Disease markers · 2017
Longitudinal Assessment of Transorbital Sonography, Visual Acuity, and Biomarkers for Inflammation and Axonal Injury in Optic Neuritis.
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Lochner Piergiorgio, Cantello Roberto, Fassbender Klaus, Lesmeister Martin, Nardone Raffaele, Siniscalchi Antonio, Clemente Nausicaa, Naldi Andrea, Coppo Lorenzo, Brigo Francesco, Comi Cristoforo
Аннотация
BACKGROUND AND OBJECTIVE: To investigate the relationship between optic nerve sheath diameter, optic nerve diameter, visual acuity and osteopontin, and neurofilament heavy chain in patients with acute optic neuritis.
PATIENTS AND METHODS: Sonographic and visual acuity assessment and biomarker measurements were executed in 23 patients with unilateral optic neuritis and in 19 sex- and age-matched healthy controls.
RESULTS: ONSD was thicker on the affected side at symptom onset (median 6.3 mm; interquartile range 6.0-6.5) than after 12 months (5.3 mm; 4.9-5.6; p < 0.001) or than in controls (5.2 mm; 4.8-5.5; p < 0.001). OND was significantly increased in the affected side (3.4 mm; 2.9-3.8) compared to healthy controls (2.7 mm; 2.5-2.9; p < 0.001) and was thicker at baseline than after 12 months (2.8 mm; 2.7-3.0; p < 0.01). Visual acuity improved significantly after 12 months (1.00; 0.90-1.00) compared to onset of symptoms (0.80; 0.40-1.00; p < 0.001). OPN levels were significantly higher in patients at presentation (median 6.44 ng/ml; 2.05-10.06) compared to healthy controls (3.21 ng/ml, 1.34-4.34; p < 0.03). Concentrations of NfH were significantly higher in patients than in controls.
CONCLUSION: ONSD and OND are increased in the affected eye. OPN and NfH are elevated in patients, confirming the presence of any underlying inflammation and axonal injury.
PATIENTS AND METHODS: Sonographic and visual acuity assessment and biomarker measurements were executed in 23 patients with unilateral optic neuritis and in 19 sex- and age-matched healthy controls.
RESULTS: ONSD was thicker on the affected side at symptom onset (median 6.3 mm; interquartile range 6.0-6.5) than after 12 months (5.3 mm; 4.9-5.6; p < 0.001) or than in controls (5.2 mm; 4.8-5.5; p < 0.001). OND was significantly increased in the affected side (3.4 mm; 2.9-3.8) compared to healthy controls (2.7 mm; 2.5-2.9; p < 0.001) and was thicker at baseline than after 12 months (2.8 mm; 2.7-3.0; p < 0.01). Visual acuity improved significantly after 12 months (1.00; 0.90-1.00) compared to onset of symptoms (0.80; 0.40-1.00; p < 0.001). OPN levels were significantly higher in patients at presentation (median 6.44 ng/ml; 2.05-10.06) compared to healthy controls (3.21 ng/ml, 1.34-4.34; p < 0.03). Concentrations of NfH were significantly higher in patients than in controls.
CONCLUSION: ONSD and OND are increased in the affected eye. OPN and NfH are elevated in patients, confirming the presence of any underlying inflammation and axonal injury.