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Sex Differences in Clinical Presentation and Outcomes among Patients with Complement-Gene-Variant-Mediated Thrombotic Microangiopathy.


ABSTRACT: Sex differences among patients with complement-gene-variant-mediated thrombotic microangiopathy (cTMA) are not well established. We examined demographic and clinical data from female and male patients with a history of cTMA enrolled in the Vienna thrombotic microangiopathy (TMA) cohort. Follow-up was three years after first presentation with cTMA. In this single-center study, we identified 51 patients with a first manifestation of cTMA between 1981 and 2019; 63% were female (p = 0.09). The median age at diagnosis did not differ between females and males. There was also no disparity between the sexes with regard to renal function or the need for renal replacement therapy at presentation. Furthermore, we observed similar use of plasma or eculizumab therapy and a comparable evolution of renal function of female and male patients. More females showed risk haplotypes of complement factor H (CFH) and CD46 (97% vs. 68%, p = 0.01), but there was no difference in the prevalence of rare pathogenic variants in complement-associated genes with regard to sex. In conclusion, the majority of cTMA patients enrolled in the Vienna TMA cohort were female. Clinical presentation and renal function did not differ between the sexes, but females more frequently presented with cTMA risk haplotypes.

SUBMITTER: Aigner C 

PROVIDER: S-EPMC7230736 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Sex Differences in Clinical Presentation and Outcomes among Patients with Complement-Gene-Variant-Mediated Thrombotic Microangiopathy.

Aigner Christof C   Gaggl Martina M   Kain Renate R   Prohászka Zoltán Z   Garam Nóra N   Csuka Dorottya D   Sunder-Plassmann Raute R   Piggott Leah Charlotte LC   Haninger-Vacariu Natalja N   Schmidt Alice A   Sunder-Plassmann Gere G  

Journal of clinical medicine 20200331 4


Sex differences among patients with complement-gene-variant-mediated thrombotic microangiopathy (cTMA) are not well established. We examined demographic and clinical data from female and male patients with a history of cTMA enrolled in the Vienna thrombotic microangiopathy (TMA) cohort. Follow-up was three years after first presentation with cTMA. In this single-center study, we identified 51 patients with a first manifestation of cTMA between 1981 and 2019; 63% were female (<i>p</i> = 0.09). Th  ...[more]

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