2022
Impact of baseline blood pressure on adverse outcomes in Japanese patients with non-valvular atrial fibrillation: the J-RISK AF
Kodani E, Tomita H, Nakai M, 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, Okumura K, Group F. Impact of baseline blood pressure on adverse outcomes in Japanese patients with non-valvular atrial fibrillation: the J-RISK AF. European Heart Journal Open 2022, 2: oeac081. PMID: 36583077, PMCID: PMC9793850, DOI: 10.1093/ehjopen/oeac081.Peer-Reviewed Original ResearchSystolic baseline blood pressureBaseline blood pressureAtrial fibrillationMajor bleedingHazard ratioAF RegistryJapanese patientsCardiovascular deathIschemic strokeBlood pressureAdverse outcomesBaseline systolic BPNon-valvular AF patientsNon-valvular atrial fibrillationFushimi AF RegistryJ-RHYTHM RegistryIndependent risk factorBaseline BP valuesLarge-scale cohortCause deathAdverse eventsCardiovascular mortalityAF patientsPooled analysisRisk factorsUsefulness of echocardiographic parameters in predicting the incidence of ischemic stroke in Japanese patients with non-valvular atrial fibrillation
Tezuka Y, Akao M, Suzuki S, Yamashita T, Kodani E, Tsuda T, Hayashi K, Furusho H, Sawano M, Fukuda K, Nakai M, Sasahara Y, Miyamoto Y, Tomita H, Okumura K. Usefulness of echocardiographic parameters in predicting the incidence of ischemic stroke in Japanese patients with non-valvular atrial fibrillation. European Heart Journal 2022, 43: ehac544.548. DOI: 10.1093/eurheartj/ehac544.548.Peer-Reviewed Original ResearchIncidence of ISRelative wall thicknessPrescription of OACsCHA2DS2-VASc scoreIschemic strokeLV ejection fractionOral anticoagulantsAtrial fibrillationJapanese patientsNVAF patientsEchocardiographic parametersEjection fractionRisk factorsNon-valvular atrial fibrillation patientsHigher relative wall thicknessNon-valvular atrial fibrillationLV end-diastolic dimensionEcho parametersEnd-diastolic dimensionAtrial fibrillation patientsCo-existing diseasesKaplan-Meier analysisParasternal long-axis viewNovel risk scoreBackground Atrial fibrillation
2021
One-Year Outcome After Percutaneous Coronary Intervention for Acute Coronary Syndrome ― An Analysis of 20,042 Patients From a Japanese Nationwide Registry ―
Sawano M, Kohsaka S, Ishii H, Numasawa Y, Yamaji K, Inohara T, Amano T, Ikari Y, Nakamura M. One-Year Outcome After Percutaneous Coronary Intervention for Acute Coronary Syndrome ― An Analysis of 20,042 Patients From a Japanese Nationwide Registry ―. Circulation Journal 2021, 85: 1756-1767. PMID: 34162778, DOI: 10.1253/circj.cj-21-0098.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionST-elevation myocardial infarctionHeart failureHospital survivorsCoronary interventionIschemic strokeUnstable anginaMyocardial infarctionHigh riskAcute myocardial infarction populationNon-fatal ischemic strokeLate adverse cardiac eventsJapanese nationwide cohortJapanese nationwide registryNon-cardiac deathAcute heart failureAdverse cardiac eventsAcute coronary syndromeHeart failure eventsOne-year outcomesElevation myocardial infarctionSudden cardiac deathMyocardial infarction populationQuality of careACS patientsA 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 treatment
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 studyElectrocardiographic ST-T Abnormities Are Associated With Stroke Risk in the REGARDS Study
Sawano M, Yuan Y, Kohsaka S, Inohara T, Suzuki T, Okamura T, Howard G, Howard V, Judd S, Soliman E, Cushman M. Electrocardiographic ST-T Abnormities Are Associated With Stroke Risk in the REGARDS Study. Stroke 2020, 51: 1100-1106. PMID: 32126939, PMCID: PMC7122793, DOI: 10.1161/strokeaha.119.028069.Peer-Reviewed Original ResearchConceptsIschemic strokeREGARDS studyMultivariable Cox proportional hazards regressionIncident coronary artery diseaseCox proportional hazards regressionAge-adjusted incidence ratesCalculate hazard ratiosFuture ischemic strokeIncident ischemic strokeMinnesota ECG ClassificationStroke risk factorsRisk of strokeCoronary artery diseaseProportional hazards regressionCoronary heart diseaseMinor ECG abnormalitiesNonspecific ST-segmentT-wave abnormalitiesIncident strokePrior strokeArtery diseaseHazard ratioStroke riskHazards regressionBaseline ECG