2024
Paediatric hydrocephalus
Kahle K, Klinge P, Koschnitzky J, Kulkarni A, MacAulay N, Robinson S, Schiff S, Strahle J. Paediatric hydrocephalus. Nature Reviews Disease Primers 2024, 10: 35. PMID: 38755194, DOI: 10.1038/s41572-024-00519-9.Peer-Reviewed Original ResearchConceptsSymptoms of elevated intracranial pressureCerebrospinal fluidCentral nervous system infectionChoroid plexus cauterizationEndoscopic third ventriculostomyNervous system infectionNonsurgical treatment strategiesElevated intracranial pressureLong-term outcomesNeural tube defectsCSF-brain interfaceFetal hydrocephalusUtero treatmentAcquired hydrocephalusCSF secretionSurgical closureCSF shuntingHead circumferenceThird ventriculostomyCongenital hydrocephalusAssociated with blockageGene mutationsCerebral ventricleTreatment strategiesCSF pathways
2023
Paenibacillus spp infection among infants with postinfectious hydrocephalus in Uganda: an observational case-control study
Morton S, Hehnly C, Burgoine K, Ssentongo P, Ericson J, Kumar M, Hagmann C, Fronterre C, Smith J, Movassagh M, Streck N, Bebell L, Bazira J, Kumbakumba E, Bajunirwe F, Mulondo R, Mbabazi-Kabachelor E, Nsubuga B, Natukwatsa D, Nalule E, Magombe J, Erickson T, Ngonzi J, Ochora M, Olupot-Olupot P, Onen J, Ssenyonga P, Mugamba J, Warf B, Kulkarni A, Lane J, Whalen A, Zhang L, Sheldon K, Meier F, Kiwanuka J, Broach J, Paulson J, Schiff S. Paenibacillus spp infection among infants with postinfectious hydrocephalus in Uganda: an observational case-control study. The Lancet Microbe 2023, 4: e601-e611. PMID: 37348522, PMCID: PMC10529524, DOI: 10.1016/s2666-5247(23)00106-4.Peer-Reviewed Original ResearchConceptsMother-newborn pairsPostinfectious hydrocephalusCerebrospinal fluidNeonatal sepsisSpp infectionUgandan infantsMaternal bloodObservational case-control studyHospital OfficeInfant's cerebrospinal fluidBurden of morbidityCase-control studyRoute of infectionSubset of participantsMaternal feverCranial ultrasoundNeonatal infectionSepsis cohortOptimise treatmentTransplacental transmissionCord bloodObservational studyPlacental samplesSepsisHydrocephalus
2022
Cytomegalovirus infections in infants in Uganda: Newborn-mother pairs, neonates with sepsis, and infants with hydrocephalus
Hehnly C, Ssentongo P, Bebell L, Burgoine K, Bazira J, Fronterre C, Kumbakumba E, Mulondo R, Mbabazi-Kabachelor E, Morton S, Ngonzi J, Ochora M, Olupot-Olupot P, Mugamba J, Onen J, Roberts D, Sheldon K, Sinnar S, Smith J, Ssenyonga P, Kiwanuka J, Paulson J, Meier F, Ericson J, Broach J, Schiff S. Cytomegalovirus infections in infants in Uganda: Newborn-mother pairs, neonates with sepsis, and infants with hydrocephalus. International Journal Of Infectious Diseases 2022, 118: 24-33. PMID: 35150915, PMCID: PMC9058984, DOI: 10.1016/j.ijid.2022.02.005.Peer-Reviewed Original ResearchConceptsNewborn-mother pairsCMV prevalenceClinical sepsisCytomegalovirus infectionCerebrospinal fluidPrevalence of CMVQuantitative PCRCMV positivityPostinfectious hydrocephalusVaginal sheddingCMV infectionHIV seropositivityNeonatal ageMaternal ageMaternal vaginalRisk factorsMedical CenterLong-term consequencesMother pairsSepsisNeonatesInfantsPrevalenceHydrocephalusCMV
2021
Preoperative risk and postoperative outcome from subdural fluid collections in African infants with postinfectious hydrocephalus.
