2021
Improved outcomes using laparoscopy for emergency colectomy after mitigating bias by negative control exposure analysis
Linderman GC, Lin W, Sanghvi MR, Becher RD, Maung AA, Bhattacharya B, Davis KA, Schuster KM. Improved outcomes using laparoscopy for emergency colectomy after mitigating bias by negative control exposure analysis. Surgery 2021, 171: 305-311. PMID: 34332782, DOI: 10.1016/j.surg.2021.06.048.Peer-Reviewed Original ResearchConceptsOpen surgeryEmergency colectomyNational Surgical Quality Improvement Program dataQuality Improvement Program dataPostoperative septic shockLow-risk patientsSurgical site infectionPatients meeting criteriaColorectal emergenciesElective colectomyUnderwent laparoscopyHospital stayOverall morbidityNationwide registryAnastomotic leakColectomy casesConverted groupSeptic shockSite infectionPatient selectionBaseline variablesImproved outcomesLaparoscopic surgeryTreatment weightingColectomy
2020
Hospital Variation in Geriatric Surgical Safety for Emergency Operation
Becher RD, Sukumar N, DeWane MP, Stolar MJ, Gill TM, Schuster KM, Maung AA, Zogg CK, Davis KA. Hospital Variation in Geriatric Surgical Safety for Emergency Operation. Journal Of The American College Of Surgeons 2020, 230: 966-973.e10. PMID: 32032720, PMCID: PMC7409563, DOI: 10.1016/j.jamcollsurg.2019.10.018.Peer-Reviewed Original ResearchConceptsStandardized mortality ratioHospital-level characteristicsGeneral surgery operationsGeriatric patientsEmergency operationHospital variationEmergency general surgery operationsMean standardized mortality ratioCalifornia State Inpatient DatabaseHospital-based mortalitySignificant hospital variationPatients 65 yearsSubstantial excess mortalitySurgery operationsState Inpatient DatabasesMixed effects logistic regression modelsCommon general surgery operationsLow-mortality outliersLogistic regression modelsPostoperative mortalityHospital deathOlder patientsInpatient DatabaseMortality outcomesNonelective operations