Evidence map›Paper›PMID 24002782›Full record

ArticleThe international journal of cardiovascular imaging2013

Simple prediction of right ventricular ejection fraction using tricuspid annular plane systolic excursion in pulmonary hypertension.

Takahiro Sato, Ichizo Tsujino, Noriko Oyama-Manabe, Hiroshi Ohira, Yoichi M Ito, Hiroyuki Sugimori, Asuka Yamada, Chisa Takashina, Taku Watanabe, Masaharu Nishimura

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In one paragraph

Article in The international journal of cardiovascular imaging, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing 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

14 citing papers in PubMed.

  1. [Using CT to Evaluate Cardiac Function].Journal of the Korean Society of Radiology · 2024
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4 · The record

Corrections and comments

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

10 authors.

Takahiro SatoFirst Department of Medicine, Hokkaido University Hospital, North 14, West 5, Kita-ku, Sapporo, 060-8648, Japan.
Ichizo Tsujino
Noriko Oyama-Manabe
Hiroshi Ohira
Yoichi M Ito
Hiroyuki Sugimori
Asuka Yamada
Chisa Takashina
Taku Watanabe
Masaharu Nishimura

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study examined whether tricuspid annular plane systolic excursion (TAPSE) can simply predict right ventricular ejection fraction (RVEF) in patients with pulmonary hypertension (PH). The TAPSE cut-off value to predict reduced RVEF was also evaluated. The association between TAPSE and cardiac magnetic resonance imaging (CMRI)-derived RVEF was examined in 53 PH patients. The accuracy of the prediction equation to calculate RVEF using TAPSE was also evaluated. In PH patients, TAPSE was strongly correlated with CMRI-derived RVEF in PH patients (r = 0.86, p < 0.0001). We then examined the accuracy of the two equations: the original regression equation (RVEF = 2.01 × TAPSE + 0.6) and the simplified prediction equation (RVEF = 2 × TAPSE). Bland-Altman plot showed that the mean difference ± limits of agreement was 0.0 ± 10.6 for the original equation and -0.6 ± 10.6 for the simplified equation. Intraclass correlation coefficient was 0.84 for the original and 0.82 for the simplified equation. Normal RVEF was considered to be ≥40% based on the data from 53 matched controls, and the best TAPSE cut-off value to determine reduced RVEF (<40%) was calculated to be 19.7 mm (sensitivity 88.9%, specificity 84.6%). A simple equation of RVEF = 2 × TAPSE enables easy prediction of RVEF using TAPSE, an easily measurable M-mode index of echocardiography. TAPSE of 19.7 mm predicts reduced RVEF in PH patients with clinically acceptable sensitivity and specificity.

Indexed as

Stroke VolumeVentricular Function, RightAdultFemaleHumansHypertension, PulmonaryMagnetic Resonance ImagingMaleMiddle AgedModels, BiologicalPredictive Value of TestsProspective StudiesRegression AnalysisReproducibility of ResultsSystoleTricuspid Valve

Identifiers

What OpenQuestion holds

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Registered trials

None linked

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.