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Room: E-Poster Hall

P-12.65 Physical activity of liver recipients measured by wearable devices and obesity

Yulia Malinovskaya, Russian Federation

researсh fellow, hepatologist


Physical activity of liver recipients measured by wearable devices and obesity

Yulia Malinovskaya1, Ksenia Kokina1, Yan Moysyuk1.

1Transplantology, MONIKI, Moscow, Russian Federation

Introduction: Low physical activity increases the risks of cardiovascular disease, in liver recipients too. It is necessary to examine liver recipients daily activity.
Materials and methods: The study included 87 liver recipients observed in MONIKI, Moscow region. We have measured anthropometry, have performed physical performance tests (6-min walk test, Short Physical Performance Battery)  and provided wearable device - tracker of physical activity OneTrak c320 pulse (manufactured by Sportideya). Number of steps were automatically transferred from the tracker to the application on the smartphone, then to the server and database. Patients were divided into groups twice: 1) more and less than 10 000 steps, 2) more and less than 4 000 steps.
Results: The study included 87 pts, age 54 ye [45; 61] (Me [25%; 75%]), 33% male. The follow-up period was 36 months [16; 64]. BMI have significantly increased from 24 [21;27]кг/м2 at surgery to 26 [23; 29] kg/m2 (p = 0.008).  Obesity (BMI> 30 kg/m2) was diagnosed in 21% of recipients, overweight and normal body weight - 39% and 40% , respectively. The proportion of obese patients significantly increased from 14% to 21% after transplantation (p <0.001).
The median and quartiles for steps quantity was 5,9 thousands per day [4,1;8,7]. The proportion of patients who do more than 10 thousand steps a day was 15%, less than 4 thousand steps - 22%.
After dividing by 10 000 steps, as well as by 4 000 steps (after exclusion of patients who performed an unsatisfactory test for a 6-min walk) no differences in BMI, age, length of hospitalization, MELD, physical performance tests, proportion of early dysfunction, prednisolone intake, time of follow-up between groups were detected.
Conclusions: There were no significant differences in the number of steps between groups with and without obesity, so a study of the caloric intake is necessary. The hypodynamic patients had no physiological reasons for low activity and could increase their steps per day if they would like to. About a quarter of the recipients have low activity level, it is necessary to work with these patients to improve it.



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