1997
Randomized, double-blind, placebo-controlled crossover trial of modafinil in the treatment of excessive daytime sleepiness in narcolepsy
Broughton R, Fleming J, George C, Hill J, Kryger M, Moldofsky H, Montplaisir J, Morehouse R, Moscovitch A, Murphy W. Randomized, double-blind, placebo-controlled crossover trial of modafinil in the treatment of excessive daytime sleepiness in narcolepsy. Neurology 1997, 49: 444-451. PMID: 9270575, DOI: 10.1212/wnl.49.2.444.Peer-Reviewed Original ResearchConceptsPlacebo-controlled crossover trialOnly significant adverse effectPlacebo-controlled trialExcessive daytime somnolenceMean sleep latencyPeriodic leg movementsEpworth Sleepiness ScaleDaytime sleep episodesInternational diagnostic criteriaSignificant adverse effectsHypertensive patientsMore nauseaBlood pressureDaily doseDaytime somnolenceExcessive daytimeSleep apneaCrossover trialSleep latencyModafinil 200Nocturnal sleepPatient's abilitySleepiness ScaleSleep initiationHeart rate
1991
Effect of Theophylline on Lung Function Tests, Sleep Quality, and Nighttime SaO2 in Children with Cystic Fibrosis
Avital A, Sanchez I, Holbrow J, Kryger M, Chernick V. Effect of Theophylline on Lung Function Tests, Sleep Quality, and Nighttime SaO2 in Children with Cystic Fibrosis. American Journal Of Respiratory And Critical Care Medicine 1991, 144: 1245-1249. PMID: 1741534, DOI: 10.1164/ajrccm/144.6.1245.Peer-Reviewed Original ResearchConceptsEffect of theophyllineCystic fibrosisMicrograms/Heart rateGroup 2Better baseline lung functionT blood levelsBaseline lung functionIncidence of apneaLung function testsSerum T levelsLower heart rateTotal wake timePulmonary functionLung functionSerum levelsFunction testsMean SaO2Blood levelsSleep qualitySleep efficiencyGroup 1Sleep laboratoryT levelsWake time
1987
The Effect of Excessive Ethanol Ingestion on Sleep in Severe Chronic Obstructive Pulmonary Disease
Easton P, West P, Meatherall R, Brewster J, Lertzman M, Kryger M. The Effect of Excessive Ethanol Ingestion on Sleep in Severe Chronic Obstructive Pulmonary Disease. Sleep 1987, 10: 224-233. PMID: 3629084, DOI: 10.1093/sleep/10.3.224.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseSevere chronic obstructive pulmonary diseaseObstructive pulmonary diseaseSleep timePulmonary diseaseHeart rateEmphysematous chronic obstructive pulmonary diseaseExcessive ethanol ingestionSignificant O2 desaturationArterial oxygen saturationIngestion of alcoholDose of ethanolSleep stagesExcessive alcohol ingestionTotal sleep timeMean heart ratePremature ventricular contractionsCOPD altersAlcohol ingestionO2 desaturationEthanol ingestionOxygen saturationVentricular contractionsREM timeSerum ethanolSnoring in Normal Young Adults: Prevalence in Sleep Stages and Associated Changes in Oxygen Saturation, Heart Rate, and Breathing Pattern
Perez-Padilla J, West P, Kryger M. Snoring in Normal Young Adults: Prevalence in Sleep Stages and Associated Changes in Oxygen Saturation, Heart Rate, and Breathing Pattern. Sleep 1987, 10: 249-253. PMID: 3629087, DOI: 10.1093/sleep/10.3.249.Peer-Reviewed Original ResearchConceptsHeart rateContinuous snoringSleep stagesOxygen saturationPrevalence of snoringSignificant O2 desaturationMean heart rateNormal young adultsMean SaO2O2 desaturationDifferent pathogenesisDifferent sleep stagesNormal subjectsBreathing patternLight snorersBreathing frequencySnoringArrhythmiasYoung adultsPrevalenceStage 3Same sleep stageStage 2Associated ChangesSubjectsDynamic in Vivo Response Characteristics of Three Oximeters: Hewlett-Packard 47201A, Biox III, and Nellcor N-100
West P, George C, Kryger M. Dynamic in Vivo Response Characteristics of Three Oximeters: Hewlett-Packard 47201A, Biox III, and Nellcor N-100. Sleep 1987, 10: 263-271. PMID: 3629089, DOI: 10.1093/sleep/10.3.263.Peer-Reviewed Original ResearchConceptsOxygen saturation measurementsHeart rateSaO2 measurementsOxygen saturationSleep apnea syndrome patientsArterial oxygen saturationPulse oximeterHewlett-Packard 47201ASyndrome patientsLinear regression analysisSaturation measurementsNellcor NOximeter sensorBiox IIIOximeterPatientsRegression analysisResponse relationshipSleepPulse oximeter sensorSaO2
1985
Sleep and Control of Heart Rate
George C, Kryger M. Sleep and Control of Heart Rate. Clinics In Chest Medicine 1985, 6: 595-601. PMID: 3853478, DOI: 10.1016/s0272-5231(21)00397-x.Peer-Reviewed Original ResearchConceptsHeart rateTotal peripheral vascular resistanceSinus arrhythmiaExaggerated sinus arrhythmiaAutonomic nervous system activityPeripheral vascular resistanceTransient AV blockNormal hemoglobin concentrationAutonomic nervous activityNervous system activityHeart rate responseStages of sleepVascular resistanceBlood pressureVentricular functionCardiac outputAV blockRhythm disturbancesCarotid bodyLung inflationNervous activityREM sleepRespiratory arrhythmiaHemoglobin concentrationRespiratory rate
1983
Sighs During Sleep in Adult Humans
Perez-Padilla R, West P, Kryger M. Sighs During Sleep in Adult Humans. Sleep 1983, 6: 234-243. PMID: 6622880, DOI: 10.1093/sleep/6.3.234.Peer-Reviewed Original ResearchConceptsSleep stage changesCentral apneaGreat intersubject variationExpiratory flowRespiratory centerInspiratory flowEMG activityHeart rateRespiratory rateNormal adultsRespiratory cycleSleepIntersubject variationAdult humansRespiratory controlSleep stagesEEG frequenciesStage 1Normal variabilityPrevious breathStage changesSighsArousalHypoventilationApnea
1976
Exercise tolerance at 4 and 6 ATA.
Anthonisen N, Utz G, Kryger M, Urbanetti J. Exercise tolerance at 4 and 6 ATA. Undersea And Hyperbaric Medicine 1976, 3: 95-112. PMID: 951829.Peer-Reviewed Original ResearchConceptsDisturbance of consciousnessNormal male subjectsMaximum breathing capacityMaximum oxygen uptakeMaximum O2 uptakeO2 uptakeSevere dyspneaATA O2Bicycle exerciseLarge airwaysMinute ventilationHeavy exerciseHeart rateExercise levelsMale subjectsN2 narcosisRespiratory frequencyBreathing capacityCO2 retentionOxygen uptakeVentilationSubjectsATAExerciseCO2 output