{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T09:01:02Z","timestamp":1780736462037,"version":"3.54.1"},"reference-count":50,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,5]]},"abstract":"\n OBJECTIVE<\/jats:title>\n The utilization of the Pipeline embolization device (PED) has increased significantly since its inception and original approval for use in large, broad-necked aneurysms of the internal carotid artery. While microsurgical clipping and advances in endovascular techniques have improved overall efficacy in achieving complete occlusion, recurrences still occur, and the best modality for retreatment remains controversial. Despite its efficacy in this setting, the role of PED utilization in the setting of recurrent aneurysms has not yet been well defined. This study was designed to assess the safety and efficacy of PED in the recurrence of previously treated aneurysms.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n The authors reviewed a total of 13 cases in which patients underwent secondary placement of a PED for aneurysm recurrence following prior treatment with another modality. The PEDs were used to treat aneurysm recurrence or residual following endovascular coiling in 7 cases, flow diversion in 2, and microsurgical clipping in 4. The mean time between initial treatment and retreatment with a PED was 28.1 months, 12 months, and 88.7 months, respectively. Clinical outcomes, including complications and modified Rankin Scale (mRS) scores, and angiographic evidence of complete occlusion were tabulated for each treatment group.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n All PEDs were successfully placed without periprocedural complications. The rate of complete occlusion was 80% at 6 months after PED placement and 100% at 12 months in these patients who underwent PED placement following failed endovascular coiling; there were no adverse clinical sequelae at a mean follow-up of 26.1 months. In the 2 cases in which PEDs were placed for treatment of residual aneurysms following prior flow diversion, 1 patient demonstrated asymptomatic vessel occlusion at 6 months, and the other exhibited complete aneurysm occlusion at 12 months. In patients with aneurysm recurrence following prior microsurgical clipping, the rate of complete occlusion was 100% at 6 and 12 months, with no adverse sequelae noted at a mean clinical follow-up of 27.7 months.<\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n The treatment of recurrent aneurysms with the PED following previous endovascular coiling, flow diversion, or microsurgical clipping is associated with a high rate of complete occlusion and minimal morbidity.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2017.3.focus1744","type":"journal-article","created":{"date-parts":[[2017,6,1]],"date-time":"2017-06-01T03:36:47Z","timestamp":1496288207000},"page":"E8","source":"Crossref","is-referenced-by-count":45,"title":["Pipeline embolization device for recurrence of previously treated aneurysms"],"prefix":"10.3171","volume":"42","author":[{"given":"David","family":"Dornbos","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Constantine L.","family":"Karras","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole","family":"Wenger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Blake","family":"Priddy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick","family":"Youssef","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shahid M.","family":"Nimjee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ciar\u00e1n J.","family":"Powers","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"World Neurosurg","first-page":"341","article-title":"Pipeline Embolization Device for recurrent cerebral aneurysms after microsurgical clipping","volume":"93","author":"Adeeb N","year":"2016","unstructured":"Adeeb N, Griessenauer CJ, Moore J, Stapleton CJ, Patel AB, Gupta R, : Pipeline Embolization Device for recurrent cerebral aneurysms after microsurgical clipping. World Neurosurg 93:341\u2013345, 2016"},{"key":"b2","series-title":"Radiology","first-page":"858","article-title":"Pipeline for uncoilable or failed aneurysms: results from a multicenter clinical trial","volume":"267","author":"Becske T","year":"2013","unstructured":"Becske