2009
Expenditure on Health Care in Obese Women with and without Sleep Apnea
Banno K, Ramsey C, Walld R, Kryger MH. Expenditure on Health Care in Obese Women with and without Sleep Apnea. Sleep 2009, 32: 247-252. PMID: 19238812, PMCID: PMC2635589, DOI: 10.1093/sleep/32.2.247.Peer-Reviewed Original ResearchConceptsNormal-weight controlsObese controlsObese womenOSAS casesWeight controlPhysician feesPhysician visitsTertiary university-based medical centerHealth servicesUniversity-based medical centerAge-matched womenEffect of obesityRetrospective observational studyTreatment of OSAOverall medical costsHealth care utilizationMore health servicesGreater financial burdenHealth care expendituresOSA casesCare utilizationSleep apneaObservational studyMedical CenterGeneral population
2005
Symptoms of Obstructive Sleep Apnea in Patients with Nonalcoholic Fatty Liver Disease
Singh H, Pollock R, Uhanova J, Kryger M, Hawkins K, Minuk GY. Symptoms of Obstructive Sleep Apnea in Patients with Nonalcoholic Fatty Liver Disease. Digestive Diseases And Sciences 2005, 50: 2338-2343. PMID: 16416185, DOI: 10.1007/s10620-005-3058-y.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseSymptoms of OSANonalcoholic fatty liverObstructive sleep apneaFatty liver diseaseNAFLD patientsNASH patientsNonalcoholic steatohepatitisRisk factorsLiver diseaseSleep apneaInsulin resistancePrevalence of OSASleep apnea questionnaireIndependent risk factorPrevalence of diabetesBody mass indexPeripheral insulin resistanceLiver biopsyFatty liverMass indexTriglyceride levelsQuestionnaire criteriaPrevalence ratesPatientsUtilization of Healthcare Resources in Obstructive Sleep Apnea Syndrome: a 5Year Follow-Up Study in Men Using CPAP
Albarrak M, Banno K, Sabbagh AA, Delaive K, Walld R, Manfreda J, Kryger MH. Utilization of Healthcare Resources in Obstructive Sleep Apnea Syndrome: a 5Year Follow-Up Study in Men Using CPAP. Sleep 2005, 28: 1306-1311. PMID: 16295216, DOI: 10.1093/sleep/28.10.1306.Peer-Reviewed Original ResearchConceptsObstructive sleep apnea syndromeSleep apnea syndromeIschemic heart diseaseHealthcare utilizationApnea syndromeHeart diseaseTreatment of OSASContinuous positive airway pressure useUntreated obstructive sleep apnea syndromeRetrospective observational cohort studyPositive airway pressure useEpworth Sleepiness Scale scoreLong-term health benefitsHigher healthcare utilizationObservational cohort studyApnea-hypopnea indexBody mass indexCPAP treatmentCohort studyPhysician visitsMass indexEligible menOSAS diagnosisFifth yearOSA diagnosis
2002
What Are Obstructive Sleep Apnea Patients Being Treated for Prior to This Diagnosis?
Smith R, Ronald J, Delaive K, Walld R, Manfreda J, Kryger MH. What Are Obstructive Sleep Apnea Patients Being Treated for Prior to This Diagnosis? CHEST Journal 2002, 121: 164-172. PMID: 11796446, DOI: 10.1378/chest.121.1.164.Peer-Reviewed Original ResearchConceptsObstructive sleep apnea syndromeBody mass indexChronic obstructive airways diseaseObstructive airways diseaseHealth care utilizationSleep apnea patientsControl subjectsApnea patientsAirway diseaseOSAS patientsCardiovascular diseaseObstructive sleep apnea patientsHealth care utilization measuresApnea-hypopnea indexCongestive heart failureEffect of obesityIschemic heart diseaseSleep apnea syndromeDegree of hypoxemiaSignificant independent predictorsLogistic regression analysisCertain cardiovascular disordersHealth care resourcesRegression analysisApnea syndrome
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
1998
Obstructive sleep apnea patients use more health care resources ten years prior to diagnosis.
Ronald J, Delaive K, Roos L, Manfreda J, Kryger M. Obstructive sleep apnea patients use more health care resources ten years prior to diagnosis. Sleep Research Online : SRO 1998, 1: 71-4. PMID: 11382859.Peer-Reviewed Original ResearchConceptsOSA patientsObstructive sleep apnea syndrome (OSAS) patientsHealth care utilization recordsPatient health care utilizationSleep apnea syndrome patientsObstructive sleep apnea patientsHealth care utilizationSleep apnea patientsOSAS patientsMore hospitalizationsCare utilizationApnea patientsOSAS diagnosisSyndrome patientsGeneral populationPatientsUtilization recordsTen yearsDiagnosisTen-year periodYearsTen-year intervalsComorbiditiesHospitalizationHeavy users