Evidence map›Paper›PMID 28680575›Full record

ArticlePulmonary circulation2017

Challenges in the development of chronic pulmonary hypertension models in large animals.

Abraham Rothman, Robert G Wiencek, Stephanie Davidson, William N Evans, Humberto Restrepo, Valeri Sarukhanov, David Mann

Open access · hybridAbstract read
In one paragraph

Article in Pulmonary circulation, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
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

12 citing papers in PubMed, 16 citations in OpenAlex.

  1. Animal models of chronic thromboembolic pulmonary hypertension.Animal models and experimental medicine · 2026
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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 4 institutions in 1 country.

Abraham RothmanChildren's Heart Center Nevada, Las Vegas, NV, USA.
Robert G WiencekStanford University, Department of Cardiothoracic Surgery, Cardiothoracic Dignity Healthcare, Las Vegas, NV, USA.
Stephanie DavidsonAnesthesiologist Consultants Inc., Las Vegas, NV, USA.
William N EvansChildren's Heart Center Nevada, Las Vegas, NV, USA.
Humberto RestrepoChildren's Heart Center Nevada, Las Vegas, NV, USA.
Valeri SarukhanovChildren's Heart Center Nevada, Las Vegas, NV, USA.
David MannVascular BioSciences, Goleta, CA, USA.
Children's Heart Center Nevada · USUniversity of Nevada, Las Vegas · USStanford University · USVascular BioSciences (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pulmonary hypertension (PH) results in significant morbidity and mortality. Chronic PH animal models may advance the study of PH's mechanisms, evolution, and therapy. In this report, we describe the challenges and successes in developing three models of chronic PH in large animals: two models (one canine and one swine) utilized repeated infusions of ceramic microspheres into the pulmonary vascular bed, and the third model employed a surgical aorto-pulmonary shunt. In the canine model, seven dogs underwent microsphere infusions that resulted in progressive elevation of pulmonary arterial pressure over a few months. In this model, pulmonary endoarterial tissue was obtained for histology. In the aorto-pulmonary shunt swine model, 17 pigs developed systemic level pulmonary pressures after 2-3 months. In this model, pulmonary endoarterial tissue was sequentially obtained to assess for changes in gene and microRNA expression. In the swine microsphere infusion model, three pigs developed only a modest chronic increase in pulmonary arterial pressure, despite repeated infusions of microspheres (up to 40 in one animal). The main purpose of this model was for vasodilator testing, which was performed successfully immediately after acute microsphere infusions. Chronic PH in large animal models can be successfully created; however, a model's characteristics need to match the investigational goals.

Indexed as

animal modelsaorto-pulmonary shuntceramic microsphere infusionpulmonary hypertension

Identifiers

PMID28680575
PMCPMC5448539
OpenAlexW2552698098

What OpenQuestion holds

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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.