Lane J, Ssentongo P, Peterson M, Harper J, Mbabazi-Kabachelor E, Mugamba J, Ssenyonga P, Onen J, Donnelly R, Levenbach J, Cherukuri V, Monga V, Kulkarni A, Warf B, Schiff S. Preoperative risk and postoperative outcome from subdural fluid collections in African infants with postinfectious hydrocephalus. Journal Of Neurosurgery Pediatrics 2021, 29: 31-39. PMID: 34598146, PMCID: PMC9078082, DOI: 10.3171/2021.7.peds21209.Peer-Reviewed Original ResearchNormal childhood brain growth and a universal sex and anthropomorphic relationship to cerebrospinal fluid
Peterson M, Cherukuri V, Paulson J, Ssentongo P, Kulkarni A, Warf B, Monga V, Schiff S. Normal childhood brain growth and a universal sex and anthropomorphic relationship to cerebrospinal fluid. Journal Of Neurosurgery Pediatrics 2021, 28: 458-468. PMID: 34243147, PMCID: PMC8594737, DOI: 10.3171/2021.2.peds201006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlgorithmsAnalysis of VarianceAnthropometryBody WeightBrainCerebrospinal FluidChildChild DevelopmentChild, PreschoolCohort StudiesFemaleFunctional LateralityHumansHydrocephalusInfantInfant, NewbornMagnetic Resonance ImagingMaleOrgan SizePopulationReference StandardsSex CharacteristicsConceptsBrain growthBrain volumeFluid accumulationRatio of brainHealthy pediatric subjectsTotal brain volumeAge 18 yearsYears of ageRegional brain volumesNormal brain growthAge-dependent relationshipCSF accumulationPediatric subjectsChildhood diseasesCerebrospinal fluidCSF volumeCongenital disorderVolume trajectoriesEarly childhoodNormative growth curvesNumerous conditionsSexMagnetic resonanceBrain sizeGlobal, regional and national epidemiology and prevalence of child stunting, wasting and underweight in low- and middle-income countries, 2006–2018
Ssentongo P, Ssentongo A, Ba D, Ericson J, Na M, Gao X, Fronterre C, Chinchilli V, Schiff S. Global, regional and national epidemiology and prevalence of child stunting, wasting and underweight in low- and middle-income countries, 2006–2018. Scientific Reports 2021, 11: 5204. PMID: 33664313, PMCID: PMC7933191, DOI: 10.1038/s41598-021-84302-w.Peer-Reviewed Original Research
2020
The Problem of Microbial Dark Matter in Neonatal Sepsis - Volume 26, Number 11—November 2020 - Emerging Infectious Diseases journal - CDC
Sinnar S, Schiff S. The Problem of Microbial Dark Matter in Neonatal Sepsis - Volume 26, Number 11—November 2020 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2020, 26: 2543-2548. PMID: 33080169, PMCID: PMC7588532, DOI: 10.3201/eid2611.200004.Peer-Reviewed Original ResearchConceptsNeonatal sepsisCausative pathogenInfectious Diseases journal - CDCCulture recovery ratesAntimicrobial therapyBlood culturesTimely diagnosisAntimicrobial stewardshipWorldwide deathsMost blood culturesUnidentified pathogensTransmission patternsDeathPathogen discoveryWhole metagenomic sequencingPathogensEffective diagnosticsMetagenomic sequencingSepsisPatientsInfantsTherapyDiagnosisRecovery ratePaenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants
Paulson J, Williams B, Hehnly C, Mishra N, Sinnar S, Zhang L, Ssentongo P, Mbabazi-Kabachelor E, Wijetunge D, von Bredow B, Mulondo R, Kiwanuka J, Bajunirwe F, Bazira J, Bebell L, Burgoine K, Couto-Rodriguez M, Ericson J, Erickson T, Ferrari M, Gladstone M, Guo C, Haran M, Hornig M, Isaacs A, Kaaya B, Kangere S, Kulkarni A, Kumbakumba E, Li X, Limbrick D, Magombe J, Morton S, Mugamba J, Ng J, Olupot-Olupot P, Onen J, Peterson M, Roy F, Sheldon K, Townsend R, Weeks A, Whalen A, Quackenbush J, Ssenyonga P, Galperin M, Almeida M, Atkins H, Warf B, Lipkin W, Broach J, Schiff S. Paenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants. Science Translational Medicine 2020, 12 PMID: 32998967, PMCID: PMC7774825, DOI: 10.1126/scitranslmed.aba0565.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusCSF samplesPIH casesPotential causative organismsCerebrospinal fluid accumulationCytomegalovirus coinfectionUgandan infantsNeonatal sepsisSurgical palliationNeonatal infectionInfant casesOptimal treatmentInfant cohortCommon causeCausative organismPediatric hydrocephalusFluid accumulationHydrocephalusAnaerobic bacterial isolatesControl casesInfectionFacultative anaerobic bacterial isolatesInfantsParasitic DNADisease
2019
The Incidence of Postoperative Seizures Following Treatment of Postinfectious Hydrocephalus in Ugandan Infants: A Post Hoc Comparison of Endoscopic Treatment vs Shunt Placement in a Randomized Controlled Trial.
