Effects of high-intensity interval exercise on cardiac troponin elevation when comparing with moderate-intensity continuous exercise: a systematic review and meta-analysis

Shuoqi Li, Shazlin Shaharudin*, Rafel Cirer-Sastre, Feifei Li, Faizal Abdul Manaf, Mohd Faiz Mohd Shukri*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)

Abstract

Background: This systematic review and meta-analysis aimed to compare the effects of high-intensity interval exercise (HIIE) with different recovery modes versus moderate-intensity continuous exercise (MICE) on cardiac troponin (cTn) elevation. 


Methodology: A literature search was conducted in four databases: Scopus, PubMed, EBSCO and Web of Science from January 2010 to June 2022. The articles were screened, evaluated for quality before data were extracted. The review protocol was registered at PROSPERO (CRD42021245649). Standardized mean differences (SMD) of peak cTn were analyzed with a 95% confidence interval (95% CI) using Revman 5.4 software. 


Results: Six studies satisfied the inclusion criteria with a total of 92 and 79 participants for HIIE and MICE, respectively. Overall, there was no significant difference between HIIE and MICE in the elevation of cardiac troponin T (SMD: 0.41 [95% CI [−0.21, 1.03]], p = 0.20, I2 = 77%, p for heterogeneity <0.01). In subgroup analysis, HIIE with passive recovery elicits greater release of cardiac troponin T than MICE (SMD: 0.85 [95% CI [0.44, 1.27]], p < 0.01, I2 = 32%, p for heterogeneity = 0.22). Changes of cardiac troponin T (SMD: 0.41 [95% CI [−0.21, 1.03]], p = 0.20, I2 = 77%, p for heterogeneity < 0.01) after HIIE with active recovery were not significantly different from those of MICE. 


Conclusions: There was no significant difference between HIIE and MICE in the elevation of cardiac troponin T. However, HIIE with passive recovery elicited more cardiac troponin T elevation than MICE, which should be considered when developing exercise programs.

Original languageEnglish
Article numbere14508
Number of pages17
JournalPeerJ
Volume11
DOIs
Publication statusPublished - 11 Jan 2023

Scopus Subject Areas

  • General Neuroscience
  • General Biochemistry,Genetics and Molecular Biology
  • General Agricultural and Biological Sciences

User-Defined Keywords

  • Intermittent exercise
  • Human health
  • Exercise physiology
  • Sports medicine

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