The UC Davis Health Pediatric Surgery team has made significant strides in advancing medical knowledge and improving clinical outcomes through groundbreaking research and impactful publications. The department’s commitment to innovation, collaboration, and evidence-based practice has led to numerous contributions that have shaped the field. Below is a summary of some of the most notable achievements in research and scholarly work.

Erin Brown, M.D.

Farmer DL, Stain SC, Ellison EC, Flynn TC, Freischlag JA, Matthews JB, Newman RW, Chen X, Stefanidis D, Britt LD, Buyske J, Fisher K, Sachdeva AK, Turner PL; Blue Ribbon Committee II. Ann Surg. The Blue Ribbon Committee II Report and Recommendations on Surgical Education and Training in the United States: 2024. 2024 Oct 1;280(4):535-546. doi: 10.1097/SLA.0000000000006360. Epub 2024 May 29.

Brown EG, AlKhazal A, Chohan S, Ross DJ, Kim J.  Front Oncol. 2025 Mar; 15:1-17. Emerging clinical and research approaches in targeted therapies for high-risk neuroblastoma.  Pediatric Trauma Transfer Patients Have Low Rates of Additional Traumatic Injuries. Lee SY, ***, Brown EG. Amer J Surg, accepted Feb 2025.

Brown EG, Nofi, C, Roberts, B, et al.  J Pediatr Surg. Social Determinants of Health Influence on Survival in Wilms Tumor, Neuroblastoma, and Hepatoblastoma. 2025 Jan 30;60(4):162216. 

Brown EG, Balis F, Green DM, Armstrong A, Aye J, Benedetti D, Brown B, Cook S, Desai A, Dhillon J, Fair D, Geynisman DM, Hiniker S, Jasty-Rao R, Just M, Kieran K, Lin C, MacEwan I, Martinez-Agosto J, Mullen E, Murphy ES, Ranalli M, Rhee D, Rokitka D, Tracy E, Vern-Gross T, Walsh MF, Walz A, Wickiser J, Yoon J, Zapala M, Montgomery S, Kumar R, Sliker B. Accessed 7/15/24.  NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) for Wilms Tumor V.1.2024.  To view the most recent and complete version of the guideline, go online to NCCN.org.

Brown EG, ES Adkins, P Mattei, et al J Pediatr Surg. Evaluation of Image-Defined Risk Factor (IDRF) Assessment in Patients with Intermediate-Risk Neuroblastoma: A report from the Children’s Oncology Group study ANBL0531.  2024 Sep 6:161896.

Brown EG, Doyle, K; Sutter, M; Rodriguez, M; Hassan, AE; Kumar, P.J Pediatr Surg. A Comparison of in vivo Tumor-Homing Abilities of Placental-Derived and Bone Marrow-Derived Mesenchymal Stromal Cells in High-Risk Neuroblastoma.  2024 Sep 21:161954.

Brown EG, Teke, M. J Pediatr Surg. A Comparison of Commonly Utilized Diagnostic Biopsy Techniques for Pediatric Patients with Cancer: A Systematic Review by the APSA Cancer Committee. 2024 Aug;59(8):1427-1443.

Jamie Anderson, M.D.

Anderson JE, Zern NK, Calhoun KE, Wood DE, Smith CA. Assessment of potential gender bias in general surgery resident milestone evaluations. JAMA Surg. 2022 Oct 12;e223929. Doi: https://pubmed.ncbi.nlm.nih.gov/36223104/ 

Anderson JE, Galganski LA, Pivetti CD, Ma B, Farmer DL, Hirose S. Fetal repair of surgically-created gastroschisis in a lamb model may improve postnatal feeding tolerance and intestinal motility: a pilot study. J Peds Surg. 2019 Oct:54(10):P2061-2068. https://doi.org/10.1016/j.jpedsurg.2018.11.021 

Anderson JE, Galganski LA, Cheng Y, Stark RA, Saadai P, Stephenson JT, Hirose S.  Epidemiology of gastroschisis: a population-based study in California from 1995-2012.  J Pediatr Surg. 2018 Dec;53(12):2399-2403. https://doi.org/10.1016/j.jpedsurg.2018.08.035 

Anderson JE, Stark RA, Saadai P, Hirose S.  Association of procedures and patient factors with 30-day readmission rates after pediatric surgery.  JAMA Surg.  2017 Oct 1;152(10):980-981.

