ArticleFrontiers in oncology2025
Immune-related myocarditis characterized by malignant arrhythmia caused by conduction system involvement: case report and literature review.
Article in Frontiers in oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Development and external validation of a multivariable nomogram for predicting severe immune checkpoint inhibitor-associated myocarditis in advanced lung cancer.Translational lung cancer research · 2026Article
- Electrocardiographic changes in immune checkpoint inhibitor-associated cardiac injury: a narrative review.Cardiovascular diagnosis and therapy · 2026Review
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4 authors.
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Abstract
Immune checkpoint inhibitor (ICI)-related myocarditis has a low incidence but an extremely high mortality rate, and malignant arrhythmia caused by ICI therapy is even rarer. We report our experience of two patients with myocarditis with conduction system involvement after ICI therapy. Both patients developed myocarditis within a short period after the first ICI dose and they predominantly had conduction bundle involvement with minimal myocardial damage. One patient rapidly progressed from sinus rhythm to complete atrioventricular block, and the patient's symptoms improved only after pacemaker implantation. The other patient experienced paroxysmal ventricular tachycardia, which was controlled by synchronous corticosteroid therapy. Despite the strong immune side effects caused by ICIs, both patients achieved good clinical outcomes. We also conducted a literature search to explore the pathological mechanisms underpining immune-related myocarditis, as well as discussing the treatment strategies for immune-related myocarditis with conduction system involvement.
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