T, Kallmes DF, Saatci I, McDougall CG, Szikora I, Lanzino G, : Pipeline for uncoilable or failed aneurysms: results from a multicenter clinical trial. Radiology 267:858\u2013868, 2013"},{"key":"b3","series-title":"J Neurosurg","article-title":"Pipeline for uncoilable or failed aneurysms: 3-year follow-up results","author":"Becske T","unstructured":"Becske T, Potts MB, Shapiro M, Kallmes DF, Brinjikji W, Saatci I, : Pipeline for uncoilable or failed aneurysms: 3-year follow-up results. J Neurosurg [epub ahead of print October 14, 2016. DOI: 10.3171\/2015.6.JNS15311]"},{"key":"b4","series-title":"Stroke","first-page":"1538","article-title":"Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT)","volume":"38","author":"Campi A","year":"2007","unstructured":"Campi A, Ramzi N, Molyneux AJ, Summers PE, Kerr RS, Sneade M, : Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT). Stroke 38:1538\u20131544, 2007"},{"key":"b5","series-title":"J Neurointerv Surg","first-page":"19","article-title":"Treatment of recurrent intracranial aneurysms with the Pipeline Embolization Device","volume":"6","author":"Chalouhi N","year":"2014","unstructured":"Chalouhi N, Chitale R, Starke RM, Jabbour P, Tjoumakaris S, Dumont AS, : Treatment of recurrent intracranial aneurysms with the Pipeline Embolization Device. J Neurointerv Surg 6:19\u201323, 2014"},{"key":"b6","series-title":"Stroke","first-page":"2150","article-title":"Comparison of flow diversion and coiling in large unruptured intracranial saccular aneurysms","volume":"44","author":"Chalouhi N","year":"2013","unstructured":"Chalouhi N, Tjoumakaris S, Starke RM, Gonzalez LF, Randazzo C, Hasan D, : Comparison of flow diversion and coiling in large unruptured intracranial saccular aneurysms. Stroke 44:2150\u20132154, 2013"},{"key":"b7","series-title":"AJNR Am J Neuroradiol","first-page":"1728","article-title":"Long-term follow-up results following elective treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device","volume":"36","author":"Chiu AH","year":"2015","unstructured":"Chiu AH, Cheung AK, Wenderoth JD, De Villiers L, Rice H, Phatouros CC, : Long-term follow-up results following elective treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device. AJNR Am J Neuroradiol 36:1728\u20131734, 2015"},{"key":"b8","series-title":"AJNR Am J Neuroradiol","first-page":"849","article-title":"Pipeline embolization device in the treatment of recurrent previously stented cerebral aneurysms","volume":"37","author":"Daou B","year":"2016","unstructured":"Daou B, Starke RM, Chalouhi N, Tjoumakaris S, Hasan D, Khoury J, : Pipeline embolization device in the treatment of recurrent previously stented cerebral aneurysms. AJNR Am J Neuroradiol 37:849\u2013855, 2016"},{"key":"b9","series-title":"Neurosurgery","first-page":"692","article-title":"The use of the Pipeline Embolization Device in the management of recurrent previously coiled cerebral aneurysms","volume":"77","author":"Daou B","year":"2015","unstructured":"Daou B, Starke RM, Chalouhi N, Tjoumakaris S, Khoury J, Hasan D, : The use of the Pipeline Embolization Device in the management of recurrent previously coiled cerebral aneurysms. Neurosurgery 77:692\u2013697, 2015"},{"issue":"Suppl 3","key":"b10","series-title":"J Neurointerv Surg","first-page":"iii3","article-title":"Pre-procedure P2Y12 reaction units value predicts perioperative thromboembolic and hemorrhagic complications in patients with cerebral aneurysms treated with the Pipeline Embolization Device","volume":"5","author":"Delgado Almandoz JE","year":"2013","unstructured":"Delgado Almandoz JE, Crandall BM, Scholz JM, Fease JL, Anderson RE, Kadkhodayan Y, : Pre-procedure P2Y12 reaction units value predicts perioperative thromboembolic and hemorrhagic complications in patients with cerebral aneurysms treated with the Pipeline Embolization Device. J Neurointerv Surg 5 (Suppl 3):iii3\u2013iii10, 2013"},{"key":"b11","series-title":"AJNR Am J Neuroradiol","first-page":"481","article-title":"Long-term follow-up after treatment of intracranial aneurysms with the Pipeline embolization device: results from a single center","volume":"33","author":"Deutschmann HA","year":"2012","unstructured":"Deutschmann HA, Wehrschuetz M, Augustin M, Niederkorn