2023
Longitudinal Assessment of Left Ventricular Function in Patients with Myopericarditis After mRNA COVID-19 Vaccination
NV B, McCollum S, Faherty E, Steele J, Karnik R. Longitudinal Assessment of Left Ventricular Function in Patients with Myopericarditis After mRNA COVID-19 Vaccination. Pediatric Cardiology 2023, 45: 1524-1532. PMID: 37294336, PMCID: PMC10251331, DOI: 10.1007/s00246-023-03200-2.Peer-Reviewed Original ResearchLeft ventricular longitudinal strainMRNA COVID-19 vaccinationCOVID-19 vaccinationSubclinical myocardial injuryEjection fractionFractional shorteningInitial presentationMyocardial injurySingle-center reviewMedian ejection fractionLeft ventricular functionVentricular longitudinal strainTime 0Area-length methodWilcoxon signed-rank testAcute illnessDiastolic functionVentricular functionDiastolic parametersLV functionRisk stratificationMyocardial recoveryTissue DopplerSigned-rank testMyopericarditis
2018
Abnormalities in Left Ventricular Rotation Are Inherent in Young Children with Repaired Tetralogy of Fallot and Are Independent of Right Ventricular Dilation
Karnik R, Uppu SC, Tozzi M, Doucette J, Lytrivi ID, Geiger M, Klas B, Parness IA, Shenoy R, Rajagopal H, Srivastava S. Abnormalities in Left Ventricular Rotation Are Inherent in Young Children with Repaired Tetralogy of Fallot and Are Independent of Right Ventricular Dilation. Pediatric Cardiology 2018, 39: 1172-1180. PMID: 29644405, DOI: 10.1007/s00246-018-1877-9.Peer-Reviewed Original ResearchConceptsRight ventricular dilationRV dilationAbnormal ARLV systolicPulmonary regurgitationVentricular dilationRotational mechanicsApical rotationYoung childrenAge-matched normal controlsAsymptomatic young childrenLeft ventricular dysfunctionSingle-center studyLV myocardial mechanicsTetralogy of FallotLV rotational mechanicsTwo-dimensional echocardiographyFurther longitudinal studiesLeft ventricular rotationRTOF childrenLack of maturationVentricular dysfunctionDiastolic dysfunctionDiastolic functionClinical outcomes