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Complications of treadmill testing

H Singh1, G K Aneja, T N Mehrotra

  • 1Department of Medicine LLRM Medical College, Meerut.

The Journal of the Association of Physicians of India
|May 1, 1996
PubMed
Summary
This summary is machine-generated.

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Treadmill stress tests are generally safe, with a low complication rate of 1.2% in 2,400 patients. Most complications were minor arrhythmias, with no reported deaths during exercise or recovery.

Area of Science:

  • Cardiology
  • Exercise Physiology

Background:

  • Treadmill stress testing is a common diagnostic tool for cardiovascular disease.
  • Understanding the incidence and types of complications is crucial for patient safety.

Purpose of the Study:

  • To report and analyze complications encountered during 2,400 treadmill exercise tests.
  • To identify patient groups at higher risk for complications.

Main Methods:

  • Retrospective analysis of 2,400 treadmill tests.
  • Categorization and documentation of all reported complications.
  • Correlation of complications with patient demographics, pre-existing conditions, and exercise workload.

Main Results:

  • A total of 29 complications (1.2%) occurred in 2,400 tests, predominantly in males (87.8%).

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  • Most common complications included non-sustained ventricular tachycardia, bradyarrhythmias, and hypotension. Acute myocardial infarction (MI) and sustained ventricular tachycardia (VT) were less frequent but more serious.
  • Post-MI patients (2.01%) and those with typical angina (1.9%) showed the highest complication incidence. Patients with complications had higher rates of provocative ischemia positivity (55.17% vs. 22.75%).
  • Complications occurred during both exercise and recovery phases, with a notable number at 4-6 METS workload.

    • Conclusions:

    • Treadmill testing is associated with a low risk of serious complications, with no reported fatalities.
    • Patients with known coronary artery disease, particularly post-MI and those with angina, represent a higher-risk group.
    • Close monitoring during and after exercise is essential to manage potential complications effectively.