1987
A study of respiratory effects from exposure to 2.0 ppm formaldehyde in occupationally exposed workers
Schachter E, Witek T, Brody D, Tosun T, Beck G, Leaderer B. A study of respiratory effects from exposure to 2.0 ppm formaldehyde in occupationally exposed workers. Environmental Research 1987, 44: 188-205. PMID: 3691441, DOI: 10.1016/s0013-9351(87)80227-x.Peer-Reviewed Original ResearchConceptsPeak expiratory flow rateLung functionLaboratory workersExposure daysHospital laboratory workersLower airway symptomsLung function changesHealthy laboratory workersExpiratory flow rateAirway symptomsObstructive changesAsthmatic individualsIrritative symptomsSymptom diaryExercise regimenAsthmatic symptomatologyMild exerciseRespiratory effectsPEFR recordingsFrequent complaintEye irritationMore occasionsSymptomsPpm formaldehydeUnusual odorAn evaluation of respiratory effects following exposure to 2.0 ppm formaldehyde in asthmatics: lung function, symptoms, and airway reactivity.
Witek T, Schachter E, Tosun T, Beck G, Leaderer B. An evaluation of respiratory effects following exposure to 2.0 ppm formaldehyde in asthmatics: lung function, symptoms, and airway reactivity. Archives Of Environmental & Occupational Health 1987, 42: 230-7. PMID: 3310924.Peer-Reviewed Original ResearchConceptsMethacholine inhalation challenge testFlow-volume parametersInhalation challenge testSignificant airway obstructionAirway reactivityAirway obstructionAirway responsesAsthmatic volunteersLung functionSore throatAirway resistanceMethacholine concentrationModerate exerciseRespiratory effectsFormaldehyde exposurePpm exposureChallenge testSeparate daysEye irritationMedian decrementAsthmaticsSymptomsExposurePpm formaldehydeDegrees C
1986
A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects
Schachter E, Witek T, Tosun T, Leaderer B, Beck G. A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects. Archives Of Environmental & Occupational Health 1986, 41: 229-239. PMID: 3767432, DOI: 10.1080/00039896.1986.9938338.Peer-Reviewed Original ResearchConceptsHealthy subjectsUpper airwaySeparate daysMaximal flow-volume curvesLower airway symptomsFlow-volume curvesAirway responsesAirway symptomsPulmonary functionRespiratory symptomsSignificant bronchoconstrictionLung functionSymptom diaryAirway resistanceIrritative phenomenaModerate exercisePhysiologic alterationsRespiratory effectsSubjective complaintsBaseline responsivenessFA exposureHealthy individualsIrritative propertiesRespiratory systemSuch exposure
1985
Respiratory symptoms associated with sulfur dioxide exposure
Witek T, Schachter E, Beck G, Cain W, Colice G, Leaderer B. Respiratory symptoms associated with sulfur dioxide exposure. International Archives Of Occupational And Environmental Health 1985, 55: 179-183. PMID: 3988360, DOI: 10.1007/bf00378381.Peer-Reviewed Original ResearchMeSH KeywordsAdultAir PollutionEnvironmental ExposureHumansPhysical ExertionRespiratory Tract DiseasesSulfur DioxideConceptsAsthmatic subjectsHealthy subjectsDose-dependent bronchoconstrictionLower airway symptomsUpper airway complaintsSeverity of complaintsLower respiratory complaintsSulfur dioxide exposureAirway complaintsAirway symptomsChest tightnessRespiratory symptomsRespiratory complaintsClinical significanceSymptomsComplaintsAsthmaticsSubjective responsesSensitive individualsSubjectsExposureLevels of SO2DyspneaBronchoconstrictionSeverity
1984
Airway Effects of Low Concentrations of Sulfur Dioxide: Dose-Response Characteristics
Schachter E, Witek T, Beck G, Hosein H, Colice G, Leaderer B, Cain W. Airway Effects of Low Concentrations of Sulfur Dioxide: Dose-Response Characteristics. Archives Of Environmental & Occupational Health 1984, 39: 34-42. PMID: 6370145, DOI: 10.1080/00039896.1984.10545831.Peer-Reviewed Original ResearchConceptsAsthmatic subjectsVital capacityPartial flow-volume curvesAcute respiratory effectsTotal lung capacityMaximal expiratory flowAbsence of exerciseKpm/minEnd of exerciseFlow-volume curvesDose-response relationshipDose-response characteristicsAirway effectsExpiratory volumeAirway resistanceLung capacitySignificant changesExpiratory flowRespiratory effectsHealthy subjectsHealthy individualsSeparate daysMin subjectsVolume curvesVmax50