Society for Cardiovascular Magnetic Resonance (SCMR) guidelines for reporting cardiovascular magnetic resonance examinations

Hundley, W. Gregory; Bluemke, David A.; Bogaert, Jan; Flamm, Scott D.; Fontana, Marianna; Friedrich, Matthias G.; Grosse-Wortmann, Lars; Karamitsos, Theodoros D; Kramer, Christopher M.; Kwong, Raymond Y.; McConnell, Michael V.; Nagel, Eike; Neubauer, Stefan; Nijveldt, Robin; Pennell, Dudley J.; Petersen, Steffen E.; Raman, Subha V.; Rossum, Albert C. van

doi:10.1186/s12968-021-00827-z

Cited by 26 publications

(13 citation statements)

References 11 publications

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“…Cardiac MRI has become a more preferred imaging modality than echocardiography in the diagnosis of ICM/NIDCM as it exhibits the following advantages: 1) comprehensive assessment of cardiac structure, function, perfusion, and myocardial tissue features (eg, myocardial fibrosis) 23,24 ; 2) better spatial resolution; and 3) less dependence on operator experience. In contrast, although echocardiography has been the first‐line imaging tool for the diagnosis of ICM/NIDCM in the past decades, it is influenced by operator experience 25 .…”

Section: Discussionmentioning

confidence: 99%

Prognostic Value of Left Ventricular Longitudinal Function and Myocardial Fibrosis in Patients With Ischemic and Non‐Ischemic Dilated Cardiomyopathy Concomitant With Type 2 Diabetes Mellitus: A 3.0 T Cardiac MR Study

Zhang

Shi

et al. 2023

Magnetic Resonance Imaging

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BackgroundPoorly controlled type 2 diabetes mellitus (T2DM) is known to result in left ventricular (LV) dysfunction, myocardial fibrosis, and ischemic/nonischemic dilated cardiomyopathy (ICM/NIDCM). However, less is known about the prognostic value of T2DM on LV longitudinal function and late gadolinium enhancement (LGE) assessed with cardiac MRI in ICM/NIDCM patients.PurposeTo measure LV longitudinal function and myocardial scar in ICM/NIDCM patients with T2DM and to determine their prognostic values.Study TypeRetrospective cohort.PopulationTwo hundred thirty‐five ICM/NIDCM patients (158 with T2DM and 77 without T2DM).Field Strength/Sequence3T; steady‐state free precession cine; phase‐sensitive inversion recovery segmented gradient echo LGE sequences.AssessmentGlobal peak longitudinal systolic strain rate (GLPSSR) was evaluated to LV longitudinal function with feature tracking. The predictive value of GLPSSR was determined with ROC curve. Glycated hemoglobin (HbA1c) was measured. The primary adverse cardiovascular endpoint was follow up every 3 months.Statistical TestsMann–Whitney U test or student's t‐test; Intra and inter‐observer variabilities; Kaplan–Meier method; Cox proportional hazards analysis (threshold = 5%).ResultsICM/NIDCM patients with T2DM exhibited significantly lower absolute value of GLPSSR (0.39 ± 0.14 vs. 0.49 ± 0.18) and higher proportion of LGE positive (+) despite similar LV ejection fraction, compared to without T2DM. LV GLPSSR was able to predict primary endpoint (AUC 0.73) and optimal cutoff point was 0.4. ICM/NIDCM patients with T2DM (GLPSSR < 0.4) had more markedly impaired survival. Importantly, this group (GLPSSR < 0.4, HbA1c ≥ 7.8%, or LGE (+)) exhibited the worst survival. In multivariate analysis, GLPSSR, HbA1c, and LGE (+) significantly predicted primary adverse cardiovascular endpoint in overall ICM/NIDCM and ICM/NIDCM patients with T2DM.ConclusionsT2DM has an additive deleterious effect on LV longitudinal function and myocardial fibrosis in ICM/NIDCM patients. Combining GLPSSR, HbA1c, and LGE could be promising markers in predicting outcomes in ICM/NIDCM patients with T2DM.Evidence Level3Technical Efficacy5

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Section: Discussionmentioning

confidence: 99%

Prognostic Value of Left Ventricular Longitudinal Function and Myocardial Fibrosis in Patients With Ischemic and Non‐Ischemic Dilated Cardiomyopathy Concomitant With Type 2 Diabetes Mellitus: A 3.0 T Cardiac MR Study

Zhang

Shi

et al. 2023

Magnetic Resonance Imaging

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“…Late gadolinium enhancement (LGE) was codified as present or absent for each cardiac segment by a level 3 CMR expert. Moreover, pattern of LGE was described as subendocardial, mid-wall, subepicardial, or diffuse according to its location and distribution within the LV wall 17,18 . LGE extent was codified from 0 to 17 according to the number of segments affected.…”

Section: Methodsmentioning

confidence: 99%

“…Moreover, pattern of LGE was described as subendocardial, mid-wall, subepicardial, or diffuse according to its location and distribution within the LV wall. 17,18 LGE extent was codified from 0 to 17 according to the number of segments affected.…”

Section: Cardiovascular Magnetic Resonancementioning

confidence: 99%

Left-to-right ventricular volume ratio and outcome in heart failure with preserved ejection fraction

