{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T18:55:06Z","timestamp":1772218506871,"version":"3.50.1"},"reference-count":12,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2023,11,27]],"date-time":"2023-11-27T00:00:00Z","timestamp":1701043200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Radiofrequency ablation (RFA) is the most effective non-pharmacological approach in the reduction of ventricular tachycardia (VT) recurrence. However, it is crucial to thoroughly screen every patient for contraindications for RFA and provide appropriate pharmacological prophylaxis, if needed, since adverse effects may be fatal.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>A 77-year-old male with multi-vessel coronary artery disease, heart failure with reduced ejection fraction (New York Heart Association (NYHA) Class III), with implantable cardioverter-defibrillator was admitted to our clinic due to recurrent life-threatening VT. The patient presented several concomitant diseases: dyslipidaemia, hypertension, and chronic kidney disease in Stage IIIB. He had a history of two myocardial infarctions and coronary artery bypass grafts complicated by mediastinitis and dehiscence of a sternotomy scar (2013). Radiofrequency ablation and pace mapping of VT were performed in sterile conditions, but no pre-operative antibiotic prophylaxis was administered. There were no local or general complications in the post-operative period. The patient was discharged from the clinic in good condition. A week later, the patient suffered from septic shock and infective endocarditis of mitral valve complicated with infiltration of the ventricular septum, wall dissection of the left ventricle (LV), pseudoaneurysm, and abscess of the LV. At the time of the second hospitalization extensive dental carries were found and oral cavity sanitation was performed. Due to the severity of the condition, patient did not survive.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Oral cavity infections are common but often overlooked, mainly when the RFA procedure is urgent. A thorough physical examination, including a dental check-up, is crucial to minimize the risk of potential infection of the endocardial tissue and maximize the benefits of the therapy. Still, it is possible that the myocardial infection was not a result of oral cavity infection but a result of other undiagnosed and untreated infection. Contamination of the procedure site with patients\u2019 own microbiota or foreign microorganisms by the medical personnel is also a likely and unfortunate scenario. The presented case highlights the significance of not only prophylaxis, screening, and treatment of possible inflammation sites before RFA but also the need for sustaining sanitary standards and sterile conditions.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytad604","type":"journal-article","created":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T07:02:41Z","timestamp":1701154961000},"source":"Crossref","is-referenced-by-count":2,"title":["\u2018A series of unfortunate events\u2019: a case report of infective endocarditis resulting from ventricular arrhythmia ablation"],"prefix":"10.1093","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7205-3900","authenticated-orcid":false,"given":"Maria","family":"Stec","sequence":"first","affiliation":[{"name":"First Department of Cardiology, School of Medicine in Katowice, Medical University od Silesia , Zio\u0142owa 47, 40-635 Katowice , Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominika","family":"Dziadosz","sequence":"additional","affiliation":[{"name":"First Department of Cardiology, School of Medicine in Katowice, Medical University od Silesia , Zio\u0142owa 47, 40-635 Katowice , Poland"},{"name":"First Department of Cardiology, Upper Silesian Medical Centre, School of Medicine in Katowice, Medical University of Silesia , 40-055 Katowice , Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6907-2799","authenticated-orcid":false,"given":"Katarzyna","family":"Mizia-Stec","sequence":"additional","affiliation":[{"name":"First Department of Cardiology, Upper Silesian Medical Centre, School of Medicine in Katowice, Medical University of Silesia , 40-055 Katowice , 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