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 detailsRobert McDonald, MD
Assistant Clinical ProfessorAbout
Research
Publications
2025
Evaluation of Spontaneous Intracranial Hypotension Probabilistic Brain MRI Scoring Systems in Normal Patients.
Kang C, Madhavan A, Benson J, Mark I, Johnson-Tesch B, McDonald R, Verdoorn J. Evaluation of Spontaneous Intracranial Hypotension Probabilistic Brain MRI Scoring Systems in Normal Patients. American Journal Of Neuroradiology 2025, 46: 1925-1930. PMID: 39979026, PMCID: PMC12453467, DOI: 10.3174/ajnr.a8713.Peer-Reviewed Original ResearchConceptsSpontaneous intracranial hypotensionMRI scoring systemCistern effacementScoring systemMayo scoreNormal patientsBoard-certified neuroradiologistsLow probability scoreRate of positivityCSF leakIntracranial hypotensionBrain saggingMRI findingsImaging findingsPatient cohortBrain MRIIntermediate probabilityPatientsBern scoreEffacementPositive rateMayoCohortMRICSF
2023
Acute Adverse Events After Iodinated Contrast Agent Administration of 359,977 Injections: A Single-Center Retrospective Study
McDonald J, Larson N, Schmitz J, Kolbe A, Hunt C, Hartman R, Hagan J, Kallmes D, McDonald R. Acute Adverse Events After Iodinated Contrast Agent Administration of 359,977 Injections: A Single-Center Retrospective Study. Mayo Clinic Proceedings 2023, 98: 1820-1830. PMID: 38043998, DOI: 10.1016/j.mayocp.2023.02.032.Peer-Reviewed Original ResearchConceptsNon-white patientsWhite patientsExamination variablesSingle-center retrospective studyHigh rateAcute adverse eventsEffect of patientAllergic-like reactionsPhysiologic reactionsComputed tomography examinationCT locationLogistic regression modelsContrast agent administrationICM allergyYounger patientsAdverse eventsPatient ageMultivariable analysisRetrospective studyUnique patientsAcute reactionsFemale sexPatient variablesTomography examinationCT examinationsAirway compromise following contrast extravasation from an external jugular intravenous line
McDonald J, Schmitz J, Mendes B, McDonald R. Airway compromise following contrast extravasation from an external jugular intravenous line. Radiology Case Reports 2023, 19: 58-61. PMID: 37886022, PMCID: PMC10598708, DOI: 10.1016/j.radcr.2023.09.078.Peer-Reviewed Original ResearchContrast extravasationIodinated Contrast MaterialAirway compromiseCase of airway compromiseRisk of contrast extravasationAlternative injection sitesVascular access siteComputed tomography examsRare caseContrast materialIncreased riskAntecubital fossaIntravenous injectionVascular accessIntravenous lineExtravasationInjection siteAccess siteComplicationsAdditional careIV lineInjection
2012
Genetic Loss Of MiRNA21 Leads To Exacerbation Of Hypoxia-Induced Pulmonary Arterial Hypertension
Baker A, Dempsie Y, Caruso P, McDonald R, Lu R, Southwood M, Upton P, van Rooij E, Morrell N, MacLean M. Genetic Loss Of MiRNA21 Leads To Exacerbation Of Hypoxia-Induced Pulmonary Arterial Hypertension. 2012, a6824-a6824. DOI: 10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a6824.Peer-Reviewed Original Research