2023
COVID-19 bacteremic co-infection is a major risk factor for mortality, ICU admission, and mechanical ventilation
Patton M, Orihuela C, Harrod K, Bhuiyan M, Dominic P, Kevil C, Fort D, Liu V, Farhat M, Koff J, Lal C, Gaggar A, Richter R, Erdmann N, Might M, Gaggar A. COVID-19 bacteremic co-infection is a major risk factor for mortality, ICU admission, and mechanical ventilation. Critical Care 2023, 27: 34. PMID: 36691080, PMCID: PMC9868503, DOI: 10.1186/s13054-023-04312-0.Peer-Reviewed Original ResearchConceptsBacterial co-infectionNeutrophil-to-lymphocyte ratioIn-hospital mortalityMechanical ventilationICU admissionCo-infectionRisk factorsSARS-CoV-2 variantsCohort studyIncreased riskPrimary outcomeIncreased risk of in-hospital mortalityRisk of in-hospital mortalityCommunity-acquired bacteremiaCulture-positive resultsRetrospective cohort studySingle-center reportsInpatient encountersMultivariate logistic regressionBlood culturesPrognostic indicatorOmicron SARS-CoV-2 variantComparison cohortOdds ratioSevere disease
2020
Multi-dimensional clinical phenotyping of a national cohort of adult cystic fibrosis patients
Conrad D, Billings J, Teneback C, Koff J, Rosenbluth D, Bailey B, Jain R. Multi-dimensional clinical phenotyping of a national cohort of adult cystic fibrosis patients. Journal Of Cystic Fibrosis 2020, 20: 91-96. PMID: 32948498, DOI: 10.1016/j.jcf.2020.08.010.Peer-Reviewed Original ResearchConceptsCystic fibrosis transmembrane conductance regulatorCF patientsCystic fibrosisClinical phenotypeChronic P. aeruginosa infectionDistal intestinal obstruction syndromeAdult cystic fibrosis patientsPseudomonas aeruginosa colonizationUS CF centersAdult CF patientsIntestinal obstruction syndromeTransmembrane conductance regulatorHigh-risk phenotypeWell-nourished groupCholestatic liver diseaseGroup of patientsCystic fibrosis patientsRates of pancreatic insufficiencyMulti-system disorderPancreatic malabsorptionObstruction syndromeChronic sinusitisConductance regulatorPancreatic insufficiencyCF centers
2012
Rhinovirus and other respiratory viruses exert different effects on lung allograft function that are not mediated through acute rejection
Sayah DM, Koff JL, Leard LE, Hays SR, Golden JA, Singer JP. Rhinovirus and other respiratory viruses exert different effects on lung allograft function that are not mediated through acute rejection. Clinical Transplantation 2012, 27: e64-e71. PMID: 23278569, PMCID: PMC3558613, DOI: 10.1111/ctr.12054.Peer-Reviewed Original ResearchConceptsLung transplant recipientsAcute rejectionAllograft functionCARV infectionBiopsy-proven acute rejectionIncidence of ARLung allograft functionTransbronchial biopsy resultsReference groupChronic allograft rejectionRespiratory virus infectionsAllograft dysfunctionLung allograftsTransplant recipientsAllograft rejectionExpiratory volumePrimary outcomeRespiratory virusesAdverse outcomesClinical recordsRV infectionBaseline incidenceBiopsy resultsMonths postinfectionVirus infection
2006
Case Report: A Case of Wood-Smoke–Related Pulmonary Disease
Diaz J, Koff J, Gotway M, Nishimura S, Balmes J. Case Report: A Case of Wood-Smoke–Related Pulmonary Disease. Environmental Health Perspectives 2006, 114: 759-762. PMID: 16675433, PMCID: PMC1459932, DOI: 10.1289/ehp.8489.Peer-Reviewed Original ResearchConceptsPulmonary diseaseThickened bronchovascular bundlesThoracic computed tomographyChronic productive coughChronic obstructive pulmonary diseaseObstructive pulmonary diseaseHealth care providersBiomass smokeExposure to biomass smokeLung biopsyProductive coughBronchovascular bundlesPulmonary nodulesLung cancerPulmonary clinicClinical progressionCarbon-laden macrophagesRespiratory manifestationsBlack plaqueHistopathological abnormalitiesFibrotic scarLung parenchymaMild symptomsAmount of smokingCare providers