2024
Association between 82Rb positron emission tomography-derived regional myocardial blood flow, severity of angiographic coronary artery stenosis, and mortality in patients with chest pain
Gallegos C, Paredes C, Hu J, Posada E, Saito Y, Lansky A, Shah S, Liu Y, Smolderen K, Mena-Hurtado C, Sinusas A, Miller E. Association between 82Rb positron emission tomography-derived regional myocardial blood flow, severity of angiographic coronary artery stenosis, and mortality in patients with chest pain. Advances In Radiotherapy & Nuclear Medicine 2024, 2: 3786. DOI: 10.36922/arnm.3786.Peer-Reviewed Original ResearchMyocardial flow reserveGlobal myocardial flow reserveQuantitative coronary angiographyAssociated with increased all-cause mortalityPositron emission tomographyCoronary artery stenosis severityMyocardial blood flowAll-cause mortalityCoronary angiographyChest painStenosis severityAngiographic coronary artery stenosisResting myocardial blood flowAcute chest painBlood flowInvasive coronary angiographyLeft circumflex arteryLeft descending arteryRight coronary arteryCoronary artery stenosisStress testCoronary stenosis severityCardiovascular eventsDescending arteryWeak correlation
2021
Association Between Impaired Myocardial Flow Reserve on 82Rubidium Positron Emission Tomography Imaging and Adverse Events in Patients With Autoimmune Rheumatic Disease
Feher A, Boutagy NE, Oikonomou EK, Liu YH, Miller EJ, Sinusas AJ, Hinchcliff M. Association Between Impaired Myocardial Flow Reserve on 82Rubidium Positron Emission Tomography Imaging and Adverse Events in Patients With Autoimmune Rheumatic Disease. Circulation Cardiovascular Imaging 2021, 14: e012208. PMID: 34503339, PMCID: PMC8475774, DOI: 10.1161/circimaging.120.012208.Peer-Reviewed Original ResearchConceptsAutoimmune rheumatic diseasesMyocardial flow reserveLower myocardial flow reserveCox regression analysisAdverse eventsARDS diagnosisIndependent predictorsRheumatic diseasesPerfusion defectsFlow reserveNormal myocardial flow reserveLeft ventricular ejection fractionEnd pointGlobal myocardial flow reserveImpaired Myocardial Flow ReserveComorbidity-matched patientsSevere coronary calcificationCombined end pointCoronary microvascular dysfunctionHeart failure admissionsComposite end pointEvent-free survivalFramingham risk scoreLarge perfusion defectsRetrospective cohort analysis