Evidence map›Paper›PMID 31920017›Full record

ArticleJournal of Korean medical science2020

Usefulness of an Implantable Loop Recorder in Diagnosing Unexplained Syncope and Predictors for Pacemaker Implantation.

Sung Ho Lee, Tae Hoon Kim, Yong Seog Oh, Seil Oh, Jong Il Choi, Jin Bae Kim, Jong Chun Nah, Sung Il Im, Ki Woon Kang, Seongwook Han and 1 more

Open access · goldAbstract read
In one paragraph

Article in Journal of Korean medical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 17% 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, 1 synthesis or guideline pooled it, 17 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Observational
  5. Article
  6. Diagnostic value of implantable loop recorders in patients with unexplained syncope or palpitations.Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2021
    Observational
  7. 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

11 authors at 10 institutions in 1 country.

Sung Ho Lee *Division of Cardiology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0002-1018-7871
Tae Hoon Kim *Division of Cardiology, Department of Internal Medicine, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0003-4200-3456
Yong Seog OhDivision of Cardiology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.ORCID https://orcid.org/0000-0003-3567-6505
Seil OhDivision of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0002-2504-9615
Jong Il ChoiDivision of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0001-6617-508X
Jin Bae KimDivision of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0002-0293-0901
Jong Chun NahDivision of Cardiology, Department of Internal Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea.ORCID https://orcid.org/0000-0001-8816-0719
Sung Il ImDivision of Cardiology, Department of Internal Medicine, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea.ORCID https://orcid.org/0000-0003-2544-2422
Ki Woon KangDivision of Cardiology, Department of Internal Medicine, Eulji University Hospital, Daejeon, Korea.ORCID https://orcid.org/0000-0002-1361-0022
Seongwook HanDivision of Cardiology, Department of Internal Medicine, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea.ORCID https://orcid.org/0000-0002-0496-7249
June Soo KimDivision of Cardiology, Department of Internal Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. juneskim@skku.edu.ORCID https://orcid.org/0000-0001-7569-6450
Samsung Medical Center · KRDaejeon Eulji Medical Center, Eulji University · KRInje University Seoul Paik Hospital · KRKangbuk Samsung Hospital · KRKeimyung University Dongsan Medical Center · KRKorea University · KRKosin University Gospel Hospital · KRSeoul National University Hospital · KRThe Catholic University of Korea Seoul St. Mary's Hospital · KRYonsei University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAn implantable loop recorder (ILR) is an effective tool for diagnosing unexplained syncope (US). We examined the diagnostic utility of an ILR in detecting arrhythmic causes of US and determining which clinical factors are associated with pacemaker (PM) implantation.

methodsThis retrospective, multicenter, observational study was conducted from February 2006 to April 2018 at 11 hospitals in Korea. Eligible patients with recurrent US received an ILR to diagnose recurrent syncope and document arrhythmia.

resultsA total of 173 US patients (mean age, 67.6 ± 16.5 years; 107 men [61.8%]) who received an ILR after a negative conventional workup were enrolled. During a mean follow-up of 9.4 ± 11.1 months, 52 patients (30.1%) had recurrent syncope, and syncope-correlated arrhythmia was confirmed in 34 patients (19.7%). The ILR analysis showed sinus node dysfunction in 24 patients (70.6%), supraventricular tachyarrhythmia in 4 (11.8%), ventricular arrhythmia in 4 (11.8%), and sudden atrioventricular block in 2 (5.9%). Overall, ILR detected significant arrhythmia in 99 patients (57.2%) irrespective of syncope. Among patients with clinically relevant arrhythmia detected by ILR, PM implantation was performed in 60 (34.7%), an intra-cardiac defibrillator in 5 (2.9%), and catheter ablation in 4 (2.3%). In a Cox regression analysis, history of paroxysmal atrial fibrillation (PAF) (hazard ratio [HR], 2.34; 95% confidence interval [CI], 1.33-4.12;

conclusionILR is useful for detecting syncope-correlated arrhythmia in patients with US. The risk of PM is high in US patients with a history of PAF and any BBB.

Indexed as

Pacemaker, ArtificialAgedAged, 80 and overArrhythmias, CardiacBundle-Branch BlockElectrocardiography, AmbulatoryElectrodes, ImplantedFemaleHumansMaleMiddle AgedProportional Hazards ModelsRecurrenceRepublic of KoreaRetrospective StudiesRisk FactorsImplantable Loop RecorderPacemakerUnexplained Syncope

Identifiers

PMID31920017
PMCPMC6955436
OpenAlexW2996152039

What OpenQuestion holds

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LicenceCC BY-NC
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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.