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
2022
Longitudinal Assessment of Global and Regional Left Ventricular Strain in Patients with Multisystem Inflammatory Syndrome in Children (MIS-C)
He M, Leone DM, Frye R, Ferdman DJ, Shabanova V, Kosiv KA, Sugeng L, Faherty E, Karnik R. Longitudinal Assessment of Global and Regional Left Ventricular Strain in Patients with Multisystem Inflammatory Syndrome in Children (MIS-C). Pediatric Cardiology 2022, 43: 844-854. PMID: 34993558, PMCID: PMC8739007, DOI: 10.1007/s00246-021-02796-7.Peer-Reviewed Original ResearchConceptsMIS-C patientsAcute phaseChronic phaseInflammatory syndromeTwo-dimensional speckle tracking echocardiographySubclinical myocardial injuryCircumferential strainMultisystem inflammatory syndromeLeft ventricular dysfunctionSingle-institution reviewSpeckle tracking echocardiographyTwo-dimensional echocardiographyCoronavirus disease 2019Future adverse eventsVentricular function parametersBasal anterolateral segmentMean GCSVentricular dysfunctionAdverse eventsFractional shorteningSignificant sequelaeVentricular strainMyocardial dysfunctionGlobal longitudinalMyocardial injury
2021
Challenges of Diagnosing Viral Myocarditis in Adolescents in the Era of COVID‐19 and MIS‐C
Shah HP, Frye R, Chang S, Faherty E, Steele J, Karnik R. Challenges of Diagnosing Viral Myocarditis in Adolescents in the Era of COVID‐19 and MIS‐C. Case Reports In Pediatrics 2021, 2021: 4797498. PMID: 34616578, PMCID: PMC8490073, DOI: 10.1155/2021/4797498.Peer-Reviewed Case Reports and Technical NotesPediatric myocarditisElevated inflammatory markersMultisystem inflammatory syndromeShortness of breathDiagnosis of myocarditisSudden cardiac deathCOVID-19Electrocardiogram findingsInflammatory markersInflammatory syndromeChest tightnessCardiac deathMale presentingAnnual incidenceClinical presentationD-dimerViral myocarditisMyocardial injuryClinical conundrumSubclinical presentationMyocarditisRare diseaseClinical experienceTrue prevalenceCurrent Covid-19 pandemic era