Naslov
The effects of shift work on nonlinear aspects of cardiovascular dynamics

Autori
Tokić, Andrea ; Gregov, Ljiljana ; Nikolić, Matilda

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, ostalo

Izvornik
Book of Abstracts-7th International Nonlinear Science Conference 2017 / - , 2017

Skup
7th International Nonlinear Science Conference 2017

Mjesto i datum
Salzburg, Austrija, 06.04.2017. - 08.04.2017

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
shift work, cardiovascular dynamics, R-R interval, index of determinism, correlation dimension

Sažetak
Since shift work is considered as s risk factor for health problems due to the continuous desynchronization and resynchronization of circadian rhythms, the aim of this study was to determine whether shift work (and different length of this work) affects nonlinear aspects of cardiovascular dynamics in healthy shift workers. The study included 48 nurses divided in two groups (24 nurses in each) of equal age and length of service. One group worked in a three-shift rotation system and the other (control) worked only the day shift. On the basis of length of service, the groups were divided into three comparable subgroups with eight participants: 1–10, 11–20 and 21–30 years of service. Cardiac activity (R-R intervals) was monitored continuously during sleep using the Data Logging System. Results showed that shift workers with up to 10 years of service had higher values of correlation dimension than the equivalent group of day workers, but shift workers with more than 10 years of service had lower values of correlation dimension than comparable groups of day workers. All shift workers, regardless of length of service, had significantly higher indexes of determinism than day workers, but index of determinism slightly enlarge with increase of years of services. Generally, it seems that shift work has a negative impact on cardiovascular dynamics from very beginning, and nonlinear parameters of cardiovascular dynamics can be potential predictors of health problems in the future.

Izvorni jezik
Engleski

Znanstvena područja
Psihologija

POVEZANOST RADA