ArticleZhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics2018
[Effect of vitamin D deficiency on cardiac autonomic nerve function in obese pre-school children].
Article in Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo study the effect of vitamin D (VitD) deficiency on cardiac autonomic nerve function in obese pre-school children.
methodsA total of 242 pre-school children with simple obesity were enrolled, and according to the serum 25-(OH) VitD level, they were divided into VitD deficiency group (76 children), VitD insufficiency group (83 children), and VitD sufficiency group (83 children). The three groups were compared in terms of deceleration capacity (DC) of heart rate, acceleration capacity (AC) of heart rate, and heart rate variability (HRV). The correlations of VitD level with DC, AC, and HRV were analyzed for the VitD insufficiency and VitD deficiency groups.
resultsThe VitD deficiency group had the lowest DC, root mean square of successive differences between adjacent RR intervals (RMSSD), and low-frequency power (LF) and the highest AC (P<0.05). The VitD insufficiency group had significantly lower DC, RMSSD, and LF and significantly higher AC compared with the VitD sufficiency group (P<0.05). The VitD deficiency group had significantly lower standard deviation of normal-to-normal RR intervals (SDNN) and high-frequency power (HF) than the VitD sufficiency group (P<0.05). In the VitD deficiency group, VitD level was positively correlated with DC, SDNN, standard deviation of average normal-to-normal RR intervals, RMSSD , LF, and HF and was negatively correlated with AC (P<0.05). In the VitD insufficiency group, VitD level was negatively correlated with AC (P<0.05).
conclusionsObese pre-school children with VitD insufficiency or deficiency have cardiac autonomic dysfunction, and cardiac vagal tone decreases with the reduction in VitD level.
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30210029PMC7389169W3025684979What OpenQuestion holds
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