Punchak M, Mbabazi Kabachelor E, Ogwal M, Nalule E, Nalwoga J, Ssenyonga P, Mugamba J, Rattani A, Dewan M, Kulkarni A, Schiff S, Warf B. The Incidence of Postoperative Seizures Following Treatment of Postinfectious Hydrocephalus in Ugandan Infants: A Post Hoc Comparison of Endoscopic Treatment vs Shunt Placement in a Randomized Controlled Trial. Neurosurgery 2019, 85: e714-e721. PMID: 31086941, PMCID: PMC7534394, DOI: 10.1093/neuros/nyz122.Peer-Reviewed Original ResearchConceptsChoroid plexus cauterizationETV/CPCPostoperative seizure incidencePostinfectious hydrocephalusSeizure incidenceEndoscopic third ventriculostomyUgandan infantsShunt placementMantel-Haenszel hazard ratiosKaplan-Meier methodVentriculoperitoneal shunt placementPostoperative epilepsyPostoperative seizuresPreoperative symptomsEpilepsy incidenceFirst seizureHazard ratioControlled TrialsEndoscopic treatmentThird ventriculostomyTreatment modalitiesSeizure riskHead circumferenceRelative riskSeizure onset
2018
Design of a sustainable prepolarizing magnetic resonance imaging system for infant hydrocephalus
Obungoloch J, Harper J, Consevage S, Savukov I, Neuberger T, Tadigadapa S, Schiff S. Design of a sustainable prepolarizing magnetic resonance imaging system for infant hydrocephalus. Magnetic Resonance Materials In Physics, Biology And Medicine 2018, 31: 665-676. PMID: 29644479, PMCID: PMC6135672, DOI: 10.1007/s10334-018-0683-y.Peer-Reviewed Original ResearchConceptsLow power requirementsSpatial resolutionLF-MRIModest spatial resolutionMagnetic resonance imaging systemPower requirementsCoil systemImage spatial resolutionUnshielded environmentGradient fieldResonance imaging systemLow costDeployment potentialEnergy supplySpecific applicationsUnshielded roomImaging systemLow-field magnetic resonance imagingNormative human brain volume growth.
