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Association of retinal neurodegeneration with the progression of cognitive decline in Parkinson’s disease

Murueta-Goyena, A ; Romero-Bascones, D ; Teijeira-Portas, S ; Urcola, JA ; Ruiz-Martínez, J ; Del Pino, R ; Acera, M ; Petzold, A ; Wagner, SK ; Keane, PA ; Ayala, U ; Barrenechea, M ; Tijero, B ; Gómez Esteban, JC ; Gabilondo, I

Springer Science and Business Media LLC 2024-12

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  • Título:
    Association of retinal neurodegeneration with the progression of cognitive decline in Parkinson’s disease
  • Autor: Murueta-Goyena, A ; Romero-Bascones, D ; Teijeira-Portas, S ; Urcola, JA ; Ruiz-Martínez, J ; Del Pino, R ; Acera, M ; Petzold, A ; Wagner, SK ; Keane, PA ; Ayala, U ; Barrenechea, M ; Tijero, B ; Gómez Esteban, JC ; Gabilondo, I
  • Assuntos: Neurodegeneration ; Parkinson's disease ; Prognostic markers ; Visual system
  • Notas: npj Parkinson's Disease , 10 (1) , Article 26. (2024)
  • Descrição: Retinal thickness may serve as a biomarker in Parkinson’s disease (PD). In this prospective longitudinal study, we aimed to determine if PD patients present accelerated thinning rate in the parafoveal ganglion cell-inner plexiform layer (pfGCIPL) and peripapillary retinal nerve fiber layer (pRNFL) compared to controls. Additionally, we evaluated the relationship between retinal neurodegeneration and clinical progression in PD. A cohort of 156 PD patients and 72 controls underwent retinal optical coherence tomography, visual, and cognitive assessments between February 2015 and December 2021 in two Spanish tertiary hospitals. The pfGCIPL thinning rate was twice as high in PD (β [SE] = −0.58 [0.06]) than in controls (β [SE] = −0.29 [0.06], p < 0.001). In PD, the progression pattern of pfGCIPL atrophy depended on baseline thickness, with slower thinning rates observed in PD patients with pfGCIPL below 89.8 µm. This result was validated with an external dataset from Moorfields Eye Hospital NHS Foundation Trust (AlzEye study). Slow pfGCIPL progressors, characterized by older at baseline, longer disease duration, and worse cognitive and disease stage scores, showed a threefold increase in the rate of cognitive decline (β [SE] = −0.45 [0.19] points/year, p = 0.021) compared to faster progressors. Furthermore, temporal sector pRNFL thinning was accelerated in PD (β time x group [SE] = −0.67 [0.26] μm/year, p = 0.009), demonstrating a close association with cognitive score changes (β [SE] = 0.11 [0.05], p = 0.052). This study suggests that a slower pattern of pfGCIPL tissue loss in PD is linked to more rapid cognitive decline, whereas changes in temporal pRNFL could track cognitive deterioration.
  • Editor: Springer Science and Business Media LLC
  • Data de criação/publicação: 2024-12
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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