A Study of Surgical Approaches to Retinal Vascular Occlusions
Open accessAbstract
OBJECTIVE: To develop a surgical approach to retinal vascular occlusive diseases. METHODS: Surgical manipulations were performed on the retinal vasculature to explore the feasibility of retinal vascular surgery. In a human cadaver eye model (25 procedures, 21 eyes), we performed (1) cannulations of retinal blood vessels with a flexible stylet and (2) arteriovenous sheathotomies. Histological findings were correlated with surgical outcomes. In an in vivo model (6 eyes, 5 animals), we examined the technical feasibility and anatomical outcome of surgical penetration of retinal blood vessels. RESULTS: Cannulations of branch retinal arterioles were successful in 7 of 9 procedures, cannulations of branch retinal venules were successful in 1 of 3 procedures, cannulations of central retinal arteries were successful in 0 of 2 procedures, and cannulations of central retinal veins were successful in 2 of 4 procedures. Arteriovenous sheathotomies were successful in 4 of 7 procedures. In the in vivo model, surgical penetration of retinal blood vessels was accomplished in 5 of 6 eyes. Immediately postoperatively, thrombus formation with obstruction of the retinal vasculature was observed. At 2 weeks postoperatively, the retinal vasculature was completely patent. CONCLUSIONS: Multiple surgical techniques aimed at assisting recanalization of occluded retinal vasculature have been evaluated. Retinal vascular surgery has become more feasible and deserves further investigation.
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Arteriovenous sheathotomy has been found to be generally traumatic when performed with the instrumentation presently available.
“but which has been found to be generally traumatic when performed with the instrumentation presently available [5].”
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- Authors
- Tang, W. M.
- Affiliations
- Boston University (US)
- Corresponding author
- Tang, William M.
- Venue
- Archives of Ophthalmology
- Publisher
- American Medical Association (AMA)
- Published
- 2000-01-01
- Volume
- 118
- Issue
- 1
- Pages
- 138
- ISSN
- 0003-9950 (ISSN-L)
- OpenAlex
- W2157737313
- Semantic Scholar
- d670f04d7ae5bef3c702648dfb2c918b93adc584
- Cited by
- 84
- References
- 20
- Citations by year
- 2024: 2 · 2023: 2 · 2022: 2 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 1 · 2016: 6 · 2014: 1 · 2013: 3 · 2012: 5
- FWCI
- 4.93
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Archives of Ophthalmology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Research to Prevent Blindness
- Topics
- Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Retinal and Macular Surgery
- Health Sciences › Medicine › Ophthalmology › Retinal and Optic Conditions
- Keywords
- retinal vascular occlusion, central retinal artery, central retinal vein, thrombus formation, recanalization, animal models
- MeSH terms
- Aged, Aged, 80 and over, Animals, Cadaver, Catheterization, Dogs, Humans, Middle Aged, Rabbits, Retinal Vein Occlusion, Retinal Vessels, Ophthalmologic Surgical Procedures, Retinal Artery Occlusion
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