Imaging of the Right Ventricle: Overview of Imaging Modalities for Assessing RV Volume and Function

Author(s):  
Annemien van den Bosch ◽  
Roderick van Grootel
2018 ◽  
pp. 32-36
Author(s):  
T. А. Holovko

The purpose of the study was to study the dynamics of changes in morphofunctional heart changes inchildren with non-inflammatory pathology of myocardium on the background of ongoing therapy. There were examined 115 patients (11–18 years old) with various heart diseases.The systolic dysfunction of the myocardium was diagnosedin 50 of them, and treatment was prescribed. In the dynamics, a year later, 40 patients were examined.  It has been established that in children and adolescents, along withpathogenetic and cardiometabolic therapy, in parallel with the improvement of the structure and function of the right ventricle of the heart, morphofunctional indicators ofthe left ventricle are improved.


2021 ◽  
Vol 24 (4) ◽  
pp. E746-E750
Author(s):  
Weihao Ding ◽  
Sandeep Bhushan ◽  
Chen Ma ◽  
Yifan Yan ◽  
Zongwei Xiao

Hypertrophic cardiomyopathy (HCM) is the most common genetic cardiac disease, and its main characteristic is symmetrical or asymmetrical hypertrophy of the left ventricle and/or right ventricle. Most previous studies mainly include the left ventricle for definition of HCM, thus neglecting the right ventricle. But recently, many studies have reported the right ventricular involvement in HCM. Histopathological results showed that similar pathogenic changes in both the right and left ventricles, which suggests common myopathic processes and sarcomere genetic mutations. Cardiovascular magnetic resonance (CMR) is a gold standard imaging modality to assess heart anatomy and function and provides highly accurate and reproducible measurements. CMR is very useful in characterizing the various phenotypes of right and left ventricles in HCM. CMR also can be useful in detecting early and dominant phenotypic expression of HCM. Due to the complex geometry of the right ventricle and its retrosternal position, echocardiography may not provide accurate measurements. CMR also provides more accurate and repeatable right ventricular measurements. Thus, right ventricle evaluation along with left ventricle should routinely be done for better assessment of HCM patients.


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
F Nedaei ◽  
N G Vejlstrup ◽  
P L Madsen

Abstract Introduction The parietal band (PB) is little acknowledged. The PB traverses the basal part of the right ventricle (RV) with myocardial fibres circumscribing the inlet portion of the RV, anatomical studies suggest the PB may be of significant importance for RV contraction. RV dysfunction is of particular concern in patients with repaired Tetralogy of Fallot (ToF pts.). Purpose To study the importance of the PB for RV function in a retrospective cohort study by comparison of normal subjects with ToF pts. with and without resected PB. Methods The PB function was compared to RV volume and function by echocardiography and magnetic resonance imaging (CMR) in 89 normal subjects (echo and CMR) and 106 ToF pts. (CMR). Results A PB was identified in all normal subjects. In these, the PB shortened by 41±5% (mean±SD) during systole, and correspondingly, the septum-to-free wall distance was shortened by 47±17%. In ToF pts., the PB had been resected in 57.5% of cases. Resection of the PB was not of any consequence for RV dilatation or pulmonary and tricuspid valve regurgitation fraction (all ns), but resection was associated with a lowered RV free-wall to inter-ventricular septum approximation (21±13% vs. 39±9%) and consequently a lowered RV ejection fraction (RVEF; 45±8% vs. 54±8%) (both p<0.001). 84% vs. 48% (p<0.0001) had reduced RVEF if the PB had been resected. Conclusions The two groups of ToF pts. may differ in other aspects than presence of the parietal band, but taken together our findings in normal subjects and ToF pts. do suggest that the parietal band is significant importance for right ventricle contraction.


2021 ◽  
Vol 12 ◽  
Author(s):  
Tjitske E. Zandstra ◽  
Robbert G. E. Notenboom ◽  
Jeroen Wink ◽  
Philippine Kiès ◽  
Hubert W. Vliegen ◽  
...  

The cardiac autonomic nervous system (cANS) regulates cardiac adaptation to different demands. The heart is an asymmetrical organ, and in the selection of adequate treatment of cardiac diseases it may be relevant to take into account that the cANS also has sidedness as well as regional differences in anatomical, functional, and molecular characteristics. The left and right ventricles respond differently to adrenergic stimulation. Isoforms of nitric oxide synthase, which plays an important role in parasympathetic function, are also distributed asymmetrically across the heart. Treatment of cardiac disease heavily relies on affecting left-sided heart targets which are thought to apply to the right ventricle as well. Functional studies of the right ventricle have often been neglected. In addition, many principles have only been investigated in animals and not in humans. Anatomical and functional heterogeneity of the cANS in human tissue or subjects is highly valuable for understanding left- and right-sided cardiac pathology and for identifying novel treatment targets and modalities. Within this perspective, we aim to provide an overview and synthesis of anatomical and functional heterogeneity of the cANS in tissue or subjects, focusing on the human heart.


2016 ◽  
Vol 43 (5) ◽  
pp. 458-460 ◽  
Author(s):  
Marija Petrovic ◽  
Bihong Zhao ◽  
Manoj Thangam ◽  
Pranav Loyalka ◽  
L. Maximilian Buja ◽  
...  

Ewing sarcoma is the second most prevalent malignant primary bone tumor but constitutes only a small proportion of cardiac metastases. We present a case of asymptomatic Ewing sarcoma metastatic to the right ventricle. A 36-year-old man presented for evaluation and resection of a pedunculated right ventricular cardiac tumor. Three years before, he had been diagnosed with translocation-negative Ewing sarcoma, for which he had undergone chemotherapy and amputation of the left leg below the knee. We resected the right ventricular tumor. Analysis of the resected mass supported the diagnosis of metastatic Ewing sarcoma. Postoperative transthoracic echocardiograms showed normal biventricular size and function. One year later, the patient had no recurrence of the sarcoma. In addition to discussing this case, we review the relevant medical literature.


2018 ◽  
pp. 32-36
Author(s):  
T. А. Holovko

The purpose of the study was to study the dynamics of changes in morphofunctional heart changes inchildren with non-inflammatory pathology of myocardium on the background of ongoing therapy. There were examined 115 patients (11–18 years old) with various heart diseases.The systolic dysfunction of the myocardium was diagnosedin 50 of them, and treatment was prescribed. In the dynamics, a year later, 40 patients were examined.  It has been established that in children and adolescents, along withpathogenetic and cardiometabolic therapy, in parallel with the improvement of the structure and function of the right ventricle of the heart, morphofunctional indicators ofthe left ventricle are improved.


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