Troponin Cut-Offs for Acute Myocardial Infarction in Patients with Impaired Renal Function—A Systematic Review and Meta-Analysis

Jan Kampmann*, James Heaf, Christian Backer Mogensen, Andreas Kristian Pedersen, Jeff Granhøj, Hans Mickley, Frans Kristensen

*Kontaktforfatter for dette arbejde

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Abstrakt

Identifying acute myocardial infarction in patients with renal disease is notoriously difficult, due to atypical presentation and chronically elevated troponin. The aim of this study was to identify a specific troponin T/troponin I cut-off value for diagnosis of acute myocardial infarction in patients with renal impairment via meta-analysis. Two investigators screened 2590 publications from MEDLINE, Embase, PubMed, Web of Science, and the Cochrane library. Only studies that investigated alternative cut-offs according to renal impairment were included. Fifteen articles fulfilled the inclusion criteria. Six studies were combined for meta-analysis. The manufacturer’s upper reference level for troponin T is 14 ng/L. Based on the meta-analyses, cut-off values for troponin in patients with renal impairment with myocardial infarction was 42 ng/L for troponin I and 48 ng/L for troponin T. For patients on dialysis the troponin T cut-off is even higher at 239 ng/L. A troponin I cut-off value for dialysis patients could not be established due to lack of data. The 15 studies analyzed showed considerable diversity in study design, study population, and the definition of myocardial infarction. Further studies are needed to define a reliable troponin cut-off value for patients with kidney disease, especially in dialysis patients, and to allow necessary subanalysis.

OriginalsprogEngelsk
Artikelnummer276
TidsskriftDiagnostics
Vol/bind12
Udgave nummer2
Antal sider19
ISSN2075-4418
DOI
StatusUdgivet - feb. 2022

Bibliografisk note

Funding Information:
Funding: This work was supported by The University of Southern Denmark, The Region of Southern Denmark, Hospital of Southern Jutland (funding number A67) and Knud and Edith Erichsen’s Fund.

Funding Information:
This work was supported by The University of Southern Denmark, The Region of Southern Denmark, Hospital of Southern Jutland (funding number A67) and Knud and Edith Erichsen?s Fund.

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