ArticleFrontiers in cardiovascular medicine2025
Case Report: Pericardial tamponade during left ventricular radiofrequency ablation with spontaneous hemostasis.
Article in Frontiers in cardiovascular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Pericardial tamponade is a rare but life-threatening complication of catheter ablation for ventricular arrhythmias. While overt perforation-often steam-pop related-is classically implicated, alternative bleeding mechanisms are less well defined. Case: A 66-year-old man underwent left ventricular (LV) ablation for frequent idiopathic premature ventricular beats (34.3%). RF energy (30-40 W, ≤90 s) at the LV anterior wall markedly suppressed ectopy, followed by abrupt chest discomfort and hypotension. Fluoroscopy suggested pericardial effusion; emergent pericardiocentesis yielded 150 ml of bright red, arterialized blood with rapid hemodynamic recovery. Biventricular angiography showed no contrast extravasation, and serial echocardiography confirmed no recurrent effusion. The patient stabilized with indwelling drainage and was discharged uneventfully. Conclusion: Tamponade during LV ablation may occur without overt perforation. Prompt recognition and targeted drainage can be definitive when bleeding is self-limited.
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