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Manrique-Caballero CL, Peerapornratana S, Formeck C, Del Rio-Pertuz G, Gomez Danies H, Kellum JA. Typical and Atypical Hemolytic Uremic Syndrome in the Critically Ill. Crit Care Clin 2020; 36:333-356. [PMID: 32172817 DOI: 10.1016/j.ccc.2019.11.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Hemolytic uremic syndrome is characterized by microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. Disseminated intravascular coagulation, thrombotic thrombocytopenic purpura, and hemolytic uremic syndrome have a similar clinical presentation. Diagnostic needs to be prompt to decrease mortality, because identifying the different disorders can help to tailor specific, effective therapies. However, diagnosis is challenging and morbidity and mortality remain high, especially in the critically ill population. Development of clinical prediction scores and rapid diagnostic tests for hemolytic uremic syndrome based on mechanistic knowledge are needed to facilitate early diagnosis and assign timely specific treatments to patients with hemolytic uremic syndrome variants.
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Affiliation(s)
- Carlos L Manrique-Caballero
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA
| | - Sadudee Peerapornratana
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA; Excellence Center for Critical Care Nephrology, Division of Nephrology, Department of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok 10330, Thailand; Department of Laboratory Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok 10330, Thailand
| | - Cassandra Formeck
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA; Department of Nephrology, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Floor 3, Pittsburgh, PA 15224, USA
| | - Gaspar Del Rio-Pertuz
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA
| | - Hernando Gomez Danies
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA
| | - John A Kellum
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3347 Forbes Avenue Suite 220, Pittsburgh, PA 15213, USA; The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA.
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Key L, Hijano DR, Arnold SR. A Toddler With Fever, Melena, and Renal Failure. Clin Pediatr (Phila) 2019; 58:367-370. [PMID: 30501507 DOI: 10.1177/0009922818816505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Logan Key
- University of Tennessee Health Science Center, Memphis, TN, USA.,Le Bonheur Children's Hospital, Memphis, TN, USA
| | | | - Sandra R Arnold
- University of Tennessee Health Science Center, Memphis, TN, USA.,Le Bonheur Children's Hospital, Memphis, TN, USA
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Singh AK, Osman AS, Woodiga SA, White P, Mahan JD, King SJ. Defining the role of pneumococcal neuraminidases and O-glycosidase in pneumococcal haemolytic uraemic syndrome. J Med Microbiol 2016; 65:975-984. [PMID: 27469261 DOI: 10.1099/jmm.0.000322] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The host and bacterial factors that lead to development of pneumococcal haemolytic uraemic syndrome (pHUS) remain poorly defined; however, it is widely believed that pneumococcal exposure of the Thomsen-Friedenreich antigen (T-antigen) on host surfaces is a key step in pathogenesis. Two enzymatic activities encoded by pneumococci determine the level of T-antigen exposed. Neuraminidases cleave terminal sialic acid to expose the T-antigen which is subsequently cleaved by O-glycosidase Eng. While a handful of studies have examined the role of neuraminidases in T-antigen exposure, no studies have addressed the potential role of O-glycosidase. This study used 29 pHUS isolates from the USA and 31 serotype-matched controls. All isolates contained eng, and no significant correlation between enzymatic activity and disease state (pHUS and blood non-pHUS isolates) was observed. A prior study from Taiwan suggested that neuraminidase NanC contributes to the development of pHUS. However, we observed no difference in nanC distribution. Similar to previously published data, we found no significant correlation between neuraminidase activity and disease state. Accurate quantification of these enzymatic activities from bacteria grown in whole blood is currently impossible, but we confirmed that there were no significant correlations between disease state and neuraminidase and O-glycosidase transcript levels after incubation in blood. Genomic sequencing of six pHUS isolates did not identify any genetic elements possibly contributing to haemolytic uraemic syndrome. These findings support the hypothesis that while exposure of T-antigen may be an important step in disease pathogenesis, host factors likely play a substantial role in determining which individuals develop haemolytic uraemic syndrome after pneumococcal invasive disease.
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Affiliation(s)
- Anirudh K Singh
- Center for Microbial Pathogenesis, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Amin S Osman
- Center for Microbial Pathogenesis, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Shireen A Woodiga
- Center for Microbial Pathogenesis, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Peter White
- Center for Microbial Pathogenesis, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA.,Department of Pediatrics, Ohio State University College of Medicine, Columbus, OH, USA
| | - John D Mahan
- Department of Pediatrics, Ohio State University College of Medicine, Columbus, OH, USA.,Department of Nephrology, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Samantha J King
- Center for Microbial Pathogenesis, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA.,Department of Pediatrics, Ohio State University College of Medicine, Columbus, OH, USA
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