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Potential role of post-transplant hypogammaglobulinemia in the risk of Clostridium difficile infection after kidney transplantation: a case-control study.

Abstract：

PURPOSE:To identify reversible risk factors for Clostridium difficile infection (CDI) after kidney transplantation (KT) that could lead to a reduction in its incidence and associated complications. METHODS:We performed a single-center case-control study in which 41 patients undergoing KT between February 2009 and July 2013 who developed a first episode of post-transplant CDI were included as cases. Patients transplanted at the same calendar day (± 2 weeks) as each case with no evidence of CDI and comparable risk exposure period were chosen as controls (2:1 ratio). Serum immunoglobulin and complement levels were systematically measured at baseline and months 1 and 6 after transplantation. RESULTS:Multivariate regression analysis identified age-adjusted Charlson comorbidity index (odds ratio [OR] per unitary increment 1.31; P value = 0.043), delayed graft function (OR 2.76; P value = 0.039), prior cytomegalovirus (CMV) disease (OR 6.85; P value = 0.011) and prior acute graft rejection (OR 5.92; P value = 0.008) as risk factors for post-transplant CDI. Cases with their first episode of CDI occurring beyond the first month were more likely to have IgG hypogammaglobulinemia (HGG) at month 1 (P value = 0.002), whereas cases with CDI beyond the sixth month were more likely to have HGG of any class at month 6 (P value = 0.003). Poor outcome (graft loss and/or all-cause mortality) was more common among cases (adjusted hazard ratio 5.69; P value = 0.001). CONCLUSION:The occurrence of CDI exerts a detrimental effect on graft and patient outcome. Post-transplant HGG was a potentially modifiable risk factor for CDI in KT recipients.

journal_name

Infection

journal_title

Infection

authors

Origüen J,Fernández-Ruiz M,Lumbreras C,Orellana MÁ,López-Medrano F,Ruiz-Merlo T,San Juan R,García-Reyne A,González E,Polanco N,Paz-Artal E,Andrés A,Aguado JM

doi

10.1007/s15010-015-0737-2

subject

Has Abstract

pub_date

2015-08-01 00:00:00

pages

413-22

issue

eissn

0300-8126

issn

1439-0973

pii

10.1007/s15010-015-0737-2

journal_volume

pub_type

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Potential role of post-transplant hypogammaglobulinemia in the risk of Clostridium difficile infection after kidney transplantation: a case-control study.