units Assay - administration & dosage
- Combined Modality Therapy - administration & dosage
- Complement Inactivating Agents - therapeutic use
- Creatinine - blood
- Disease Progression - administration & dosage
- Female - administration & dosage
- Follow-Up Studies - administration & dosage
- Hematopoiesis - administration & dosage
- Hematopoietic Stem Cell Transplantation - administration & dosage
- Hemoglobinuria, Paroxysmal - complications, drug therapy, epidemiology, therapy
- Humans - administration & dosage
- Kaplan-Meier Estimate - administration & dosage
- Male - administration & dosage
- Middle Aged - administration & dosage
- Myelodysplastic Syndromes - epidemiology
- Pregnancy - administration & dosage
- Pregnancy Complications, Hematologic - epidemiology
- Prognosis - administration & dosage
- Thromboembolism - etiology
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- PNH
- thrombosis
- CHIP
- ARCH
- Prognosis
- Eculizumab