Robert G. Devenyi

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OBJECTIVE To identify risk factors for suspected acute endophthalmitis after cataract surgery. DESIGN Population-based retrospective cohort. PARTICIPANTS Administrative data from more than 440,000 consecutive cataract surgeries in Ontario, Canada, from April 1, 2002, to March 31, 2006. METHODS Consecutive physician billing claims for cataract surgery(More)
PURPOSE To report the incidence of endophthalmitis in association with different antibiotic prophylaxis strategies after intravitreal injections of anti-vascular endothelial growth factors and triamcinolone acetonide. DESIGN Retrospective, comparative case series. PARTICIPANTS Fifteen thousand eight hundred ninety-five intravitreal injections (9453(More)
The objective of this study was to establish the baseline retinal hemodynamic characteristics of stratified groups of diabetic patients at increasing risk for the development of diabetic macular edema (DME). Group 1 had 50 control subjects, group 2 had 56 diabetic patients without clinically visible retinopathy, group 3 had 54 diabetic patients with(More)
BACKGROUND Insulin-dependent diabetes mellitus (IDDM) and eating disorders are relatively common among young women in North America. Their coexistence could lead to poor metabolic control and an increased risk of the microvascular complications of IDDM. METHODS We studied 91 young women with IDDM at base line and four to five years later to determine the(More)
Twenty-five micrograms of human recombinant tissue plasminogen activator (tPA) was injected intracamerally into the eyes of three aphakic patients who developed severe intraocular fibrin formation within 24 hours after vitrectomy surgery. Fluid obtained from gas-fluid exchange specimens taken 24 hours after tPA injection was analyzed for tPA by an(More)
BACKGROUND Candida is becoming an important nosocomial pathogen as the incidence of hospital-acquired candidemia is rising. Candida endophthalmitis is a good indicator of systemic candidiasis in hospitalized patients. METHODS Thirteen (17%) of 76 ophthalmologic consultations for Candida endophthalmitis in our institution had positive findings during a(More)
BACKGROUND AND OBJECTIVE Pseudophakic and aphakic retinal detachments are associated with a lower percentage of successful primary repair with standard scleral buckling surgery, than phakic retinal detachments. The objective of this study was to determine whether a combined scleral buckle and vitrectomy, as a primary procedure, offers any advantage over(More)
PURPOSE A review of treat-and-extend regimens (TERs) with intravitreal anti-vascular endothelial growth factor agents in retinal diseases. METHODS There is a lack of consensus on the definition and optimal application of TER in clinical practice. This article describes the supporting evidence and subsequent development of a generic algorithm for TER(More)
Perfluorodecalin is a perfluorocarbon liquid used intraoperatively in retinal detachment repair. It is usually removed at the end of the procedure; however, residual amounts may be retained when poor corneal clarity or intraocular hemorrhage obscures the view. No clinical reports exist on the consequences of retained perfluorodecalin in the anterior(More)
OBJECTIVES To estimate the agreement between the macular edema maps (MEMs) of the Retina Module of the Heidelberg Retina Tomograph II (Heidelberg Engineering, Heidelberg, Germany) and contact lens fundus biomicroscopy (FB) and to assess the influence of combining MEM data with the results of short-wavelength automated perimetry (SWAP) and fluorescein(More)