Anderson JE, Bickler SW, Chang DC, Talamini MA.  Examining a Common Surgical Disease with Unknown Etiology: Trends in Epidemiology and Surgical Management of Appendicitis in California, 1995-2009.  World Journal of Surgery. 2012 Dec;36(12):2787-94.

Minna Wieck, M.D.

Wieck MM, Hassan M. Disparities in the Expansion of Telemedicine in Pediatric Specialty Care Through the COVID-19 Pandemic and Beyond. Surgery in Practice and Science 

Wieck MM, Khader J, de Lozoiga E, Johns A. Pediatric Magnet Ingestion Persists Worldwide Despite Increasing Regulatory Policies. Injury Prevention. 2025 Feb

Wieck MM, Gaeta ED, Gilbert M, Johns A, Jurkovich GJ. Effects of Mentorship on Surgery Residents' Burnout and Well-Being: A Scoping Review. J Surg Educ. 2024 Nov;81(11):1592-1601. doi: 10.1016/j.jsurg.2024.08.001. Epub 2024 Sep 10. PMID: 39260037.

Wieck MM, Fall F, Hu YY, Walker S, Baertschiger R, Gaffar I, Saltzman D, Stylianos S, Shapiro J, Buchmiller T, Brandt ML, Tracy T, Heiss K, Berman L. Peer Support to Promote Surgeon Well-being: The APSA Program Experience. J Pediatr Surg. 2024 Jan 6:S0022-3468(23)00792-3

Wieck MM, Doyle K, Murray T, Fong IC, Chavez A, Rounds G, Linenberger M. Building a Culture of Support at a Pediatric Surgery Center Through Multidisciplinary Peer Support. J Surg Res. 2023 Nov;291:90-96.

Payam Saadai, M.D.

Saadai P, Lee SY, Jackson JE, Hassan AS, Kurzrock EA, McLennan A, Hirose S, Fetal Diagn Ther. Prenatal Rupture of Hydrocolpos in a Cloacal Malformation. 2023;50(3):158-164. doi: 10.1159/000530438. Epub 2023 Apr 21.PMID: 37088075

Saadai P, Jackson JE, Rajasekar G, Vukcevich O, Coakley BA, Nuño M, J Surg Res. Association Between Race, Gender, and Pediatric Postoperative Outcomes: An Updated Retrospective Review. 2023 Jan;281:112-121. doi: 10.1016/j.jss.2022.08.027. Epub 2022 Sep 22.PMID: 36155268 

Saadai P, Trappey AF, Langer JL.Eur J Pediatr Surg. Surgical Management of Rectal Prolapse in Infants and Children. 2020 Oct;30(5):401-405. doi: 10.1055/s-0040-1716725. Epub 2020 Sep 13.PMID: 32920799 

Saadai P, Galganski LA, Hirose S, J Pediatr Surg Case Rep. 2019 Jan;40:47-49. Resection of a thoracoabdominal ganglioneuroma via a retroperitoneal minimally invasive approach. doi: 10.1016/j.epsc.2018.10.012. Epub 2018 Oct 25.PMID: 31745453 

Saadai P, Trappey AF, Goldstein AM, Cowles RA, De La Torre L, Durham MM, Huang EY, Levitt MA, Rialon K, Rollins M, Rothstein DH, Langer JC; American Pediatric Surgical Association Hirschsprung Disease Interest Group.Pediatr Surg Int. Guidelines for the management of postoperative soiling in children with Hirschsprung disease. 2019 Aug;35(8):829-834. doi: 10.1007/s00383-019-04497-y. Epub 2019 Jun 14.PMID: 31201486

More publications HERE

Jonathan Kohler, M.D.

Kohler JE, Fraser JD, Deans KJ, Fallat ME, Helmrath MA, Kabre R, Leys CM, Burns RC, Corkum K, Dillon PA, Downard CD, Gadepalli SK, Grabowski JE, Hernandez E, Hirschl RB, Johnson KN, Landman MP, Landisch RM, Lawrence AE, Mak GZ, Minneci PC, Rymeski B, Sato TT, Scannell M, Slater BJ, Wilkinson KH, Wright TN, St Peter SD; Midwest Pediatric Surgery Consortium. Sutureless vs sutured abdominal wall closure for gastroschisis: Operative characteristics and early outcomes from the Midwest Pediatric Surgery Consortium. J Pediatr Surg. 2020 Nov;55(11):2284-2288. doi:10.1016/j.jpedsurg.2020.02.017. Epub 2020 Feb 20. PMID:32151403.

