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2012, Number 3

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Cuba y Salud 2012; 7 (3)

Body water estimates in elderly adults that attend nursing homes in Santiago de Cuba

Núñez BAI, Rizo RR, Lara LA, Morales LR

Language: Spanish
References: 19
Page: 2-8
PDF size: 834.03 Kb.


ABSTRACT

Objective: To estimate the volume of body water in a population of elderly adults.
Method: A descriptive study of cases carried out on individuals 60 years and older that attend a nursing home in the city of Santiago, Cuba. Electrical bioimpedence was used to determine the total body water in the subjects. The bioelectric parameters were studied according to sex, age groups and body mass index (BMI). The measurements were realized with BioScan equipment, which induces an electrical current of 800 μA at a frequency of 50 kHz. The results were used to estimate the total body water, in liters, and the percent body weight, according to Kotler logarithmic equations.
Results: 464 cases were studied, 264 men (56.9%) and 200 women (43.1%). In both sexes the prevalent group was aged 70 to 79 years old. Men were found to have higher weights and heights than the women, although the majority were normal weight. The total body water across all the age groups was higher in men. For each unit increase of body mass index the percent of total body water decreased 1.06 giving a linear association, statistically significant in both variables.
Conclusions: In the subjects studied, an increase in total body water was found in normal weight individuals as age increased, while those with higher body mass indexes showed lower water volumes.


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