2017
The Validity of Discharge Billing Codes Reflecting Severe Maternal Morbidity
Sigakis M, Leffert L, Mirzakhani H, Sharawi N, Rajala B, Callaghan W, Kuklina E, Creanga A, Mhyre J, Bateman B. The Validity of Discharge Billing Codes Reflecting Severe Maternal Morbidity. Obstetric Anesthesia Digest 2017, 37: 16-17. DOI: 10.1097/01.aoa.0000512008.03839.93.Peer-Reviewed Original ResearchMassachusetts General HospitalPositive predictive valueMaternal morbiditySevere maternal complicationsSevere maternal morbidityHospital discharge dataMichigan Health SystemMaternal complicationsGeneral HospitalDiseases codesBilling codesAcademic centersPredictive valueICD codesHealth systemMorbidityPresent studyDischarge dataComplicationsHospital
2016
The Validity of Discharge Billing Codes Reflecting Severe Maternal Morbidity
Sigakis MJ, Leffert LR, Mirzakhani H, Sharawi N, Rajala B, Callaghan WM, Kuklina EV, Creanga AA, Mhyre JM, Bateman BT. The Validity of Discharge Billing Codes Reflecting Severe Maternal Morbidity. Anesthesia & Analgesia 2016, 123: 731-738. PMID: 27387839, PMCID: PMC7481827, DOI: 10.1213/ane.0000000000001436.Peer-Reviewed Original ResearchConceptsICD-9-CM codesSevere maternal morbidityPositive predictive valueMaternal morbidityMassachusetts General HospitalMichigan Health SystemGeneral HospitalClinical categoriesHealth systemCorresponding medical chartsConfidence intervalsLower confidence limitAnesthesia complicationsDelivery hospitalizationsObstetric categoryDelivery admissionMedical chartsDischarge diagnosisDiseases codesClinical dataLaboratory valuesBilling codesInternational ClassificationMorbidityBilling records
2015
Elevated Upper Body Position Improves Pregnancy-Related OSA Without Impairing Sleep Quality or Sleep Architecture Early After Delivery
Zaremba S, Mueller N, Heisig AM, Shin CH, Jung S, Leffert LR, Bateman BT, Pugsley LJ, Nagasaka Y, Duarte IM, Ecker JL, Eikermann M. Elevated Upper Body Position Improves Pregnancy-Related OSA Without Impairing Sleep Quality or Sleep Architecture Early After Delivery. CHEST Journal 2015, 148: 936-944. PMID: 25905714, DOI: 10.1378/chest.14-2973.Peer-Reviewed Original ResearchConceptsUpper airway cross-sectional areaAirway cross-sectional areaApnea-hypopnea indexUpper body elevationCross-sectional areaUpper body positionBody positionSleep architectureEarly postpartum womenUpper bodyInstitutional review board approvalUpper airway resistanceSeverity of OSABody elevationTotal sleep timeReview board approvalMassachusetts General HospitalRespiratory safetySevere OSAAcoustic pharyngometryNonpregnant patientsPostpartum patientsAirway resistanceCrossover studySleep apnea