Zane Hellmann, MD
Hospital ResidentCards
About
Research
Publications
2026
The impact of hospital volume on CT usage in the management of pediatric empyema
Haynes CV, Hellmann ZJ, Tomàs-Gracia M, Wilson EM, Solomon DG, Cowles RA. The impact of hospital volume on CT usage in the management of pediatric empyema. Pediatric Surgery International 2026, 42: 345. DOI: 10.1007/s00383-026-06569-2.Peer-Reviewed Original ResearchThe Effect of Critical Congenital Heart Disease on Mortality and ECMO Utilization in Congenital Diaphragmatic Hernia: An Analysis of a Contemporary Cohort of Children’s Hospitals
Buu L, Jones A, Hellmann Z, Solomon D, Cowles R. The Effect of Critical Congenital Heart Disease on Mortality and ECMO Utilization in Congenital Diaphragmatic Hernia: An Analysis of a Contemporary Cohort of Children’s Hospitals. Journal Of Pediatric Surgery 2026, 163309. PMID: 42468685, DOI: 10.1016/j.jpedsurg.2026.163309.Peer-Reviewed Original ResearchBivalirudin use and Outcomes in Neonates With Congenital Diaphragmatic Hernia Managed With Extracorporeal Life Support.
Sescleifer A, Chidiac C, Hellmann Z, Mcdermott K, Stewart L, Garcia A, Rhee D, Slidell M, Solomon D, Kunisaki S. Bivalirudin use and Outcomes in Neonates With Congenital Diaphragmatic Hernia Managed With Extracorporeal Life Support. Annals Of Surgery 2026 PMID: 42319156, DOI: 10.1097/sla.0000000000007128.Peer-Reviewed Original ResearchVariation in Management of Blunt Splenic Injury by Trauma Center Training Status.
Hellmann Z, Sohi G, Thaxton C, Jones A, Christison-Lagay E, Solomon D. Variation in Management of Blunt Splenic Injury by Trauma Center Training Status. Journal Of The American College Of Surgeons 2026, 242: 1498-1504. PMID: 41562442, DOI: 10.1097/xcs.0000000000001779.Peer-Reviewed Original Researchblunt splenic injurynon-operative managementmanagement of blunt splenic injuryPediatric Health Information Systemsplenic injuryInjury Severity Scoresurgical managementpatient demographicsnon-operative management of blunt splenic injuryfailure of non-operative managementpediatric blunt splenic injurypercutaneous endovascular embolizationsevere splenic injuriespediatric trauma surgeonICD-10 diagnostic codeshealth information systemsinjury severitymultivariate logistic regressionrates of interventionsplenic interventionendovascular embolizationfellowship training programssurgical fellowshipssurgical interventioninterinstitutional variability
2025
A declining incidence of gastroschisis parallels trends in maternal smoking rates in the United States
Hellmann Z, Haynes C, Fortoul M, Thaxton C, Buu L, Solomon D, Cowles R. A declining incidence of gastroschisis parallels trends in maternal smoking rates in the United States. Journal Of Pediatric Surgery 2025, 61: 162861. PMID: 41349788, DOI: 10.1016/j.jpedsurg.2025.162861.Peer-Reviewed Original Researchmaternal smoking ratessmoking rateslive birthsgastroschisis ratematernal smokingdeclining incidencediagnosis of gastroschisisincidence of gastroschisisnumbers of cigarettesDepartment of Healthdaily numberUnited Statesgastroschisisprimary outcomerisk factorsnewbornsbirthsmokingyoung adultsdiagnosismothersindependent variablesconcurrent decreasepregnancycomplete informationOptimizing surgical techniques for the repair of inguinal hernias in infants
