of acute aortic dissections with balloon catheter to closeDespite recent advances in medical treatment, an acute aortic dissection is still now often fatal because of the seriousness of its condition. The currently available therapies include blocking the progress of dissection with intensive drug therapy, a process leading to the chronic stage. However, the dissection often proceeds rapidly and may result in death. Various surgical procedures have been attempted so far, but they produce highly invasive stress and high risks. Accordingly, we designed a cylinder-type balloon catheter and developed a new closing procedure, wherein a balloon catheter is introduced and inflated at the site with an intimal tear to maintain the blood flow to the distal vessels and also to close the entry. With this procedure, the complaints will be relieved or disappear, the progress of the dissection can be stopped, and the blood flow can be restored to the reduced and collapsed true lumen. When the blood in the pseudolumen becomes coagulated and organized, the balloon is removed. If this catheter is introduced from the femoral artery (similar to an intra-aortic balloon pumping method), the invasive stress will be further reduced. This method appears to be the most useful for DeBakey type III dissections. We are now intensively studying the safe and effective application of this balloon catheter under various clinical conditions.
Despite recent advances in medical treatment, an acute aortic dissection is still now often fatal because of the seriousness of its condition. The currently available therapies include blocking the progress of dissection with intensive drug therapy, a process leading to the chronic stage. However, the dissection often proceeds rapidly and may result in death. Various surgical procedures have been attempted so far, but they produce highly invasive stress and high risks. Accordingly, we designed a cylinder-type balloon catheter and developed a new closing procedure, wherein a balloon catheter is introduced and inflated at the site with an intimal tear to maintain the blood flow to the distal vessels and also to close the entry. With this procedure, the complaints will be relieved or disappear, the progress of the dissection can be stopped, and the blood flow can be restored to the reduced and collapsed true lumen. When the blood in the pseudolumen becomes coagulated and organized, the balloon is removed. If this catheter is introduced from the femoral artery (similar to an intra-aortic balloon pumping method), the invasive stress will be further reduced. This method appears to be the most useful for DeBakey type III dissections. We are now intensively studying the safe and effective application of this balloon catheter under various clinical conditions.
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