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
Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus
Hehnly C, Shi A, Ssentongo P, Zhang L, Isaacs A, Morton S, Streck N, Erdmann-Gilmore P, Tolstoy I, Townsend R, Limbrick D, Paulson J, Ericson J, Galperin M, Schiff S, Broach J. Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus. MBio 2022, 13: e02688-22. PMID: 36374038, PMCID: PMC9765702, DOI: 10.1128/mbio.02688-22.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusClinical isolatesVirulence factorsCritical virulence factorPotential virulence factorsPoor long-term outcomesPrevention of hydrocephalusLong-term outcomesBacterial pathogensDevastating sequelaeNeonatal sepsisMiddle-income countriesNeonatal infectionSurgical interventionReference strainsNovel bacterial pathogensAfrican cohortBeta-lactamase genesChildhood mortalityHydrocephalusTherapeutic targetInfectionVirulent strainDevastating diseaseWhole-genome sequencing
2020
Paenibacillus 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
2018
Economic burden of neonatal sepsis in sub-Saharan Africa
Ranjeva S, Warf B, Schiff S. Economic burden of neonatal sepsis in sub-Saharan Africa. BMJ Global Health 2018, 3: e000347. PMID: 29564153, PMCID: PMC5859806, DOI: 10.1136/bmjgh-2017-000347.Peer-Reviewed Original ResearchDisability-adjusted life yearsNeonatal sepsisEconomic burdenSuccessful treatmentAnnual economic burdenAnnual neonatal deathsYears of ageThird Sustainable Development GoalGlobal health agenciesNeonatal infectionNeonatal deathNeonatal mortalityDisease burdenPreventable deathsSepsisChild healthMortality ratePrevention strategiesLife yearsMedical literatureHealth agenciesBurdenPublic healthMortalityIncidence
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
Five-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