4.6 Article

Sympathovagal imbalance decades after atrial septal defect repair: a long-term follow-up study

期刊

出版社

OXFORD UNIV PRESS INC
DOI: 10.1093/ejcts/ezab235

关键词

Heart rate variability; Atrial septal defect; Congenital heart disease; Sympathovagal imbalance; Long-term follow-up

资金

  1. Children's Heart Foundation [18-R110-A5174-26044]
  2. Helga and Peter Korning's Fund [472123-003-42]
  3. Aarhus University
  4. Novo Nordic Foundation [NNFSA170030576]

向作者/读者索取更多资源

The study aimed to investigate autonomic cardiac function in adults with corrected atrial septal defects (ASDs) through heart rate variability (HRV) analysis. The results showed that adults with either surgically closed or percutaneously closed ASDs had impaired HRV compared to healthy controls, with surgically closed patients showing more severe impairment.
OBJECTIVES: Recent evidence suggests that patients with a corrected atrial septal defect (ASD) have higher morbidity and mortality. An abnormal autonomic regulation of the heart may be a part of the explanation for this. Our objective was to study heart rate variability (HRV) in adults with a corrected ASD as a prominent tool to investigate the autonomic regulation of the heart. METHODS: Autonomic cardiac function was investigated in adults with either a surgically closed or percutaneously closed ASD and healthy control subjects. A 48-h Holter monitor was performed on each participant and HRV was assessed. RESULTS: A total of 17 patients with surgically closed ASDs, 18 percutaneously closed ASDs and 18 controls were included. The mean age in the surgical group, percutaneous group and controls was 32 +/- 9, 28 +/- 7 and 32 +/- 10 years, respectively. The mean time since closure was 19 +/- 8 years for the surgical group and 15 +/- 5 years for the percutaneous group. The surgically closed ASD patients showed decreased HRV in all six parameters studied when compared to the controls. Similarly, the percutaneously closed ASDs showed decreased HRV in three out of six parameters when compared to controls. CONCLUSIONS: Adults with an ASD, whether closed surgically or percutaneously, have impaired HRV compared to their age- and sex-matched controls, more so in the patients with a surgically closed ASD.

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