Maija Cheung, MD, FACS
Associate Program Director, General Surgery, SurgeryAbout
Titles
Associate Program Director, General Surgery, Surgery
Biography
Dr. Maija Cheung is an Assistant Professor in Surgery in the Division of Bariatrics and Minimally Invasive Surgery. Dr. Cheung also serves as the Associate Program Director for Clinical Skills for the General Surgery Program and Associate Program Director for the Bariatric and Minimally Invasive Surgery Fellowship Program. Her clinical interests are in hernia, foregut and bariatric surgery and integrating robotics into this practice.
Dr. Cheung completed her General Surgery Residency at Yale New Haven Hospital and was the first Yale Global Surgery Research Fellow. Her research focused on capacity building and educational projects in pediatric surgery and trauma and emergency general surgery in Uganda. She has worked with a philanthropic organization, KidsOR since 2017 as an International Advisory Board member helping steer clinical development opportunities and data collection policies and in 2021 was appointed as their Global Lead for Surgery.
Dr. Cheung completed her fellowship in Bariatrics and Minimally Invasive Surgery at Yale. Her current research is focused on global trauma and surgical outcomes, developing education, simulation, and training programs both in the United States and in low income countries, and building reciprocal clinical and research collaborations between international institutions.
Appointments
Departments & Organizations
- Center for Weight Management
- Gastrointestinal Surgery
Education & Training
- Resident Physician
- Yale University School of Medicine (2020)
- Global Surgery Fellow
- Yale University School of Medicine (2017)
- MD
- Geisel School of Medicine at Dartmouth (2014)
- BA
- Middlebury College (2005)
Research
Overview
Medical Subject Headings (MeSH)
Research at a Glance
Yale Co-Authors
Publications Timeline
Research Interests
Reza Yaesoubi, PhD
Nensi Ruzgar
Jason Bini, PhD
John Morton, FACS, FASMBS, MD, MPH, MHA, BS
Lee Ying, MD, PhD, MS, MPhil
Melanie Sion, MD, FACS
Global Health
General Surgery
Bariatric Surgery
Healthcare Disparities
Publications
2024
Correlation of Pediatric Surgical Infrastructure With Clinical and Economic Outcomes: A Cohort Study
Negash S, Yap A, Stephens C, Nigussie B, Tefera R, Bryce E, Cheung M, Fedatto M, Laverde R, Ozgediz D, Tadesse A, Derbew M. Correlation of Pediatric Surgical Infrastructure With Clinical and Economic Outcomes: A Cohort Study. Journal Of Surgical Research 2024, 303: 215-223. PMID: 39369594, DOI: 10.1016/j.jss.2024.09.006.Peer-Reviewed Original ResearchAltmetricConceptsDisability-adjusted life yearsSurgical infrastructureHealth benefitsCohort studyHousehold incomeCatastrophic healthcare expenditureMedian annual household incomeAnnual household incomeImprove equitable accessMiddle-income countriesEthiopian public hospitalsPatients' household incomePediatric operating roomHousehold annual incomeCompare patient outcomesPatients' caregiversRetrospective cohort studyChild healthEconomic outcomesPediatric ORPublic hospitalsHealthcare expendituresEthiopian hospitalsSurgical careOperating roomDevelopment and Internal-External Validation of a Post-Operative Mortality Risk Calculator for Pediatric Surgical Patients in Low- and Middle- Income Countries using Machine Learning
Eyler Dang L, Klazura G, Yap A, Ozgediz D, Bryce E, Cheung M, Fedatto M, Ameh E. Development and Internal-External Validation of a Post-Operative Mortality Risk Calculator for Pediatric Surgical Patients in Low- and Middle- Income Countries using Machine Learning. Journal Of Pediatric Surgery 2024, 161883. PMID: 39317568, DOI: 10.1016/j.jpedsurg.2024.161883.Peer-Reviewed Original ResearchAltmetricConceptsMiddle-income countriesPost-operative mortality ratePost-operative mortalityPediatric surgical patientsRisk algorithmPediatric surgery patientsMortality risk calculatorInternal-external validationSurgery patientsEligible patientsSurgical patientsCalibration slopeHospital dischargePatientsType of studyMortality rateClinical practiceCross-validated AUCIncome countriesRisk calculatorAUCMortalityDischarge statusValidation AUCCost-effectiveness of a pediatric operating room installation in Sub-Saharan Africa
Yap A, Halid S, Ukwu N, Laverde R, Park P, Klazura G, Bryce E, Cheung M, Marseille E, Ozgediz D, Ameh E. Cost-effectiveness of a pediatric operating room installation in Sub-Saharan Africa. PLOS Global Public Health 2024, 4: e0001748. PMID: 38536860, PMCID: PMC10971580, DOI: 10.1371/journal.pgph.0001748.Peer-Reviewed Original ResearchCitationsAltmetricConceptsDisability-adjusted life yearsPediatric operating roomIncremental cost-effectiveness ratioSub-Saharan AfricaSurgical infrastructureProbabilistic sensitivity analysesOperating roomLocal healthcare systemCost-effective interventionPayor perspectiveCost-effectiveSub-SaharanHealth outcomesPediatric surgical servicesSurgical capacityCost-effectiveness thresholdPatient's familyCost-effectiveness ratioHealthcare systemLack of knowledgeGlobal surgerySurgical deliveryUnited States dollarsLife yearsSurgical services
2023
Out-of-pocket costs and catastrophic healthcare expenditure for families of children requiring surgery in sub-Saharan Africa
