Author + information
- Georgios Christopoulos,
- John Bois,
- Thomas Allison,
- Todd Miller,
- Martin Rodriguez-Porcel and
- Panithaya Chareonthaitawee
Background: The diagnostic yield of combined cardiopulmonary exercise testing (CPET) and myocardial perfusion imaging (MPI) has received limited study.
Methods: We included consecutive patients who underwent combined CPET-MPI at a single tertiary referral center. An abnormal CPET test was defined as any of the following: reduced oxygen consumption, cardiac output impairment or pulmonary impairment. Normal MPI was defined as absence of resting or stress perfusion defect. The study outcome was change in clinical decision-making including management of pulmonary issues; management of deconditioning; medication changes; and referral to cardiac catheterization. The impact of CPET was assessed in patients who had normal and abnormal MPI.
Results: 415 records were reviewed. Of the 269 patients that had a normal MPI study, 206 (77%) had abnormal CPET. Patients with abnormal CPET and normal MPI, compared with patients that had normal CPET and MPI, were more frequently diagnosed with pulmonary impairment and were more commonly treated for deconditioning. This effect was less pronounced in patients with abnormal MPI (Table 1).
Conclusions: The addition of CPET to MPI can identify patients with non-ischemic causes for their symptoms, and may prompt further evaluation and management of pulmonary disease and deconditioning.
Poster Hall, Hall C
Saturday, March 18, 2017, 9:45 a.m.-10:30 a.m.
Session Title: Nuclear Cardiology: Beyond Perfusion
Abstract Category: 30. Non Invasive Imaging: Nuclear
Presentation Number: 1196-205
- 2017 American College of Cardiology Foundation