2024
Ultrasound Evaluation of the Abdominal Aorta and Mesenteric Arteries
Gunabushanam G, Robbin M, Scoutt L. Ultrasound Evaluation of the Abdominal Aorta and Mesenteric Arteries. Radiologic Clinics Of North America 2024, 63: 123-135. PMID: 39510656, DOI: 10.1016/j.rcl.2024.07.009.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsDoppler Ultrasound of the Renal Vasculature
Gunabushanam G, Chaubal R, Scoutt L. Doppler Ultrasound of the Renal Vasculature. Journal Of Ultrasound In Medicine 2024, 43: 1543-1562. PMID: 38654477, DOI: 10.1002/jum.16466.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsRenal artery stent placementFirst-line imaging modalityUnexplained renal dysfunctionArtery stent placementSuspected renovascular diseaseUltrasound imaging findingsRenal dysfunctionStent placementRenovascular hypertensionImaging findingsRenovascular diseaseRenal vesselsRenal arteryRenal vasculatureDoppler ultrasoundAtherosclerotic stenosisImaging modalitiesUltrasound
2023
Deferral of Estimated Glomerular Filtration Rate Testing Before Contrast-Enhanced CT in Low-Risk Emergency Department Patients: Assessment of Safety and Impact on Throughput
Gunabushanam G, Asch D, van Luling J, Kuehne A, Alkukhun A, Staib L, Venkatesh A, Pahade J. Deferral of Estimated Glomerular Filtration Rate Testing Before Contrast-Enhanced CT in Low-Risk Emergency Department Patients: Assessment of Safety and Impact on Throughput. Journal Of The American College Of Radiology 2023, 21: 52-60. PMID: 37939813, DOI: 10.1016/j.jacr.2023.11.003.Peer-Reviewed Original ResearchAcute kidney injuryChronic kidney diseaseContrast-enhanced CTLower riskED providersMedian OSEGFR testingContrast-induced acute kidney injuryLow-risk emergency department patientsLow-risk ED patientsProportion of patientsEmergency department patientsClinical risk assessmentGlomerular filtration rate testingAssessment of safetyChronic dialysisKidney injuryDepartment patientsED patientsEGFR valuesKidney diseaseRisk factorsPatientsCECT studiesRiskPerfluorobutane-enhanced US Helps Differentiate Benign Lymph Nodes from Papillary Thyroid Cancer Metastases.
Gunabushanam G. Perfluorobutane-enhanced US Helps Differentiate Benign Lymph Nodes from Papillary Thyroid Cancer Metastases. Radiology 2023, 307: e230581. PMID: 37014247, DOI: 10.1148/radiol.230581.Commentaries, Editorials and LettersPitfalls in Carotid Doppler Interpretation and How to Avoid Them
Gunabushanam G, Kent R, Scoutt L. Pitfalls in Carotid Doppler Interpretation and How to Avoid Them. Journal Of Ultrasound In Medicine 2023, 42: 1907-1921. PMID: 36896465, DOI: 10.1002/jum.16218.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsUltrasound Evaluation of Chronic Venous Insufficiency
Zalaquett E, Gunabushanam G, Vallejos A, Dahiya N. Ultrasound Evaluation of Chronic Venous Insufficiency. Ultrasound Quarterly 2023, 39: 2-9. PMID: 36651650, DOI: 10.1097/ruq.0000000000000634.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsChronic venous insufficiencyVenous insufficiencyVenous systemLower extremity venous systemDeep venous systemExtent of refluxPreferred imaging modalityMild painValvular incompetenceVenous ulcersClinical presentationUltrasound evaluationVaricose veinsAppropriate treatmentRadiation-free mannerCommon conditionDoppler ultrasoundImaging modalitiesScanning protocolInsufficiencyRelevant findingsPainEdemaUlcersActionable reports
2021
Ultrasound Image Optimization for the Interventional Radiologist
Gunabushanam G, Scoutt LM. Ultrasound Image Optimization for the Interventional Radiologist. Techniques In Vascular And Interventional Radiology 2021, 24: 100766. PMID: 34861965, DOI: 10.1016/j.tvir.2021.100766.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2019
Carotid Ultrasound
Scoutt LM, Gunabushanam G. Carotid Ultrasound. Radiologic Clinics Of North America 2019, 57: 501-518. PMID: 30928074, DOI: 10.1016/j.rcl.2019.01.008.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsDoppler ultrasoundExtracranial internal carotid artery stenosisInternal carotid artery stenosisEpidemiology of strokeSurveillance of patientsCarotid artery stenosisImaging modalitiesPrimary noninvasive imaging modalityPrimary imaging modalityNoninvasive imaging modalityStroke riskArtery stenosisCarotid interventionNormal findingsCarotid ultrasoundStent placementSurrogate markerCarotid plaquesCarotid arteryUS examinationUS criteriaUltrasoundStenosisInterventionModalitiesVertebral Artery Ultrasound
Gunabushanam G, Kummant L, Scoutt LM. Vertebral Artery Ultrasound. Radiologic Clinics Of North America 2019, 57: 519-533. PMID: 30928075, DOI: 10.1016/j.rcl.2019.01.011.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsVertebral artery stenosisVertebral arteryArtery stenosisVertebral artery waveformsExtracranial vertebral arterySpectral Doppler waveformsArteriovenous fistulaStent placementDifferential diagnosisDoppler waveformsUltrasound appearanceUltrasound criteriaPathologic processesNormal anatomyArteryStenosisUltrasound imagingPseudoaneurysmFistula
2005
Skeletal metastases from recurrent paraganglioma of the urinary bladder.
Goyal S, Puri T, Gunabushanam G, Das A, Julka P. Skeletal metastases from recurrent paraganglioma of the urinary bladder. Indian Journal Of Urology 2005, 21: 122-124. DOI: 10.4103/0970-1591.19637.Peer-Reviewed Case Reports and Technical NotesUrinary bladderRecurrent paragangliomaPatient's general conditionYears male patientPalliative chemotherapySurgical resectionSystemic treatmentAggressive courseMale patientsSkeletal metastasesVertebral metastasesRegional nodesGeneral conditionParagangliomaBladderDistant sitesPatientsMetastasisResectionChemotherapyCarboplatinZoledronateRadiotherapyEtoposideDisease