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It was reported that the previously deployed coil was pulled out of position, and intervention was required to correct its position.Two 20mm x 50cm embold? fibered coils were selected for use in the embolization of a splenic artery aneurysm.Other non-boston scientific coils were also used in the procedure.The microcatheter was flushed immediately prior to coil insertion, and continuous flushing was performed throughout the procedure.During the procedure, resistance was felt during coil placement.An attempt was made to retrieve the coil; however, the coil became unraveled, making retrieval impossible.An attempt was made to withdraw the coil together with the microcatheter; however, the previously deployed coil, another 20mm x 50cm embold.Fibered coil, also moved.It might have been the coil that caught on the previously deployed coil.As a result, retrieval was unsuccessful.The unraveled coil was secured with a balloon and cut outside the body.The cut end was pushed into the aneurysm using another coil, resulting in a portion of the coil remaining in the body.The previously deployed coil moved out of position, partially in the target vessel and partially protruding out of the target vessel.Since framing was successful with embold, a stent from another manufacturer was placed within the same aneurysm, and the previously deployed coil's position was corrected and now fully contained in the target vessel.The procedure was completed successfully.There were no patient complications as a result of this event, and no changes in the patient's condition.
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