Evidence map›Paper›PMID 34233477›Full record

ArticleThe British journal of radiology2021

Analysis of left ventricular function, left ventricular outflow tract and aortic valve area using computed tomography: Influence of reconstruction parameters on measurement accuracy.

Michaela M Hell, Bettine Steinmann, Tassilo Scherkamp, Martin B Arnold, Stephan Achenbach, Mohamed Marwan

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Article in The British journal of radiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
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

5 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Michaela M HellDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
Bettine SteinmannDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
Tassilo ScherkampDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
Martin B ArnoldDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
Stephan AchenbachDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
Mohamed MarwanDepartment of Cardiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesComputed tomography (CT) allows reproducible assessment of left ventricular (LV) function, left ventricular outflow tract area (LVOT

methodsWe analyzed 45 contrast-enhanced, retrospectively ECG-gated CT datasets acquired on a third-generation dual source system. A standard filtered-back-projection data set (20 cardiac phases (5% steps, 0-95%), 0.6-mm-slice thickness, 512 × 512 matrix) and eight reconstructions with modified slice thickness (1-8 mm), number of cardiac phases (5, 10), matrix size (256×256) and an iterative reconstruction (IR) algorithm were obtained. LV parameters (ejection fraction (EF), stroke volume (SV), end-diastolic (EDV), end-systolic volumes (ESV)), LVOT

resultsDifferences in LV parameters, LVOT

conclusionsModifications of reconstruction parameters (except a slice thickness ≤2 mm) have only a marginal effect on LV, LVOT ADVANCES IN KNOWLEDGE: Substantial modifications in number of reconstructions per cardiac cycle significantly affect the assessment of LV function, LVOT

Indexed as

Image Processing, Computer-AssistedTomography, X-Ray ComputedVentricular Function, LeftAgedAged, 80 and overAortic ValveFemaleHeart VentriclesHumansMaleReproducibility of ResultsRetrospective Studies

Identifiers

PMID34233477
PMCPMC8523190

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.