Postdiarrheal Hemolytic Uremic Syndrome in United States Children: Clinical Spectrum and Predictors of In-Hospital Death

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Abstract

To assess the clinical spectrum of postdiarrheal hemolytic uremic syndrome (D(+)HUS) hospitalizations and sought predictors of in-hospital death to help identify children at risk of poor outcomes.

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Most cited references 18

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Shifting the balance: antibiotic effects on host-microbiota mutualism.

Benjamin Willing, Shannon L. Russell, B. Brett Finlay (2011)

Antibiotics have been used effectively as a means to treat bacterial infections in humans and animals for over half a century. However, through their use, lasting alterations are being made to a mutualistic relationship that has taken millennia to evolve: the relationship between the host and its microbiota. Host-microbiota interactions are dynamic; therefore, changes in the microbiota as a consequence of antibiotic treatment can result in the dysregulation of host immune homeostasis and an increased susceptibility to disease. A better understanding of both the changes in the microbiota as a result of antibiotic treatment and the consequential changes in host immune homeostasis is imperative, so that these effects can be mitigated.

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Clinical course and the role of shiga toxin-producing Escherichia coli infection in the hemolytic-uremic syndrome in pediatric patients, 1997-2000, in Germany and Austria: a prospective study.

Angela Gerber, Helge Karch, Franz Allerberger … (2002)

Hemolytic-uremic syndrome (HUS) is mainly associated with foodborne infections by Shiga toxin-producing Escherichia coli (STEC). From January 1997 through December 2000, 394 children with HUS were evaluated in a prospective multicenter surveillance study in Germany and Austria (incidences, 0.7/100,000 and 0.4/100,000 children <15 years old, respectively). Blood leukocytosis was associated with increased detection of STEC in stool cultures (P<.01) and a more severe disease course. Risk of death was associated with cerebral involvement (P<.01). Most strikingly, non-O157:H7 STEC were detected in 43% of stool cultures of patients with HUS: O26 was detected in 15%, sorbitol-fermenting O157:H(-) in 10%, O145 in 9%, O103 in 3%, and O111 in 43%. Patients with O157:H7 serotypes required dialysis for a longer time and had bloody diarrhea detected more frequently, compared with patients with non-O157:H7 serotypes (P<.05). This large study in children with HUS underlines the rising importance of non-O157:H7 serotypes, and, despite increased public awareness, the number of patients remained unchanged.

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The central Scotland Escherichia coli O157:H7 outbreak: risk factors for the hemolytic uremic syndrome and death among hospitalized patients.

Aadel Chaudhuri, S Dundas, Craig S Hutchinson … (2001)

Little is known about risk factors for complications of Escherichia coli O157:H7 infection in adults. The 1996 outbreak in central Scotland involved the largest number of adult case patients in whom hemolytic uremic syndrome (HUS) developed and, ultimately, the largest number of deaths associated with E. coli O157:H7 infection that has yet been recorded. We investigated risk factors for HUS in a retrospective study of all hospitalized case patients in this outbreak. Of 120 case patients, 34 had HUS develop, 28 of whom were adults. Sixteen adults died. Significant risk factors for HUS were age 65 years (odds ratio [OR], 4.4; 95% confidence interval [CI], 1.3-14.4), hypochlorhydria (OR, 6.7; 95% CI, 1.9-24.0), and coincidental antibiotics (OR, 4.7; 95% CI 1.4-16.5). Factors associated with HUS were as follows: white blood cell count >20 x 10(9) cells/L (OR, 8.25; 95% CI, 1.1-60.3), neutrophil count >15 x 10(9) cells/L (OR, 8.5; 95% CI, 1.5-50.1), and serum albumin level 65 years of age. Early identification of risk factors for HUS is vital and could select case patients for trials of preventative and treatment therapies.