Low C3 Serum Levels Predict Severe Forms of STEC-HUS With Neurologic Involvement

Frontiers in Medicine
Giuseppe Stefano NettiMario Giordano

Abstract

Background: The correlation between the severity of hemolytic uremic syndrome related to Shiga toxin-producing Escherichia coli (STEC-HUS) and involvement of the complement system has been examined in a small number of studies, with conflicting results. In the present study, we investigated whether serum C3 levels on admission are associated with neurologic involvement. Methods: To this purpose, 68 consecutive STEC-HUS patients were recruited and main clinical and laboratory variables ad hospital admission were compared between those with or without neurologic involvement. Results: STEC-HUS patients who developed neurologic involvement (NI) showed significant higher leukocyte count, C-reactive protein and hemoglobin, and lower sodium levels as compared with those without. Interestingly, baseline serum levels of C3 were significantly lower in patients with NI as compared with those without (p < 0.001). Moreover, when stratified according to need of Eculizumab rescue therapy due to severe NI, patients treated with this drug showed baseline C3 serum levels significantly lower than those who were not (p < 0.001). Low C3 was independent risk factor for NI in our patients' population when entered as covariate in a multivariate logist...Continue Reading

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Dec 19, 2020·Journal of Clinical Medicine·Alessandra StasiGiuseppe Stefano Netti

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Methods Mentioned

BETA
PCR
nuclear magnetic resonance

Software Mentioned

SPSS

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