2021
The Initial Step Towards Establishing a Quantitative, Magnetic Resonance Imaging-Based Framework for Response Assessment of Spinal Metastases After Stereotactic Body Radiation Therapy
Maralani P, Tseng CL, Baharjoo H, Wong E, Kapadia A, Dasgupta A, Howard P, Chan AKM, Atenafu EG, Lu H, Tyrrell P, Das S, Payabvash S, Detsky J, Husain Z, Myrehaug S, Soliman H, Chen H, Heyn C, Symons S, Sahgal A. The Initial Step Towards Establishing a Quantitative, Magnetic Resonance Imaging-Based Framework for Response Assessment of Spinal Metastases After Stereotactic Body Radiation Therapy. Neurosurgery 2021, 89: 884-891. PMID: 34392364, PMCID: PMC8645191, DOI: 10.1093/neuros/nyab310.Peer-Reviewed Original ResearchConceptsProgression-free survivalStereotactic body radiation therapyGross tumor volumeBody radiation therapySpinal metastasesLarge tumorsRadiation therapySmaller gross tumor volumePercentage volume changeMagnetic resonance imagingYouden's J indexGood associationJ indexGTV changesMedical recordsMedium tumorsSmall tumorsTumor volumeResponse assessmentSpinal segmentsResonance imagingTumorsLocal failureCharacteristic curveTertileEarly head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy?
Beekman R, Maciel CB, Ormseth CH, Zhou SE, Galluzzo D, Miyares LC, Torres-Lopez VM, Payabvash S, Mak A, Greer DM, Gilmore EJ. Early head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy? Resuscitation 2021, 165: 68-76. PMID: 34147572, DOI: 10.1016/j.resuscitation.2021.06.004.Peer-Reviewed Original ResearchConceptsGray-white matter ratioHCT findingsArrest patientsInter-rater reliabilityPost-cardiac arrest patientsTertiary care academic medical centerEarly head CTPost-CA carePost-CA patientsCardiac arrest patientsHalf of casesAcademic medical centerElectronic medical recordsWithdrawal of lifeNeurophysiologic testingSpontaneous circulationInjury burdenMedical recordsHead CTTherapeutic decisionsMedical CenterPatientsNeurointensivistsHctTemperature management
2007
Comparison of magnetic resonance urography with ultrasound studies in detection of fetal urogenital anomalies
Kajbafzadeh AM, Payabvash S, Sadeghi Z, Elmi A, Jamal A, Hantoshzadeh Z, Eslami L, Mehdizadeh M. Comparison of magnetic resonance urography with ultrasound studies in detection of fetal urogenital anomalies. Journal Of Pediatric Urology 2007, 4: 32-39. PMID: 18631889, DOI: 10.1016/j.jpurol.2007.07.005.Peer-Reviewed Original ResearchConceptsMagnetic resonance urographyUrogenital anomaliesUltrasound studyT2-weighted sequencesUltrasound findingsHigh-resolution T2-weighted sequencesInconclusive ultrasound findingsMean gestational ageMulticystic dysplastic kidneyPosterior urethral valvesUrinary tract disordersUreteropelvic junction obstructionOverall diagnostic sensitivityT1-weighted sequencesUrethral valvesDysplastic kidneyGestational ageMesenteric cystTract disordersFinal diagnosisJunction obstructionDefinite diagnosisMedical recordsUreteral anatomyPrenatal ultrasonography