2024
Deep-learning generated B-line score mirrors clinical progression of disease for patients with heart failure
Baloescu C, Chen A, Varasteh A, Hall J, Toporek G, Patil S, McNamara R, Raju B, Moore C. Deep-learning generated B-line score mirrors clinical progression of disease for patients with heart failure. The Ultrasound Journal 2024, 16: 42. PMID: 39283362, PMCID: PMC11405569, DOI: 10.1186/s13089-024-00391-4.Peer-Reviewed Original ResearchB-line scoreComposite congestion scoreCongestion scoreHeart failureSeverity scoreB-linesCongestive heart failurePatients suspectedPulmonary congestionLung zonesClinical progressionRothman IndexClinical assessmentDisease severityPatientsPresence of artifactsEvaluate changesLungDetect fluidUltrasound experienceMixed effects modelsScoresDiseaseInterstitial spaceUltrasound system
2023
Two‐ Versus 8‐Zone Lung Ultrasound in Heart Failure: Analysis of a Large Data Set Using a Deep Learning Algorithm
Baloescu C, Chen A, Varasteh A, Toporek G, McNamara R, Raju B, Moore C. Two‐ Versus 8‐Zone Lung Ultrasound in Heart Failure: Analysis of a Large Data Set Using a Deep Learning Algorithm. Journal Of Ultrasound In Medicine 2023, 42: 2349-2356. PMID: 37255051, DOI: 10.1002/jum.16262.Peer-Reviewed Original ResearchConceptsHeart failureLung ultrasoundBland-Altman plot analysisSubgroup analysisUltrasound protocolMore lung zonesProspective observational studyReal-world clinical useB-linesAdult patientsLung zonesObservational studyClinical useScanning protocolVideo loopsPatientsPlot analysisRate severityUltrasoundAverage severitySeverityScoresTwo- VersusFailureSeverity information
2007
Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction
McNamara RL, Herrin J, Wang Y, Curtis JP, Bradley EH, Magid DJ, Rathore SS, Nallamothu BK, Peterson ED, Blaney ME, Frederick P, Krumholz HM. Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction. The American Journal Of Cardiology 2007, 100: 1227-1232. PMID: 17920362, PMCID: PMC2715362, DOI: 10.1016/j.amjcard.2007.05.043.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArrhythmias, CardiacCaliforniaCohort StudiesEmergency Service, HospitalEmergency TreatmentFemaleFibrinolytic AgentsHospital MortalityHumansMaleMedical RecordsMyocardial InfarctionOutcome Assessment, Health CareRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionNeedle timeFibrinolytic therapyMyocardial infarctionHospital mortalitySymptom onsetOdds ratioReperfusion strategyAdjunctive medicationsHospital arrivalShorter doorTimely administrationNational registryRepresentative cohortPatientsMortalityInfarctionTherapyIndependent effectsCohortMinutesSmaller centersOnsetImpact of delay
2006
Strategies for Reducing the Door-to-Balloon Time in Acute Myocardial Infarction
Bradley EH, Herrin J, Wang Y, Barton BA, Webster TR, Mattera JA, Roumanis SA, Curtis JP, Nallamothu BK, Magid DJ, McNamara RL, Parkosewich J, Loeb JM, Krumholz HM. Strategies for Reducing the Door-to-Balloon Time in Acute Myocardial Infarction. New England Journal Of Medicine 2006, 355: 2308-2320. PMID: 17101617, DOI: 10.1056/nejmsa063117.Peer-Reviewed Original ResearchConceptsST-segment elevationBalloon timeCatheterization laboratoryMyocardial infarctionFaster doorEmergency departmentPrimary percutaneous coronary interventionHospital strategiesIntracoronary balloon inflationPercutaneous coronary interventionAcute myocardial infarctionMinority of hospitalsEmergency medicine physiciansReperfusion treatmentCoronary interventionBalloon inflationMedicine physiciansMultivariate analysisHospitalInfarctionPatientsMedicaid ServicesSignificant reductionReal-time data feedbackData feedback
2005
Hospital Improvement in Time to Reperfusion in Patients With Acute Myocardial Infarction, 1999 to 2002
