Blood Pressure Variability and Choroidal Thickness in Hypertensive Patients
Author Information
Author(s): Carollo Caterina, Vadalà Maria, Ferrara Marta, Chisci Enea, La Felice Alberto, Di Natale Katia Valeria, Sorce Alessandra, Bonfiglio Vincenza Maria Elena, Mulè Giuseppe
Primary Institution: Università di Palermo
Hypothesis
What is the relationship between short-term blood pressure variability and choroidal-retinal thickness in hypertensive patients?
Conclusion
The study found a significant negative association between short-term blood pressure variability and choroidal thickness, suggesting that choroidal thickness could be a marker of cardiovascular risk.
Supporting Evidence
- The study demonstrated a statistically significant correlation between choroidal thickness and blood pressure variability.
- Choroidal thickness was assessed using Swept-Source Optical Coherence Tomography.
- Multivariate analysis confirmed the association between ARV of daytime DBP and choroidal thickness.
- Choroidal thickness changes may serve as a more sensitive marker of organ damage than retinal thickness changes.
Takeaway
This study looked at how changes in blood pressure can affect the thickness of a part of the eye called the choroid, finding that more variability in blood pressure is linked to thinner choroids.
Methodology
The study involved 98 hypertensive patients who underwent 24-hour blood pressure monitoring and optical coherence tomography to assess choroidal thickness.
Potential Biases
Potential biases may arise from the observational nature of the study and the exclusion criteria applied.
Limitations
The study's cross-sectional design limits the ability to establish causal relationships.
Participant Demographics
Participants were Caucasian hypertensive patients aged between 25 and 75 years, with 71% being male.
Statistical Information
P-Value
p = 0.02 for ARV of daytime DBP and ChT-or; p = 0.001 for ARV of daytime DBP and central ring mean thickness; p = 0.003 for ARV of daytime DBP and inner choroidal ring mean thickness.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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