K, Klein GE: Long-term follow-up after treatment of intracranial aneurysms with the Pipeline embolization device: results from a single center. AJNR Am J Neuroradiol 33:481\u2013486, 2012"},{"key":"b12","series-title":"J Clin Neurosci","first-page":"1241","article-title":"Endovascular treatment of recurrent intracranial aneurysms following previous microsurgical clipping with the Pipeline Embolization Device","volume":"21","author":"Ding D","year":"2014","unstructured":"Ding D, Starke RM, Evans AJ, Jensen ME, Liu KC: Endovascular treatment of recurrent intracranial aneurysms following previous microsurgical clipping with the Pipeline Embolization Device. J Clin Neurosci 21:1241\u20131244, 2014"},{"key":"b13","series-title":"Stroke","first-page":"e523","article-title":"Coiling of intracranial aneurysms: a systematic review on initial occlusion and reopening and retreatment rates","volume":"40","author":"Ferns SP","year":"2009","unstructured":"Ferns SP, Sprengers ME, van Rooij WJ, Rinkel GJ, van Rijn JC, Bipat S, : Coiling of intracranial aneurysms: a systematic review on initial occlusion and reopening and retreatment rates. Stroke 40:e523\u2013e529, 2009"},{"key":"b14","series-title":"Neuroradiology","first-page":"369","article-title":"Pipeline embolization device (PED) for neurovascular reconstruction: initial experience in the treatment of 101 intracranial aneurysms and dissections","volume":"54","author":"Fischer S","year":"2012","unstructured":"Fischer S, Vajda Z, Aguilar Perez M, Schmid E, Hopf N, B\u00e4zner H, : Pipeline embolization device (PED) for neurovascular reconstruction: initial experience in the treatment of 101 intracranial aneurysms and dissections. Neuroradiology 54:369\u2013382, 2012"},{"key":"b15","series-title":"J Neurointerv Surg","first-page":"169","article-title":"Endovascular treatment of previously clipped aneurysms: continued evolution of hybrid neurosurgery","volume":"9","author":"Gross BA","year":"2017","unstructured":"Gross BA, Albuquerque FC, Moon K, Ducruet AF, McDougall CG: Endovascular treatment of previously clipped aneurysms: continued evolution of hybrid neurosurgery. J Neurointerv Surg 9:169\u2013172, 2017"},{"key":"b16","series-title":"J Neurointerv Surg","first-page":"692","article-title":"Use of flow-diverting stents as salvage treatment following failed stent-assisted embolization of intracranial aneurysms","volume":"8","author":"Heiferman DM","year":"2016","unstructured":"Heiferman DM, Billingsley JT, Kasliwal MK, Johnson AK, Keigher KM, Frudit ME, : Use of flow-diverting stents as salvage treatment following failed stent-assisted embolization of intracranial aneurysms. J Neurointerv Surg 8:692\u2013695, 2016"},{"key":"b17","series-title":"J Neurointerv Surg","first-page":"495","article-title":"Pipeline embolization for definitive endoluminal reconstruction of blister-type carotid aneurysms after clip wrapping","volume":"8","author":"Kalani MY","year":"2016","unstructured":"Kalani MY, Albuquerque FC, Levitt M, Nakaji P, Spetzler RF, McDougall C: Pipeline embolization for definitive endoluminal reconstruction of blister-type carotid aneurysms after clip wrapping. J Neurointerv Surg 8:495\u2013500, 2016"},{"key":"b18","series-title":"J Neurointerv Surg","article-title":"Use of the Pipeline embolization device for recurrent and residual cerebral aneurysms: a safety and efficacy analysis with short-term follow-up","author":"K\u00fchn AL","year":"2016","unstructured":"K\u00fchn AL, de Macedo Rodrigues K, Lozano JD, Rex DE, Massari F, Tamura T, : Use of the Pipeline embolization device for recurrent and residual cerebral aneurysms: a safety and efficacy analysis with short-term follow-up. J Neurointerv Surg [epub ahead of print], 2016"},{"key":"b19","series-title":"J Neurointerv Surg","article-title":"A technical consideration when using flow diversion for recurrent aneurysms following stent-assisted coiling","author":"Mascitelli JR","year":"2016","unstructured":"Mascitelli JR, Wei D, Oxley TJ, Kellner CP, Shoirah H, De Leacy RA, : A technical consideration when using flow diversion for recurrent aneurysms following stent-assisted coiling. J Neurointerv Surg [epub ahead of print], 2016"},{"key":"b20","series-title":"AJNR Am J