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Bioelectrical impedance analysis in patients with posterior vitreous detachment
E Di Marco1, M Di Marino, M Lombardo
1Department of Experimental Medicine, Ophthalmology Unit, University of Rome Tor Vergata, Rome, Italy. Ernesto2601@hotmail.it.
European Review for Medical and Pharmacological Sciences
|August 22, 2023
Summary
This study found that body hydration levels, measured by bioelectrical impedance analysis (BIA), correlate with the severity of posterior vitreous detachment (PVD). Patients with partial PVD showed different hydration markers compared to those with complete PVD.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Human Physiology
Background:
- Posterior vitreous detachment (PVD) is a common condition often anecdotally linked to reduced water intake.
- Scientific literature lacks robust evidence supporting the association between PVD and decreased hydration.
- Assessing body hydration is crucial for understanding overall patient health and disease progression.
Purpose of the Study:
- To evaluate body hydration status in patients diagnosed with posterior vitreous detachment (PVD).
- To investigate the relationship between the degree of PVD and body composition parameters.
- To utilize bioelectrical impedance analysis (BIA) as a non-invasive method for hydration assessment in PVD patients.
Main Methods:
- Patients with PVD were categorized into partial (P-PVD) and complete (C-PVD) groups based on Spectral Domain Optical Coherence Tomography (SD-OCT).
- Bioelectrical impedance analysis (BIA) was performed to measure parameters including Resistance (R), Reactance (Xc), Total Body Water (TBW), and Extracellular Water (ECW).
- A cohort of 30 patients (12 P-PVD, 18 C-PVD) completed BIA measurements and a floaters symptoms questionnaire.
Main Results:
- Lower values of Resistance (R) and Reactance (Xc) were observed in the P-PVD group compared to the C-PVD group.
- Patients in the P-PVD group exhibited higher Total Body Water (TBW) and Extracellular Water (ECW) than those in the C-PVD group.
- Statistical analysis revealed significant differences in BIA parameters between the P-PVD and C-PVD patient groups.
Conclusions:
- The study demonstrates a significant correlation between the pathological state of the vitreous and anthropometric and bioelectrical impedance analysis measurements.
- Findings suggest that hydration status, as assessed by BIA, may be associated with the stage of posterior vitreous detachment.
- Further research is warranted to elucidate the complex relationship between PVD and body composition.
