Cardiac Autonomic Imbalance in Children with Allergic Rhinitis

In this cross-sectional, case-control study, we evaluated the autonomic system by measuring heart rate variability in pediatric patients with allergic rhinitis

Emre Tascilar; Mehmet Yokusoglu; Rusen Dundaroz; Oben Baysan; Sami Ozturk; Yilmaz Yozgat; Ayhan Kilic

2009

Scholarcy highlights

  • The involvement of autonomic imbalance has been reported in the pathogenesis of hypersensitivity reactions
  • Allergic diseases are more frequent in children and some of predisposing factors may be changed according to the increasing age, but the involvement of autonomic imbalance has not been investigated in pediatric population
  • We found significant increase in calculated heart rate variability variables in children with allergic rhinitis compared to controls, which reflect parasympathetic tones, such as number of R-R intervals exceeding 50 ms, root mean square of successive differences between normal sinus R-R intervals, the percentage of difference between adjacent normal R-R intervals, and high frequency
  • We propose that autonomic imbalance may be involved in the pathophysiology of allergic rhinitis in pediatric patients
  • Allergic rhinitis is defined as an inflammatory disorder of the upper airways, inflammation alone is insufficient to explain the chronic nature of the disease
  • This study showed that HRV parameters, which mainly reflect vagal tone, were increased in patients with allergic rhinitis

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