The temporal relationship between heart rate recovery immediately after exercise and the metabolic syndrome: The CARDIA study

Mohammad Ali Kizilbash, Mercedes R. Carnethon*, Cheeling Chan, David R. Jacobs, Stephen Sidney, Kiang Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Aims: Slower heart rate recovery (HRR) following exercise is associated with the metabolic syndrome, yet the temporal relationship between the two remains unknown. We investigated the cross-sectional and longitudinal associations of slower HRR following a graded exercise treadmill test (GXT) with metabolic syndrome components and LDL-C. Methods and results: Participants aged 18-30 from the Coronary Artery Risk Development in Young Adults study underwent a symptom-limited maximal GXT at baseline (n=4319) and 7 years later. HRR was calculated as the difference between maximum heart rate (HR) and HR 2 min after test cessation. Slower baseline HRR was associated with a higher cross-sectional level but not longitudinal (15 year follow-up) increases in blood pressure, triglyceride, waist circumference, and LDL-C. No cross-sectional or longitudinal association was observed between HRR and HDL-C. In contrast, participants with one or two or more metabolic syndrome components (National Cholesterol Education Program III and American Diabetes Association criterion) at baseline examination had significantly larger longitudinal declines in HRR [-3.48 (P<0.05) and-5.64 bpm (P<0.001), respectively] from baseline to year 7, when compared with participants without syndrome components (-2.40 bpm). Conclusion: Slower HRR does not precede development of the metabolic syndrome, but appears after syndrome components are present.

Original languageEnglish (US)
Pages (from-to)1592-1596
Number of pages5
JournalEuropean heart journal
Volume27
Issue number13
DOIs
StatePublished - Jul 2006

Keywords

  • Autonomic nervous system
  • Coronary risk factors
  • Exercise treadmill
  • Heart rate recovery
  • Insulin resistance
  • Metabolic syndrome

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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