Yap A, Olatunji B, Negash S, Mweru D, Kisembo S, Masumbuko F, Ameh E, Lebbie A, Bvulani B, Hansen E, Philipo G, Carroll M, Hsu P, Bryce E, Cheung M, Fedatto M, Laverde R, Ozgediz D. Out-of-pocket costs and catastrophic healthcare expenditure for families of children requiring surgery in sub-Saharan Africa. Surgery 2023, 174: 567-573. PMID: 37385869, DOI: 10.1016/j.surg.2023.05.010.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsCatastrophic healthcare expenditureFamilies of childrenHealthcare expendituresChildren's surgeryPocket costsPediatric surgical patientsMultivariate logistic regressionPediatric operating roomIntensive resource utilizationPocket healthcare costsUniversal healthcare coverageChart reviewSurgical patientsSubgroup analysisClinical dataAfrican hospitalsHealthcare costsEconomic burdenMedian annual incomeSurgeryOlder ageLogistic regressionHealthcare coverageOperating roomOlder children
2021
Performing Bariatric Surgery on Previously COVID+ Patients Is Safe and Effective
Cheung MS, Ying L, Duffy AJ, Ghiassi S, Nadzam G, Roberts KE, Morton JM. Performing Bariatric Surgery on Previously COVID+ Patients Is Safe and Effective. Obesity Surgery 2021, 31: 5082-5084. PMID: 34453312, PMCID: PMC8396140, DOI: 10.1007/s11695-021-05659-5.Peer-Reviewed Original ResearchCitationsMeSH KeywordsThe Role of Positron Emission Tomography in Bariatric Surgery Research: a Review
Bini J, Norcross M, Cheung M, Duffy A. The Role of Positron Emission Tomography in Bariatric Surgery Research: a Review. Obesity Surgery 2021, 31: 4592-4606. PMID: 34304378, DOI: 10.1007/s11695-021-05576-7.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsPositron emission tomographyBariatric surgeryEmission tomographyBariatric surgery researchMalabsorption of foodBlood flowWhole-body PET imagingRadioligand developmentWeight lossPET imagingAmount of foodSurgery researchPhysiological effectsSurgeryPicomolar concentrationsTomographyRadioactive moleculesMetabolismMalabsorptionObesityPatientsFoodStomachPharmacologyReceptorsAccess to pediatric surgery delivered by general surgeons and anesthesia providers in Uganda: Results from 2 rural regional hospitals
Grabski DF, Ajiko M, Kayima P, Ruzgar N, Nyeko D, Fitzgerald TN, Langer M, Cheung M, Cigliano B, D'Agostino S, Baird R, Duffy D, Tumukunde J, Nabukenya M, Ogwang M, Kisa P, Sekabira J, Kakembo N, Ozgediz D. Access to pediatric surgery delivered by general surgeons and anesthesia providers in Uganda: Results from 2 rural regional hospitals. Surgery 2021, 170: 1397-1404. PMID: 34130809, DOI: 10.1016/j.surg.2021.05.007.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsPediatric surgical capacityRural regional hospitalGeneral surgeonsSurgical capacitySurgery admissionsMiddle-income countriesSurgical guidelinesRegional hospitalPediatric surgeryAnesthesia providersRegional Referral HospitalProspective clinical databasePediatric surgical servicesPediatric surgical careGeneral surgery casesMajority of casesHospital mortalityPrimary outcomeReferral hospitalSurgical infectionsClinical outcomesSurgery casesHernia repairSurgical careSurgical procedures
2020
Development of an Operative Trauma Course in Uganda—A Report of a Three-Year Experience
Ullrich SJ, DeWane MP, Cheung M, Fleming M, Namugga MM, Fu W, Kurigamba G, Kabuye R, Mabweijano J, Galukande M, Ozgediz D, Pei KY. Development of an Operative Trauma Course in Uganda—A Report of a Three-Year Experience. Journal Of Surgical Research 2020, 256: 520-527. PMID: 32799000, DOI: 10.1016/j.jss.2020.07.024.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsMeSH KeywordsAdolescentAdultChildChild, PreschoolClinical CompetenceCurriculumFemaleHealth ResourcesHumansInjury Severity ScoreInterdisciplinary PlacementInternship and ResidencyMaleMiddle AgedSurgeonsSurgical Procedures, OperativeSurveys and QuestionnairesTraumatologyTreatment OutcomeUgandaWounds and InjuriesYoung AdultConceptsOperative techniqueTrauma courseInitial patient evaluationThree-year experienceLow-resource settingsHealth care systemBedside interventionsRoad traffic crashesPatient demographicsClinical outcomesPatient evaluationLiver repairHead CTLeading causePractice patternsDiagnostic imagingLow-income countriesSecond-year surgical residentsStudy periodCare systemResident practiceSurgical residentsLaparotomySignificant differencesPatientsThe Three Delays’ Impact in Uganda: The Disease Burden and Operative Backlog at a New Pediatric Surgery Outpatient Clinic of a Tertiary Center
Ruzgar N, Godier-Furnemont A, Kakembo N, Cheung M, Ullrich S, Nabirye A, Nambooze H, Kisa P, Muzira A, Sekabira J, Ozgediz D. The Three Delays’ Impact in Uganda: The Disease Burden and Operative Backlog at a New Pediatric Surgery Outpatient Clinic of a Tertiary Center. Pediatrics 2020, 146: 278-279. DOI: 10.1542/peds.146.1ma4.278.Peer-Reviewed Original ResearchCitationsNavigating the COVID-19 Pandemic
Ullrich S, Cheung M, Namugga M, Sion M, Ozgediz D, Yoo P. Navigating the COVID-19 Pandemic. Annals Of Surgery 2020, 272: e216-e218. PMID: 32520740, PMCID: PMC7299091, DOI: 10.1097/sla.0000000000004115.Peer-Reviewed Original ResearchCitationsAltmetric
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