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עמוד בית
Sun, 21.04.24

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March 2011
M. Waisbourd, M. Goldstein and A. Loewenstein

Background: Intravitreal injections of the anti-vascular endothelial growth factor (VEGF) drugs bevacizumab (Avastin®) and ranibizumab (Lucentis®) became the mainstay of treatment for various retinal pathologies, but there is no consensus among ophthalmologists on the precise use of these drugs.

Objectives: To describe the current application of anti-VEGF[1] drugs among retinal specialists in Israel.

Methods: A questionnaire was sent via email to all 62 members of the Israeli Society of Retinal Specialists. The survey included 34 questions on various aspects of the use of anti-VEGF drugs: diagnosis, treatment, follow-up of different retinal pathologies, and the measures taken for ensuring sterile administration of the intravitreal injections.

Results: Fifty members (80%) completed the survey. Most of them (56%) offered both bevacizumab and ranibizumab to their patients for age-related macular degeneration, but 70% were influenced by the patient’s socioeconomic status. Three consecutive monthly injections were usually recommended (58%) for the first 3 months, and treatment was extended as long as subretinal or intraretinal fluids persisted (57%). Over two-thirds (68%) switched the drugs after the 3-monthly series if the first one yielded no improvement in fluid status. The routine practice for intravitreal injection (> 80%) involved the wearing of sterile gloves, using an eyelid speculum, and administering povidone-iodine pretreatment and topical antibiotics after treatment.

Conclusions: Intravitreal VEGF administration varies widely among Israeli retinal specialists. The current survey is intended to assist Israeli ophthalmologists in establishing their own treatment strategy for patients with retinal pathologies.  






[1] VEGF = vascular endothelial growth factor


February 2006
A. Barak, M. Regenbogen, M. Goldstein and A. Loewenstein

Background: Diabetic macular edema causes visual loss in almost one-third of diabetic patients. There is currently no treatment for the accompanying cystoid foveal changes.

Objectives: To assess the clinical outcome, i.e., change in visual acuity, in patients treated with steroids for long-standing diabetic macular edema with foveal cystoid changes.

Methods: In the ophthalmology department of a tertiary care university‑affiliated medical center and the ophthalmology service of a health management organization, 46 diabetic subjects (56 eyes) who had diabetic macular edema with cystoid foveal changes received one intravitreal injection of 4 mg triamcinolone acetonide.

Results: The mean baseline (pre‑injection) visual acuity of 0.21 increased to 0.31 and 0.48 at 1 and 3 months, respectively, after which it decreased to 0.33 at 6 months. The mean intraocular pressure was 15.07 mmHg at baseline, 15.83 at day 1, gradually rising to 17.16, 18.38 and 18.57 mmHg at 1, 3 and 6 months respectively. Three patients suffered immediate visual decline after the injection.

Conclusions: Intravitreal triamcinolone acetonide may be a therapeutic option for long‑standing diabetic macular edema with foveal cystoid changes.
 

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