2009
Cerebral Ischemic Events Associated With ‘Bubble Study’ for Identification of Right to Left Shunts
Romero J, Frey J, Schwamm L, Demaerschalk B, Chaliki H, Parikh G, Burke R, Babikian V. Cerebral Ischemic Events Associated With ‘Bubble Study’ for Identification of Right to Left Shunts. Stroke 2009, 40: 2343-2348. PMID: 19498192, DOI: 10.1161/strokeaha.109.549683.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overArteriovenous MalformationsEchocardiographyEchocardiography, TransesophagealFemaleForamen Ovale, PatentHealth SurveysHumansIschemic Attack, TransientMicrobubblesMiddle AgedStrokeUltrasonography, Doppler, TranscranialConceptsCerebral ischemic eventsIschemic eventsPatent foramenBubble studyIschemic strokePulmonary shuntEarly brain MRIIschemic Cerebrovascular ComplicationsCryptogenic ischemic strokeTransient ischemic attackEvaluation of patientsPulmonary arteriovenous malformationsDegree of disabilitySaline intravenous injectionCerebrovascular complicationsIschemic attackInfarct volumeIschemic complicationsRare complicationAcute infarctionClinical featuresTransient symptomsTrue incidenceReporting of drugDevice complicationsFalse Positive CT Angiography in Brain Death
Greer DM, Strozyk D, Schwamm LH. False Positive CT Angiography in Brain Death. Neurocritical Care 2009, 11: 272-275. PMID: 19390993, DOI: 10.1007/s12028-009-9220-1.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrain DeathBrain EdemaCerebral AngiographyCerebrovascular CirculationCircle of WillisDiagnosis, DifferentialElectroencephalographyFalse Positive ReactionsFemaleHeart ArrestHumansTechnetium Tc 99m ExametazimeTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedUltrasonography, Doppler, TranscranialConceptsCerebral circulatory arrestBrain criteriaCirculatory arrestBrain deathPositive CT angiographyCerebral blood flowSingle photon emissionTranscranial DopplerNewer testsClinical examinationTomographic angiographyConventional angiographyCT angiographyBlood flowAncillary testsEase of performanceAngiographyDetermination of deathGold standardConfirmatory testDeathPhoton emissionAcceptable testArrestPatients
1998
Effects of Induced Hypertension on Transcranial Doppler Ultrasound Velocities in Patients After Subarachnoid Hemorrhage
Manno E, Gress D, Schwamm L, Diringer M, Ogilvy C. Effects of Induced Hypertension on Transcranial Doppler Ultrasound Velocities in Patients After Subarachnoid Hemorrhage. Stroke 1998, 29: 422-428. PMID: 9472884, DOI: 10.1161/01.str.29.2.422.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureFemaleHemodynamicsHomeostasisHumansHypertensionMaleMiddle AgedPatient SelectionPhenylephrineSubarachnoid HemorrhageUltrasonography, Doppler, TranscranialVasoconstrictor AgentsConceptsMiddle cerebral arteryInduced hypertensionTCD velocitiesSubarachnoid hemorrhageTranscranial Doppler ultrasoundIntact autoregulationArterial pressureCerebral vasospasmCerebral arteryCerebral autoregulationTranscranial Doppler ultrasound velocitiesCerebral blood flow velocityContinuous TCD monitoringMean arterial pressureBlood flow velocityLevel of autoregulationDoppler ultrasound velocitiesAdditional patientsClinical evidenceClinical differencesTCD monitoringHypertensionDoppler ultrasoundHemorrhagePatients