Featured Publications
Bleeding avoidance strategies and percutaneous coronary intervention outcomes: A 10-year observation from a Japanese Multicenter Registry
Sawano M, Spertus J, Masoudi F, Rumsfeld J, Numasawa Y, Inohara T, Kennedy K, Ueda I, Miyata H, Fukuda K, Kohsaka S. Bleeding avoidance strategies and percutaneous coronary intervention outcomes: A 10-year observation from a Japanese Multicenter Registry. American Heart Journal 2021, 235: 113-124. PMID: 33472053, DOI: 10.1016/j.ahj.2021.01.010.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionTransfemoral approachTransradial approachNational Cardiovascular Data Registry CathPCI RegistryVascular closure device usePercutaneous coronary intervention outcomesMultivariable logistic regression analysisClosure device useConsecutive PCI patientsJapanese multicenter registryAdjusted odds ratioLogistic regression analysisPCI patientsCathPCI RegistryCoronary interventionMulticenter registryBleeding rateJapanese patientsOdds ratioRisk scoreLower riskPatientsUS populationCathPCIJapanese populationPerformance of the MAGGIC heart failure risk score and its modification with the addition of discharge natriuretic peptides
Sawano M, Shiraishi Y, Kohsaka S, Nagai T, Goda A, Mizuno A, Sujino Y, Nagatomo Y, Kohno T, Anzai T, Fukuda K, Yoshikawa T. Performance of the MAGGIC heart failure risk score and its modification with the addition of discharge natriuretic peptides. ESC Heart Failure 2018, 5: 610-619. PMID: 29520978, PMCID: PMC6073038, DOI: 10.1002/ehf2.12278.Peer-Reviewed Original ResearchConceptsMAGGIC scoreBNP levelsB-type natriuretic peptide levelsAcute Heart Failure registryChronic Heart Failure (MAGGIC) scoreConsecutive acute HF patientsHeart failure patient outcomesHeart Failure Risk ScoreMeta-Analysis Global GroupAcute HF patientsHeart Failure RegistryHeart failure scoreProspective multicentre registryIncremental prognostic valueNatriuretic peptide levelsHeart failure patientsMulticentre registryHF patientsFailure patientsYear mortalityNatriuretic peptidePatient mortalityPrognostic valueMean ageJapanese Registry
2024
Hypertension Trends and Disparities Over 12 Years in a Large Health System: Leveraging the Electronic Health Records
Brush J, Lu Y, Liu Y, Asher J, Li S, Sawano M, Young P, Schulz W, Anderson M, Burrows J, Krumholz H. Hypertension Trends and Disparities Over 12 Years in a Large Health System: Leveraging the Electronic Health Records. Journal Of The American Heart Association 2024, 13: e033253. PMID: 38686864, PMCID: PMC11179912, DOI: 10.1161/jaha.123.033253.Peer-Reviewed Original ResearchConceptsElectronic health recordsRegional health systemImprove hypertension careHealth systemHealth recordsHypertension careDiastolic blood pressureAge-adjusted prevalence ratesNon-Hispanic Black patientsPrevalence ratesLarger health systemCross-sectional analysisTransformation of medical dataLeveraging real-world dataHigh prevalence rateHypertension trendsHypertension prevalenceBlood pressureBlood pressure measurementsHypertension diagnosisPrimary outcomeNational trendsProportion of patientsAntihypertensive medicationsBlack patients
2022
One-year outcome after percutaneous coronary intervention in nonagenarians: Insights from the J-PCI OUTCOME registry
Otowa K, Kohsaka S, Sawano M, Matsuura S, Chikata A, Maruyama M, Usuda K, Watanabe T, Ishii H, Amano T, Nakamura M, Ikari Y. One-year outcome after percutaneous coronary intervention in nonagenarians: Insights from the J-PCI OUTCOME registry. American Heart Journal 2022, 246: 105-116. PMID: 35016854, DOI: 10.1016/j.ahj.2022.01.004.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionAdverse cardiovascular eventsLong-term outcomesCardiovascular eventsNonagenarian patientsCardiovascular mortalityCoronary interventionOutcomes RegistryMajor adverse cardiovascular eventsCV death rateMajor bleeding eventsOne-year outcomesNationwide registration systemPatient-level dataLong-term survivalYears of ageMultivariate regression analysisBleeding eventsCardiogenic shockMajor bleedingOral anticoagulantsAdverse eventsElder patientsCardiac arrestLesion characteristics
2021
Sudden cardiac death after acute decompensation in heart failure patients: implications of discharge haemoglobin levels
