A case report about successful treatment of refractory ventricular tachycardia with ablation under prolonged haemodynamic support with extracorporeal membrane oxygenation

被引:2
|
作者
Najjar, Emil [1 ,2 ]
Dalen, Magnus [3 ,4 ]
Schwieler, Jonas [1 ,2 ]
Lund, Lars H. [1 ,2 ]
机构
[1] Solna Karolinska Univ Hosp D1 04, Dept Med, S-17176 Stockholm, Sweden
[2] Karolinska Univ Hosp, Cardiol Dept, Heart & Vasc Theme, Eugeniavagen 3, S-17176 Solna, Sweden
[3] Karolinska Univ Hosp, Dept Cardiothorac Surg, Eugeniavagen 3, S-17176 Solna, Sweden
[4] Karolinska Univ Hosp Solna L1 00, Dept Mol Med & Surg, Anna Stecksens Gata 53, S-17176 Stockholm, Sweden
关键词
Case report; Heart failure; Ventricular tachycardia; VT ablation; Catheter ablation; Extracorporeal membrane oxygenation; LIFE-SUPPORT; CATHETER ABLATION; ECMO; MANAGEMENT; DISEASE;
D O I
10.1093/ehjcr/ytab084
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background In patients with severe left ventricular dysfunction, recurrent ventricular tachycardia (VT) non-responsive to antiarrhythmic therapies may cause further deterioration of cardiac function and haemodynamic instability. The use of extracorporeal membrane oxygenation (ECMO) in the setting of haemodynamically unstable VT may allow rhythm stabilization and can be effective in providing haemodynamic stability during VT ablation procedures. Case summary We describe the clinical course of a patient with ischaemic cardiomyopathy and recurrent VTs in the early post-myocardial infarction (MI) period. Nineteen days after MI, the patient started to experience recurrent attacks of VT, which became more frequent and non-responsive to medical treatment including amiodarone and lidocaine. The patient developed cardiogenic shock and a decision was made to institute ECMO. The patient was supported with ECMO for 32 days because of heart failure, refractory VT, and recurrent infections. An electrophysiological study was performed 4 days after ECMO initiation, which revealed a large scar area in the left ventricle. Radiofrequency energy was applied 69 times, rendering the VT non-inducible. Subsequently, VT attacks disappeared and the patient was weaned from ECMO after 32 days. The patient received a left ventricular assist device 5 days post-ECMO weaning and was then transplanted. Discussion There is still no evidence or guidelines regarding patients with refractory VT; however, ECMO support has been successfully used during VT ablation procedures. In this case report, VT ablation had a crucial role in treating the culprit arrhythmia while the implementation of ECMO allowed a complex ablation procedure to be completed safely.
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页数:5
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