McNamara RL, Herrin J, Bradley EH, Portnay EL, Curtis JP, Wang Y, Magid DJ, Blaney M, Krumholz HM, Investigators N. Hospital Improvement in Time to Reperfusion in Patients With Acute Myocardial Infarction, 1999 to 2002. Journal Of The American College Of Cardiology 2005, 47: 45-51. PMID: 16386663, PMCID: PMC1475926, DOI: 10.1016/j.jacc.2005.04.071.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionBalloon timeMin/yearNeedle timeMyocardial infarctionHospital characteristicsAcute ST-segment elevation myocardial infarctionPercutaneous coronary intervention cohortPercutaneous coronary intervention volumeElevation myocardial infarctionPercutaneous coronary interventionRetrospective observational studyFour-year study periodRapid reperfusionCoronary interventionFibrinolytic therapyHospital arrivalTherapy cohortReperfusion timeIntervention cohortNational registryIntervention volumeObservational studyHospital improvementPatients
2001
Evidence-based Practice Centers: Production of Evidence Report on Management of Atrial Fibrillation
Robinson K, McNamara R, Bass E, Powe N. Evidence-based Practice Centers: Production of Evidence Report on Management of Atrial Fibrillation. AACN Advanced Critical Care 2001, 12: 618-627. PMID: 11759433, DOI: 10.1097/00044067-200111000-00018.Peer-Reviewed Original ResearchConceptsEvidence-based Practice CenterEvidence reportPractice centerAtrial fibrillationJohns Hopkins EvidenceEvidence-based careEvidence-based healthcareSpecific clinicSynthesis of evidenceSpecific patientHealthcare ResearchHealthcare practitionersIndividual basisFibrillationEvidence-based productsReportData abstractionPatientsGuidelines for the management of patients with atrial fibrillation. A report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the European Society of Cardiology Committee for Practice Guidelines and Policy Conferences (Committee to develop guidelines for the management of patients with atrial fibrillation) developed in collaboration with the North American Society of Pacing and Electrophysiology
Fuster V, Rydén L, Asinger R, Cannom D, Crijns H, Frye R, Halperin J, Kay G, Klein W, Lévy S, McNamara R, Prystowsky E, Wann L, Wyse D. Guidelines for the management of patients with atrial fibrillation. A report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the European Society of Cardiology Committee for Practice Guidelines and Policy Conferences (Committee to develop guidelines for the management of patients with atrial fibrillation) developed in collaboration with the North American Society of Pacing and Electrophysiology. European Heart Journal 2001, 22: 1852-1923. PMID: 11601835, DOI: 10.1053/euhj.2001.2983.Peer-Reviewed Original ResearchSpecialty of principal care physician and Medicare expenditures in patients with coronary artery disease: impact of comorbidity and severity.
McNamara R, Powe N, Thiemann D, Shaffer T, Weller W, Anderson G. Specialty of principal care physician and Medicare expenditures in patients with coronary artery disease: impact of comorbidity and severity. The American Journal Of Managed Care 2001, 7: 261-6. PMID: 11258143.Peer-Reviewed Original ResearchConceptsPrincipal care physicianCoronary artery diseaseAcute myocardial infarctionArtery diseaseCare physiciansUnstable anginaMean expenditureMyocardial infarctionChronic coronary artery diseaseMedicare expendituresProportion of patientsImpact of comorbiditiesLevel of comorbiditySeverity of diagnosisCharlson indexElderly patientsLow comorbidityPhysician typeAcute diagnosisChronic conditionsAcute diseaseChronic diseasesRetrospective analysisComorbiditiesPatients
2000
Prevention of Thromboembolism in Atrial Fibrillation
Segal J, McNamara R, Miller M, Kim N, Goodman S, Powe N, Robinson K, Bass E, Center F. Prevention of Thromboembolism in Atrial Fibrillation. Journal Of General Internal Medicine 2000, 15: 56-67. PMID: 10632835, PMCID: PMC1495320, DOI: 10.1046/j.1525-1497.2000.04329.x.Peer-Reviewed Original ResearchConceptsAtrial fibrillationMajor bleedsStroke preventionMajor hemorrhageCochrane Collaboration's CENTRAL databaseAdditional major bleedsMore major bleedingMore major bleedsMore major hemorrhagePrimary stroke preventionPrevention of thromboembolismRisk of hemorrhageTrials of drugsCentral databaseMajor bleedingYounger patientsPrimary preventionMean agePatient riskBaseline riskStroke rateLower riskAspirinPatientsModerate evidenceThe evidence regarding the drugs used for ventricular rate control.
