Assessment of Left Atrial Volumes in Sinus Rhythm and Atrial Fibrillation Using the Biplane Area?Length Method and Cardiovascular Magnetic Resonance Imaging with TrueFISP

Sievers, Burkhard; Kirchberg, Simon; Addo, Marvin; Bakan, Asli; Brandts, Bodo; Trappe, H.-J.

doi:10.1081/jcmr-200036170

Cited by 95 publications

(82 citation statements)

References 20 publications

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“…This may be related to diffi- culties in defining RV contours at trabeculae as well as in defining RV endocardial boundaries in the most basal slice in the area of transition into the outflow tract and the right atrium [16]. The largest intra-and interobserver differences were found for LA volume measurements, confirming recent data of Hudsmith et al [16] and others [22] on the significant observer variability of LA volume measurements due to the inherent limitations of geometrical assumptions for estimating LA volume.…”

Section: Intra-and Interobserver Variabilitysupporting

confidence: 76%

Cardiac Remodeling Following Percutaneous Mitral Valve Repair – Initial Results Assessed by Cardiovascular Magnetic Resonance Imaging

Radunski¹,

Franzen

Barmeyer

et al. 2014

Fortschr Röntgenstr

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Purpose: Percutaneous mitral valve repair with the MitraClip device (Abbott Vascular, Redwood City, California, USA) is a novel therapeutic option in patients with mitral regurgitation. This study evaluated the feasibility of cardiac volume measurements by cardiovascular magnetic resonance imaging (CMR) to assess reverse myocardial remodeling in patients after MitraClip implantation. Materials and Methods: 12 patients underwent CMR at baseline (BL) before and at 6 months follow-up (FU) after MitraClip implantation. Cine-CMR was performed in short- and long-axes for the assessment of left ventricular (LV), right ventricular (RV) and left atrial (LA) volumes. Results: Assessment of endocardial contours was not compromised by the device-related artifact. No significant differences in observer variances were observed for LV, RV and LA volume measurements between BL and FU. LV end-diastolic (median 127 [IQR 96???150] vs. 112 [86???150] ml/m2; p?=?0.03) and LV end-systolic (82 [54???91] vs. 69 [48???99] ml/m2; p?=?0.03) volume indices decreased significantly from BL to FU. No significant differences were found for RV end-diastolic (94 [75???103] vs. 99 [77???123] ml/m2; p?=?0.91), RV end-systolic (48 [42???80] vs. 51 [40???81] ml/m2; p?=?0.48), and LA (87 [55???124] vs. 92 [48???137] ml/m2; p?=?0.20) volume indices between BL and FU. Conclusion: CMR enables the assessment of cardiac volumes in patients after MitraClip implantation. Our CMR findings indicate that percutaneous mitral valve repair results in reverse LV but not in RV or LA remodeling. Key points: ??Volume measurements by cardiovascular magnetic resonance imaging are feasible following percutaneous mitral valve repair despite device-related artifacts. ??A significant reduction of left ventricular volume was found in terms of beneficial, reverse left ventricular remodeling after 6-month follow-up. ??No significant reduction was found in right ventricular or left atrial volumes after percutaneous mitral valve repair after 6-month follow-up. Citation Format: ??Radunski UK, Franzen O, Barmeyer A et?al. Cardiac Remodeling Following Percutaneous Mitral Valve Repair ? Initial Results Assessed by Cardiovascular Magnetic Resonance Imaging. Fortschr R?ntgenstr 2014; 186: 951???958

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Section: Intra-and Interobserver Variabilitysupporting

confidence: 76%

Cardiac Remodeling Following Percutaneous Mitral Valve Repair – Initial Results Assessed by Cardiovascular Magnetic Resonance Imaging

Radunski¹,

Franzen

Barmeyer

et al. 2014

Fortschr Röntgenstr

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“…Haematologica Diastolic dysfunction precedes systolic function in many systemic diseases and leads to left atrial dilation and impaired atrial contraction. [1][2][3][4] We postulated that left atrial dilation and dysfunction would be earlier markers of iron cardiotoxicity than depressed ventricular function in thalassemia major subjects.…”

