Methods Inf Med - Relationship between malocclusion and heart rate variability indices in young adults: a pilot study.

Tópicos

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Resumo

JECTIVES: Heart rate variability (HRV) has been used to assess sympathetic and parasympathetic modulation of heart rate. Chronic stress relates to reduced HRV. Malocclusion has effects on quality of life, which can lead to chronic stress. Therefore, we hypothesized that malocclusion, as chronic stress, may contribute to reduced HRV. The aim of this study was to investigate the relationship between malocclusion and HRV indices in healthy young adults.METHODS: Thirty-seven non-smoking healthy subjects, aged 22 to 25 years, were examined. Malocclusion was defined by Angle classification. HRV indices included root mean square of successive differences, low frequency (LF), high frequency (HF) and ratio of LF to HF. The effects of malocclusion on quality of life and mental health were assessed using self-reported questionnaires, the condition-specific Oral Impacts on Daily Performances index (CS-OIDP) and the Hopkins Symptoms Checklist (HSCL), respectively.RESULTS: Significantly lower score of HF and higher heart rate (HR) level and CS-OIDP score were observed in subjects with malocclusion (n = 17) compared to those in the control subjects (n = 20) ( P <0.05). There was a positive correlation between HR and score of "anxiety" in HSCL ( P <0.05).CONCLUSIONS: The data showed an association between malocclusion and lower HRV. Based on our results, orthodontic treatment might contribute not only to improvement of oral esthetic and functional problems but also to improvement of stress and HRV indices.

Resumo Limpo

jectiv heart rate variabl hrv use assess sympathet parasympathet modul heart rate chronic stress relat reduc hrv malocclus effect qualiti life can lead chronic stress therefor hypothes malocclus chronic stress may contribut reduc hrv aim studi investig relationship malocclus hrv indic healthi young adultsmethod thirtyseven nonsmok healthi subject age year examin malocclus defin angl classif hrv indic includ root mean squar success differ low frequenc lf high frequenc hf ratio lf hf effect malocclus qualiti life mental health assess use selfreport questionnair conditionspecif oral impact daili perform index csoidp hopkin symptom checklist hscl respectivelyresult signific lower score hf higher heart rate hr level csoidp score observ subject malocclus n compar control subject n p posit correl hr score anxieti hscl p conclus data show associ malocclus lower hrv base result orthodont treatment might contribut improv oral esthet function problem also improv stress hrv indic

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