Retinal Changes in Spinocerebellar Ataxia Type 1 Patients
Author Information
Author(s): Sarah Stricker, Timm Oberwahrenbrock, Hanna Zimmermann, Jan Schroeter, Matthias Endres, Alexander U. Brandt, Friedemann Paul
Primary Institution: Charité – Universitätsmedizin Berlin
Hypothesis
To evaluate retinal changes in SCA1 patients compared to age and gender matched healthy controls.
Conclusion
In SCA1 patients, we found evidence for degeneration of retinal nerve fibers, particularly in the temporal regions.
Supporting Evidence
- SCA1 patients showed a significant reduction of mean retinal nerve fiber layer thickness compared to healthy controls.
- Temporal areas showed the most prominent RNFLT reduction with high statistical significances.
- Visual acuity of SCA1 patients was significantly reduced compared to healthy controls.
Takeaway
This study looked at how the eyes of people with a specific brain disease called SCA1 are affected, finding that their eye nerves are thinner than those of healthy people.
Methodology
Nine SCA1 patients were compared to nine healthy controls using optical coherence tomography to measure retinal nerve fiber layer thickness.
Potential Biases
Potential biases due to the small sample size and the specific patient population.
Limitations
The small sample size and the pilot nature of the study limit the generalizability of the findings.
Participant Demographics
Nine SCA1 patients (5 male, 4 female) aged 39 to 67 years, matched with nine healthy controls.
Statistical Information
P-Value
0.004
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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