{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,27]],"date-time":"2025-09-27T13:20:57Z","timestamp":1758979257699},"reference-count":36,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2003,3]]},"abstract":"<jats:p content-type=\"fine-print\"><jats:italic>Object.<\/jats:italic> The effects of percutaneous transluminal angioplasty (PTA) and stent placement for stenosis of the petrous or cavernous portion of the internal carotid artery (ICA) were compared.<\/jats:p>\n<jats:p content-type=\"fine-print\"><jats:italic>Methods.<\/jats:italic> Twenty-four patients with symptomatic, greater than 60% stenosis of the petrous or cavernous portion of the ICA were treated using PTA or stent placement; 15 were treated with PTA and nine with stent insertion. Initial and follow-up results (&gt; 3 months posttreatment) were compared in each group.<\/jats:p>\n<jats:p content-type=\"fine-print\">Stenotic portions of the ICA were successfully opened in 13 of 15 patients in the PTA group, and in all nine patients in the stent-treated group. In one case in the PTA group stent delivery was attempted; however, the device could not pass through the vessel's tortuous curve, and PTA alone was performed in this case. Postoperatively, the mean stenotic ratio decreased from 72.1 to 29.6% in the PTA group, and from 75.6 to 2.2% in the stent-treated group. In four patients in the PTA group, stenoses greater than 50% were demonstrated on follow-up angiography performed at 3 to 6 months after PTA. In the stent-treated group, no restenosis was encountered, although in one case acute occlusion of the stent occurred; the device was recanalized with PTA and infusion of tissue plasminogen activator. This case was the only one of the 24 in which any neurological deficits related to the endovascular procedure occurred. Stent placement brought a greater gain in diameter than did PTA at the initial and late follow-up period; this gain was statistically significant.<\/jats:p>\n<jats:p content-type=\"fine-print\"><jats:italic>Conclusions.<\/jats:italic> Stent placement is more effective than PTA for stenosis of the petrous or cavernous portion of the ICA from the viewpoint of initial and late gain in diameter.<\/jats:p>","DOI":"10.3171\/jns.2003.98.3.0491","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T17:54:51Z","timestamp":1242237291000},"page":"491-497","source":"Crossref","is-referenced-by-count":38,"title":["Endovascular therapy for stenosis of the petrous or cavernous portion of the internal carotid artery: percutaneous transluminal angioplasty compared with stent placement"],"prefix":"10.3171","volume":"98","author":[{"given":"Tomoaki","family":"Terada","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitsuharu","family":"Tsuura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Matsumoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osamu","family":"Masuo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomoyuki","family":"Tsumoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroo","family":"Yamaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toru","family":"Itakura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Stroke","doi-asserted-by":"publisher","first-page":"433","DOI":"10.1161\/01.STR.29.2.433","article-title":"Natural history of stenosis from intracranial atherosclerosis by serial angiography.","volume":"29","author":"Akins","year":"1998"},{"key":"b2","series-title":"Am Heart J","doi-asserted-by":"publisher","first-page":"510","DOI":"10.1016\/S0002-8703(98)70329-1","article-title":"Restenosis after coronary stenting in current clinical practice.","volume":"135","author":"Antoniucci","year":"1998"},{"key":"b3","series-title":"Stroke","doi-asserted-by":"publisher","first-page":"2898","DOI":"10.1161\/hs1201.099652","article-title":"Progression and clinical recurrence of symptomatic middle cerebral artery stenosis: a long-term follow-up transcranial Doppler ultrasound study.","volume":"32","author":"Arenillas","year":"2001"},{"key":"b4","series-title":"Semin Interv Cardiol","first-page":"67","article-title":"Use of locally delivered conventional drug therapies.","volume":"1","author":"Camenzind","year":"1996"},{"key":"b5","series-title":"Stroke","doi-asserted-by":"publisher","first-page":"1200","DOI":"10.1161\/01.STR.26.7.1200","article-title":"Safety and efficacy of percutaneous transluminal angioplasty for intracranial atherosclerotic stenosis.","volume":"26","author":"Clark","year":"1995"},{"key":"b6","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"415","DOI":"10.3171\/jns.1999.91.3.0415","article-title":"Percutaneous transluminal angioplasty for intracranial atherosclerotic lesions: evolution of technique and short-term results.","volume":"91","author":"Connors","year":"1999"},{"key":"b7","series-title":"Stroke","doi-asserted-by":"publisher","first-page":"825","DOI":"10.1161\/01.STR.13.6.825","article-title":"Intracranial internal carotid artery stenosis.","volume":"13","author":"Craig","year":"1982"},{"key":"b8","series-title":"J Endovasc Surg","doi-asserted-by":"publisher","first-page":"42","DOI":"10.1583\/1074-6218(1996)003<0042:SITCAI>2.0.CO;2","article-title":"Stenting in the carotid artery: initial experience in 110 patients.","volume":"3","author":"Diethrich","year":"1996"},{"key":"b9","series-title":"Heart","doi-asserted-by":"publisher","first-page":"234","DOI":"10.1136\/hrt.79.3.234","article-title":"Procedural and follow up results with a new balloon expandable stent in unselected lesions.","volume":"79","author":"DiMario","year":"1998"},{"key":"b10","series-title":"AJNR","first-page":"392","article-title":"Stent deployment resolves a petrous carotid artery angioplasty dissection.","volume":"19","author":"Dorros","year":"1998"},{"key":"b11","series-title":"N Engl J Med","first-page":"1191","article-title":"Failure of extracranial-intracranial arterial bypass to reduce the risk of ischemic stroke. 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