Fukuoka R, Kohsaka S, Shiraishi Y, Sawano M, Abe T, Levy W, Nagatomo Y, Nishihata Y, Goda A, Kohno T, Kawamura A, Fukuda K, Yoshikawa T. Sudden cardiac death after acute decompensation in heart failure patients: implications of discharge haemoglobin levels. ESC Heart Failure 2021, 8: 3917-3928. PMID: 34323007, PMCID: PMC8497203, DOI: 10.1002/ehf2.13414.Peer-Reviewed Original ResearchConceptsSudden cardiac deathPump failure deathAcute HF patientsDischarge Hb levelsHeart failure patientsMode of deathHb levelsHF patientsFailure patientsCardiac deathEjection fractionHemoglobin levelsIncidence of SCDConsecutive acute HF patientsSeattle Proportional Risk ModelDischarge hemoglobin levelsProspective multicentre registryBaseline ejection fractionMean Hb levelNon-cardiovascular causesSeverity of anemiaSCD risk predictionProportional risk modelFailure deathHF managementEvidence‐to‐Practice Gap for Preventing Procedure‐Related Acute Kidney Injury in Patients Undergoing Percutaneous Coronary Intervention
Shoji S, Sawano M, Sandhu A, Heidenreich P, Shiraishi Y, Noma S, Suzuki M, Numasawa Y, Fukuda K, Kohsaka S. Evidence‐to‐Practice Gap for Preventing Procedure‐Related Acute Kidney Injury in Patients Undergoing Percutaneous Coronary Intervention. Journal Of The American Heart Association 2021, 10: e020047. PMID: 34310187, PMCID: PMC8475676, DOI: 10.1161/jaha.120.020047.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedAged, 80 and overClinical Decision-MakingContrast MediaDatabases, FactualEvidence-Based MedicineFemaleHumansIncidenceJapanKidneyKidney Function TestsMaleMiddle AgedPercutaneous Coronary InterventionProfessional Practice GapsProtective FactorsQuality ImprovementQuality Indicators, Health CareRadiography, InterventionalRetrospective StudiesRisk AssessmentRisk FactorsTreatment OutcomeConceptsAcute kidney injuryPercutaneous coronary interventionAKI risk scoreBaseline renal functionContrast volumeCoronary interventionRisk scoreAKI riskKidney injuryRenal functionAcute coronary syndrome presentationBackground Acute kidney injuryIntra-aortic balloon pumpMultivariable linear regression analysisContrast volume usagePreprocedural risk assessmentChronic kidney diseaseAvailable risk scoresCommon complicationBalloon pumpHeart failureSusceptible patientsOverall incidenceSyndrome presentationKidney diseaseOne-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 patientsFemale sex as an independent predictor of high bleeding risk among East Asian percutaneous coronary intervention patients: A sex difference analysis
Kodaira M, Sawano M, Tanaka M, Kuno T, Numasawa Y, Ueda I, Fukuda K, Kohsaka S. Female sex as an independent predictor of high bleeding risk among East Asian percutaneous coronary intervention patients: A sex difference analysis. Journal Of Cardiology 2021, 78: 431-438. PMID: 34172350, DOI: 10.1016/j.jjcc.2021.05.016.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionAcute coronary syndromeFine-Gray modelPrimary outcomeFemale sexPercutaneous coronary intervention patientsLower body mass indexEtiology of readmissionMulticenter PCI registryPrevious heart failureUnadjusted readmission ratesAdjusted hazard ratioHigh bleeding riskBody mass indexLong-term outcomesCox regression modelACS survivorsCumulative incidence functionMajor bleedingMore comorbiditiesBleeding riskCoronary syndromeIntervention patientsPCI registryCoronary interventionA 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 NotesConceptsTakotsubo syndromeCardiac ruptureLeft ventricular outflow tract obstructionVentricular outflow tract obstructionProphylactic anticoagulation therapyOutflow tract obstructionSuccessful conservative treatmentAnticoagulation therapyTract obstructionApical thrombusConservative treatmentCardiac surgeryHemoglobin levelsCareful observationPatientsSyndromeTreatmentRuptureHemopericardiumSurgeryAdmissionThrombusObstructionTherapyWeeks
2020
Beta blockers versus calcium channel blockers for provocation of vasospastic angina after drug-eluting stent implantation: a multicentre prospective randomised trial
