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
2011
Long-term use of a nasal expiratory positive airway pressure (EPAP) device as a treatment for obstructive sleep apnea (OSA).
Kryger MH, Berry RB, Massie CA. Long-term use of a nasal expiratory positive airway pressure (EPAP) device as a treatment for obstructive sleep apnea (OSA). Journal Of Clinical Sleep Medicine 2011, 7: 449-53b. PMID: 22003339, PMCID: PMC3190843, DOI: 10.5664/jcsm.1304.Peer-Reviewed Original ResearchConceptsObstructive sleep apneaPositive airway pressure devicesMonths of treatmentSleep apneaObstructive sleep apnea hypopneaOpen-label extensionPositive clinical responseEvents/hLong-term adherenceSleep disorders centerEpworth Sleepiness ScaleSleep apnea hypopneaPressure deviceLong-term useAHI reductionClinical responseMonth 3Randomized studyApnea hypopneaMedian AHITrial nameClinical trialsMonths 1Disorders CenterSham trialsA Novel Nasal Expiratory Positive Airway Pressure (EPAP) Device for the Treatment of Obstructive Sleep Apnea: A Randomized Controlled Trial
Berry RB, Kryger MH, Massie CA. A Novel Nasal Expiratory Positive Airway Pressure (EPAP) Device for the Treatment of Obstructive Sleep Apnea: A Randomized Controlled Trial. Sleep 2011, 34: 479-485. PMID: 21461326, PMCID: PMC3065258, DOI: 10.1093/sleep/34.4.479.Peer-Reviewed Original ResearchConceptsObstructive sleep apneaPositive airway pressure devicesSleep apneaSham deviceWeek 1Double-blind clinical trialSevere obstructive sleep apneaMonths of treatmentSleep disorders centerEpworth Sleepiness ScalePressure deviceSubjective daytime sleepinessNon-consecutive nightsControlled TrialsMonth 3Sham treatmentClinical trialsDaytime sleepinessITT groupDisorders CenterSleepiness ScaleAHI valuesApneaMedian percentageAHI
2006
Gender differences on polysomnographic findings in Greek subjects with obstructive sleep apnea syndrome
Vagiakis E, Kapsimalis F, Lagogianni I, Perraki H, Minaritzoglou A, Alexandropoulou K, Roussos C, Kryger M. Gender differences on polysomnographic findings in Greek subjects with obstructive sleep apnea syndrome. Sleep Medicine 2006, 7: 424-430. PMID: 16740405, DOI: 10.1016/j.sleep.2005.12.014.Peer-Reviewed Original ResearchConceptsObstructive sleep apnea syndromeApnea-hypopnea indexBody mass indexSleep apnea syndromeMale patientsApnea syndromeFemale patientsOnset latencyMean apnea-hypopnea indexSleep apnea hypopnea indexHigher apnea-hypopnea indexNon-rapid eye movement sleepSleep disorders centerREM onset latencyEye movement sleepAthens Medical SchoolPercent of menSleep efficiency indexTotal sleep timeGreek subjectsAspects of sleepSleep onset latencyNorth American clinicsEvangelismos HospitalNREM-AHI
2005
Increasing obesity trends in patients with sleep-disordered breathing referred to a sleep disorders center.
