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1.
Sci Rep ; 13(1): 16927, 2023 10 07.
Article in English | MEDLINE | ID: mdl-37805622

ABSTRACT

This study investigates patient's clinical characteristics and management outcomes of PCR-positive Acute Retinal Necrosis (ARN). The patient's clinical characteristics of the disease, and therapeutic approaches were assessed. Data from the medical records of 40 eyes of 40 patients were analyzed. The mean ± standard deviation (SD) of the age of the patients was 47.8 ± 14.1 years (16-84 years old). The median follow-up time was 160 days, with a range of 120-370 days. The mean ± SD of patients' primary and final BCVA was 1.24 ± 0.78 and 1.08 ± 0.86 LogMAR, respectively. The final BCVA increased significantly after the treatment in the last follow-up period in patients who did not undergo PPV (p = 0.029). Although, vision changes were not statistically significant in patients who underwent PPV (p = 0.549). 75% of our patients had a positive aqueous PCR for VZV, and the second most common causative agents were CMV and HSV (10% for each). Besides, rhegmatogenous retinal detachment (RRD) occurred in 25% of our patients. Our analysis showed that the presenting visual acuity and RRD occurrence are the significant prognostic factors for final blindness in ARN.


Subject(s)
Retinal Detachment , Retinal Necrosis Syndrome, Acute , Humans , Adult , Middle Aged , Adolescent , Young Adult , Aged , Aged, 80 and over , Retinal Necrosis Syndrome, Acute/diagnosis , Retinal Necrosis Syndrome, Acute/drug therapy , Retinal Detachment/surgery , Scleral Buckling/adverse effects , Vitrectomy/adverse effects , Eye , Retrospective Studies
2.
Int J Retina Vitreous ; 8(1): 66, 2022 Sep 15.
Article in English | MEDLINE | ID: mdl-36109794

ABSTRACT

BACKGROUND: The present study reports the functional and anatomical outcomes of eyes with acute retinal necrosis(ARN). METHODS: This is a retrospective case series conducted at a tertiary Eye Hospital from March 2015 to March 2020. Medical records of patients with clinical and laboratorial-Polymerase Chain Reaction (PCR)-diagnosis of ARN were reviewed. To identify factors related to the outcomes of visual acuity(VA) and retinal detachment (RD) over time, Cox proportional hazards regression modeling and survival analyses were used. RESULTS: Twenty-three eyes of 23 patients (16 male, 7 female) were reviewed. Based on the PCR results, 16 cases (69.6%) had Varicella zoster virus, 3 cases (13%) had Cytomegalovirus, 1 patient (4.3%) had Herpes simplex virus associated ARN, and 1 case (4.3%) had negative PCR. The incident rate for ≥ 2-line VA gain was 0.28/eye-year (EY) (95% CI 0.21 ± 0.26) while the rate of severe vision loss was 0.09/eye-year (95% CI 0.05 ± 0.08). The RD development was observed at a rate of 0.43/eye-year (0.42 ± 0.02), which occurred in 9 eyes with a mean time of 100 days after the initial presentation of ARN. Patients' age was the only factor associated with 2-line or more gain in VA over time with a hazard ratio of 0.921 (95% CI 0.854-0.993, P = 0.032). CONCLUSIONS: Generally, although being crucial, treatment is not highly effective in improvement of VA and decrease of RD development, as well as vision loss, in patients with ARN. However, treatment prevents fellow eye involvement efficiently. Younger age is associated with better response to treatment and more chance to achieve better VA.

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