Evidence map›Paper›PMID 26860109›Full record

ArticleJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2017

Comparison of phase dyssynchrony analysis using gated myocardial perfusion imaging with four software programs: Based on the Japanese Society of Nuclear Medicine working group normal database.

Kenichi Nakajima, Koichi Okuda, Shinro Matsuo, Keisuke Kiso, Seigo Kinuya, Ernest V Garcia

Abstract readComparative StudyEvaluation Study
In one paragraph

Article in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing 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

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed.

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  11. A method using deep learning to discover new predictors from left-ventricular mechanical dyssynchrony for CRT response.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2023
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  12. The assessment of left ventricular mechanical dyssynchrony from gatedJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022
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  14. Review
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  18. Observational
  19. Mechanisms of left ventricular dyssynchrony: A multinational SPECT study of patients with bundle branch block.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021
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  20. Left ventricular mechanical dyssynchrony in patients with chest pain and normal epicardial coronary arteries.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Kenichi NakajimaDepartment of Nuclear Medicine, Kanazawa University Hospital, 13-1 Takara-machi, Kanazawa, 920-8641, Japan. nakajima@med.kanazawa-u.ac.jp.
Koichi OkudaDepartment of Physics, Kanazawa Medical University, Uchinada, Japan.
Shinro MatsuoDepartment of Nuclear Medicine, Kanazawa University Hospital, 13-1 Takara-machi, Kanazawa, 920-8641, Japan.
Keisuke KisoDepartment of Radiology, National Cardiovascular Center, Suita, Japan.
Seigo KinuyaDepartment of Nuclear Medicine, Kanazawa University Hospital, 13-1 Takara-machi, Kanazawa, 920-8641, Japan.
Ernest V GarciaDepartment of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeLeft ventricular (LV) phase dyssynchrony parameters based on gated myocardial perfusion imaging varied among software programs. The aim of this study was to determine normal ranges and factors affecting phase parameters.

methodsNormal databases were derived from the Japanese Society of Nuclear Medicine working group (n = 69). The programs were Emory Cardiac Toolbox with SyncTool (ECTb), Quantitative Gated SPECT (QGS), Heart Function View (HFV), and cardioREPO (cREPO); parameters of phase standard deviation (PSD), 95% bandwidth, and entropy were compared with parameters with ECTb as a reference.

resultsPSD (degree) was 5.3 ± 3.3 for QGS (P < .0001), 5.4 ± 2.5 for HFV (P < .0001), and 10.3 ± 3.2 for cREPO (P = n. s.) compared with 11.5 ± 5.5 for ECTb. Phase bandwidth with three programs differed significantly from ECTb. Gender differences were significant for all programs, indicating larger variation in males. After adjustment of LV volumes between genders, the difference disappeared except for QGS. The phase parameters showed wider variations in patients with the lower ejection fraction (EF) and larger LV volumes, depending on software types.

conclusionBased on normal ranges of phase dyssynchrony parameters in four software programs, dependency on genders, LV volume, and EF should be considered, indicating the need for careful comparison among different software programs.

Indexed as

AlgorithmsSoftwareAgedCardiac-Gated Single-Photon Emission Computer-Assisted TomographyDatabases, FactualFemaleGated Blood-Pool ImagingHumansImage EnhancementImage Interpretation, Computer-AssistedJapanMaleMiddle AgedReproducibility of ResultsSensitivity and SpecificityVentricular Dysfunction, LeftdyssynchronyGated myocardial perfusion imageJapanese Society of Nuclear Medicine working groupnormal databasephase

Identifiers

PMID26860109
PMCPMC5413527

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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.