Peterson M, Warf B, Schiff S. Normative human brain volume growth. Journal Of Neurosurgery Pediatrics 2018, 21: 478-485. PMID: 29498607, PMCID: PMC6212293, DOI: 10.3171/2017.10.peds17141.Peer-Reviewed Original ResearchConceptsStatistical measuresPower lawNonlinear least-squares regression algorithmGood statistical resultsLeast squares regression algorithmCurve fitCandidate modelsCorresponding statisticsAppropriate statistical measuresFit parametersStatistical resultsRegression algorithmWeibull fitWeibull modelNormative MRI dataPotential modelFitVolume growthGompertz modelBest modelModelModel curve fitWeibullLawStatistics
2017
Endoscopic Treatment versus Shunting for Infant Hydrocephalus in Uganda
Kulkarni A, Schiff S, Mbabazi-Kabachelor E, Mugamba J, Ssenyonga P, Donnelly R, Levenbach J, Monga V, Peterson M, MacDonald M, Cherukuri V, Warf B. Endoscopic Treatment versus Shunting for Infant Hydrocephalus in Uganda. New England Journal Of Medicine 2017, 377: 2456-2464. PMID: 29262276, PMCID: PMC5784827, DOI: 10.1056/nejmoa1707568.Peer-Reviewed Original ResearchConceptsETV-CPCPostinfectious hydrocephalusUgandan infantsTreatment failureCognitive outcomesBrain volumeSingle-center studyEndoscopic third ventriculostomyChoroid plexus cauterizationMajor health problemSignificant differencesLanguage scoresSecondary outcomesEndoscopic treatmentPrimary outcomeVentricular sizeThird ventriculostomyInfant hydrocephalusComputed tomographyTreatment groupsAlternative treatmentLate failureBayley ScalesBrain growthConventional treatmentLearning Based Segmentation of CT Brain Images: Application to Postoperative Hydrocephalic Scans
Cherukuri V, Ssenyonga P, Warf B, Kulkarni A, Monga V, Schiff S. Learning Based Segmentation of CT Brain Images: Application to Postoperative Hydrocephalic Scans. IEEE Transactions On Biomedical Engineering 2017, 65: 1871-1884. PMID: 29989926, PMCID: PMC6062853, DOI: 10.1109/tbme.2017.2783305.Peer-Reviewed Original Research
2014
Volumetric brain analysis in neurosurgery: Part 1. Particle filter segmentation of brain and cerebrospinal fluid growth dynamics from MRI and CT images.
Mandell J, Langelaan J, Webb A, Schiff S. Volumetric brain analysis in neurosurgery: Part 1. Particle filter segmentation of brain and cerebrospinal fluid growth dynamics from MRI and CT images. Journal Of Neurosurgery Pediatrics 2014, 15: 113-24. PMID: 25431902, DOI: 10.3171/2014.9.peds12426.Peer-Reviewed Original ResearchConceptsEdge trackerParticle filterGround vehicle navigationBrain image analysisCT imagesMRI data setsImage segmentationSegmentation algorithmAutonomous airVehicle navigationAccurate edgesNovel algorithmManual segmentationSegmentationMR imagesBrain dataVolumetric brain analysisData setsImage analysisSemiautomatic methodImagesModality independenceHistorical dataAlgorithmMRI dataVolumetric brain analysis in neurosurgery: Part 2. Brain and CSF volumes discriminate neurocognitive outcomes in hydrocephalus.
Mandell J, Kulkarni A, Warf B, Schiff S. Volumetric brain analysis in neurosurgery: Part 2. Brain and CSF volumes discriminate neurocognitive outcomes in hydrocephalus. Journal Of Neurosurgery Pediatrics 2014, 15: 125-32. PMID: 25431901, DOI: 10.3171/2014.9.peds12427.Peer-Reviewed Original ResearchConceptsFrontal-occipital horn ratioNeurocognitive outcomesBrain volumeCSF volumeFluid volumePediatric patientsBrain developmentEvaluation of hydrocephalusGoal of treatmentSmaller brain volumesLower cognitive outcomesPoor neurocognitive outcomesNormal brain developmentLarge fluid volumesHealthy brain developmentVolumetric brain analysisSurgical treatmentVentricular sizeHydrocephalic patientsCT scanHydrocephalusPatientsBayley ScalesBrain growthFine motorVolumetric brain analysis in neurosurgery: Part 3. Volumetric CT analysis as a predictor of seizure outcome following temporal lobectomy.
