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Aneurismas cerebrales tratados con dispositivo pCONus2. Experiencia inicial en el IMSS / Brain aneurysms treatment with pCONus2 device. Initial experience at IMSS

Jorge Arturo Santos-Franco, Carlos Antonio Cruz-Argüelles, Adrián Alejandro Abrego-Salinas, Martín Roberto Casas-Martínez, Enrique DeFont-Reaulx Rojas

Resumen


Resumen

Introducción: el dispositivo pCONus2 ha sido usado en algunos países como coadyuvante en el tratamiento con coils de los aneurismas de cuello ancho localizados en las bifurcaciones.

Objetivo: presentar los primeros aneurismas tratados con pCONus2 en el Instituto Mexicano del Seguro Social (IMSS).

Material y métodos: se exponen retrospectivamente 13 casos de pacientes tratados con pCONus2 de octubre de 2019 a febrero de 2022 en un hospital de tercer nivel del IMSS.

Resultados: se trataron 6 aneurismas de la arteria comunicante anterior, 2 de la bifurcación de la arteria carótida interna, 3 en la bifurcación de la arteria cerebral media y 2 del tope de la arteria basilar. El uso del pCONus2 se hizo sin complicaciones ni incidentes en 12 pacientes (92%), mientras que en un aneurisma de la bifurcación de carótida interna (8%) ocurrió la migración de un pétalo del dispositivo hacia la luz vascular, motivado por la presión de la malla de coils, que se solucionó con un microstent. Siete aneurismas (54%) fueron embolizados con coils después del paso del microcatéter a través del pCONus2, mientras que en 6 (46%) se utilizó la técnica jailing, sin complicaciones ni incidentes.

Conclusiones: el pCONus2 es un dispositivo útil en la embolización de aneurismas localizados en bifurcaciones arteriales. En México la experiencia todavía es poca, pero los primeros casos han sido exitosos. Mostramos, además, los primeros casos tratados con la técnica de jailing. Se requieren más casos en nuestro país para hacer un análisis estadísticamente concluyente y determinar la efectividad y seguridad del dispositivo.

 

Abstract

Background: pCONus2 device has been used in some countries as coadyuvant in the treatment of wide-neck bifurcation aneurysms with coils.

Objective: To present the first series of brain aneurysms treated with pCONus2 in the Mexican Institute for Social Security (IMSS).

Material and methods: We retrospectively present the first 13 aneurysms treated from October 2019 to February 2022 with pCONus2 device at a third level hospital.

Results: 6 aneurysms located at anterior communicating artery, 3 at middle cerebral artery bifurcation, 2 at internal carotid artery bifurcatión, and 2 at the tip of basilar artery were treated. Device deployment was performed without complications and it was possible to embolize aneurysms with coils in 12 patients (92%), while on an internal carotid bifurcation aneurysm (8%) there was an incident of a pCO-Nus2 petal migration toward vascular lumen, caused by coils mesh pressure, situation that was solved by placing an nitinol self-expandable microstent. In 7 cases (54%) we performed coiling technique after microcatheter passage through pCONus2, while in 6 cases (46%) we used the jailing technique without complications.

Conclusions: pCONus2 is a useful device for wide-neck bifurcation aneurysms embolization. In Mexico our experience is yet limited; however, the first cases have been successful. Furthermore, we showed the first cases treated using jailing technique. Much more cases are required in order to carry out a statistically conclusive analysis and to establish the effectiveness and safety of the device.


Palabras clave


Aneurisma Cerebral; Embolización Terapéutica; Stents / Brain Aneurysm; Embolization, Therapeutic; Stents

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