Neurosurgery · 1998
Aneurysm of a subclavian-vertebral artery saphenous vein bypass graft: case report.
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Takeuchi S, Abe H, Tanaka R, Hayashi J
Аннотация
OBJECTIVE AND IMPORTANCE: Although an autogenous saphenous vein is frequently used as a bypass graft, an aneurysm of a venous graft is a rare complication, especially in the case of cerebrovascular revascularization. We report a case of a successfully treated aneurysmal change in a venous graft after short vein bypass grafting.
CLINICAL PRESENTATION: A 60-year-old man underwent a left subclavian-to-vertebral artery bypass operation with an interposed saphenous vein graft because of severe stenosis of the vertebral artery bilaterally. Angiograms of the left subclavian artery, obtained 4 months later, showed good patency of the graft without any dilation or stenosis. One year after the bypass surgery, the patient became aware of a pulsating mass in the left supraclavicular region, which was regarded as the grafted vein itself. A giant aneurysm of the vein graft, which developed at the nonanastomotic site, was shown in the angiogram 4 years later.
INTERVENTION: The aneurysm was resected, and patch grafting of the orifice of the aneurysmal neck covered with an artificial vessel as a reinforcement was performed.
CONCLUSION: The aneurysm seemed to have developed in a curved segment because of hemodynamic stress.
CLINICAL PRESENTATION: A 60-year-old man underwent a left subclavian-to-vertebral artery bypass operation with an interposed saphenous vein graft because of severe stenosis of the vertebral artery bilaterally. Angiograms of the left subclavian artery, obtained 4 months later, showed good patency of the graft without any dilation or stenosis. One year after the bypass surgery, the patient became aware of a pulsating mass in the left supraclavicular region, which was regarded as the grafted vein itself. A giant aneurysm of the vein graft, which developed at the nonanastomotic site, was shown in the angiogram 4 years later.
INTERVENTION: The aneurysm was resected, and patch grafting of the orifice of the aneurysmal neck covered with an artificial vessel as a reinforcement was performed.
CONCLUSION: The aneurysm seemed to have developed in a curved segment because of hemodynamic stress.