Section: Atrial Dysfunction As a Marker Of Iron Cardiotoxicity In Thamentioning

confidence: 99%

Atrial dysfunction as a marker of iron cardiotoxicity in thalassemia major

Li¹,

Coates²,

Wood³

2008

Haematologica

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“…The improvement in SNR supports excellent delineation of the blood-myocardium interface and hence facilitates precise quantification of cardiac function. In addition, 3.0 T MRI allows reproducible and accurate measurement of detailed anatomy of the left heart such as the left ventricular, LA, and mitral valve (15,17). These advancements of MRI may be beneficial for assessing functional and morphological features of the left heart and predicting the severity of coexistence of mitral regurgitation in DCM patients.…”

Section: Discussionmentioning

confidence: 99%

“…The endo-and epicardial borders were traced during the end-diastole and end-systole to obtain the volumetric parameters with the section summation method. For LA end-diastolic and end systolic volume (LAEDV, LAESV), both end-diastolic and end-systolic contours were traced in twochamber and four-chamber views and calculated using biplane area-length method (15).…”

Section: Image Analysismentioning

confidence: 99%

Assessing Mitral Regurgitation in Patients with Dilated Cardiomyopathy Using 3.0T Cardiac Magnetic Resonance Imaging: Correlation with Morphological and Functional Abnormalities

et al. 2016

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Background: Mitral regurgitation frequently accompanies dilated cardiomyopathy (DCM), which is associated with poor prognosis. Objectives: To evaluate morphological and functional abnormalities in DCM patients and correlate these features with the severity of coexistent mitral regurgitation using 3.0 T magnetic resonance imaging (MRI). Patients and Methods: Forty-one patients with DCM and 26 healthy control subjects underwent MRI and echocardiography examinations. The maximum and minimum mitral annulus areas (MAA), diameters of left ventricle and atrium, end-diastolic and systolic volumes, and ejection fraction were assessed with MRI and were indexed to body surface area. Mitral regurgitation severity grading was estimated by echocardiography. Results: Of the 41 patients with DCM, echocardiography examination revealed 11 patients (27%) without mitral regurgitation and 12 (29%) with mild, 11 (27%) with moderate, and seven (17%) with severe mitral regurgitation. All of the morphological and functional parameters of left ventricle, atrium and mitral valve in DCM patients were greater than those in healthy subjects (all P < 0.05), except for ejection fraction. The indexed end-systolic diameters of left ventricle (LVESD) and atrium (LAESD) and indexed minimum MAA might have the capability to distinguish no/mild mitral regurgitation patients from moderate/severe patients (areas under the receiver operating characteristic curve [AUC] = 0.876, 0.816, and 0.773, respectively; all P < 0.05). Using a combination of indexed LAESD, LVESD and minimum MAA, the specificity increased to 91.3%. Conclusion: Mitral regurgitation in DCM patients is associated with morphological and functional abnormalities of left heart and mitral valve annulus. The indexed LVESD, LAESD, and minimum MAA values can assist in predicting the severity of mitral regurgitation with a high sensitivity and specificity.

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Assessment of Left Atrial Volumes in Sinus Rhythm and Atrial Fibrillation Using the Biplane Area?Length Method and Cardiovascular Magnetic Resonance Imaging with TrueFISP

Abstract: The biplane area-length method can be used in CMR images obtained by TrueFISP to assess left atrial volumes and ejection fraction in normal subjects and patients with varying cardiac cycle length, as in atrial fibrillation.

Cited by 95 publications

References 20 publications

Cardiac Remodeling Following Percutaneous Mitral Valve Repair – Initial Results Assessed by Cardiovascular Magnetic Resonance Imaging

Cardiac Remodeling Following Percutaneous Mitral Valve Repair – Initial Results Assessed by Cardiovascular Magnetic Resonance Imaging

Atrial dysfunction as a marker of iron cardiotoxicity in thalassemia major

Assessing Mitral Regurgitation in Patients with Dilated Cardiomyopathy Using 3.0T Cardiac Magnetic Resonance Imaging: Correlation with Morphological and Functional Abnormalities

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