Segal J, McNamara R, Miller M, Kim N, Goodman S, Powe N, Robinson K, Yu D, Bass E. The evidence regarding the drugs used for ventricular rate control. The Journal Of Family Practice 2000, 49: 47-59. PMID: 10678340.Peer-Reviewed Original ResearchConceptsHeart rate controlExercise toleranceAtrial fibrillationHeart rateBetter heart rate controlCochrane Collaboration's CENTRAL databaseCalcium channel blocker verapamilAbstracts of trialsTrial of verapamilImproved exercise toleranceVentricular rate controlTrials of drugsEnglish-language articlesEnglish-language abstractsCentral databaseVentricular rateBlocker verapamilInsufficient evidenceSystematic reviewPlaceboFibrillationTrialsDrugsLanguage publicationsPatients
1998
Capitation for cardiologists: Accepting risk for coronary artery disease under managed care
McNamara R, Powe N, Shaffer T, Thiemann D, Weller W, Anderson G. Capitation for cardiologists: Accepting risk for coronary artery disease under managed care. The American Journal Of Cardiology 1998, 82: 1178-1182. PMID: 9832090, DOI: 10.1016/s0002-9149(98)00602-x.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseMean annual expenditureArtery diseaseMedicare populationDemographic factorsGeneral Medicare populationCapitation ratesCertain chronic illnessesHigher mean expendituresMeasures of severityAnnual expenditureCharlson indexClinical factorsChronic diseasesChronic illnessDiseases codesClinical measuresCare plansInternational ClassificationPatientsNational random sampleMean expenditureDiseaseHigher expendituresComorbidities
1997
Echocardiographic identification of cardiovascular sources of emboli to guide clinical management of stroke: a cost-effectiveness analysis.
McNamara R, Lima J, Whelton P, Powe N. Echocardiographic identification of cardiovascular sources of emboli to guide clinical management of stroke: a cost-effectiveness analysis. Annals Of Internal Medicine 1997, 127: 775-87. PMID: 9382398, DOI: 10.7326/0003-4819-127-9-199711010-00001.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnticoagulantsCardiovascular DiseasesCerebrovascular DisordersCohort StudiesCost-Benefit AnalysisDecision Support TechniquesEchocardiographyEchocardiography, TransesophagealHealth Care CostsHumansMarkov ChainsQuality-Adjusted Life YearsRecurrenceSensitivity and SpecificityThromboembolismConceptsTransesophageal echocardiographyAtrial thrombusRecurrent strokeTransthoracic echocardiographyCardiovascular sourcesNew-onset strokePotential cardiovascular sourcesRisks of anticoagulationEfficacy of anticoagulationNormal sinus rhythmQuality of lifeCost-effectiveness analysisIntracranial bleedingEchocardiographic identificationSinus rhythmAnticoagulation effectClinical managementCardiac problemsEchocardiographyAnticoagulationMedicare dataMortality ratePatientsHypothetical patientsClinical practice4-07-34 Transesophageal echocardiographic (TEE) findings in patients with lacunar infarction according to clinical presentation
Lavados P, McNamara R, Lima J, Oppenheimer S. 4-07-34 Transesophageal echocardiographic (TEE) findings in patients with lacunar infarction according to clinical presentation. Journal Of The Neurological Sciences 1997, 150: s220-s221. DOI: 10.1016/s0022-510x(97)85944-8.Peer-Reviewed Original Research