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Vol. 18. Issue 4.
Pages 206-211 (July - August 2011)
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Vol. 18. Issue 4.
Pages 206-211 (July - August 2011)
Open Access
Angioplastia del seno coronario en el implante de electrodo del ventrículo izquierdo
Angioplasty of coronary sinus in left ventricle electrode implant
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Alejandro Orjuela1,2,3,4,
Corresponding author
alejogar37@gmail.com

Correspondencia:.
1 Hospital Universitario de la Samaritana, Bogotá, Colombia
2 Hospital Central de la Policía, Bogotá, Colombia
3 Clínica Mediláser de Tunja, Tunja, Boyacá
4 Hospital Santa Sofía de Caldas, Manizales, Caldas
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Con el incremento de implantes de dispositivos de estimulación cardíaca en pacientes con miocardiopatía dilatada, el diseño día a día más sofisticado de los mismos para satisfacer los requerimientos de los pacientes con cambios anatómicos que surgen como consecuencia de la misma dilatación cardíaca, tales como modificaciones en el calibre, curso, longitud y número de venas coronarias, cada vez se encuentran mayores dificultades para lograr los objetivos anatómicos, en particular el sitio ideal de posicionamiento del electrodo de estimulación ventricular izquierda en el seno coronario.

Esta situación limita, en algunos casos, el beneficio terapéutico de esta técnica, viéndose, en ocasiones, en la necesidad de someter al paciente a toracotomía para posicionar el electrodo en el epicardio posterolateral del ventrículo izquierdo.

Es así como, con el objetivo de abreviar los tiempos y la morbimortalidad e incrementar el éxito del implante, se diseñó una estrategia basada en la técnica de hemodinámica para vencer las obstrucciones de las arterias coronarias y lograr, mediante angioplastia de las estrecheces del seno coronario, un abordaje más preciso a un determinado vaso epicárdico preseleccionado.

Se describe la técnica usada en la angioplastia del seno coronario para este propósito.

Palabras clave:
angioplastia
cardiodesfibrilador
cardiorresincronizador
seno coronario

The design of devices of cardiac stimulation in patients with dilated cardiomyopathy has become more sophisticated due to the increment of its implantation, devices that must satisfy the requirements for patients with anatomical changes that appear as a consequence of the cardiac dilation such as caliber modifications, course, length and number of coronary veins. Every time is more difficult to achieve the anatomical objectives, particularly the ideal place for the left ventricular stimulation electrode position in the coronary sinus.

This situation limits in some cases the therapeutical benefit of this technique, occasionally facing to the need to submit the patient to thoracotomy for positioning the electrode in the left ventricle posteriorlateral epicardium.

Thus, in order to shorten the times and morbidity and increment the implant success, we designed a strategy based on the hemodynamic technique to overcome coronary arteries obstruction and achieve through the angioplasty of the coronary sinus narrowness a more precise approach to a preselected determined epicardial vessel.

We describe the technique used in the angioplasty of the coronary sinus for this purpose.

Keywords:
angioplasty
cardiac defibrillator
cardiac resynchronizer
coronary sinus
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Copyright © 2011. Sociedad Colombiana de Cardiología y Cirugía Cardiovascular
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