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Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up.

Publication ,  Journal Article
Heitner, JF; Kim, RJ; Kim, HW; Klem, I; Shah, DJ; Debs, D; Farzaneh-Far, A; Polsani, V; Kim, J; Weinsaft, J; Shenoy, C; Hughes, A; Cargile, P ...
Published in: JAMA Cardiol
March 1, 2019

IMPORTANCE: Stress cardiac magnetic resonance imaging (CMR) is not widely used in current clinical practice, and its ability to predict patient mortality is unknown. OBJECTIVE: To determine whether stress CMR is associated with patient mortality. DESIGN, SETTING, AND PARTICIPANTS: Real-world evidence from consecutive clinically ordered CMR examinations. Multicenter study of patients undergoing clinical evaluation of myocardial ischemia. Patients with known or suspected coronary artery disease (CAD) underwent clinical vasodilator stress CMR at 7 different hospitals. An automated process collected data from the finalized clinical reports, deidentified and aggregated the data, and assessed mortality using the US Social Security Death Index. MAIN OUTCOMES AND MEASURES: All-cause patient mortality. RESULTS: Of the 9151 patients, the median (interquartile range) patient age was 63 (51-70) years, 55% were men, and the median (interquartile range) body mass index was 29 (25-33) (calculated as weight in kilograms divided by height in meters squared). The multicenter automated process yielded 9151 consecutive patients undergoing stress CMR, with 48 615 patient-years of follow-up. Of these patients, 4408 had a normal stress CMR examination, 4743 had an abnormal examination, and 1517 died during a median follow-up time of 5.0 years. Using multivariable analysis, addition of stress CMR improved prediction of mortality in 2 different risk models (model 1 hazard ratio [HR], 1.83; 95% CI, 1.63-2.06; P < .001; model 2: HR, 1.80; 95% CI, 1.60-2.03; P < .001) and also improved risk reclassification (net improvement: 11.4%; 95% CI, 7.3-13.6; P < .001). After adjustment for patient age, sex, and cardiac risk factors, Kaplan-Meier survival analysis showed a strong association between an abnormal stress CMR and mortality in all patients (HR, 1.883; 95% CI, 1.680-2.112; P < .001), patients with (HR, 1.955; 95% CI, 1.712-2.233; P < .001) and without (HR, 1.578; 95% CI, 1.235-2.2018; P < .001) a history of CAD, and patients with normal (HR, 1.385; 95% CI, 1.194-1.606; P < .001) and abnormal left ventricular ejection fraction (HR, 1.836; 95% CI, 1.299-2.594; P < .001). CONCLUSIONS AND RELEVANCE: Clinical vasodilator stress CMR is associated with patient mortality in a large, diverse population of patients with known or suspected CAD as well as in multiple subpopulations defined by history of CAD and left ventricular ejection fraction. These findings provide a foundational motivation to study the comparative effectiveness of stress CMR against other modalities.

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Published In

JAMA Cardiol

DOI

EISSN

2380-6591

Publication Date

March 1, 2019

Volume

4

Issue

3

Start / End Page

256 / 264

Location

United States

Related Subject Headings

  • Ventricular Function, Left
  • Vasodilator Agents
  • Survival Analysis
  • Stroke Volume
  • Risk Factors
  • Predictive Value of Tests
  • Myocardial Infarction
  • Middle Aged
  • Male
  • Magnetic Resonance Imaging
 

Citation

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Heitner, J. F., Kim, R. J., Kim, H. W., Klem, I., Shah, D. J., Debs, D., … Judd, R. M. (2019). Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up. JAMA Cardiol, 4(3), 256–264. https://doi.org/10.1001/jamacardio.2019.0035
Heitner, John F., Raymond J. Kim, Han W. Kim, Igor Klem, Dipan J. Shah, Dany Debs, Afshin Farzaneh-Far, et al. “Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up.JAMA Cardiol 4, no. 3 (March 1, 2019): 256–64. https://doi.org/10.1001/jamacardio.2019.0035.
Heitner JF, Kim RJ, Kim HW, Klem I, Shah DJ, Debs D, et al. Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up. JAMA Cardiol. 2019 Mar 1;4(3):256–64.
Heitner, John F., et al. “Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up.JAMA Cardiol, vol. 4, no. 3, Mar. 2019, pp. 256–64. Pubmed, doi:10.1001/jamacardio.2019.0035.
Heitner JF, Kim RJ, Kim HW, Klem I, Shah DJ, Debs D, Farzaneh-Far A, Polsani V, Kim J, Weinsaft J, Shenoy C, Hughes A, Cargile P, Ho J, Bonow RO, Jenista E, Parker M, Judd RM. Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up. JAMA Cardiol. 2019 Mar 1;4(3):256–264.

Published In

JAMA Cardiol

DOI

EISSN

2380-6591

Publication Date

March 1, 2019

Volume

4

Issue

3

Start / End Page

256 / 264

Location

United States

Related Subject Headings

  • Ventricular Function, Left
  • Vasodilator Agents
  • Survival Analysis
  • Stroke Volume
  • Risk Factors
  • Predictive Value of Tests
  • Myocardial Infarction
  • Middle Aged
  • Male
  • Magnetic Resonance Imaging