Neuroradiol","first-page":"164","article-title":"Immediate and midterm results following treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device","volume":"33","author":"McAuliffe W","year":"2012","unstructured":"McAuliffe W, Wycoco V, Rice H, Phatouros C, Singh TJ, Wenderoth J: Immediate and midterm results following treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device. AJNR Am J Neuroradiol 33:164\u2013170, 2012"},{"key":"b21","series-title":"AJNR Am J Neuroradiol","first-page":"34","article-title":"The Pipeline Embolization Device for the intracranial treatment of aneurysms trial","volume":"32","author":"Nelson PK","year":"2011","unstructured":"Nelson PK, Lylyk P, Szikora I, Wetzel SG, Wanke I, Fiorella D: The Pipeline Embolization Device for the intracranial treatment of aneurysms trial. AJNR Am J Neuroradiol 32:34\u201340, 2011"},{"key":"b22","series-title":"AJNR Am J Neuroradiol","first-page":"381","article-title":"Canadian experience with the Pipeline embolization device for repair of unruptured intracranial aneurysms","volume":"34","author":"O\u2019Kelly CJ","year":"2013","unstructured":"O\u2019Kelly CJ, Spears J, Chow M, Wong J, Boulton M, Weill A, : Canadian experience with the Pipeline embolization device for repair of unruptured intracranial aneurysms. AJNR Am J Neuroradiol 34:381\u2013387, 2013"},{"issue":"Suppl 1","key":"b23","series-title":"Neurosurgery","first-page":"92","article-title":"Microsurgical management of residual and recurrent aneurysms after coiling and clipping: an experience with 97 patients","volume":"62","author":"Owen CM","year":"2015","unstructured":"Owen CM, Montemurro N, Lawton MT: Microsurgical management of residual and recurrent aneurysms after coiling and clipping: an experience with 97 patients. Neurosurgery 62 (Suppl 1):92\u2013102, 2015"},{"key":"b24","series-title":"J Neurosurg","first-page":"146","article-title":"The Barrow Ruptured Aneurysm Trial: 3-year results","volume":"119","author":"Spetzler RF","year":"2013","unstructured":"Spetzler RF, McDougall CG, Albuquerque FC, Zabramski JM, Hills NK, Partovi S, : The Barrow Ruptured Aneurysm Trial: 3-year results. J Neurosurg 119:146\u2013157, 2013"},{"key":"b25","series-title":"AJNR Am J Neuroradiol","first-page":"1139","article-title":"Treatment of intracranial aneurysms by functional reconstruction of the parent artery: the Budapest experience with the pipeline embolization device","volume":"31","author":"Szikora I","year":"2010","unstructured":"Szikora I, Berentei Z, Kulcsar Z, Marosfoi M, Vajda ZS, Lee W, : Treatment of intracranial aneurysms by functional reconstruction of the parent artery: the Budapest experience with the pipeline embolization device. AJNR Am J Neuroradiol 31:1139\u20131147, 2010"},{"key":"b1","series-title":"World Neurosurg","first-page":"341","article-title":"Pipeline Embolization Device for recurrent cerebral aneurysms after microsurgical clipping","volume":"93","author":"Adeeb N","year":"2016","unstructured":"Adeeb N, Griessenauer CJ, Moore J, Stapleton CJ, Patel AB, Gupta R, : Pipeline Embolization Device for recurrent cerebral aneurysms after microsurgical clipping. World Neurosurg 93:341\u2013345, 2016"},{"key":"b2","series-title":"Radiology","first-page":"858","article-title":"Pipeline for uncoilable or failed aneurysms: results from a multicenter clinical trial","volume":"267","author":"Becske T","year":"2013","unstructured":"Becske T, Kallmes DF, Saatci I, McDougall CG, Szikora I, Lanzino G, : Pipeline for uncoilable or failed aneurysms: results from a multicenter clinical trial. Radiology 267:858\u2013868, 2013"},{"key":"b3","series-title":"J Neurosurg","article-title":"Pipeline for uncoilable or failed aneurysms: 3-year follow-up results","author":"Becske T","unstructured":"Becske T, Potts MB, Shapiro M, Kallmes DF, Brinjikji W, Saatci I, : Pipeline for uncoilable or failed aneurysms: 3-year follow-up results. J Neurosurg [epub ahead of print October 14, 2016. DOI: 10.3171\/2015.6.JNS15311]"},{"key":"b4","series-title":"Stroke","first-page":"1538","article-title":"Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT)","volume":"38","author":"Campi A","year":"2007","unstructured":"Campi A, Ramzi N, Molyneux AJ, Summers PE, Kerr RS, Sneade M, : Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT). Stroke 38:1538\u20131544, 2007"},{"key":"b5","series-title":"J Neurointerv Surg","first-page":"19","article-title":"Treatment of recurrent intracranial aneurysms with the Pipeline Embolization Device","volume":"6","author":"Chalouhi N","year":"2014","unstructured":"Chalouhi N, Chitale R, Starke RM, Jabbour P, Tjoumakaris S, Dumont AS, : Treatment of recurrent intracranial aneurysms with the Pipeline Embolization Device. J Neurointerv Surg 6:19\u201323, 2014"},{"key":"b6","series-title":"Stroke","first-page":"2150","article-title":"Comparison of flow diversion and coiling in large unruptured intracranial saccular aneurysms","volume":"44","author":"Chalouhi N","year":"2013","unstructured":"Chalouhi N, Tjoumakaris S, Starke RM, Gonzalez LF, Randazzo C, Hasan D, : Comparison of flow diversion and coiling in large unruptured intracranial saccular aneurysms. Stroke 44:2150\u20132154, 2013"},{"key":"b7","series-title":"AJNR Am J Neuroradiol","first-page":"1728","article-title":"Long-term follow-up results following elective treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device","volume":"36","author":"Chiu AH","year":"2015","unstructured":"Chiu AH, Cheung AK, Wenderoth JD, De Villiers L, Rice H, Phatouros CC, : Long-term follow-up results following elective treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device. AJNR Am J Neuroradiol 36:1728\u20131734, 2015"},{"key":"b8","series-title":"AJNR Am J Neuroradiol","first-page":"849","article-title":"Pipeline embolization device in the treatment of recurrent previously stented cerebral aneurysms","volume":"37","author":"Daou B","year":"2016","unstructured":"Daou B, Starke RM, Chalouhi N, Tjoumakaris S, Hasan D, Khoury J, : Pipeline embolization device in the treatment of recurrent previously stented cerebral aneurysms. AJNR Am J Neuroradiol 37:849\u2013855, 2016"},{"key":"b9","series-title":"Neurosurgery","first-page":"692","article-title":"The use of the Pipeline Embolization Device in the management of recurrent previously coiled cerebral aneurysms","volume":"77","author":"Daou B","year":"2015","unstructured":"Daou B, Starke RM, Chalouhi N, Tjoumakaris S, Khoury J, Hasan D, : The use of the Pipeline Embolization Device in the management of recurrent previously coiled cerebral aneurysms. Neurosurgery 77:692\u2013697, 2015"},{"issue":"Suppl 3","key":"b10","series-title":"J Neurointerv Surg","first-page":"iii3","article-title":"Pre-procedure P2Y12 reaction units value predicts perioperative thromboembolic and hemorrhagic complications in patients with cerebral aneurysms treated with the Pipeline Embolization Device","volume":"5","author":"Delgado Almandoz JE","year":"2013","unstructured":"Delgado Almandoz JE, Crandall BM, Scholz JM, Fease JL, Anderson RE, Kadkhodayan Y, : Pre-procedure P2Y12 reaction units value predicts perioperative thromboembolic and hemorrhagic complications in patients with cerebral aneurysms treated with the Pipeline Embolization Device. J Neurointerv Surg 5 (Suppl 3):iii3\u2013iii10, 2013"},{"key":"b11","series-title":"AJNR Am J Neuroradiol","first-page":"481","article-title":"Long-term follow-up after treatment of intracranial aneurysms with the Pipeline embolization device: results from a single center","volume":"33","author":"Deutschmann HA","year":"2012","unstructured":"Deutschmann HA, Wehrschuetz M, Augustin M, Niederkorn K, Klein GE: Long-term follow-up after treatment of intracranial aneurysms with the Pipeline embolization device: results from a single center. AJNR Am J Neuroradiol 33:481\u2013486, 2012"},{"key":"b12","series-title":"J Clin Neurosci","first-page":"1241","article-title":"Endovascular treatment of recurrent intracranial aneurysms following previous microsurgical clipping with the Pipeline Embolization Device","volume":"21","author":"Ding D","year":"2014","unstructured":"Ding D, Starke RM, Evans AJ, Jensen ME, Liu KC: Endovascular treatment of recurrent intracranial aneurysms following previous microsurgical clipping with the Pipeline Embolization Device. J Clin Neurosci 21:1241\u20131244, 2014"},{"key":"b13","series-title":"Stroke","first-page":"e523","article-title":"Coiling of intracranial aneurysms: a systematic review on initial occlusion and reopening