Evidence map›Paper›PMID 30948410›Full record

ArticleBMJ case reports2019

Takotsubo twins.

Christina Ekenbäck, Per Tornvall, Jonas Spaak

Open access · greenAbstract readCase Reports
In one paragraph

Article in BMJ case reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 23% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Genetic and Epigenetic Factors of Takotsubo Syndrome: A Systematic Review.International journal of molecular sciences · 2021
    Pooled it
  2. A Genome-Wide Association Study of Takotsubo Syndrome.JACC. Basic to translational science · 2026
    Article
  3. Article
  4. Review
  5. Article
  6. Review
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

3 authors at 2 institutions in 1 country.

Christina EkenbäckCardiology, Danderyd Hospital, Stockholm, Sweden.
Per TornvallDepartment of Clinical Science and Education, Sodersjukhuset, Karolinska Institutet, Stockholm, Sweden.
Jonas SpaakCardiology, Danderyd Hospital, Stockholm, Sweden.
Karolinska Institutet · SEDanderyds sjukhus · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Takotsubo syndrome is an intriguing condition of often stress induced reversible cardiac dysfunction mimicking myocardial infarction, but without explanatory coronary obstructions. The pathogenesis of the syndrome is not yet fully understood, though altered sympathetic regulation or response to cardiac sympathetic stimuli is likely to be involved. We present a unique and clinically detailed report of identical twin sisters, who both developed Takotsubo syndrome in association to mental stress shortly after menopause, also covering a potential relapse of disease in one of the twins, supporting the theory of a genetic contribution to the development of the syndrome proposed by previous case reports and small genetic studies.

Indexed as

Genetic Predisposition to DiseaseElectrocardiographyFemaleHumansMagnetic Resonance AngiographyMiddle AgedStress, PsychologicalTakotsubo CardiomyopathyTwins, Monozygoticcardiovascular medicinegeneticsheart failureradiology (diagnostics)

Identifiers

PMID30948410
PMCPMC6453432
OpenAlexW4206457234

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.