Sawano M, Katsuki T, Kitai T, Tamita K, Obunai K, Ikegami Y, Yamane T, Ueda I, Endo A, Maekawa Y, Kawamura A, Fukuda K, Kohsaka S. Beta blockers versus calcium channel blockers for provocation of vasospastic angina after drug-eluting stent implantation: a multicentre prospective randomised trial. Open Heart 2020, 7: e001406. PMID: 33087441, PMCID: PMC7580072, DOI: 10.1136/openhrt-2020-001406.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAgedAged, 80 and overAngina PectorisCalcium Channel BlockersCoronary Artery DiseaseCoronary VasospasmDrug-Eluting StentsFemaleHumansIncidenceJapanMaleMiddle AgedPercutaneous Coronary InterventionProspective StudiesProtective FactorsRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsMajor cardiovascular eventsPercutaneous coronary interventionCalcium channel blockersCoronary artery diseaseStable coronary artery diseaseDrug-eluting stent implantationAcetylcholine provocation testingDiagnostic coronary angiographyBeta blockersCCB groupArtery diseaseCoronary angiographyVasospastic anginaCoronary revascularisationProvocation testingStent implantationChannel blockersSecond-generation drug-eluting stent implantationUniversity Hospital Medical Information Network Clinical Trials RegistryIndex percutaneous coronary interventionNon-fatal myocardial infarctionSingle-vessel lesionsSubsequent coronary eventsCoronary artery spasmClinical Trials RegistryAssociation of decreasing hemoglobin levels with the incidence of acute kidney injury after percutaneous coronary intervention: a prospective multi-center study
Kuno T, Numasawa Y, Mikami T, Niimi N, Sawano M, Kodaira M, Suzuki M, Ueno K, Ueda I, Fukuda K, Kohsaka S. Association of decreasing hemoglobin levels with the incidence of acute kidney injury after percutaneous coronary intervention: a prospective multi-center study. Heart And Vessels 2020, 36: 330-336. PMID: 33034713, DOI: 10.1007/s00380-020-01706-w.Peer-Reviewed Original ResearchConceptsAcute kidney injuryPercutaneous coronary interventionRisk of AKIHemoglobin dropAKI incidenceKidney injuryCoronary interventionHemoglobin levelsProspective multi-center studySerum creatinine levelsMulti-center studyRelative decreaseConsecutive patientsCreatinine levelsIndependent predictorsRisk factorsHemoglobin changeHigh riskAbsolute decreaseLogistic regressionPatientsIncidenceHemoglobinInjuryDlGuideline-Based Medications for Older Adults Discharged after Percutaneous Coronary Intervention in a Suburban City of Japan: A Cohort Study Using Claims Data
Shimada K, Hamada S, Sawano M, Yamamoto H, Yoshie S, Iijima K, Miyata H. Guideline-Based Medications for Older Adults Discharged after Percutaneous Coronary Intervention in a Suburban City of Japan: A Cohort Study Using Claims Data. The Tohoku Journal Of Experimental Medicine 2020, 252: 143-152. PMID: 33028759, DOI: 10.1620/tjem.252.143.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAgedAged, 80 and overAngiotensin Receptor AntagonistsAngiotensin-Converting Enzyme InhibitorsFemaleGeriatricsHumansHydroxymethylglutaryl-CoA Reductase InhibitorsInsurance Claim ReviewJapanMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOdds RatioPatient DischargePercutaneous Coronary InterventionPractice Guidelines as TopicRetrospective StudiesSecondary PreventionConceptsPercutaneous coronary interventionGuideline-based medicationsSecondary preventionΒ-blockersCohort studyCoronary interventionPrescription ratesClaims dataMultivariable logistic regression analysisOlder groupOlder adultsPrescription of antiplateletACEI/ARBRetrospective cohort studyAssociation of ageLogistic regression analysisCardiovascular eventsReceptor blockersAdjusted analysisBetter prognosisEnzyme inhibitorsMedicationsCommunity settingsStatinsPreventionIndependent and cumulative association of clinical and morphological heart failure with long-term outcome after percutaneous coronary intervention
Kimura M, Kohno T, Sawano M, Heidenreich P, Ueda I, Takahashi T, Matsubara T, Ueno K, Hayashida K, Yuasa S, Ohki T, Fukuda K, Kohsaka S. Independent and cumulative association of clinical and morphological heart failure with long-term outcome after percutaneous coronary intervention. Journal Of Cardiology 2020, 77: 41-47. PMID: 32888830, DOI: 10.1016/j.jjcc.2020.06.014.Peer-Reviewed Original ResearchMeSH KeywordsAgedCause of DeathFemaleHeart Disease Risk FactorsHeart FailureHospitalizationHumansIncidenceJapanMaleMiddle AgedPercutaneous Coronary InterventionPostoperative ComplicationsProportional Hazards ModelsRegistriesStrokeStroke VolumeTreatment OutcomeVentricular Dysfunction, LeftVentricular Function, LeftConceptsLeft ventricular systolic dysfunctionLeft ventricular ejection fractionMajor adverse cardiovascular eventsClinical heart failureNon-cardiac deathHeart failureLong-term outcomesHF hospitalizationIncidence of MACEAdverse long-term clinical outcomesLong-term clinical outcomesPercutaneous coronary intervention outcomesClinical HF symptomsMulticenter registry studyAdverse cardiovascular eventsCoronary artery bypassVentricular systolic dysfunctionAcute coronary syndromePercutaneous coronary interventionVentricular ejection fractionPost-procedural outcomesCause deathArtery bypassCardiovascular eventsCoronary syndromeAssociation of Second-Generation Drug-Eluting Stent Length With 2-Year Adverse Clinical Outcomes Among Japanese Patients With Ischemic Heart Disease
