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Revista chilena de pediatría

Print version ISSN 0370-4106


CIUDAD, Daniel et al. Response to the six-minute walk test in children with cardiovascular risk. Rev. chil. pediatr. [online]. 2020, vol.91, n.4, pp.561-567.  Epub Aug 24, 2020. ISSN 0370-4106.


Cardiovascular risk (CVR) is defined as the possibility of a subject suffering from car diovascular disease within a certain period. Although the pathology appears in adult life, the physiopathological changes start to develop at an early age.


To establish the relationship bet ween cardiorespiratory capacity (CRC)and CVR in children with metabolic syndrome.

Patients and Methods:

We analyzed data corresponding to 42 children aged from 5 to 15 years who were seen at the Children’s Cardiology Unit of the Carlos Van Buren Hospital between 2015 and 2017. Each parti cipant was categorized according to the Alustiza’s CVR score, which defines 3 levels of risk: low (0 to 6 points), medium (7 to 8 points) and high (9 or more points), which representing a greater probability of developing cardiovascular disease, and performed 6MWT.


The mean age of the children was 10.9 ± 2.7 years, body mass index (BMI) = 31.0 ± 4.6 kg/m2 (z-score 3.2 ± 0.7), percentage of theoretical distance walked = 75.2 ± 8.9, and percentage of heart rate reserve (HRR) = 31.0 ± 9.4. There was no statistical association between 6MWT and CVR.


There is no relationship between the cardiorespiratory capacity and the CVR. The use of the 6MWT is questioned as an ins trument to assess CVR in the population under study.

Keywords : Cardiovascular Risk; Alustiza Score; Six-Minute Walk Test; Children; Metabolic Syndrome.

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