Evidence map›Paper›PMID 28118265›Full record

ArticleASAIO journal (American Society for Artificial Internal Organs : 1992)

Intermittent Aortic Valve Opening and Risk of Thrombosis in Ventricular Assist Device Patients.

Claudius Mahr, Venkat Keshav Chivukula, Patrick McGah, Anthony R Prisco, Jennifer A Beckman, Nahush A Mokadam, Alberto Aliseda

Abstract read
In one paragraph

Article in ASAIO journal (American Society for Artificial Internal Organs : 1992). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.7field-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

14 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
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  6. Review
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  13. Small Left Ventricular Size Is an Independent Risk Factor for Ventricular Assist Device Thrombosis.ASAIO journal (American Society for Artificial Internal Organs : 1992) · 2019
    Article
  14. 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

7 authors at 1 institution in 1 country.

Claudius MahrFrom the *Division of Cardiology, Department of Medicine, University of Washington, Seattle, Washington; †Department of Mechanical Engineering, University of Washington, Seattle, Washington; ‡Department of Internal Medicine, University of Minnesota, Minneapolis, Minnesota; and §Division of Cardiothoracic Surgery, Department of Surgery, University of Washington, Seattle, Washington.
Venkat Keshav Chivukula
Patrick McGah
Anthony R Prisco
Jennifer A Beckman
Nahush A Mokadam
Alberto Aliseda
University of Washington · US

Funding

A DOPPLER SIMULATOR FOR VASCULAR ULTRASOUND TRAININGR42EB018124 · NIBIB · SHEEHAN MEDICAL, LLC · PI ANDERSON, MARK, LEOTTA, DANIEL F · 2015 to 2016
$1.1M
NIBIB NIH HHS R42 EB018124
6 · The paper itself

Abstract

The current study evaluates quantitatively the impact that intermittent aortic valve (AV) opening has on the thrombogenicity in the aortic arch region for patients under left ventricular assist device (LVAD) therapy. The influence of flow through the AV, opening once every five cardiac cycles, on the flow patterns in the ascending aortic is measured in a patient-derived computed tomography image-based model, after LVAD implantation. The mechanical environment of flowing platelets is investigated, by statistical treatment of outliers in Lagrangian particle tracking, and thrombogenesis metrics (platelet residence times and activation state characterized by shear stress accumulation) are compared for the cases of closed AV versus intermittent AV opening. All hemodynamics metrics are improved by AV opening, even at a reduced frequency and flow rate. Residence times of platelets or microthrombi are reduced significantly by transvalvular flow, as are the shear stress history experienced and the shear stress magnitude and gradients on the aortic root endothelium. The findings of this device-neutral study support the multiple advantages of management that enables AV opening, providing a rationale for establishing this as a standard in long-term treatment and care for advanced heart failure patients.

Indexed as

Aortic ValveHeart-Assist DevicesHeart FailureHemodynamicsHumansThrombosis

Identifiers

PMID28118265
PMCPMC5489364
OpenAlexW2580168670

What OpenQuestion holds

Textmetadata
LicenceTDM
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.