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Blink reflex alterations in recently diagnosed diabetic patients
Benjamin Trujillo-Hernández1, Miguel Huerta, Daniel Pérez-Vargas
1Unit of Clinical Epidemiology Research, Hospital General de Zona y Medicina Familiar No. 1, Col., Colima, Mexico. trujillobenjamin@hotmail.com
Summary
Blink reflex alterations are common in early-stage Type 2 diabetes mellitus, even without high blood sugar. These changes in diabetic patients suggest early nervous system impact.
Area of Science:
- Neurology
- Endocrinology
- Ophthalmology
Background:
- Diabetes mellitus is known to affect the nervous system.
- Early detection of neurological complications in Type 2 diabetes is crucial.
- Blink reflex alterations can indicate underlying neurological dysfunction.
Purpose of the Study:
- To determine the frequency of blink reflex alterations in recently diagnosed Type 2 diabetes mellitus patients.
- To investigate the role of hyperglycemia in inducing these alterations.
- To assess blink reflex changes in asymptomatic diabetes with short disease duration.
Main Methods:
- A cross-sectional study involving 47 patients with asymptomatic Type 2 diabetes (evolution <10 years).
- Measurement of serum glycemia levels and blink reflex component latencies.
- Comparison of results with a non-diabetic control group.
Main Results:
- 14.8-31.9% of diabetic patients exhibited altered blink reflex latencies.
- These alterations were statistically significant when compared to the control group (p<0.05).
- No clear link was found between glycemic levels and the observed blink reflex changes.
Conclusions:
- Blink reflex alterations are present in Type 2 diabetes mellitus, even in early stages.
- These findings suggest early central and peripheral nervous system involvement in diabetes.
- Further research is needed to understand the mechanisms and implications of these early neurological changes.