Mayo Clinic echocardiographic criteria to differentiate constrictive pericarditis and restrictive cardiomyopathy: a meta-analysis

BackgroundTo assess the diagnostic accuracy of Mayo Clinic echocardiographic criteria to differentiate constrictive pericarditis (CP) and restrictive cardiomyopathy (RCM).MethodsWe searched electronic databases from inception July 1, 2022. The index tests were criteria. We performed a bivariate random-effects model estimate pooled sensitivity specificity with their 95% confidence interval (CI). area under curve (AUC) summary receiver operator characteristic (SROC) curves its CI was also calculated.ResultsSeventeen case-control studies involving 889 patients included. ventricular septal shift 82% (95% CI, 60%-94%) 78% 65%-87%), respectively. respiratory variation in mitral inflow ≥14.6% 71% 51%-85%) 66%-91%), e’ velocity ≥8cm/s 83% 80%-87%) 90% 83%-95%), e' velocity/lateral ≥0.88 74% 64%-82%) 81% 70%-88%), hepatic vein ratio expiration ≥0.79 73% 65%-81%) 19%-96%), AUC SROC varied 0.75 0.85 overlapping intervals across tests.ConclusionsOur meta-analysis suggests that all parameters have good for differentiating CP RCM.