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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/178274
Thrombotic microangiopathies assessment: mind the complement.
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When faced withmicroangiopathic haemolytic anaemia, thrombocytopenia and organ dysfunction, clinicians should suspect thrombotic microangiopathy (TMA). The endothelial damage that leads to this histological lesion can be triggered by several conditions or diseases, hindering an early diagnosis and aetiological treatment. However, due to systemic involvement in TMA and its lowincidence, an accurate early diagnosis is often troublesome. In the last few decades,major improvements have been made in the pathophysiological knowledge of TMAs such as thrombotic thrombocytopenic purpura [TTP, caused by ADAMTS-13 (a disintegrin andmetalloproteinase with a thrombospondin Type 1motif,member 13) deficiency] and atypical haemolytic uraemic syndrome (aHUS, associated with dysregulation of the alternative complement pathway), together with enhancements in patientmanagement due to newdiagnostic tools and treatments. However, diagnosis of aHUS requires the exclusion of all the other entities that can cause TMA, delaying the introduction of terminal complement blockers, which have shown high efficacy in haemolysis control and especially in avoiding organ damage if used early. Importantly, there is increasing evidence that other forms of TMA could present overactivation of the complement system, worsening their clinical progression. This review addresses the diagnostic and therapeutic approach when there is clinical suspicion of TMA, emphasizing complement evaluation as a potential tool for the inclusive diagnosis of aHUS, as well as for the improvement of current knowledge of its pathophysiological involvement in other TMAs. The development of both new complement activation biomarkers and inhibitory treatments will probably improve themanagement of TMA patients in the near future, reducing response times and improving patient outcomes.
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BLASCO PELICANO, Miquel, GUILLEN, Elena, QUINTANA PORRAS, Luis f., GARCIA HERRERA, Adriana, PIÑEIRO, Gastón julio, POCH, Esteban, CARRERAS, Enric, CAMPISTOL PLANA, Josep m., DIAZ RICART, M. isabel, PALOMO, Marta. Thrombotic microangiopathies assessment: mind the complement.. _Clinical Kidney Journal_. 2020. Vol. 14, núm. 4, pàgs. 1055-1066. [consulta: 23 de gener de 2026]. ISSN: 2048-8505. [Disponible a: https://hdl.handle.net/2445/178274]