2018
Flow limitation/obstruction with recovery breath (FLOW) event for improved scoring of mild obstructive sleep apnea without electroencephalography
Johnson KG, Johnson DC, Thomas RJ, Feldmann E, Lindenauer PK, Visintainer P, Kryger MH. Flow limitation/obstruction with recovery breath (FLOW) event for improved scoring of mild obstructive sleep apnea without electroencephalography. Sleep Medicine 2018, 67: 249-255. PMID: 30583916, PMCID: PMC6548700, DOI: 10.1016/j.sleep.2018.11.014.Peer-Reviewed Original ResearchConceptsApnea/hypopnea indexObstructive sleep apneaMild obstructive sleep apneaSleep apneaAirflow disruptionIntraclass correlationAHI categoriesBaseline PSGHypopnea indexOSA patientsHighest tertileOSA categoriesArousal criteriaPatientsFlow limitationApneaDesaturationFlow scoreArousal eventsOverall kappaObstructionTraining periodHigher proportionElectroencephalographyScoring1134 A morbidly obese type I diabetic teenager with sleep apnea, nocturnal eating, and Cushingoid features. Where to start?
Hawkins M, Williams C, Kryger M. 1134 A morbidly obese type I diabetic teenager with sleep apnea, nocturnal eating, and Cushingoid features. Where to start? Sleep 2018, 41: a419-a420. DOI: 10.1093/sleep/zsy063.1133.Peer-Reviewed Original ResearchObstructive sleep apneaMorning glucose levelsNocturnal eatingSleep apneaGlucose levelsDocumentation of hypoglycemiaInsulin resistance riskApnea-hypopnea indexSetting of diabetesBody mass indexDoses of insulinDiagnosis of diabetesAge 5 yearsAdverse health conditionsSalivary cortisol levelsType ICushingoid featuresPAP therapyCushingoid appearanceNight sweatsHypopnea indexHypothalamic dysfunctionPrompt treatmentCushing's diseaseNight-time behavior
2015
Effects of suvorexant, an orexin receptor antagonist, on breathing during sleep in patients with chronic obstructive pulmonary disease
Sun H, Palcza J, Rosenberg R, Kryger M, Siringhaus T, Rowe J, Lines C, Wagner JA, Troyer MD. Effects of suvorexant, an orexin receptor antagonist, on breathing during sleep in patients with chronic obstructive pulmonary disease. Respiratory Medicine 2015, 109: 416-426. PMID: 25661282, DOI: 10.1016/j.rmed.2014.12.010.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAzepinesCross-Over StudiesDouble-Blind MethodFemaleHumansMaleMiddle AgedOrexin Receptor AntagonistsPulmonary Disease, Chronic ObstructiveRespirationSeverity of Illness IndexSleepSleep Aids, PharmaceuticalSpirometryTreatment OutcomeTriazolesUnited StatesConceptsChronic obstructive pulmonary diseaseObstructive pulmonary diseaseSleep breathing disordersOrexin receptor antagonistPulmonary diseaseBreathing disordersReceptor antagonistModerate chronic obstructive pulmonary diseaseDay 4Effects of suvorexantModerate airflow limitationRespiratory depressant effectsApnea-hypopnea indexMaximum daily doseClinical research unitTotal sleep timeTreatment of insomniaMean AHICOPD patientsAirflow limitationHypopnea indexDaily doseMean SpO2Spirometry criteriaHypnotic medications
2012
Respiratory Event Detection by a Positive Airway Pressure Device
Berry RB, Kushida CA, Kryger MH, Soto-Calderon H, Staley B, Kuna ST. Respiratory Event Detection by a Positive Airway Pressure Device. Sleep 2012, 35: 361-367. PMID: 22379242, PMCID: PMC3274337, DOI: 10.5665/sleep.1696.Peer-Reviewed Original ResearchConceptsObstructive sleep apneaEvents/hrPositive airway pressure devicesApnea indexHypopnea indexPAP devicesRespiratory eventsSleep disorders centerPressure deviceBetter treatment efficacyRespiratory event detectionOxygen desaturationSleep apneaPAP treatmentBland-Altman analysisDisorders CenterPolysomnographyTreatment efficacyAHIInadequate treatmentManual scoringHypopnea detectionTrue negative eventsHrTreatment
1993
Benzodiazepines in Congestive Heart Failure: Effects of Temazepam on Arousability and Cheyne-Stokes Respiration
Biberdorf D, Steens R, Millar T, Kryger M. Benzodiazepines in Congestive Heart Failure: Effects of Temazepam on Arousability and Cheyne-Stokes Respiration. Sleep 1993, 16: 529-538. PMID: 8235237, DOI: 10.1093/sleep/16.6.529.Peer-Reviewed Original ResearchConceptsCheyne-Stokes respirationCongestive heart failureTotal sleep timePercentage of TSTApnea/hypopnea indexOxygen saturationTotal wake timeEffects of temazepamHeart failureSleep architectureDouble-blind crossover trialSevere congestive heart failureOvernight oxygen saturationStage 1 sleepHours of sleepSleep stage proportionsCHF patientsHypopnea indexMale patientsDaytime somnolenceCrossover trialSignificant changesFrequent arousalsDaytime alertnessSleep time
1992
Short Technical Note: Quantification of Periodic Breathing: Preliminary Studies
Millar T, Hanly P, Kryger M. Short Technical Note: Quantification of Periodic Breathing: Preliminary Studies. Sleep 1992, 15: 364-370. PMID: 1519013, DOI: 10.1093/sleep/15.4.364.Peer-Reviewed Original ResearchConceptsApnea/hypopnea indexPeriodic breathingHypopnea indexBreathing patternPattern abnormalitiesHeart failure patientsCheyne-Stokes respirationNight sleep studiesApnea indexFailure patientsPatient populationIndividual patientsSleep studiesPeriodicity indexSleep laboratoryBreathingPatientsAbnormalitiesSleepSpectral analytic techniquesFuture studiesHigh correlationPreliminary studyIndexApnea