Banno K, Walld R, Kryger MH. Increasing obesity trends in patients with sleep-disordered breathing referred to a sleep disorders center. Journal Of Clinical Sleep Medicine 2005, 1: 364-6. PMID: 17564402, DOI: 10.5664/jcsm.26362.Peer-Reviewed Original ResearchConceptsSleep-related breathing disordersBody mass indexSleep disorders centerMean body mass indexDisorders CenterBMI unitsObesity trendsSleep-disordered breathingPrevalence of obesityTime of referralYear of referralNumber of patientsMale patientsFemale patientsMass indexBreathing disordersMean ageNew patientsPatientsSignificant positive correlationReferralWomenObesityRegression analysisSex
2003
Sleep Disorders in a Military Population
Pouliot Z, Peters M, Neufeld H, Delaive K, Kryger M. Sleep Disorders in a Military Population. Military Medicine 2003, 168: 7-10. PMID: 12546237, DOI: 10.1093/miled.168.1.7.Peer-Reviewed Original ResearchConceptsSleep breathing disordersSleep disordersMovement disordersMilitary populationExcessive daytime sleepinessSleep disorders centerMajority of referralsCanadian military personnelMilitary personnelCommon diagnosisBreathing disordersMean ageFull polysomnographyMilitary patientsSleep diagnosesDaytime sleepinessDisorders CenterNeurocognitive impairmentDisordersCivilian populationDiagnosisAgeGroupSDPopulation
2002
Diagnoses Received by Narcolepsy Patients in the Year Prior to Diagnosis by a Sleep Specialist
Kryger M, Walld R, Manfreda J. Diagnoses Received by Narcolepsy Patients in the Year Prior to Diagnosis by a Sleep Specialist. Sleep 2002, 25: 36-41. PMID: 11833859, DOI: 10.1093/sleep/25.1.36.Peer-Reviewed Original ResearchConceptsOnset of symptomsSleep disorders centerCorrect diagnosisNarcolepsy patientsDisorders CenterManitoba Health databaseDiagnosis of narcolepsyNervous system disordersLonger intervalsClinical featuresExcessive daytimeNarcolepsy diagnosisNeurologic conditionsControl subjectsHypnagogic hallucinationsGeneral practitionersNeurologic disordersTeaching hospitalDoctor visitsNocturnal sleepSevere symptomatologySystem disordersGeneral populationSleep specialistsSpecialist evaluation
2001
The Use of Health-Care Resources in Obesity-Hypoventilation Syndrome
Berg G, Delaive K, Manfreda J, Walld R, Kryger M. The Use of Health-Care Resources in Obesity-Hypoventilation Syndrome. CHEST Journal 2001, 120: 377-383. PMID: 11502632, DOI: 10.1378/chest.120.2.377.Peer-Reviewed Original ResearchConceptsGeneral population control subjectsObese control subjectsObesity hypoventilation syndromeInitiation of treatmentOHS patientsControl subjectsRetrospective observational cohort studyObservational cohort studyMeasurement of BMISleep breathing disordersHealth care utilizationPopulation control subjectsSleep disorders centerHealth care resourcesCohort studyPhysician visitsBreathing disordersDisorders CenterPatientsControl groupDiagnosisPhysician feesHealth careVisitsTreatment
1999
Health Care Utilization in Males with Obstructive Sleep Apnea Syndrome Two Years After Diagnosis and Treatment
Bahammam A, Delaive K, Ronald J, Manfreda J, Roos L, Kryger M. Health Care Utilization in Males with Obstructive Sleep Apnea Syndrome Two Years After Diagnosis and Treatment. Sleep 1999, 22: 740-747. PMID: 10505819, DOI: 10.1093/sleep/22.6.740.Peer-Reviewed Original ResearchConceptsOSA patientsGeneral populationProspective observational cohort studyObservational cohort studySubgroup of patientsSleep disorders centerTreatment of patientsTwo yearsOSAS groupCohort studyPAT groupControl subjectsDisorders CenterPhysician claimsPatientsUtilization dataOne-yearDiagnosisYears one yearTreatmentYearsCanadian provincesOSASGroupHospital
1995
Nocturnal Oximetry: Is It a Screening Tool for Sleep Disorders?
Yamashiro Y, Kryger M. Nocturnal Oximetry: Is It a Screening Tool for Sleep Disorders? Sleep 1995, 18: 167-171. PMID: 7610312, DOI: 10.1093/sleep/18.3.167.Peer-Reviewed Original ResearchConceptsUpper airway resistance syndromeExcessive daytime sleepinessHome oximetrySleep disordersSevere OSA patientsTertiary referral hospitalPeriodic limb movementsSleep disorders centerNumber of desaturationsSleep-breathing disordersDisorders of sleepOxygen saturation dataMild OSAOSA patientsPolysomnographic diagnosisReferral hospitalSleep apneaResistance syndromeDaytime sleepinessDisorders CenterBlinded comparisonClinical diagnosisOximetryPolysomnographyPatients