2024
From transthyretin cardiac amyloidosis diagnosis to tafamidis treatment: Association of drop-off with patient sociodemographic characteristics
Walenczyk K, Singh A, Tong K, Burg M, Miller E. From transthyretin cardiac amyloidosis diagnosis to tafamidis treatment: Association of drop-off with patient sociodemographic characteristics. American Journal Of Health-System Pharmacy 2024, zxae183. PMID: 38963826, DOI: 10.1093/ajhp/zxae183.Peer-Reviewed Original ResearchPatient sociodemographic characteristicsATTR-CASociodemographic characteristicsSpecialty pharmacyPyrophosphate scintigraphyPopulation prevalence ratesEconomically disadvantaged areasTransthyretin cardiac amyloidosisBlack/African American raceReduce disparitiesPotential patient subgroupsPharmacy processesProportion of daysClinical pathwayCompare sociodemographicsDisadvantaged areasEquitable provisionTafamidis therapyCardiac amyloidosisTafamidis treatmentPrevalence ratesClinical programsAmerican racePatient subgroupsPosting manuscripts
2023
Prevalence and significance of extracardiac uptake on pyrophosphate imaging in the SCAN-MP study: the first 379 cases.
Chan N, Einstein A, Griffin J, Rosenblum H, Teruya S, Cuomo M, De Los Santos J, DeLuca A, Johnson L, Kinkhabwala M, Leb J, Mintz A, Fine D, Helmke S, Muralidhar V, Pandey S, Sabogal N, Saith S, Winburn M, Smiley D, Miller E, Ruberg F, Maurer M. Prevalence and significance of extracardiac uptake on pyrophosphate imaging in the SCAN-MP study: the first 379 cases. Journal Of Nuclear Cardiology 2023, 30: 2531-2539. PMID: 38245059, DOI: 10.1007/s12350-023-03310-7.Peer-Reviewed Original ResearchConceptsTc-99m PYP uptakeExtracardiac uptakeATTR-CACardiac amyloidosisClinically actionable findingsDiagnose transthyretin cardiac amyloidosisTc-99Transthyretin cardiac amyloidosisBone uptakeTime of scanningBreast uptakeTc-99m PYP imagingThyroid uptakeHeart failureBlack raceRenal uptakeNuclear imagingPyrophosphate imagingTechnetium pyrophosphateHispanic ethnicityHispanic participantsNuclear scintigraphyMinority populationsClinicSelf-identifyPrevalence and significance of extracardiac uptake on pyrophosphate imaging in the SCAN-MP study: the first 379 cases
Chan N, Einstein A, Griffin J, Rosenblum H, Teruya S, Cuomo M, De Los Santos J, DeLuca A, Johnson L, Kinkhabwala M, Leb J, Mintz A, Fine D, Helmke S, Muralidhar V, Pandey S, Sabogal N, Saith S, Winburn M, Smiley D, Miller E, Ruberg F, Maurer M. Prevalence and significance of extracardiac uptake on pyrophosphate imaging in the SCAN-MP study: the first 379 cases. Journal Of Nuclear Cardiology 2023, 30: 2531-2539. PMID: 37311914, DOI: 10.1007/s12350-023-03310-7.Peer-Reviewed Original ResearchConceptsExtracardiac uptakePYP uptakeCardiac amyloidosisBone uptakeActionable findingsTiming of scansTransthyretin cardiac amyloidosisHeart failureBreast uptakeMean ageBlack raceRenal uptakeHispanic ethnicityThyroid uptakeATTR-CANuclear scintigraphyHispanic participantsTechnetium pyrophosphateNuclear imagingPYP scanPopulation studiesSelf-identified BlackAdditional testingAmyloidosisSubjectsDiagnostic performance characteristics of planar quantitative and semi-quantitative parameters of Tc99m pyrophosphate (PYP) imaging for diagnosis of transthyretin (ATTR) cardiac amyloidosis: the SCAN-MP study