Aimo

Teis

Kasa

et al. 2023

Journal of Cardiovascular Medicine

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Background Age-specific and gender-specific reference values for left ventricular (LV) and right ventricle volumes are available. The prognostic implications of the ratio between these volumes in heart failure and preserved ejection fraction (HFpEF) have never been evaluated. Methods We examined all HFpEF outpatients undergoing a cardiac magnetic resonance from 2011 to 2021. The left-to-right ventricular volume ratio (LRVR) was defined as the ratio between the LV and right ventricle end-diastolic volume indexes (LVEDVi/RVEDVi). Results Among 159 patients [median age 58 years (interquartile range 49–69), 64% men, LV ejection fraction 60% (54–70%)] the median LRVR was 1.21 (1.07–1.40). Over 3.5 years (1.5–5.0), 23 patients (15%) experienced all-cause death or heart failure hospitalization, and 22 (14%) cardiovascular death or heart failure hospitalization. The risk of all-cause death or heart failure hospitalization increased with an LRVR less than 1.0 or at least 1.4. An LRVR less than 1.0 was associated with a higher risk of all-cause death or heart failure hospitalization [hazard ratio 5.95, 95% confidence interval (CI) 1.67–21.28; P = 0.006] and cardiovascular death or heart failure hospitalization (hazard ratio 5.68, 95% CI 1.58–20.35; P = 0.008) as compared with LRVR 1.0–1.3. Furthermore, an LRVR at least 1.4 was associated with a higher risk of all-cause death or heart failure hospitalization (hazard ratio 4.10, 95% CI 1.58–10.61; P = 0.004) and cardiovascular death or heart failure hospitalization (hazard ratio 3.71, 95% CI 1.41–9.79; P = 0.008) as compared with LRVR 1.0–1.3. These results were confirmed in patients without dilation of either ventricle. Conclusion LRVR values less than 1.0 or at least 1.4 are associated with worse outcomes in HFpEF. LRVR may become a valuable tool for risk prediction in HFpEF.

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“…Confidence in the presence or absence of scarring was assessed using a 4-point scale (1 = nondiagnostic exam, 2 = low confidence, 3 = moderate confidence, 4 = high confidence). The CMR reporting and diagnosis of "myocarditis", "non-ischemic cardiomyopathy", or "normal" was made in accordance with current SCMR recommendations and ESC guidelines [21][22][23].…”

Section: Cardiac Mri Image Analysismentioning

confidence: 99%

Dark-Blood Late Gadolinium Enhancement MRI Is Noninferior to Bright-Blood LGE in Non-Ischemic Cardiomyopathies

et al. 2023

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(1) Background and Objectives: Dark-blood late gadolinium enhancement has been shown to be a reliable cardiac magnetic resonance (CMR) method for assessing viability and depicting myocardial scarring in ischemic cardiomyopathy. The aim of this study was to evaluate dark-blood LGE imaging compared with conventional bright-blood LGE for the detection of myocardial scarring in non-ischemic cardiomyopathies. (2) Materials and Methods: Patients with suspected non-ischemic cardiomyopathy were prospectively enrolled in this single-centre study from January 2020 to March 2023. All patients underwent 1.5 T CMR with both dark-blood and conventional bright-blood LGE imaging. Corresponding short-axis stacks of both techniques were analysed for the presence, distribution, pattern, and localisation of LGE, as well as the quantitative scar size (%). (3) Results: 343 patients (age 44 ± 17 years; 124 women) with suspected non-ischemic cardiomyopathy were examined. LGE was detected in 123 of 343 cases (36%) with excellent inter-reader agreement (κ 0.97–0.99) for both LGE techniques. Dark-blood LGE showed a sensitivity of 99% (CI 98–100), specificity of 99% (CI 98–100), and an accuracy of 99% (CI 99–100) for the detection of non-ischemic scarring. No significant difference in total scar size (%) was observed. Dark-blood imaging with mean 5.35 ± 4.32% enhanced volume of total myocardial volume, bright-blood with 5.24 ± 4.28%, p = 0.84. (4) Conclusions: Dark-blood LGE imaging is non-inferior to conventional bright-blood LGE imaging in detecting non-ischemic scarring. Therefore, dark-blood LGE imaging may become an equivalent method for the detection of both ischemic and non-ischemic scars.

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Society for Cardiovascular Magnetic Resonance (SCMR) guidelines for reporting cardiovascular magnetic resonance examinations

Cited by 26 publications

References 11 publications

Prognostic Value of Left Ventricular Longitudinal Function and Myocardial Fibrosis in Patients With Ischemic and Non‐Ischemic Dilated Cardiomyopathy Concomitant With Type 2 Diabetes Mellitus: A 3.0 T Cardiac MR Study

Prognostic Value of Left Ventricular Longitudinal Function and Myocardial Fibrosis in Patients With Ischemic and Non‐Ischemic Dilated Cardiomyopathy Concomitant With Type 2 Diabetes Mellitus: A 3.0 T Cardiac MR Study

Left-to-right ventricular volume ratio and outcome in heart failure with preserved ejection fraction

Dark-Blood Late Gadolinium Enhancement MRI Is Noninferior to Bright-Blood LGE in Non-Ischemic Cardiomyopathies

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