Kohler JE, Bence CM, Rymeski B, Gadepalli S, Sato TT, Minneci PC, Downard C, Hirschl RB, Amin RA, Burns RC, Cherney-Stafford L, Courtney CM, Deans KJ, Fallat ME, Fraser JD, Grabowski JE, Helmrath MA, Kabre RD, Landman MP, Lawrence AE, Leys CM, Mak GZ, Port E, Saito JM, Silverberg J, Slidell MB, St Peter SD, Troutt M, Walker S, Wright T, Lal DR; Midwest Pediatric Surgery Consortium. Clinical outcomes following implementation of a management bundle for esophageal atresia with distal tracheoesophageal fistula. J Pediatr Surg. 2020 Oct 6:S0022-3468(20)30698-9. doi:10.1016/j.jpedsurg.2020.09.049. Online ahead of print. PMID:33131776.

Kohler JE, Cathers AD, Forsythe J, Sippel N, Williamson C, Brazelton TB, Steuerwald MT. Tranexamic Acid Use in Pediatric Hemorrhagic Shock From Farm-Related Trauma: A Case Report. Air Med J. 2020 Sep-Oct;39(5):414-416. doi:10.1016/j.amj.2020.06.008. Epub 2020 Jul 10. PMID:33012482.

Kohler JE, Minneci PC, Hade EM, Lawrence AE, Sebastião YV, Saito JM, Mak GZ, Fox C, Hirschl RB, Gadepalli S, Helmrath MA, Leys CM, Sato TT, Lal DR, Landman MP, Kabre R, Fallat ME, Cooper JN, Deans KJ; Midwest Pediatric Surgery Consortium. Association of Nonoperative Management Using Antibiotic Therapy vs Laparoscopic Appendectomy With Treatment Success and Disability Days in Children With Uncomplicated Appendicitis. JAMA. 2020 Aug 11;324(6):581-593. doi:10.1001/jama.2020.10888. PMID:32730561.

Kohler JE, Cartmill RS, Kalbfell E, Schumacher J. Continued Prescribing of Periprocedural Codeine and Tramadol to Children after a Black Box Warning. J Surg Res. 2020 Jul 18;256:131-135. doi:10.1016/j.jss.2020.06.023. Online ahead of print. PMID:32693330.

Kohler JE, Cartmill RS, Yang DY, Fernandes-Taylor S, Greenberg CC. Age-Dependent Costs and Complications in Pediatric Umbilical Hernia Repair. J Pediatr. 2020 Jul 3:S0022-3476(20)30851-9. doi:10.1016/j.jpeds.2020.07.008. Online ahead of print. PMID:32629008.

Kohler JE, Wooldridge AR, Carayon P, Hoonakker P, Hose BZ, Eithun B, Brazelton T 3rd, Ross J, Kelly MM, Dean SM, Rusy D, Gurses AP. Work system barriers and facilitators in inpatient care transitions of pediatric trauma patients. Appl Ergon. 2020 May;85:103059. doi:10.1016/j.apergo.2020.103059. Epub 2020 Feb 12. PMID:32174347.

Kohler JE, Leys CM, Hirschl RB, Cherney-Stafford L, Marka N, Fallat ME, Gadepalli SK, Fraser JD, Grabowski J, Burns RC, Downard CD, Foley DS, Halleran DR, Helmrath MA, Kabre R, Knezevich MS, Lal DR, Landman MP, Lawrence AE, Mak GZ, Minneci PC, Musili N, Rymeski B, Saito JM, Sato TT, St Peter SD, Warner BW, Ostlie DJ; Midwest Pediatric Surgery Consortium MWPSC. Changing the Paradigm for Management of Pediatric Primary Spontaneous Pneumothorax: A Simple Aspiration Test Predicts Need for Operation. J Pediatr Surg. 2020 Jan;55(1):169-175. doi:10.1016/j.jpedsurg.2019.09.043. Epub 2019 Oct 24. PMID:31706614.

Kohler JE, Nichol PF, Cartmill RS. Need for Consensus Guidelines in Pediatric Umbilical Hernia Repair. JAMA Pediatr. 2019 Sep 30. doi:10.1001/jamapediatrics.2019.3414. Online ahead of print. PMID:31566667.

Kohler JE, Riedesel EL, Weber BC, Shore MW, Cartmill RS, Ostlie DJ, Leys CM, Gill KG. Diagnostic performance of standardized ultrasound protocol for detecting perforation in pediatric appendicitis. Pediatr Radiol. 2019 Dec;49(13):1726-1734. doi:10.1007/s00247-019-04475-5. Epub 2019 Jul 24. PMID:31342129.