Pandey S, Teruya S, Rodriguez C, Deluca A, Kinkhabwala M, Johnson L, Fine D, Sabogal N, Winburn M, Castillo M, Bhatia K, Malkovskaya R, Raiszadeh F, Kurian D, Miller E, Einstein A, Maurer M, Ruberg F. Diagnostic performance characteristics of planar quantitative and semi-quantitative parameters of Tc99m pyrophosphate (PYP) imaging for diagnosis of transthyretin (ATTR) cardiac amyloidosis: the SCAN-MP study. Journal Of Nuclear Cardiology 2023, 30: 1414-1419. PMID: 36823486, PMCID: PMC11268194, DOI: 10.1007/s12350-023-03203-9.Peer-Reviewed Original ResearchConceptsTransthyretin cardiac amyloidosisATTR-CACardiac amyloidosisLow pretest probabilityLow pretest likelihoodLV wall thicknessDiagnostic performance characteristicsPositive predictive valueNon-invasive diagnosisConclusionAmong patientsMinority older adultsHeart failurePretest likelihoodPretest probabilitySemi-quantitative parametersPYP uptakeImportant misclassificationPredictive valueImaging thresholdsOptimal heartOlder adultsDiagnostic performancePatientsReference standardScans
2020
Advances in PET-Based Cardiac Amyloid Radiotracers
Gallegos C, Miller EJ. Advances in PET-Based Cardiac Amyloid Radiotracers. Current Cardiology Reports 2020, 22: 40. PMID: 32430600, DOI: 10.1007/s11886-020-01284-3.Peer-Reviewed Original ResearchConceptsPositron emission tomographyCardiac amyloidosisAmyloid depositionAmyloid radiotracersCardiac amyloid depositionCare of patientsTransthyretin cardiac amyloidosisCardiac imaging techniquesCongo red stainingPurpose of ReviewWeNovel positron emission tomographyEndomyocardial biopsyImaging featuresAmyloid depositsUnmet needInvasive methodEmission tomographyAmyloidosisGold standardAdditive valueRed stainingBiopsyFurther dataDiagnosisRecent studies
2018
Time Course of Common Clinical Manifestations in Patients with Transthyretin Cardiac Amyloidosis: Delay From Symptom Onset to Diagnosis
Papoutsidakis N, Miller EJ, Rodonski A, Jacoby D. Time Course of Common Clinical Manifestations in Patients with Transthyretin Cardiac Amyloidosis: Delay From Symptom Onset to Diagnosis. Journal Of Cardiac Failure 2018, 24: 131-133. PMID: 29305186, DOI: 10.1016/j.cardfail.2017.12.005.Peer-Reviewed Original ResearchConceptsCommon clinical manifestationsTransthyretin cardiac amyloidosisSymptom onsetClinical manifestationsCardiac amyloidosisTime coursePatientsAmyloidosis
2016
Multicenter Study of Planar Technetium 99m Pyrophosphate Cardiac Imaging: Predicting Survival for Patients With ATTR Cardiac Amyloidosis
Castano A, Haq M, Narotsky DL, Goldsmith J, Weinberg RL, Morgenstern R, Pozniakoff T, Ruberg FL, Miller EJ, Berk JL, Dispenzieri A, Grogan M, Johnson G, Bokhari S, Maurer MS. Multicenter Study of Planar Technetium 99m Pyrophosphate Cardiac Imaging: Predicting Survival for Patients With ATTR Cardiac Amyloidosis. JAMA Cardiology 2016, 1: 880-889. PMID: 27557400, DOI: 10.1001/jamacardio.2016.2839.Peer-Reviewed Original ResearchConceptsATTR cardiac amyloidosisCardiac amyloidosisMulticenter studyWorse survivalEjection fractionHeart failureCardiac imagingMultivariable Cox proportional hazards regression analysisCox proportional hazards regression analysisProportional hazards regression analysisRetrospective cohort studyHigh clinical suspicionSingle-center studyHazards regression analysisKaplan-Meier analysisAL cardiac amyloidosisDifferentiation of patientsTransthyretin cardiac amyloidosisDates of analysisSemiquantitative visual scoreContralateral chestPlanar technetiumClinical suspicionCohort studyPrognostic importanceNational patterns in imaging utilization for diagnosis of cardiac amyloidosis: A focus on Tc99m-pyrophosphate scintigraphy
Harb SC, Haq M, Flood K, Guerrieri A, Passerell W, Jaber WA, Miller EJ. National patterns in imaging utilization for diagnosis of cardiac amyloidosis: A focus on Tc99m-pyrophosphate scintigraphy. Journal Of Nuclear Cardiology 2016, 24: 1094-1097. PMID: 27016106, DOI: 10.1007/s12350-016-0478-3.Peer-Reviewed Original ResearchConceptsCardiac amyloidosisCA diagnosisContralateral lung ratioTransthyretin cardiac amyloidosisLung ratioDiagnostic modalitiesMost centersTest utilizationWeb-based surveyScintigraphyMultiple centersDiagnosisQuantification of uptakeLow penetranceNational surveyAmyloidosisNational patternsCardiologistsDose