Detailed Information on Publication Record
2023
Assessment of retinal vein pulsation through video-ophthalmoscopy and simultaneous biosignals acquisition
KOLAR, Radim, Tomas VICAR, Jiri CHMELIK, Roman JAKUBICEK, Jan ODSTRCILIK et. al.Basic information
Original name
Assessment of retinal vein pulsation through video-ophthalmoscopy and simultaneous biosignals acquisition
Authors
KOLAR, Radim (203 Czech Republic), Tomas VICAR (203 Czech Republic), Jiri CHMELIK (203 Czech Republic), Roman JAKUBICEK (203 Czech Republic), Jan ODSTRCILIK (203 Czech Republic), Eva VALTEROVA (203 Czech Republic), Michal NOHEL (203 Czech Republic), Karolína SKORKOVSKÁ (203 Czech Republic, belonging to the institution) and Ralf P TORNOW
Edition
Biomedical Optics Express, WASHINGTON, OPTICA PUBLISHING GROUP, 2023, 2156-7085
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
30207 Ophthalmology
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 3.400 in 2022
RIV identification code
RIV/00216224:14110/23:00133679
Organization unit
Faculty of Medicine
UT WoS
001019493200001
Keywords in English
retinal vein pulsation; ophthalmoscopy; simultaneous biosignals acquisition
Tags
International impact, Reviewed
Změněno: 29/2/2024 08:06, Mgr. Tereza Miškechová
Abstract
V originále
The phenomenon of retinal vein pulsation is still not a deeply understood topic in retinal hemodynamics. In this paper, we present a novel hardware solution for recording retinal video sequences and physiological signals using synchronized acquisition, we apply the photoplethysmographic principle for the semi-automatic processing of retinal video sequences and we analyse the timing of the vein collapse within the cardiac cycle using of an electrocardiographic signal (ECG). We measured the left eyes of healthy subjects and determined the phases of vein collapse within the cardiac cycle using a principle of photoplethysmography and a semi-automatic image processing approach. We found that the time to vein collapse (Tvc) is between 60 ms and 220 ms after the R-wave of the ECG signal, which corresponds to 6% to 28% of the cardiac cycle. We found no correlation between Tvc and the duration of the cardiac cycle and only a weak correlation between Tvc and age (0.37, p = 0.20), and Tvc and systolic blood pressure (-0.33, p = 0.25). The Tvc values are comparable to those of previously published papers and can contribute to the studies that analyze vein pulsations.