2008
Association of Sleep Apnea Severity and Obesity with Insulin Resistance, C-Reactive Protein, and Leptin Levels in Male Patients with Obstructive Sleep Apnea
Kapsimalis F, Varouchakis G, Manousaki A, Daskas S, Nikita D, Kryger M, Gourgoulianis K. Association of Sleep Apnea Severity and Obesity with Insulin Resistance, C-Reactive Protein, and Leptin Levels in Male Patients with Obstructive Sleep Apnea. Lung 2008, 186: 209-217. PMID: 18365276, DOI: 10.1007/s00408-008-9082-x.Peer-Reviewed Original ResearchConceptsObstructive sleep apnea syndromeSleep apnea severityObstructive sleep apneaNon-OSA groupBody mass indexModerate OSAS groupCRP levelsInsulin resistanceApnea severityOSAS groupMale patientsLeptin levelsSleep apneaSevere obstructive sleep apnea syndromeHomeostasis model assessment methodSevere sleep apneaSevere OSAS groupSleep apnea syndromeC-reactive proteinTotal sleep timeNocturnal hypoxemiaApnea syndromeModel assessment methodHip ratioMass index
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
2000
Restless legs syndrome in 218 patients: associated disorders
Banno K, Delaive K, Walld R, Kryger M. Restless legs syndrome in 218 patients: associated disorders. Sleep Medicine 2000, 1: 221-229. PMID: 10828433, DOI: 10.1016/s1389-9457(00)00023-x.Peer-Reviewed Original ResearchRestless legs syndromeRLS patientsFemale controlsMale controlsMale patientsFemale patientsManitoba Health databasePeriodic limb movementsSleep laboratory evaluationSleep maintenance insomniaDiseases of jointsMost patientsExtrapyramidal diseasesRestless legsExtrapyramidal disordersLegs syndromePainful conditionsControl subjectsMaintenance insomniaMovement disordersGeneral populationPsychiatric disordersMusculoskeletal disordersPatientsHealth databases
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
The Effect of Short-term Nasal CPAP on Cheyne-Stokes Respiration in Congestive Heart Failure
Buckle P, Millar T, Kryger M. The Effect of Short-term Nasal CPAP on Cheyne-Stokes Respiration in Congestive Heart Failure. CHEST Journal 1992, 102: 31-35. PMID: 1623779, DOI: 10.1378/chest.102.1.31.Peer-Reviewed Original ResearchConceptsCongestive heart failureCheyne-Stokes respirationMultiple sleep latency testNasal CPAPSleep qualityNocturnal oxygenationHeart failureTreatment nightsDaytime arterial blood gas valuesArterial blood gas valuesNasal CPAP therapyNYHA class 3Sleep latency testBlood gas valuesShort-term treatmentSignificant differencesAge 54.1CPAP therapyMale patientsFull polysomnographyDaytime sleepinessLatency testCPAPPatientsGas values
1989
The effect of oxygen on respiration and sleep in patients with congestive heart failure.
Hanly P, Millar T, Steljes D, Baert R, Frais M, Kryger M. The effect of oxygen on respiration and sleep in patients with congestive heart failure. Annals Of Internal Medicine 1989, 111: 777-82. PMID: 2817624, DOI: 10.7326/0003-4819-111-10-777.Peer-Reviewed Original ResearchConceptsStable congestive heart failureCheyne-Stokes respirationCongestive heart failureHeart failureTotal sleep timeOxygen therapySleep timeStage 1 NREM sleepPlacebo-controlled crossover studyLow-flow oxygenNocturnal oxygen saturationNocturnal oxygen therapyOutpatient cardiology clinicApnea-hypopnea indexNumber of arousalsStage 1 sleepStage 2 sleepSlow-wave sleepHyperpneic phaseNocturnal hypoxemiaSleep hypoxemiaMale patientsNasal cannulaeCardiology clinicCrossover study
1988
Mortality and Apnea Index in Obstructive Sleep Apnea Experience in 385 Male Patients
He J, Kryger M, Zorick F, Conway W, Roth T. Mortality and Apnea Index in Obstructive Sleep Apnea Experience in 385 Male Patients. CHEST Journal 1988, 94: 9-14. PMID: 3289839, DOI: 10.1378/chest.94.1.9.Peer-Reviewed Original ResearchConceptsApnea indexObstructive sleep apneaNasal CPAPOSA patientsCumulative survivalObstructive sleep apnea experienceEight-year survivalMale OSAS patientsUntreated OSA patientsGreater mortalityYears of ageUPPP patientsLatter patientsMale patientsSleep apneaPatientsSurvival curvesMortalityTracheostomyCPAPSurvivalIndexApneaUPPPTherapy