Aneurysms of the posterior cerebral artery

Classification and endovascular treatment

E. F. Ciceri, R. P. Klucznik, R. G. Grossman, J. E. Rose, M. E. Mawad

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

BACKGROUND AND PURPOSE: We present a retrospective review of our experience in the endovascular treatment of posterior cerebral artery (PCA) aneurysms. We detail the anatomic location of these aneurysms, the technique of endovascular treatment, morphologic results, and clinical outcome. We also discuss the segmental anatomy of the PCA as it relates to the various neurologic deficits that may result from occlusion of the parent artery. METHODS: From 1993 to 1998, 20 patients (12 female, eight male; mean age, 44 yrs) harboring a PCA aneurysm were treated via an endovascular approach. One patient had two aneurysms, comprising a total of 21 lesions. Fourteen (66%) of 21 aneurysms were saccular in nature, five (24%) were giant serpentine aneurysms, and two (10%) were posttraumatic. All aneurysms were treated using Guglielmi detachable coils (GDC) either by selective obliteration of the aneurysm sac or by parent artery occlusion. RESULTS: Fourteen (66%) of the 21 aneurysms were successfully treated with preservation of the parent artery. In the remaining seven (33%), the parent artery was permanently occluded. The overall complication rate in this series was 15%, with a permanent morbidity rate of 10% and a 0% mortality rate. CONCLUSION: Aneurysms of the PCA are rare compared with other locations in the intracranial circulation. Saccular PCA aneurysms can be treated effectively, by use of GDC, to obliterate the aneurysm yet preserve the parent artery. Fusiform and giant serpentine aneurysms of the PCA can effectively be treated by permanent occlusion of the parent artery; in these cases, thorough knowledge of the PCA segmental anatomy is crucial in order to select the site of occlusion and to avoid major neurologic deficits.

Original languageEnglish
Pages (from-to)27-34
Number of pages8
JournalAmerican Journal of Neuroradiology
Volume22
Issue number1
Publication statusPublished - 2001

Fingerprint

Intracranial Aneurysm
Aneurysm
Arteries
Posterior Cerebral Artery
Therapeutics
Neurologic Manifestations
Anatomy
Endovascular Procedures
Morbidity
Mortality

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Ciceri, E. F., Klucznik, R. P., Grossman, R. G., Rose, J. E., & Mawad, M. E. (2001). Aneurysms of the posterior cerebral artery: Classification and endovascular treatment. American Journal of Neuroradiology, 22(1), 27-34.

Aneurysms of the posterior cerebral artery : Classification and endovascular treatment. / Ciceri, E. F.; Klucznik, R. P.; Grossman, R. G.; Rose, J. E.; Mawad, M. E.

In: American Journal of Neuroradiology, Vol. 22, No. 1, 2001, p. 27-34.

Research output: Contribution to journalArticle

Ciceri, EF, Klucznik, RP, Grossman, RG, Rose, JE & Mawad, ME 2001, 'Aneurysms of the posterior cerebral artery: Classification and endovascular treatment', American Journal of Neuroradiology, vol. 22, no. 1, pp. 27-34.
Ciceri, E. F. ; Klucznik, R. P. ; Grossman, R. G. ; Rose, J. E. ; Mawad, M. E. / Aneurysms of the posterior cerebral artery : Classification and endovascular treatment. In: American Journal of Neuroradiology. 2001 ; Vol. 22, No. 1. pp. 27-34.
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abstract = "BACKGROUND AND PURPOSE: We present a retrospective review of our experience in the endovascular treatment of posterior cerebral artery (PCA) aneurysms. We detail the anatomic location of these aneurysms, the technique of endovascular treatment, morphologic results, and clinical outcome. We also discuss the segmental anatomy of the PCA as it relates to the various neurologic deficits that may result from occlusion of the parent artery. METHODS: From 1993 to 1998, 20 patients (12 female, eight male; mean age, 44 yrs) harboring a PCA aneurysm were treated via an endovascular approach. One patient had two aneurysms, comprising a total of 21 lesions. Fourteen (66{\%}) of 21 aneurysms were saccular in nature, five (24{\%}) were giant serpentine aneurysms, and two (10{\%}) were posttraumatic. All aneurysms were treated using Guglielmi detachable coils (GDC) either by selective obliteration of the aneurysm sac or by parent artery occlusion. RESULTS: Fourteen (66{\%}) of the 21 aneurysms were successfully treated with preservation of the parent artery. In the remaining seven (33{\%}), the parent artery was permanently occluded. The overall complication rate in this series was 15{\%}, with a permanent morbidity rate of 10{\%} and a 0{\%} mortality rate. CONCLUSION: Aneurysms of the PCA are rare compared with other locations in the intracranial circulation. Saccular PCA aneurysms can be treated effectively, by use of GDC, to obliterate the aneurysm yet preserve the parent artery. Fusiform and giant serpentine aneurysms of the PCA can effectively be treated by permanent occlusion of the parent artery; in these cases, thorough knowledge of the PCA segmental anatomy is crucial in order to select the site of occlusion and to avoid major neurologic deficits.",
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