Evidence map›Paper›PMID 27119163›Full record

ArticleThe international journal of cardiovascular imaging2016

Relationship between left atrial appendage emptying and left atrial function using cardiac magnetic resonance in patients with atrial fibrillation: comparison with transesophageal echocardiography.

Sung Ho Hwang, Yu-Whan Oh, Mi-Na Kim, Seong-Mi Park, Wan Joo Shim, Jaemin Shim, Jong-Il Choi, Young-Hoon Kim

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in The international journal of cardiovascular imaging, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.7field-weighted citation impact, top 26% of its field
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

7 citing papers in PubMed, 12 citations in OpenAlex.

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  7. Cardiovascular imaging 2016 in the International Journal of Cardiovascular Imaging.The international journal of cardiovascular imaging · 2017
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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

8 authors at 1 institution in 1 country.

Sung Ho HwangDepartment of Radiology, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, 136-705, South Korea.
Yu-Whan OhDepartment of Radiology, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, 136-705, South Korea. pubmed77@gmail.com.
Mi-Na KimDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Seong-Mi ParkDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Wan Joo ShimDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Jaemin ShimDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Jong-Il ChoiDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Young-Hoon KimDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Anam-dong 5-ga, Seongbuk-gu, Seoul, South Korea.
Korea University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To compare cardiac magnetic resonance (CMR) quantifications of left atrium (LA) function and left atrial appendage (LAA) emptying depending on the presence of LA spontaneous echogenic contrast (LA-SEC) on transesophageal echocardiography (TEE) in patients with atrial fibrillation (AF). A total of 48 patients with AF underwent sequential CMR examination and TEE in preparation for catheter ablation. The CMR protocol included cine and velocity encoding (VENC) sequences for evaluation of both LA function and LAA emptying. The peak blood velocity of LAA just before left ventricle systole was defined as the LAA emptying velocity (LAA-EV). Depending on the presence of LA-SEC on TEE, patients were divided into two groups, the SEC group (n = 15) and the non-SEC group (n = 33). Mean LAA-EV was significantly greater in the non-SEC group than in the SEC group (54.5 ± 24.8 ml/s vs. 26.0 ± 22.6 ml/s, P < 0.01). LAA-EV had a significant positive relationship (P < 0.05) with LAA backflow velocity, as assessed using TEE. Use of an optimal LAA-EV cutoff value of 35 ml/s to predict LA-SEC yielded a sensitivity of 80.0 %, a specificity of 75.7 %, and positive and negative predictive values of 58.8 and 83.9 %, respectively. Using VENC-CMR, LAA-EV is associated with LA function and can be useful for predicting LA-SEC in patients with AF.

Indexed as

Atrial Function, LeftEchocardiography, TransesophagealHemodynamicsMagnetic Resonance Imaging, CineAgedArea Under CurveAtrial AppendageAtrial FibrillationFeasibility StudiesFemaleHumansMaleMiddle AgedPredictive Value of TestsReproducibility of ResultsROC CurveAtrial fibrillationEchocardiographyLeft atrial appendageLeft atriumMagnetic resonance imaging

Identifiers

PMID27119163
OpenAlexW2343509839

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.