2021
A Novel Risk Stratification System for Ischemic Stroke in Japanese Patients With Non-Valvular Atrial Fibrillation
Okumura K, Tomita H, Nakai M, Kodani E, Akao M, Suzuki S, Hayashi K, Sawano M, Goya M, Yamashita T, Fukuda K, Ogawa H, Tsuda T, Isobe M, Toyoda K, Miyamoto Y, Miyata H, Okamura T, Sasahara Y, Group F. A Novel Risk Stratification System for Ischemic Stroke in Japanese Patients With Non-Valvular Atrial Fibrillation. Circulation Journal 2021, 85: 1254-1262. PMID: 33762526, DOI: 10.1253/circj.cj-20-1075.Peer-Reviewed Original ResearchConceptsJapanese NVAF patientsIndependent risk factorIschemic strokeNVAF patientsRisk factorsAF RegistryHazard ratioC-statisticJapanese non-valvular atrial fibrillation (NVAF) patientsNon-valvular atrial fibrillation patientsCox hazard proportional analysisNovel risk stratification systemNon-valvular atrial fibrillationLower body mass indexFushimi AF RegistryIschemic stroke eventsJ-RHYTHM RegistryAtrial fibrillation patientsOral anticoagulant treatmentBody mass indexSignificant risk factorsRisk stratification systemType of AFVASc scoreAnticoagulant treatmentSuccessful Conservative Treatment of Cardiac Rupture Associated with Takotsubo Syndrome
Mano Y, Baba A, Sukegawa H, Sawano M, Nishiyama T, Ohki T. Successful Conservative Treatment of Cardiac Rupture Associated with Takotsubo Syndrome. Internal Medicine 2021, 60: 2097-2102. PMID: 33551402, PMCID: PMC8313900, DOI: 10.2169/internalmedicine.5831-20.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAgedAnticoagulantsConservative TreatmentFemaleHeart RuptureHumansTakotsubo CardiomyopathyThrombosisConceptsTakotsubo syndromeCardiac ruptureLeft ventricular outflow tract obstructionVentricular outflow tract obstructionProphylactic anticoagulation therapyOutflow tract obstructionSuccessful conservative treatmentAnticoagulation therapyTract obstructionApical thrombusConservative treatmentCardiac surgeryHemoglobin levelsCareful observationPatientsSyndromeTreatmentRuptureHemopericardiumSurgeryAdmissionThrombusObstructionTherapyWeeks
2020
Risk Factors Associated With Ischemic Stroke in Japanese Patients With Nonvalvular Atrial Fibrillation
Okumura K, Tomita H, Nakai M, Kodani E, Akao M, Suzuki S, Hayashi K, Sawano M, Goya M, Yamashita T, Fukuda K, Ogawa H, Tsuda T, Isobe M, Toyoda K, Miyamoto Y, Miyata H, Okamura T, Sasahara Y. Risk Factors Associated With Ischemic Stroke in Japanese Patients With Nonvalvular Atrial Fibrillation. JAMA Network Open 2020, 3: e202881. PMID: 32293685, PMCID: PMC7160687, DOI: 10.1001/jamanetworkopen.2020.2881.Peer-Reviewed Original ResearchConceptsNonvalvular atrial fibrillationFushimi AF RegistryJ-RHYTHM RegistryRisk stratification schemesIschemic strokeAF RegistryBody mass indexRisk factorsAtrial fibrillationJapanese patientsPermanent AFPrevious strokeMass indexShinken DatabaseStratification schemesCox proportional hazards analysisLower body mass indexOral anticoagulant useIndependent risk factorProportional hazards analysisSignificant risk factorsIndividual patient dataValvular AFAnticoagulant useCohort study