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SHR Neuro Cancer Cardio Lipid Metab Microb

Odler, B; Deak, AT; Pregartner, G; Riedl, R; Bozic, J; Trummer, C; Prenner, A; Söllinger, L; Krall, M; Höflechner, L; Hebesberger, C; Boxler, MS; Berghold, A; Schemmer, P; Pilz, S; Rosenkranz, AR.
Hypomagnesemia Is a Risk Factor for Infections after Kidney Transplantation: A Retrospective Cohort Analysis.
Nutrients. 2021; 13(4): 1296 Doi: 10.3390/nu13041296 [OPEN ACCESS]
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Leading authors Med Uni Graz

Odler Balazs

Rosenkranz Alexander

Co-authors Med Uni Graz

Berghold Andrea

Deak Andras Tamas

Goritschan Anna

Hebesberger Carina Sarah

Höflechner Lukas

Krall Marcell

Pilz Stefan

Pregartner Gudrun

Riedl Regina

Schemmer Peter

Trummer Christian

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Abstract:

Magnesium (Mg²⁺) deficiency is a common finding in the early phase after kidney transplantation (KT) and has been linked to immune dysfunction and infections. Data on the association of hypomagnesemia and the rate of infections in kidney transplant recipients (KTRs) are sparse. We conducted a single-center retrospective cohort study of KTRs transplanted between 2005 and 2015. Laboratory data, including serum Mg²⁺ (median time of the Mg²⁺ measurement from KT: 29 days), rate of infections including mainly urinary tract infections (UTI), and common transplant-related viral infections (CMV, polyoma, EBV) in the early phase after KT were recorded. The primary outcome was the incidence of infections within one year after KT, while secondary outcomes were hospitalization due to infection, incidence rates of long-term (up to two years) infections, and all-cause mortality. We enrolled 376 KTRs of whom 229 patients (60.9%) suffered from Mg²⁺ deficiency defined as a serum Mg²⁺ < 0.7 mmol/L. A significantly higher incidence rate of UTIs and viral infections was observed in patients with versus without Mg²⁺ deficiency during the first year after KT (58.5% vs. 47.6%, p = 0.039 and 69.9% vs. 51.7%, p < 0.001). After adjustment for potential confounders, serum Mg²⁺ deficiency remained an independent predictor of both UTIs and viral infections (odds ratio (OR): 1.73, 95% CI: 1.04-2.86, p = 0.035 and OR: 2.05, 95% CI: 1.23-3.41, p = 0.006). No group differences according to Mg²⁺ status in hospitalizations due to infections and infection incidence rates in the 12-24 months post-transplant were observed. In the Cox regression analysis, Mg²⁺ deficiency was not significantly associated with all-cause mortality (HR: 1.15, 95% CI: 0.70-1.89, p = 0.577). KTRs suffering from Mg²⁺ deficiency are at increased risk of UTIs and viral infections in the first year after KT. Interventional studies investigating the effect of Mg²⁺ supplementation on Mg²⁺ deficiency and viral infections in KTRs are needed.

Find related publications in this database (Keywords)

magnesium

kidney transplantation

infection

urinary tract infection

viral

incidence

immunosuppression

immunity

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