and retreatment rates","volume":"40","author":"Ferns SP","year":"2009","unstructured":"Ferns SP, Sprengers ME, van Rooij WJ, Rinkel GJ, van Rijn JC, Bipat S, : Coiling of intracranial aneurysms: a systematic review on initial occlusion and reopening and retreatment rates. Stroke 40:e523\u2013e529, 2009"},{"key":"b14","series-title":"Neuroradiology","first-page":"369","article-title":"Pipeline embolization device (PED) for neurovascular reconstruction: initial experience in the treatment of 101 intracranial aneurysms and dissections","volume":"54","author":"Fischer S","year":"2012","unstructured":"Fischer S, Vajda Z, Aguilar Perez M, Schmid E, Hopf N, B\u00e4zner H, : Pipeline embolization device (PED) for neurovascular reconstruction: initial experience in the treatment of 101 intracranial aneurysms and dissections. Neuroradiology 54:369\u2013382, 2012"},{"key":"b15","series-title":"J Neurointerv Surg","first-page":"169","article-title":"Endovascular treatment of previously clipped aneurysms: continued evolution of hybrid neurosurgery","volume":"9","author":"Gross BA","year":"2017","unstructured":"Gross BA, Albuquerque FC, Moon K, Ducruet AF, McDougall CG: Endovascular treatment of previously clipped aneurysms: continued evolution of hybrid neurosurgery. J Neurointerv Surg 9:169\u2013172, 2017"},{"key":"b16","series-title":"J Neurointerv Surg","first-page":"692","article-title":"Use of flow-diverting stents as salvage treatment following failed stent-assisted embolization of intracranial aneurysms","volume":"8","author":"Heiferman DM","year":"2016","unstructured":"Heiferman DM, Billingsley JT, Kasliwal MK, Johnson AK, Keigher KM, Frudit ME, : Use of flow-diverting stents as salvage treatment following failed stent-assisted embolization of intracranial aneurysms. J Neurointerv Surg 8:692\u2013695, 2016"},{"key":"b17","series-title":"J Neurointerv Surg","first-page":"495","article-title":"Pipeline embolization for definitive endoluminal reconstruction of blister-type carotid aneurysms after clip wrapping","volume":"8","author":"Kalani MY","year":"2016","unstructured":"Kalani MY, Albuquerque FC, Levitt M, Nakaji P, Spetzler RF, McDougall C: Pipeline embolization for definitive endoluminal reconstruction of blister-type carotid aneurysms after clip wrapping. J Neurointerv Surg 8:495\u2013500, 2016"},{"key":"b18","series-title":"J Neurointerv Surg","article-title":"Use of the Pipeline embolization device for recurrent and residual cerebral aneurysms: a safety and efficacy analysis with short-term follow-up","author":"K\u00fchn AL","year":"2016","unstructured":"K\u00fchn AL, de Macedo Rodrigues K, Lozano JD, Rex DE, Massari F, Tamura T, : Use of the Pipeline embolization device for recurrent and residual cerebral aneurysms: a safety and efficacy analysis with short-term follow-up. J Neurointerv Surg [epub ahead of print], 2016"},{"key":"b19","series-title":"J Neurointerv Surg","article-title":"A technical consideration when using flow diversion for recurrent aneurysms following stent-assisted coiling","author":"Mascitelli JR","year":"2016","unstructured":"Mascitelli JR, Wei D, Oxley TJ, Kellner CP, Shoirah H, De Leacy RA, : A technical consideration when using flow diversion for recurrent aneurysms following stent-assisted coiling. J Neurointerv Surg [epub ahead of print], 2016"},{"key":"b20","series-title":"AJNR Am J Neuroradiol","first-page":"164","article-title":"Immediate and midterm results following treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device","volume":"33","author":"McAuliffe W","year":"2012","unstructured":"McAuliffe W, Wycoco V, Rice H, Phatouros C, Singh TJ, Wenderoth J: Immediate and midterm results following treatment of unruptured intracranial aneurysms with the Pipeline Embolization Device. AJNR Am J Neuroradiol 33:164\u2013170, 2012"},{"key":"b21","series-title":"AJNR Am J Neuroradiol","first-page":"34","article-title":"The Pipeline Embolization Device for the intracranial treatment of aneurysms trial","volume":"32","author":"Nelson PK","year":"2011","unstructured":"Nelson PK, Lylyk P, Szikora I, Wetzel SG, Wanke I, Fiorella D: The Pipeline Embolization Device for the intracranial treatment of aneurysms trial. 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