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Ajita Kanthan, Timothy C Tan, Robert P Zecchin, Alan Robert Denniss, Early exercise stress testing is safe after primary percutaneous coronary intervention, European Heart Journal. Acute Cardiovascular Care, Volume 1, Issue 2, 1 June 2012, Pages 153–157, https://doi.org/10.1177/2048872612445791
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Abstract
The optimal timing of exercise stress testing post primary percutaneous coronary intervention is uncertain with anecdotal evidence suggesting an increased risk of acute myocardial infarction and/or death if performed too early. This has translated into a delayed return to normal life activities following an acute myocardial infarction resulting in an increase in socio-economic burden.
We hypothesize that early (within 7 days of primary percutaneous coronary intervention) exercise stress testing is safe.
A prospective study of consecutive patients enrolled into the Cardiac Rehabilitation Program at a tertiary referral centre that underwent primary percutaneous coronary intervention, and who were able to perform a treadmill stress test were recruited. Timing of exercise stress testing was within 7 days post primary percutaneous coronary intervention and outcomes of death, acute myocardial infarction and other major adverse cardiac event were assessed 24 hours post exercise stress testing.
Recruited patients (n=230) aged between 29 and 78 (mean age 56 ± 10 years) with 191 being males (83%) and 39 being females (17%). While 28 patients had a positive stress test (12.2%), there were no deaths, acute myocardial infarction or any other major adverse cardiac event within 24 hours of performing the exercise stress testing. Mean METS achieved were 8.1 ± 2.3.
Early exercise stress testing after primary percutaneous coronary intervention appears safe.
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