Hellmann Z, Knod J, Kulaylat A, Robertson J, Griggs C, DeFazio J, Alemayehu H, Scholz S, Robinson J, Zamora I, Slidell M, Nandivada P, Darcy D, Russell R, Feng C, Williams K, Willow E, Stack M, Gigena-Heitsman C, Stetson A, Nemeh C, Welch C, Botchway M, Byrnes J, Chanda N, Sescleifer A, Kim R, Byrne M, Dixon S, Lutati D, Ladd M, Chandler N, Snyder C, Taylor J, Finck C, Lipskar A, Rangel S, Kunisaki S, Hornick M, Network T. Optimizing surgical techniques for the repair of inguinal hernias in infants. Journal Of Pediatric Surgery 2025, 61: 162838. PMID: 41308825, PMCID: PMC13204749, DOI: 10.1016/j.jpedsurg.2025.162838.Peer-Reviewed Original Researchlaparoscopic inguinal hernia repairinguinal hernia repairdiagnostic laparoscopyinguinal herniapermanent suturesincidence of metachronous contralateral herniaopen inguinal hernia repairmetachronous contralateral herniarepair of inguinal herniainternal ringmulticenter retrospective studyClinical Research Consortiumcontralateral herniarecurrence ratemedian timepatient demographicsretrospective studysurgical techniquehernia repairhernialaparoscopyinfantsChildren's Hospitaloperative techniquesutureNeighborhood- and Patient-Level Socioecological Determinants of Health Assessed Before Major Surgery
Schultz K, Linhares S, Godfrey E, Dhanda U, Hellmann Z, Van Dusen H, Chu D, Leeds I. Neighborhood- and Patient-Level Socioecological Determinants of Health Assessed Before Major Surgery. JAMA Network Open 2025, 8: e2532854. PMID: 40971158, PMCID: PMC12449718, DOI: 10.1001/jamanetworkopen.2025.32854.Peer-Reviewed Original ResearchArnold Schwarzenegger or Danny DeVito? The fate of twins with necrotizing enterocolitis in the NICU
Hellmann Z, Thaxton C, Sapir N, Rehman S, Cowles R, Christison-Lagay E, Solomon D. Arnold Schwarzenegger or Danny DeVito? The fate of twins with necrotizing enterocolitis in the NICU. Journal Of Pediatric Surgery 2025, 61: 162526. PMID: 40812408, DOI: 10.1016/j.jpedsurg.2025.162526.Peer-Reviewed Original Researchmultiple gestation pregnanciesgestation pregnanciessingleton birthsuncontrolled cohortincidence of necrotizing enterocolitisneonatal intensive care unitdevelopment of NECincidence of NECPediatric Health Information Systemintensive care unitsingleton gestationsgestational agemultiple gestationsNICU populationsingleton infantsnecrotizing enterocolitisNICU infantslow birthweightaverage birthweightinternal validityprimary outcomegestationcare unitshort gestationinfantsWhy did the children cross the road? The relationship between roadway design and severe pediatric trauma in pedestrians struck by motor vehicle
Hellmann Z, Jones A, Thaxton C, Bergus K, Mansfield A, Solomon D, Mansfield S, Christison-Lagay E. Why did the children cross the road? The relationship between roadway design and severe pediatric trauma in pedestrians struck by motor vehicle. Journal Of Pediatric Surgery 2025, 61: 162522. PMID: 40812397, DOI: 10.1016/j.jpedsurg.2025.162522.Peer-Reviewed Original ResearchInjury Severity Scorepediatric pedestriansschool zonesintersection densitymotor vehiclesICD-10 diagnostic codesroadway designmultivariable Poisson regressionlower Injury Severity ScoreWalking Indexsevere pediatric traumaOhio Departmentseverity of injuryPoisson regressiondiagnostic codescensus tractspediatric traumaICD-10Children's Hospitalpediatric hospitalprimary outcomeslow trafficspeed limitdriving speedseverity scorePrevalence of Critical Congenital Heart Defects Among Neonates Born With Abdominal Wall Defects
Hellmann Z, Buu L, Rehman S, Thaxton C, Solomon D, Cowles R. Prevalence of Critical Congenital Heart Defects Among Neonates Born With Abdominal Wall Defects. Prenatal Diagnosis 2025, 45: 1115-1121. PMID: 40670328, DOI: 10.1002/pd.6861.Peer-Reviewed Original ResearchConceptscritical congenital heart defectsneonatal intensive care unitPediatric Health Information Systemneonatal intensive care unit admissioncongenital heart defectsopen cardiac surgerycardiac surgeryheart defectsconcomitant diagnosisneonatal intensive care unit populationPediatric Health Information System hospitalsdiagnosis of gastroschisisgeneral populationintensive care unitrate of gastroschisisabdominal wall defectsindex hospital admissionHigher Rateslive birthsgastroschisiscare unitneonateswall defectshospital admissionadmission
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Mailing Address
Yale School of Medicine
330 Cedar Street
New Haven, CT 06510
United States