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Descrição Detalhada da Publicação
Tear meniscus and corneal sub-basal nerve plexus assessment in primary Sjögren syndrome and Sicca syndrome patients
Título Revista
Cornea
Ano (publicação definitiva)
2019
Língua
Inglês
País
Estados Unidos da América
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Abstract/Resumo
PURPOSE: To evaluate lower tear meniscus and corneal sub-basal nerve plexus in primary Sjögren's syndrome (pSS) and Sicca syndrome patients. METHODS: Cross-sectional study of 116 patients with Sicca syndrome associated with pSS and not associated with Sjögren's syndrome (non-SS Sicca) and 20 normal control subjects. Tear meniscus height and area were measured using anterior segment optical coherence tomography; corneal sub-basal nerve plexus density, length, and tortuosity were evaluated using in vivo confocal microscopy. Data analysis was performed using IBM-SPSS Statistics 24.0. RESULTS: Corneal sub-basal nerve plexus density and length were significantly lower, and tortuosity was significantly higher in pSS and non-SS Sicca groups than in normal control subjects (P < 0.001; P = 0.018, respectively). Corneal sub-basal nerve plexus presented a strong association with Schirmer test I and tear breakup time. Cutoff values of sub-basal nerve plexus density (36.5 nerve/mm) and length (12.5 mm/mm) presented 80.2% to 81.9% sensitivity and 85% specificity for detecting Sicca syndrome patients. No significant differences were found between the 3 groups regarding tear meniscus height and area. CONCLUSIONS: Corneal sub-basal nerve plexus in vivo confocal microscopy may be a useful tool in the assessment of dry eye disease in Sicca syndrome, complementing the information provided by the conventional modalities used in dry eye disease evaluation.
Agradecimentos/Acknowledgements
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Palavras-chave
Dry eye disease,Tear meniscus Anterior Segment – Optical Coherence Tomography,Corneal in vivo Confocal Microscopy
Classificação Fields of Science and Technology
- Medicina Clínica - Ciências Médicas
Registos de financiamentos
Referência de financiamento | Entidade Financiadora |
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UID/SOC/03126/2013 | Fundação para a Ciência e a Tecnologia |