Peripheral ophthalmic artery aneurysm.
Summary of "Peripheral ophthalmic artery aneurysm."
Generally speaking, the term "ophthalmic aneurysms" refers to carotid-ophthalmic aneurysms, which arise from the internal carotid artery (ICA) wall at or around the origin of the ophthalmic artery (OA). In contrast, aneurysms arising from the OA stem or its branches, separate from the ICA are called peripheral OA aneurysms (POAAs). POAAs are a rare entity, which clinical features and natural course are not fully understood. A comprehensive literature review of reported aneurysms involving each segment of the OA was undertaken. The demographics, aetiology, clinical manifestations and treatment of reported POAAs are discussed. Of 35 retrieved cases, ten involved the intracranial segment, two were fusiform aneurysms in the optic canal, 17 arose from the intraorbital segment, and 6 involved either the lacrimal or the anterior ethmoidal branches. In 34 cases, clinical details were available; 18 patients experienced moderate to severe visual impairment including blindness, while seven patients had improvement in visual acuity as a result of surgical treatment. The present clinical review reveals that aneurysms of the OA stem and lacrimal branch are potentially threatening to visual acuity, while intracranial segment and anterior ethmoidal aneurysms can rupture and cause subarachnoid or intraparenchymal haemorrhage. Surgical intervention is mandatory in symptomatic cases to prevent visual deterioration or treat aneurismal rupture; alternatively, for small incidental POAAs "watchful waiting" may be indicated.
Affiliation
Department of Neurosurgery, Jinling Hospital; Medical School, Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu Province, People's Republic of China.
Journal Details
This article was published in the following journal.
Name: Neurosurgical review
ISSN: 1437-2320
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20949300
- DOI: http://dx.doi.org/10.1007/s10143-010-0290-5
Medical and Biotech [MESH] Definitions
Ophthalmic Artery
Artery originating from the internal carotid artery and distributing to the eye, orbit and adjacent facial structures.
Retinal Artery
Central retinal artery and its branches. It arises from the ophthalmic artery, pierces the optic nerve and runs through its center, enters the eye through the porus opticus and branches to supply the retina.
Vertebral Artery Dissection
Splitting of the vessel wall in the VERTEBRAL ARTERY. Interstitial hemorrhage into the media of the vessel wall can lead to occlusion of the vertebral artery, aneurysm formation, or THROMBOEMBOLISM. Vertebral artery dissection is often associated with TRAUMA and injuries to the head-neck region but can occur spontaneously.
Carotid Artery, Internal, Dissection
The splitting of the vessel wall in one or both (left and right) internal carotid arteries (CAROTID ARTERY, INTERNAL). Interstitial hemorrhage into the media of the vessel wall can lead to occlusion of the internal carotid artery and aneurysm formation.
Catheterization, Peripheral
Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes.
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