Evidence map›Paper›PMID 41817245›Full record

ArticleJACC. Case reports2026

Large PPM Lead-Associated Thrombus in a JAK2-Positive Patient.

Dean M Nelson, Cassandra Spanos, Timothy J Roberts, Mark Page, Andrew MacIsaac

Abstract readCase Reports
In one paragraph

Article in JACC. Case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

5 authors.

Dean M NelsonDepartment of Cardiology, St Vincent's Hospital Melbourne, Fitzroy, Australia. Electronic address: dean.nelson3@svha.org.au.
Cassandra SpanosDepartment of Cardiology, St Vincent's Hospital Melbourne, Fitzroy, Australia.
Timothy J RobertsDepartment of Cardiology, St Vincent's Hospital Melbourne, Fitzroy, Australia.
Mark PageSouth West Healthcare, Warrnambool, Australia.
Andrew MacIsaacDepartment of Cardiology, St Vincent's Hospital Melbourne, Fitzroy, Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIntracardiac thrombi are a complication of cardiac implantable electronic devices (CIEDs) and device leads. While the risk of pulmonary embolism exists, clinically significant pulmonary embolism is rare, possibly because of low embolism rates or small embolic material. Larger thrombi pose greater concern, yet guidelines regarding investigation and management are limited. CASE SUMMARY: We describe the investigation of a large and mobile CIED-related thrombus in a patient with previous infectious endocarditis and myeloproliferative neoplasm, including serial multimodal imaging assessment, individualized management considerations, and anticoagulation. DISCUSSION: Large intracardiac thrombi have the potential to cause significant morbidity and mortality. The investigation and management of large intracardiac thrombi is an area of cardiology that is largely evidence free. Current literature suggests strategies may involve medical or procedural approaches, but evidence is restricted to case reports. TAKE-HOME MESSAGES: Large intracardiac CIED-related thrombi remain clinically significant but poorly studied. Anticoagulation is the mainstay of treatment, however decisions are highly individualized.

Indexed as

anticoagulationcardiac pacemakerechocardiographythrombus

Identifiers

PMID41817245
PMCPMC13002528

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Registered trials

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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.