ReviewBrain circulation
Ischemic strokes due to pulmonary arteriovenous malformations: A systematic review.
Review in Brain circulation. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
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.
Who cites it
3 citing papers in PubMed.
- Embolic Stroke of Unknown Source in a Young Patient due to Pulmonary Arteriovenous Malformation Masquerading as a Patent Foramen Ovale.CASE (Philadelphia, Pa.) · 2026Article
- Concurrent Patent Foramen Ovale and Pulmonary Arteriovenous Malformation Etiology: Complex Case of Cryptogenic Stroke.JACC. Case reports · 2026Article
- Pulmonary arteriovenous fistula: diagnosis, interventional therapy and clinical progress.Journal of cardiothoracic surgery · 2026Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPulmonary arteriovenous malformations (PAVMs) can cause acute ischemic strokes (AISs) through paradoxical embolism. The clinical and imaging features of AIS due to PAVMs have not been studied. We report a case and perform a systematic review of the clinical and imaging characteristics of patients with AIS due to PAVMs. This may provide clues to screen patients with AIS for PAVMs and treat them appropriately to prevent further strokes. MATERIALS AND
methodsMEDLINE, EMBASE, and Web of Science databases were searched from inception to October 2023. We included patients of any age with AIS attributed to PAVM. Studies without clinical data were excluded. Demographics, AIS characteristics (location and arterial territories), and PAVM characteristics (location, size, and treatment) were recorded.
resultsA 47-year-old female presented with acute vertigo and gait imbalance. Magnetic resonance imaging showed AIS in the right cerebellum. CT chest confirmed a PAVM in the right lower lobe. Endovascular coil closure was performed. We identified 102 patients from 96 records. The mean age was 47.4 ± 17 years (67% female). Seventy percent had single AIS and 30% had multiple. The location was anterior circulation in 50%, posterior in 37%, and both in 13%. The most common arterial territory was middle-cerebral (51%), followed by posterior-cerebral (25%). PAVMs were mostly single (78%) and in the lower lobes (66%). Thirty-three had hereditary hemorrhagic telangiectasia (HHT) (33%).
conclusionsPAVM-related strokes occur at a young age and may have a high propensity for multifocality and posterior circulation location. Patients with PAVMs and AIS should be screened for HHT and venous thromboses.
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