Evidence map›Paper›PMID 33608404›Full record

Observational studyBMJ open2021

Prognostic value of reduction in left atrial size during a follow-up of heart failure: an observational study.

Masayuki Shiba, Takao Kato, Takeshi Morimoto, Hidenori Yaku, Yasutaka Inuzuka, Yodo Tamaki, Neiko Ozasa, Yuta Seko, Erika Yamamoto, Yusuke Yoshikawa and 14 more

Open access · goldAbstract readObservational Study
In one paragraph

Observational study in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.8field-weighted citation impact, top 28% 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

3 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
  2. Observational
  3. Article
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

24 authors at 13 institutions in 1 country.

Masayuki ShibaDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Takao KatoDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan tkato75@kuhp.kyoto-u.ac.jp.ORCID 0000-0001-8213-7999
Takeshi MorimotoDepartment of Clinical Epidemiology, Hyogo College of Medicine, Nishinomiya, Japan.ORCID 0000-0002-6844-739X
Hidenori YakuDepartment of Cardiology, Mitsubishi Kyoto Hospital, Kyoto, Japan.
Yasutaka InuzukaCardiovascular Medicine, Shiga General Hospital, Moriyama, Japan.
Yodo TamakiDivision of Cardiology, Tenri Hospital, Tenri, Japan.
Neiko OzasaDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Yuta SekoDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Erika YamamotoDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Yusuke YoshikawaDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Takeshi KitaiDepartment of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe, Japan.
Yugo YamashitaDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
Moritake IguchiDepartment of Cardiology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan.ORCID 0000-0001-5029-1203
Kazuya NagaoDepartment of Cardiology, Osaka Red Cross Hospital, Osaka, Japan.ORCID 0000-0002-5043-8778
Yuichi KawaseDepartment of Cardiology, Kurashiki Central Hospital, Kurashiki, Japan.
Takashi MorinagaDepartment of Cardiology, Kokura Memorial Hospital, Kokura, Japan.
Mamoru ToyofukuDepartment of Cardiology, Japanese Red Cross Wakayama Medical Center, Wakayama, Japan.
Yutaka FurukawaDepartment of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe, Japan.
Kenji AndoDepartment of Cardiology, Kokura Memorial Hospital, Kokura, Japan.
Kazushige KadotaDepartment of Cardiology, Kurashiki Central Hospital, Kurashiki, Japan.
Yukihito SatoDepartment of Cardiology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan.
Koichiro KuwaharaDepartment of Cardiovascular Medicine, Shinshu University Graduate School of Medicine, Nagano, Japan.
Takeshi KimuraDepartment of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.ORCID 0000-0002-5665-4076
KCHF Study Investigators
Kyoto University · JPKobe City Medical Center General Hospital · JPKokura Memorial Hospital · JPKurashiki Central Hospital · JPHyogo Medical University · JPHyogo Prefectural Amagasaki General Medical Center · JPJapanese Red Cross Society Wakayama Medical Center · JPKyoto Medical Center · JPMitsubishi Kyoto Hospital · JPOsaka Red Cross Hospital · JPShiga Medical Center · JPShinshu University · JPTenri Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe association between sequential changes in left atrial diameter (LAD) and prognosis in heart failure (HF) remains to be elucidated. The present study aimed to investigate the link between reduction in LAD and clinical outcomes in patients with HF.

designA multicentre prospective cohort study.

settingThis study was nested from the Kyoto Congestive Heart Failure registry including consecutive patients admitted for acute decompensated heart failure (ADHF) in 19 hospitals throughout Japan.

participantsThe current study population included 673 patients with HF who underwent both baseline and 6-month follow-up echocardiography with available paired LAD data. We divided them into two groups: the reduction in the LAD group (change <0 mm) (n=398) and the no-reduction in the LAD group (change ≥0 mm) (n=275). PRIMARY AND SECONDARY OUTCOMES: The primary outcome measure was a composite of all-cause death or hospitalisation for HF during 180 days after 6-month follow-up echocardiography. The secondary outcome measures were defined as the individual components of the primary composite outcome measure and a composite of cardiovascular death or hospitalisation for HF.

resultsThe cumulative 180-day incidence of the primary outcome measure was significantly lower in the reduction in the LAD group than in the no-reduction in the LAD group (13.3% vs 22.2%, p=0.002). Even after adjusting 15 confounders, the lower risk of reduction in LAD relative to no-reduction in LAD for the primary outcome measure remained significant (HR 0.59, 95% CI 0.36 to 0.97 p=0.04).

conclusionPatients with reduction in LAD during follow-up after ADHF hospitalisation had a lower risk for a composite endpoint of all-cause death or HF hospitalisation, suggesting that the change of LAD might be a simple and useful echocardiographic marker during follow-up.

Indexed as

Heart FailureFollow-Up StudiesHumansJapanPrognosisProspective Studiesadult cardiologyechocardiographyheart failure

Identifiers

PMID33608404
PMCPMC7898840
OpenAlexW3130149577

What OpenQuestion holds

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Registered trials

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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.