The relative atrial volume ratio and late gadolinium enhancement provide additive information to differentiate constrictive pericarditis from restrictive cardiomyopathy View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2011-02-25

AUTHORS

Huaibing Cheng, Shihua Zhao, Shiliang Jiang, Minjie Lu, Chaowu Yan, Jian Ling, Yan Zhang, Qiong Liu, Ning Ma, Gang Yin, Renate Jerecic, Zuoxiang He

ABSTRACT

BackgroundThe differentiation of constrictive pericarditis (CP) from restrictive cariomyopathy (RCM) is often difficult. This study sought to determine the clinical utility of cardiovascular magnetic resonance imaging (CMR) for differentiating both these disorders.MethodsTwenty-three patients with surgically documented CP, 22 patients with RCM and 25 normal subjects were included in the study. CMR yielded information about cardiac morphology, function and tissue characteristics. The left (LA) and right atrial (RA) volume was calculated using the area-length method. The relative atrial volume ratio (RAR) was defined as the LA volume divided by RA volume. Receiver operating characteristic curve analysis was used to test the ability of different variables in differentiating CP from RCM.ResultsThe maximal pericardial thickness in CP patients was significantly larger than in normal subjects and RCM patients. The RA volume index in RCM patients (90.5 ± 35.3 mL/m2) was significantly larger than in CP patients (71.4 ± 15.7 mL/m2, p = 0.006) and normal subjects (38.1 ± 9.0 mL/m2, p < 0.001). The LA volume index in RCM (96.0 ± 37.0 mL/m2) and CP patients (105.6 ± 25.1 mL/m2) was significantly larger than in normal subjects (39.5 ± 9.5 mL/m2, p < 0.001 for all). The RAR in CP patients (1.50 ± 0.29) was significantly larger than in RCM patients (1.12 ± 0.33, p < 0.001) and normal subjects (1.06 ± 0.20, p < 0.001). There were no differences between RCM patients and normal subjects in the RAR (p = 0.452). At a cut-off value of 1.32 for the RAR, the sensitivity was 82.6%, and the specificity was 86.4% in the detection of CP. Septal bounce was identified in 95.7% CP patients, in none of RCM patients and normal subjects. Late gadolinium enhancement (LGE) was present in 31.8% RCM patients and absence in all CP patients and normal subjects.ConclusionsCMR with LGE and RAR can facilitate differentiation of CP from RCM. More... »

PAGES

15

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/1532-429x-13-15

DOI

http://dx.doi.org/10.1186/1532-429x-13-15

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1044957141

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/21349202


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    "description": "BackgroundThe differentiation of constrictive pericarditis (CP) from restrictive cariomyopathy (RCM) is often difficult. This study sought to determine the clinical utility of cardiovascular magnetic resonance imaging (CMR) for differentiating both these disorders.MethodsTwenty-three patients with surgically documented CP, 22 patients with RCM and 25 normal subjects were included in the study. CMR yielded information about cardiac morphology, function and tissue characteristics. The left (LA) and right atrial (RA) volume was calculated using the area-length method. The relative atrial volume ratio (RAR) was defined as the LA volume divided by RA volume. Receiver operating characteristic curve analysis was used to test the ability of different variables in differentiating CP from RCM.ResultsThe maximal pericardial thickness in CP patients was significantly larger than in normal subjects and RCM patients. The RA volume index in RCM patients (90.5 \u00b1 35.3 mL/m2) was significantly larger than in CP patients (71.4 \u00b1 15.7 mL/m2, p = 0.006) and normal subjects (38.1 \u00b1 9.0 mL/m2, p < 0.001). The LA volume index in RCM (96.0 \u00b1 37.0 mL/m2) and CP patients (105.6 \u00b1 25.1 mL/m2) was significantly larger than in normal subjects (39.5 \u00b1 9.5 mL/m2, p < 0.001 for all). The RAR in CP patients (1.50 \u00b1 0.29) was significantly larger than in RCM patients (1.12 \u00b1 0.33, p < 0.001) and normal subjects (1.06 \u00b1 0.20, p < 0.001). There were no differences between RCM patients and normal subjects in the RAR (p = 0.452). At a cut-off value of 1.32 for the RAR, the sensitivity was 82.6%, and the specificity was 86.4% in the detection of CP. Septal bounce was identified in 95.7% CP patients, in none of RCM patients and normal subjects. Late gadolinium enhancement (LGE) was present in 31.8% RCM patients and absence in all CP patients and normal subjects.ConclusionsCMR with LGE and RAR can facilitate differentiation of CP from RCM.", 
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30 schema:description BackgroundThe differentiation of constrictive pericarditis (CP) from restrictive cariomyopathy (RCM) is often difficult. This study sought to determine the clinical utility of cardiovascular magnetic resonance imaging (CMR) for differentiating both these disorders.MethodsTwenty-three patients with surgically documented CP, 22 patients with RCM and 25 normal subjects were included in the study. CMR yielded information about cardiac morphology, function and tissue characteristics. The left (LA) and right atrial (RA) volume was calculated using the area-length method. The relative atrial volume ratio (RAR) was defined as the LA volume divided by RA volume. Receiver operating characteristic curve analysis was used to test the ability of different variables in differentiating CP from RCM.ResultsThe maximal pericardial thickness in CP patients was significantly larger than in normal subjects and RCM patients. The RA volume index in RCM patients (90.5 ± 35.3 mL/m2) was significantly larger than in CP patients (71.4 ± 15.7 mL/m2, p = 0.006) and normal subjects (38.1 ± 9.0 mL/m2, p < 0.001). The LA volume index in RCM (96.0 ± 37.0 mL/m2) and CP patients (105.6 ± 25.1 mL/m2) was significantly larger than in normal subjects (39.5 ± 9.5 mL/m2, p < 0.001 for all). The RAR in CP patients (1.50 ± 0.29) was significantly larger than in RCM patients (1.12 ± 0.33, p < 0.001) and normal subjects (1.06 ± 0.20, p < 0.001). There were no differences between RCM patients and normal subjects in the RAR (p = 0.452). At a cut-off value of 1.32 for the RAR, the sensitivity was 82.6%, and the specificity was 86.4% in the detection of CP. Septal bounce was identified in 95.7% CP patients, in none of RCM patients and normal subjects. Late gadolinium enhancement (LGE) was present in 31.8% RCM patients and absence in all CP patients and normal subjects.ConclusionsCMR with LGE and RAR can facilitate differentiation of CP from RCM.
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36 schema:keywords CP patients
37 LA volume
38 LA volume index
39 MethodsTwenty-three patients
40 RA volume
41 RA volume index
42 RCM patients
43 ability
44 absence
45 additive information
46 analysis
47 area-length method
48 atrial volume
49 atrial volume ratio
50 bounce
51 cardiac morphology
52 cardiomyopathy
53 cardiovascular magnetic resonance imaging
54 characteristic curve analysis
55 characteristics
56 clinical utility
57 constrictive pericarditis
58 curve analysis
59 detection
60 differences
61 different variables
62 differentiation
63 differentiation of CP
64 disorders
65 enhancement
66 function
67 gadolinium enhancement
68 imaging
69 index
70 information
71 late gadolinium enhancement
72 magnetic resonance imaging
73 method
74 morphology
75 normal subjects
76 patients
77 pericardial thickness
78 pericarditis
79 ratio
80 receiver
81 resonance imaging
82 restrictive cardiomyopathy
83 right atrial volume
84 sensitivity
85 septal bounce
86 specificity
87 study
88 subjects
89 thickness
90 tissue characteristics
91 utility
92 values
93 variables
94 volume
95 volume index
96 volume ratio
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