Exercise Testing Postmyocardial Infarction Using Right-Sided Chest Leads (V(4)R and V(6)R) to Detect Right Ventricular Ischemia

1988 ◽  
Vol 2 (6) ◽  
pp. 355-368 ◽  
Author(s):  
Shirley Rubler ◽  
Lynne A. Glasser ◽  
Steven P. Sedlis ◽  
Martin Dolgin ◽  
John K. Finkle
Keyword(s):  
Right Ventricular ◽  
Exercise Testing ◽  
Postmyocardial Infarction

Utility of Exercise Testing in Children and Teenagers With Arrhythmogenic Right Ventricular Cardiomyopathy

2009 ◽  
Vol 104 (3) ◽  
pp. 411-413 ◽  
Author(s):  
Ilan Buffo Sequeira ◽  
Joel A. Kirsh ◽  
Robert M. Hamilton ◽  
Jennifer L. Russell ◽  
Gil J. Gross
Keyword(s):  
Right Ventricular ◽  
Exercise Testing ◽  
Arrhythmogenic Right Ventricular Cardiomyopathy ◽  
Ventricular Cardiomyopathy

Abstract 16739: Right Ventricular Size and Exercise Capacity in Arrhythmogenic Right Ventricular Cardiomyopathy

Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Bethel Woldu ◽  
Paul Scheel ◽  
Hugh G Calkins ◽  
Cynthia James ◽  
Harikrishna S Tandri ◽  
...  
Keyword(s):  
Heart Failure ◽  
Right Ventricular ◽  
Exercise Capacity ◽  
Exercise Testing ◽  
Arrhythmogenic Right Ventricular Cardiomyopathy ◽  
Cardiopulmonary Exercise Testing ◽  
Peak Oxygen Consumption ◽  
Ventricular Cardiomyopathy ◽  
Basal Diameter ◽  
Cardiopulmonary Exercise

Introduction: With improved survival of sudden cardiac death in arrhythmogenic right ventricular cardiomyopathy (ARVC), progressive heart failure is increasingly recognized. Cardiopulmonary exercise testing (CPET) can play a role in prognostication. However, correlation of morphologic disease severity and exercise capacity is lacking. Hypothesis: Increased RV size and decreased RV function measured by two-dimensional echocardiography (2D echo) are associated with impaired exercise capacity parameters (peak oxygen consumption (pVO 2 ) and ventilator efficiency (VE/VCO 2 slope)). Methods: We retrospectively examined 21 patients who underwent 25 echocardiography and cardiopulmonary exercise testing (CPET) studies within 6 months of each other. A Spearman rank correlation was used to determine the relationship between RV dimensions and CPET parameters. Seven (28%) had submaximal effort defined as respiratory exchange ratio <1.05 and were excluded in the analysis of pVO 2 . Results: Patients’ mean age was 44 ± 11 years and 28% were women. Despite more than half of patients (54%) being New York Heart Association Class I, mean pVO 2 was decreased at 19 ± 5 mL/kg per minute (63% ± 22% predicted for age and sex). There was a moderate negative correlation between pVO 2 and RV basal diameter ( r s = -0.46, p =0.05) and RV area in diastole ( r s = -0.55, p =0.02). There was no significant correlation between RV size or function with VE/VCO 2 slope. Conclusion: In this small study of ARVC patients, abnormalities on echo including increased RV basal diameter and RV diastolic area were associated with worse pVO 2 but not VE/VCO 2 slope. These findings suggest that RV structural abnormalities are related to reduced oxygen uptake on CPET, and larger studies are warranted to investigate the prognostic value and clinical course of ARVC patients with regards to the development of heart failure.

Enlarged right ventricular size at 11 years’ follow-up after closure of secundum-type atrial septal defect in children

2012 ◽  
Vol 23 (1) ◽  
pp. 7-13 ◽  
Author(s):  
Wilfred B. de Koning ◽  
Lennie M. van Osch-Gevers ◽  
Danielle Robbers-Visser ◽  
Ron T. van Domburg ◽  
Ad J.J.C. Bogers ◽  
...  
Keyword(s):  
Right Ventricular ◽  
Atrial Septal Defect ◽  
Exercise Testing ◽  
Septal Defect ◽  
Systolic Volume ◽  
Surgical Closure ◽  
End Systolic Volume ◽  
The Mean ◽  
Ventricular Dimensions

AbstractBackgroundThe fate of right ventricular dimensions after surgical closure of secundum-type atrial septal defects remains unclear. The objectives of this study were to assess ventricular dimensions, exercise capability, and arrhythmias of patients operated for secundum-type atrial septal defect and compare the results with those in healthy references.MethodsA total of 78 consecutive patients underwent surgical closure for a secundum-type atrial septal defect between 1990 and 1995. In all, 42 patients were included and underwent a cross-sectional evaluation including echocardiography, magnetic resonance imaging, exercise testing, and 24-hour ambulatory electrocardiography. Patients were matched with healthy controls for gender, body surface area, and age.ResultsThe mean age at surgery was 4.6 plus or minus 2.8 years, and the mean age at follow-up was 16 plus or minus 3 years. There were no residual intracardiac lesions. The mean right ventricular end-systolic volume was significantly larger in patients (142 ± 26 millilitres) than in references (137 ± 28 millilitres; p = 0.04). In 25% of the patients, right ventricular end-systolic volume was larger than the 95th percentile for references. No relevant arrhythmias were detected. Exercise testing did not reveal differences with healthy references: maximal power (169 ± 43 Watt patients versus 172 ± 53 controls; p = 0.8), maximal oxygen uptake (38 ± 8 versus 41 ± 13 millilitres per minute per kilogram; p = 0.1).CommentAfter surgical closure of secundum-type atrial septal defect, right ventricular end-systolic volume is increased. These findings have no impact on rhythm status or exercise capacity at this stage of follow-up, but may have implications for the timing of surgery or the technique of closure if confirmed in longer follow-up.

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