Chávez GE, Carmona PR, Lorenzo ME, Cruz EJM, Padrón PG, Ramos RRR, Rodríguez LA, Barja LD

Language: Spanish
References: 5
Page: 161-166
PDF size: 923.66 Kb.

ABSTRACT

The case of a 43-year-old female patient is presented, with an apparent history of good health, up to several weeks prior to admission, when she began to present syncopes preceded by palpitations. An electrophysiological study was performed and prematurity in the distal portion of the coronary sinus recording electrode was demonstrated, which corresponds to the great cardiac vein (anterior interventricular vein) and summit of the left ventricle. Despite the excellent early registration, neighboring structures were studied, such as the left ventricular outflow tract in the left coronary cusp, here the pace mapping was not totally concordant. At the site of the precocity obtained within the cardiac venous system, a 100% concordant mapping was achieved, with an ablation catheter’s precocity of -30 milliseconds. The ablation was decided with progressive increases in temperature and power with thermomapping and the success of the ablation was achieved without reproducibility of the arrhythmia and excellent subsequent evolution.

REFERENCES

1. Akerström F, Pachón M, Puchol A, Narváez I, Rodríguez-Padial L, Arias MA. Ablación con catéter de extrasístoles ventriculares del summit ventricular izquierdo. Rev Esp Cardiol. 2016;69(10):992-4. [ Links ]

2. Enriquez A, Malavassi F, Saenz LC, Supple G, Santangeli P, Marchlinski FE, et al. How to map and ablate left ventricular summit arrhythmias. Heart Rhythm. 2017;14(1):141-8. [ Links ]

3. Yamada T, McElderry HT, Doppalapudi H, Okada T, Murakami Y, Yoshida Y, et al. Idiopathic ventricular arrhythmias originating from the left ventricular summit: anatomic concepts relevant to ablation. Circ Arrhythm Electrophysiol. 2010;3(6):616-23. [ Links ]

4. Jauregui Abularach ME, Campos B, Park KM, Tschabrunn CM, Frankel DS, Park RE, et al. Ablation of ventricular arrhythmias arising near the anterior epicardial veins from the left sinus of Valsalva region: ECG features, anatomic distance, and outcome. Heart Rhythm. 2012;9(6):865-73. [ Links ]

5. Santangeli P, Marchlinski FE, Zado ES, Benhayon D, Hutchinson MD, Lin D, et al. Percutaneous epicardial ablation of ventricular arrhythmias arising from the left ventricular summit: Outcomes and electrocardiogram correlates of success. Circ Arrhythm Electrophysiol. 2015;8(2):337-43. [ Links ]