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Multicenter Study
. 2020 Sep;258(9):1851-1856.
doi: 10.1007/s00417-020-04701-z. Epub 2020 Apr 23.

Visual outcome and poor prognostic factors in acute retinal necrosis syndrome

Mora Paolo  1 , Zola Marta  2 , Favilla Stefania  3 , Tagliavini Viola  1 , Calzetti Giacomo  1 , Carta Arturo  1 , Gandolfi Stefano  1 , Guex-Crosier Yan  4
Affiliations
Multicenter Study

Visual outcome and poor prognostic factors in acute retinal necrosis syndrome

Mora Paolo et al. Graefes Arch Clin Exp Ophthalmol. 2020 Sep.

Erratum in

Abstract

Objective: To evaluate the impact of selected clinical parameters on the mid-/long-term visual outcome of patients with acute retinal necrosis (ARN)

Design: A retrospective cohort study

Setting: Two University Hospitals (Parma, Italy; Lausanne, Switzerland).

Participants: Thirty-nine non-HIV patients (39 eyes) with ARN, as confirmed by polymerase chain reaction on intraocular samples. The following potential predictors were tested using linear regression models: age, sex, etiology, best-corrected visual acuity (BCVA) on admission, delay between ARN symptom onset and treatment initiation, and surgery (performed or not).

Main outcome: BCVA at the final follow up

Results: Thirty-nine of 39 non-HIV patients (22 men and 17 women; mean age, 50 years) diagnosed with ARN were enrolled in the study. Etiologies were: varicella-zoster virus in 25 eyes (64%), herpes simplex viruses in the remaining 14 eyes. The average follow-up duration was 19 ± 13 months. All patients had undergone systemic antivirals; surgery was performed in 16 eyes. The mean delay between onset of visual symptoms and antiviral treatment initiation was 15 ± 31 days (range, 1-180 days). The mean BCVA at baseline was 0.83 ± 0.75 logMAR, while the mean final BCVA was 0.75 ± 0.81 logMAR. Both initial BCVA and treatment delay (TD) were significantly correlated with the final BCVA (p < 0.05).

Conclusions: Initial BCVA and TD seem to be significant predictors of mid-/long-term visual outcome in non-HIV patients affected by ARN.

Keywords: Acute retinal necrosis (ARN); Predictors; Treatment; Visual outcome.

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