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      Long-term outcome of angioplasty or stent placement for stenosis of the cavernous or petrous portion of the internal carotid artery.

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          Abstract

          Percutaneous transluminal angioplasty (PTA) and stent placement are effective in patients with stenosis of the cavernous or petrous portion of the internal carotid artery (ICA), but the long-term outcomes remain unclear. The present study evaluated long-term outcomes in 54 patients treated by PTA or stent placement for stenotic lesions involving more than 50% of the cavernous or petrous portion of the ICA with ischemic symptoms or without ischemic symptoms if cerebral blood flow on single photon emission computed tomography images was decreased by 20% compared with the contralateral side. Follow-up magnetic resonance, three-dimensional computed tomography, and conventional angiography were performed. Patient condition in the follow-up period was investigated using telephone interviews or questionnaires. PTA was used to treat 13 lesions and stent placement for 41 lesions. Permanent and transient complications occurred in 2 and 5 patients, respectively. The morbidity rate was 13% (7 of 54 patients). The follow-up period ranged from 3 to 80 months (mean 29.9 months), and restenosis and occlusion were recognized in 4 patients (7.4%). Five patients died (2 of malignancy and 3 of myocardial infarction) during the follow-up period. PTA and stent placement are safe and effective in patients with stenosis of the cavernous or petrous portion of the ICA, and result in low long-term rates of restenosis.

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          Author and article information

          Journal
          Neurol Med Chir (Tokyo)
          Neurologia medico-chirurgica
          Japan Neurosurgical Society
          1349-8029
          0470-8105
          2011
          : 51
          : 12
          Affiliations
          [1 ] Department of Neurosurgery, Chubu Tokushukai Hospital, Okinawa, Japan.
          Article
          JST.JSTAGE/nmc/51.813
          10.2176/nmc.51.813
          22198101
          3ead6e5f-c6e4-40ba-ad1c-4c82de10eb40
          History

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