Evidence map›Paper›PMID 35371665›Full record

ArticleCureus2022

The Role of Immunohistochemical Markers in the Diagnosis of Early Myocardial Infarction.

Aytül Buğra, Taner Daş

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In one paragraph

Article in Cureus, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

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3citing papers in PubMed, 1 pooled it
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Aytül BuğraMorgue Department, Histopathology Unit, The Council of Forensic Medicine, Istanbul, TUR.
Taner DaşMorgue Department, Histopathology Unit, The Council of Forensic Medicine, Istanbul, TUR.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionPathological diagnosis of acute myocardial infarction can be difficult if death from ischemic injury has occurred within a short period of time. In this study, we aimed to determine the role of immunohistochemical markers in the diagnosis of early myocardial infarction.

methodsThe myocardium samples of 20 cases whose autopsies were performed at the Morgue Department of the Council of Forensic Medicine were evaluated. Hematoxylin and Eosin (H&E) stained slides and fibronectin, CD59, myoglobulin, troponin T, desmin, cathepsin S stained slides of 20 cases diagnosed with early myocardial infarction were retrospectively re-examined. The diagnosis of myocardial infarction was analyzed in two groups: Group 1: first eight hours, Group 2: 8-24 hours. The immunohistochemical staining patterns in these two groups were compared.

resultsOf the cases, 55% (n=11) had myocardial infarction consistent with the first eight hours, 45% (n=9) 8-24 hours with light microscopic examination. With fibronectin, 50% (n=10) of the cases showed Grade 1 staining, 5% (n=1) Grade 2, 15% (n=6) Grade 3 staining. The slides of three cases could not be reached. With CD59, 10% (n=2) of the cases showed Grade 1, 10% (n=2) Grade 2, 80% (n=16) Grade 3 staining. With troponin T, 50% (n=10) of the cases showed Grade 1, 45% (n=9) Grade 2, 5% (n=1) Grade 3 depletion. With cathepsin S, 10% (n=2) of the cases showed Grade 1 and 80% (n=16) Grade 3 depletion. The slides of two cases could not be reached. With desmin, 75% (n=15) had Grade 1 and 25% (n=5) Grade 2 depletion. Grade 3 depletion with myoglobulin was observed in all cases.

conclusionThe diagnosis of early myocardial infarction, which may pose a problem for the forensic pathologist, may become easier with immunohistochemical methods. In cases where morphological findings are insufficient, it is more useful for diagnosis to be applied as a panel.

Indexed as

cathepsin scd59desminfibronectinimmunohistochemistrymyocardial infarctionmyoglobulintroponin t

Identifiers

PMID35371665
PMCPMC8938247

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