Mandell J, Hill K, Nguyen D, Moser K, Harbaugh R, McInerney J, Nsubuga B, Mugamba J, Johnson D, Warf B, Boling W, Webb A, Schiff S. Volumetric brain analysis in neurosurgery: Part 3. Volumetric CT analysis as a predictor of seizure outcome following temporal lobectomy. Journal Of Neurosurgery Pediatrics 2014, 15: 133-43. PMID: 25431899, DOI: 10.3171/2014.9.peds12428.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnterior Temporal LobectomyBrainCerebrospinal FluidChildChild, PreschoolCognitionCone-Beam Computed TomographyEpilepsy, Temporal LobeFemaleFrontal LobeHumansHydrocephalusInfantMagnetic Resonance ImagingMaleNeurosurgical ProceduresOccipital LobeOrgan SizePredictive Value of TestsSeizuresTreatment OutcomeUgandaConceptsTemporal lobe volumeMesial temporal sclerosisTemporal lobe epilepsyTemporal lobe resectionSeizure outcomeTemporal lobeVolumetric CT analysisBrain volumeLobe volumeSeizure controlStructural MRILobe resectionEngel class Ia outcomeClass Ia outcomeSelection of patientsCT volumetric analysisPreoperative CT scanSmaller brain volumesSmaller temporal lobeCURE Children's HospitalIncomplete seizure controlNormalized brain volumeWhole brain volumeCT analysisTemporal lobe structures
2013
The Microbial Spectrum of Neonatal Sepsis in Uganda: Recovery of Culturable Bacteria in Mother-Infant Pairs
Kiwanuka J, Bazira J, Mwanga J, Tumusiime D, Nyesigire E, Lwanga N, Warf B, Kapur V, Poss M, Schiff S. The Microbial Spectrum of Neonatal Sepsis in Uganda: Recovery of Culturable Bacteria in Mother-Infant Pairs. PLOS ONE 2013, 8: e72775. PMID: 24013829, PMCID: PMC3754959, DOI: 10.1371/journal.pone.0072775.Peer-Reviewed Original ResearchConceptsNeonatal sepsisMother-infant pairsVaginal specimensConsecutive mother-infant pairsMicrobial spectrumSeptic newborn infantsCerebrospinal fluid culturesBacterial culture techniquesSensitive molecular approachesClinical criteriaNewborn infantsPutative causative agentFluid cultureInfant bloodMaternal bloodSepsisCerebrospinal fluidSpinal fluidInfantsBloodCausative agentMaternal transmissionEnvironmental sourcesIdentifiable bacteriaCulture techniques
2012
Rainfall drives hydrocephalus in East Africa.
Schiff S, Ranjeva S, Sauer T, Warf B. Rainfall drives hydrocephalus in East Africa. Journal Of Neurosurgery Pediatrics 2012, 10: 161-7. PMID: 22768966, DOI: 10.3171/2012.5.peds11557.Peer-Reviewed Original Research
2011
Costs and benefits of neurosurgical intervention for infant hydrocephalus in sub-Saharan Africa.
Warf B, Alkire B, Bhai S, Hughes C, Schiff S, Vincent J, Meara J. Costs and benefits of neurosurgical intervention for infant hydrocephalus in sub-Saharan Africa. Journal Of Neurosurgery Pediatrics 2011, 8: 509-21. PMID: 22044378, DOI: 10.3171/2011.8.peds11163.Peer-Reviewed Original ResearchConceptsBenefit-cost ratioDisability-adjusted life yearsHuman capital approachEconomic benefitsNeurosurgical interventionCapital approachCost/disability-adjusted life yearStatistical life approachFavorable benefit-cost ratioTotal economic benefitPotential economic impactMajor public health priorityEndoscopic third ventriculostomyBenefits of treatmentCases of hydrocephalusVSL approachPublic health priorityEconomic modelingCURE Children's HospitalTreatment of hydrocephalusEconomic impactLife yearsUntreated hydrocephalusRetrospective reviewShunt placementFive-year survival and outcome of treatment for postinfectious hydrocephalus in Ugandan infants.
Warf B, Dagi A, Kaaya B, Schiff S. Five-year survival and outcome of treatment for postinfectious hydrocephalus in Ugandan infants. Journal Of Neurosurgery Pediatrics 2011, 8: 502-8. PMID: 22044377, DOI: 10.3171/2011.8.peds11221.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusFive-year survivalShunt placementPrimary brain injuryWorse functional outcomeKaplan-Meier methodLong-term outcomesLog-rank testOutcome of treatmentEndoscopic third ventriculostomyTreatment selection biasPublic health measuresOne-thirdUgandan infantsWorst sequelaeOperative mortalityNeonatal infectionFunctional outcomeThird ventriculostomyBrain injuryPrimary treatmentCommon causeInfant hydrocephalusSurvival advantageOriginal infection