Voluntary Faculty
Voluntary faculty are typically clinicians or others who are employed outside of the School but make significant contributions to department programs at the medical center or at affiliate institutions.
Voluntary rank detailsDavid Fischer, MD
Clinical ProfessorAbout
Research
Publications
2026
Computed tomography assessment after out-of-hospital cardiac arrest resuscitation
Halablab S, Shofer F, Kaviyarasu A, Mitchell O, Reis W, Brothers T, Fischer D, Abella B, Greenwood J. Computed tomography assessment after out-of-hospital cardiac arrest resuscitation. Resuscitation Plus 2026, 29: 101346. PMID: 42125739, PMCID: PMC13158430, DOI: 10.1016/j.resplu.2026.101346.Peer-Reviewed Original ResearchComputed tomographyOut-of-hospital cardiac arrest resuscitationSpontaneous circulationUniversity of Pennsylvania Health SystemCardiac arrestRegistry studyAdult OHCA patientsCardiac arrest resuscitationEarly CT imagingComputed Tomography AssessmentDeep venous thrombosisStandard-of-careOHCA outcomesCare notesHealth systemOHCA patientsInjury ratesPulmonary infiltratesIV contrastCT findingsCT image dataFlail chestPulmonary contusionPulmonary embolismSternal fractures
2025
Oxygen Targets After Cardiac Arrest Is There Anything We Can Do?
Fischer D. Oxygen Targets After Cardiac Arrest Is There Anything We Can Do? Chest 2025, 168: 1076-1078. PMID: 41224447, DOI: 10.1016/j.chest.2025.04.030.Commentaries, Editorials and LettersCovert consciousness: what’s in a name?
Aubinet C, Claassen J, Edlow B, Fischer D, Gosseries O, Koch C, Kondziella D, Massimini M, Young M. Covert consciousness: what’s in a name? Brain 2025, 148: awaf349. PMID: 40985747, PMCID: PMC12677022, DOI: 10.1093/brain/awaf349.Peer-Reviewed Original ResearchPublisher Correction: A human brain network linked to restoration of consciousness after deep brain stimulation
Warren A, Raguž M, Friedrich H, Schaper F, Tasserie J, Snider S, Li J, Chua M, Butenko K, Friedrich M, Jha R, Iglesias J, Carney P, Fischer D, Fox M, Boes A, Edlow B, Horn A, Chudy D, Rolston J. Publisher Correction: A human brain network linked to restoration of consciousness after deep brain stimulation. Nature Communications 2025, 16: 7563. PMID: 40813586, PMCID: PMC12354782, DOI: 10.1038/s41467-025-63046-5.Commentaries, Editorials and LettersA human brain network linked to restoration of consciousness after deep brain stimulation
Warren A, Raguž M, Friedrich H, Schaper F, Tasserie J, Snider S, Li J, Chua M, Butenko K, Friedrich M, Jha R, Iglesias J, Carney P, Fischer D, Fox M, Boes A, Edlow B, Horn A, Chudy D, Rolston J. A human brain network linked to restoration of consciousness after deep brain stimulation. Nature Communications 2025, 16: 6721. PMID: 40691170, PMCID: PMC12279989, DOI: 10.1038/s41467-025-61988-4.Peer-Reviewed Original ResearchConceptsBrain networksDeep brain stimulationDisorders of consciousnessBrain stimulationPatterns of brain activityHuman brain networksBrain activityCentromedian-parafascicular complexElectric field modelParafascicular nucleusSevere impairmentGray matterStimulation targetBrainCentromedian nucleusStroke lesionsDisordersField modelPotential treatmentElectrode placementStriatumArousalConsciousnessHypothalamusImpaired consciousnessThe miracle dilemma: demystifying a common challenge in neuroprognostication
Fischer D, Kumar M, Levine J, Mendlik M, Narva A. The miracle dilemma: demystifying a common challenge in neuroprognostication. Brain 2025, 148: 3437-3440. PMID: 40644588, PMCID: PMC12493060, DOI: 10.1093/brain/awaf245.Commentaries, Editorials and LettersImplementation of a specialized neuroprognostication consultation program and associated provider attitudes: A survey-based study
Fischer D, Reyes-Esteves S, Law C, Ford A, Schwab P, Abella B, Schneider A, Kumar M. Implementation of a specialized neuroprognostication consultation program and associated provider attitudes: A survey-based study. Resuscitation Plus 2025, 23: 100932. PMID: 40235930, PMCID: PMC11999623, DOI: 10.1016/j.resplu.2025.100932.Peer-Reviewed Original ResearchCritical care providersProvider attitudesCare providersCardiac arrestSurvey assessing perceptionsLongitudinal careSurvey-based studyClinical guidelinesDisseminated surveysNovel programFisher's exact testConsultation programProvidersDisorders of consciousnessClinical practiceFavorable attitudesExact testSatisfactionContemporary controlsNeuroprognosticationNeurologistsProgramAttitudesRespondentsHistorical controlsAn ethical framework to assess covert consciousness
Young M, Koch C, Claassen J, Fischer D, Aubinet C, Gosseries O, Kondziella D, Rosanova M, Sarasso S, Casarotto S, Massimini M, Edlow B. An ethical framework to assess covert consciousness. The Lancet Neurology 2025, 24: 195-196. PMID: 39986307, PMCID: PMC13131029, DOI: 10.1016/s1474-4422(24)00432-0.Peer-Reviewed Original ResearchReconstructing Covert Consciousness
Fischer D, Edlow B, Freeman H, Alaiev D, Wu Q, Ware J, Detre J, Aguirre G. Reconstructing Covert Consciousness. Neurology 2025, 104: e210208. PMID: 39883908, PMCID: PMC11781786, DOI: 10.1212/wnl.0000000000210208.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCovert consciousnessNeural decodingConscious assessmentCognitive motor dissociationFunctional neuroanatomyDisorders of consciousnessBrain activitySemantic decodingLevel of consciousnessConscious experienceMotor dissociationExperience—isBrain injuryDecodingPatient behaviorBrainEnhanced granularityImperfect assumptionsGoogle Scholar databasesUnresponsive patientsFMRIConsciousnessPatients
2024
Clinical Implementation of fMRI and EEG to Detect Cognitive Motor Dissociation
Bodien Y, Fecchio M, Freeman H, Sanders W, Meydan A, Lawrence P, Kirsch J, Fischer D, Cohen J, Rubin E, He J, Schaefer P, Hochberg L, Rapalino O, Cash S, Young M, Edlow B. Clinical Implementation of fMRI and EEG to Detect Cognitive Motor Dissociation. Neurology Clinical Practice 2024, 15: e200390. PMID: 39473967, PMCID: PMC11515113, DOI: 10.1212/cpj.0000000000200390.Peer-Reviewed Original ResearchCognitive motor dissociationTask-based functional MRIMotor dissociationLanguage functionEvidence-based guidelinesBehavioral evidenceFunctional MRIEEG assessmentClinical careBrain injuryEvidence baseClinical assessmentPatient selectionClinical implementationPatientsReports lessonsEEGFMRIUnited StatesEffective strategyAssessmentEthical implicationsCareBrain