Evidence map›Paper›PMID 38348196›Full record

ArticlePulmonary circulation2024

Pulmonary artery wave intensity analysis in pulmonary hypertension associated with heart failure and reduced left ventricular ejection fraction.

Ivan H W Yim, Kim H Parker, Nigel E Drury, Hoong Sern Lim

Open access · goldAbstract read
In one paragraph

Article in Pulmonary circulation, 2024. 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
2.9field-weighted citation impact, top 9% 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, 7 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Wave intensity analysis with exercise identifies impairments in pulmonary hypertension.American journal of physiology. Heart and circulatory physiology · 2025
    Article
  5. Article
  6. Article
  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

4 authors at 2 institutions in 1 country.

Ivan H W YimDepartment of Cardiac Surgery University Hospitals Birmingham NHS Foundation Trust Birmingham UK.ORCID 0000-0003-3398-4600
Kim H ParkerDepartment of Biomedical Engineering Imperial College London UK.ORCID 0000-0001-6971-0682
Nigel E DruryDepartment of Cardiac Surgery University Hospitals Birmingham NHS Foundation Trust Birmingham UK.ORCID 0000-0001-9012-6683
Hoong Sern LimDepartment of Cardiac Surgery University Hospitals Birmingham NHS Foundation Trust Birmingham UK.ORCID 0000-0002-6569-1805
University Hospitals Birmingham NHS Foundation Trust · GBNIHR Imperial Biomedical Research Centre · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Wave intensity analysis (WIA) uses simultaneous changes in pressure and flow velocity to determine wave energy, type, and timing of traveling waves in the circulation. In this study, we characterized wave propagation in the pulmonary artery in patients with pulmonary hypertension associated with left-sided heart disease (PHLHD) and the effects of dobutamine. During right heart catheterization, pressure and velocity data were acquired using a dual-tipped pressure and Doppler flow sensor wire (Combowire; Phillips Volcano), and processed offline using customized Matlab software (MathWorks). Patients with low cardiac output underwent dobutamine challenge. Twenty patients with PHLHD (all heart failure with reduced left ventricular ejection fraction) were studied. Right ventricular systole produced a forward compression wave (FCW), followed by a forward decompression wave (FDW) during diastole. Wave reflection manifesting as backward compression wave (BCW) following the FCW was observed in 14 patients. Compared to patients without BCW, patients with BCW had higher mean pulmonary artery pressure (28.7 ±  6.12 vs. 38.6 ± 6.5 mmHg,

Indexed as

heart failurepulmonary hypertensionwave intensity analysis

Identifiers

PMID38348196
PMCPMC10859878
OpenAlexW4391758940

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.