Ocular immunology and inflammation · 2016
Correlation of Clinical Outcomes with Quantitative Polymerase Chain Reaction DNA Copy Number in Patients with Acute Retinal Necrosis.
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Calvo Charles M, Khan Mohammed Ali, Mehta Sonia, Garg Sunir J, Dunn James P
Аннотация
PURPOSE: To correlate visual acuity outcomes and clinical features with quantitative PCR DNA copy number in patients with acute retinal necrosis (ARN).
METHODS: Retrospective, consecutive case series.
RESULTS: In total, 14 eyes of 13 patients were diagnosed with ARN, based on the American Uveitis Society criteria, and were followed for a mean of 324.5 days (median 250.5 days, SD ± 214 days). Anterior chamber fluid analyzed by quantitative PCR identified viral DNA in 11 of 14 eyes (78.5%). Varicella zoster virus (VZV) was identified in seven eyes (50%) and herpes simplex virus (HSV) in four eyes (28.5%). Mean DNA copy number was 7.9 × 106/mL (median 2.10 × 106/mL, range: 0-5.60 × 107/mL). Eyes with quantitative PCR DNA copy number of ≥5.0 × 106/mL (n = 6 eyes) had worse baseline visual acuity (logMAR 1.48 ± 0.71 vs 0.94 ± 0.76, p = 0.196) and final visual acuity (logMAR 2.10 ± 0.60 vs 0.82 ± 0.81, p = 0.007) compared with patients with a DNA copy number <5.0 × 106/mL (n = 8 eyes). Patients with a DNA copy number of ≥5.0 × 106/mL were more likely to have at least 5 clock hours of retinitis on funduscopic exam (p = 0.03) and developed retinal detachment more frequently (p = 0.08).
CONCLUSIONS: Quantitative DNA copy number of ≥5.0 × 106/mL is associated with more extensive retinitis, worse visual acuity, and development of retinal detachment in patients with acute retinal necrosis.
METHODS: Retrospective, consecutive case series.
RESULTS: In total, 14 eyes of 13 patients were diagnosed with ARN, based on the American Uveitis Society criteria, and were followed for a mean of 324.5 days (median 250.5 days, SD ± 214 days). Anterior chamber fluid analyzed by quantitative PCR identified viral DNA in 11 of 14 eyes (78.5%). Varicella zoster virus (VZV) was identified in seven eyes (50%) and herpes simplex virus (HSV) in four eyes (28.5%). Mean DNA copy number was 7.9 × 106/mL (median 2.10 × 106/mL, range: 0-5.60 × 107/mL). Eyes with quantitative PCR DNA copy number of ≥5.0 × 106/mL (n = 6 eyes) had worse baseline visual acuity (logMAR 1.48 ± 0.71 vs 0.94 ± 0.76, p = 0.196) and final visual acuity (logMAR 2.10 ± 0.60 vs 0.82 ± 0.81, p = 0.007) compared with patients with a DNA copy number <5.0 × 106/mL (n = 8 eyes). Patients with a DNA copy number of ≥5.0 × 106/mL were more likely to have at least 5 clock hours of retinitis on funduscopic exam (p = 0.03) and developed retinal detachment more frequently (p = 0.08).
CONCLUSIONS: Quantitative DNA copy number of ≥5.0 × 106/mL is associated with more extensive retinitis, worse visual acuity, and development of retinal detachment in patients with acute retinal necrosis.
Предметные рубрики MeSH
AcyclovirAdultAgedAged, 80 and overAntiviral AgentsAqueous HumorDNA, ViralEye Infections, ViralFemaleGene DosageHerpes SimplexHerpes Zoster OphthalmicusHerpesvirus 3, HumanHumansMaleMiddle AgedReal-Time Polymerase Chain ReactionRetinal Necrosis Syndrome, AcuteRetrospective StudiesSimplexvirusStatistics as TopicValacyclovirValineVisual AcuityYoung Adult