Ejiri K, Sawano M, Numasawa Y, Noma S, Ito H, Fukuda K, Kohsaka S. Association of Second-Generation Drug-Eluting Stent Length With 2-Year Adverse Clinical Outcomes Among Japanese Patients With Ischemic Heart Disease. JAMA Network Open 2020, 3: e2012546. PMID: 32756926, PMCID: PMC7407091, DOI: 10.1001/jamanetworkopen.2020.12546.Peer-Reviewed Original ResearchAdherence to antihypertensive medication and its predictors among non-elderly adults in Japan
Nishimura S, Kumamaru H, Shoji S, Sawano M, Kohsaka S, Miyata H. Adherence to antihypertensive medication and its predictors among non-elderly adults in Japan. Hypertension Research 2020, 43: 705-714. PMID: 32313192, DOI: 10.1038/s41440-020-0440-2.Peer-Reviewed Original ResearchConceptsLow adherenceAntihypertensive medicationsAntihypertensive drugsJapanese patientsLarge administrative claims databaseAntihypertensive drug usersInitiation of angiotensinAdministrative claims databaseSuboptimal clinical outcomesProportion of daysNon-elderly adultsLogistic regression analysisHypertensive patientsThiazide diureticsClinical outcomesClaims databaseFemale sexHigh adherencePatientsEnzyme inhibitorsDrug usersYounger ageTargeted interventionsFacility characteristicsLarge hospitalsIschemic and Bleeding Events Among Patients With Acute Coronary Syndrome Associated With Low-Dose Prasugrel vs Standard-Dose Clopidogrel Treatment
Shoji S, Sawano M, Sandhu A, Heidenreich P, Shiraishi Y, Ikemura N, Ueno K, Suzuki M, Numasawa Y, Fukuda K, Kohsaka S. Ischemic and Bleeding Events Among Patients With Acute Coronary Syndrome Associated With Low-Dose Prasugrel vs Standard-Dose Clopidogrel Treatment. JAMA Network Open 2020, 3: e202004. PMID: 32239221, PMCID: PMC7118520, DOI: 10.1001/jamanetworkopen.2020.2004.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAged, 80 and overAspirinBrain IschemiaCase-Control StudiesClopidogrelDeathDrug Therapy, CombinationFemaleHemorrhageHumansJapanMaleMiddle AgedMyocardial InfarctionPercutaneous Coronary InterventionPlatelet Aggregation InhibitorsPrasugrel HydrochlorideRegistriesRenal Insufficiency, ChronicRetrospective StudiesRisk AssessmentStrokeConceptsLow-dose prasugrelPercutaneous coronary interventionPrimary ischemic eventsAcute coronary syndromeBleeding eventsIschemic eventsCoronary syndromeST-segment elevation myocardial infarctionAcute Coronary Syndrome AssociatedPropensity score-matched analysisHigh-bleeding riskStandard-dose clopidogrelChronic kidney diseaseElevation myocardial infarctionPresent cohort studyShort-term outcomesEast Asian patientsReal-world outcomesPrasugrel treatmentClopidogrel administrationP2Y12 inhibitorsBaseline characteristicsClopidogrel treatmentCohort studyCoronary interventionRisk 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 Left Atrial Abnormality and B-Type Natriuretic Peptide in a General Japanese Population: NIPPON DATA2010
Shoji S, Kohsaka S, Sawano M, Okamura T, Hirata A, Sugiyama D, Ohkubo T, Nakamura Y, Watanabe M, Kadota A, Ueshima H, Okayama A, Miura K, Group F. Electrocardiographic Left Atrial Abnormality and B-Type Natriuretic Peptide in a General Japanese Population: NIPPON DATA2010. Journal Of Atherosclerosis And Thrombosis 2020, 28: 34-43. PMID: 32188793, PMCID: PMC7875149, DOI: 10.5551/jat.54171.Peer-Reviewed Original ResearchConceptsFuture cardiovascular eventsBNP concentrationsCardiovascular eventsElevated BNPGeneral populationB-type natriuretic peptide concentrationsElectrocardiographic Left Atrial AbnormalityJapanese Circulation Society guidelinesB-type natriuretic peptideP-wave terminal forceContemporary general populationEarliest detectable markerElevated BNP concentrationsHistory of hypertensionNatriuretic peptide concentrationsJapanese populationGeneral population cohortHigher BNP concentrationsRepresentative Japanese populationGeneral Japanese populationLeft atrial abnormalityAtrial pressureElectrocardiogram (ECG) markersElectrocardiographic findingsNatriuretic peptideElectrocardiographic 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