Medical College of Wisconsin
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Katherine T. Flynn-O'Brien MD

Katherine T. Flynn-O'Brien MD profile photo picture

Associate Professor

Institution: Medical College of Wisconsin
Department: Surgery
Division: Surgery Pediatric Congenital Heart

Publications (50)

  • Systems-Based Care of the Injured Child: Technical Report. (Flynn-O'Brien KT, Srinivasan V, Fallat ME) J Trauma Nurs 2025 Sep-Oct 01;32(5):227-251 PMID: 40938359 SCOPUS ID: 2-s2.0-105015600264 09/12/2025    
  • Systems-Based Care of the Injured Child: Policy Statement. (Flynn-O'Brien KT, Srinivasan V, Fallat ME) J Trauma Nurs 2025 Sep-Oct 01;32(5):220-226 PMID: 40938358 SCOPUS ID: 2-s2.0-105015803849 09/12/2025    
  • Systems-based care of the injured child: Technical report. (Flynn-O'Brien KT, Srinivasan V, Fallat ME) J Trauma Acute Care Surg 2025 Sep 01;99(3):e23-e41 PMID: 40842058 PMCID: PMC12363331 SCOPUS ID: 2-s2.0-105013557890 08/22/2025    
  • Systems-based care of the injured child: Policy statement. (Flynn-O'Brien KT, Srinivasan V, Fallat ME) J Trauma Acute Care Surg 2025 Sep 01;99(3):351-356 PMID: 40842056 SCOPUS ID: 2-s2.0-105013553730 08/22/2025    
  • Systems-Based Care of the Injured Child: Technical Report. (Flynn-O'Brien KT, Srinivasan V, Fallat ME, Committee on Pediatric Emergency Medicine, Council on Injury, Violence, and Poison Prevention, Section on Critical Care, Section on Surgery, Section on Transport Medicine, Pediatric Trauma Society, Society of Trauma Nurses, Pediatric Committee) Pediatrics 2025 Sep 01;156(3) PMID: 40819837 SCOPUS ID: 2-s2.0-105013557890 08/18/2025    
  • Systems-Based Care of the Injured Child: Policy Statement. (Flynn-O'Brien KT, Srinivasan V, Fallat ME, Committee on Pediatric Emergency Medicine, Council on Injury, Violence, and Poison Prevention, Section on Critical Care, Section on Surgery, Section on Transport Medicine, PEDIATRIC TRAUMA SOCIETY, SOCIETY OF TRAUMA NURSES, Pediatric Committee) Pediatrics 2025 Sep 01;156(3) PMID: 40819832 SCOPUS ID: 2-s2.0-105014653455 08/18/2025    
  • Implementation of a Contrast Challenge Algorithm for Adhesive Small Bowel Obstructions in Children: A Prospective, Multi-Institutional Study. (Speck KE, Shah NR, Van Arendonk K, Rubalcava NS, Hirschl RB, Goldstein SD, Leys C, Markel TA, Rymeski B, Wright T, Matusko N, Ayala SA, Bergus KC, Carter SR, Collings A, Downard CD, Flynn-O'Brien KT, Georgeades C, Lal DR, Halaweish IF, Joshi D, Mak G, Mannava SV, Saylors SA, Trinidad S, Yeh A, Zeineddin S, Minneci PC) Ann Surg 2025 Jun 09 PMID: 40485473 SCOPUS ID: 2-s2.0-105008245518 06/09/2025       1 Citation
  • Response to Letter to the Editor Concerning "Caregivers and Clinic Providers View Soft Casts for Pediatric Hand Burns as Acceptable and Feasible: A Mixed Methods Survey". (Schuh JM, Shaman LL, Flynn-O'Brien KT) J Burn Care Res 2025 Aug 30;46(4):934 PMID: 40272210 SCOPUS ID: 2-s2.0-105014800089 04/24/2025    
  • Rural General Surgeons' Perspectives Regarding the Provision of Surgical Care to Children. (SenthilKumar G, Flynn-O'Brien KT, Fallat M, Van Arendonk KJ) J Surg Educ 2025 May;82(5):103471 PMID: 40056571 SCOPUS ID: 2-s2.0-86000152224 03/09/2025    
  • Mental health sequelae of violent injury in children: a review. (Schuh JM, Molitor SJ, Wilson DJ, Marik PK, Fischer E, Calkins CM, Flynn-O'Brien KT) Pediatr Surg Int 2025 Mar 04;41(1):90 PMID: 40035844 SCOPUS ID: 2-s2.0-86000086824 03/04/2025    
  • Understanding Impostorism in the Pediatric Surgeon. (Marin C, Byrne MM, Choi PM, Flynn O'Brien KT, Zagory J, Henry MC, Wilson NA) J Surg Educ 2025 Jan;82(1):103347 PMID: 39546959 SCOPUS ID: 2-s2.0-85208925167 11/16/2024       1 Citation
  • Interfacility Transfer of Children With Time-Sensitive Surgical Conditions, 2002-2017. (Van Arendonk KJ, Tracy ET, Ellison JS, Flynn-O'Brien KT, Gadepalli SK, Goldin AB, Hall M, Leraas HJ, Ricca RL, Ehrlich PF) JAMA Netw Open 2024 Oct 01;7(10):e2440251 PMID: 39418018 PMCID: PMC11581541 SCOPUS ID: 2-s2.0-85206959997 10/17/2024       5 Citations
  • Preinjury and Event-Related Characteristics of Pediatric Firearm Injuries: The American College of Surgeons Firearm Study, United States, March 2021‒February 2022. (Flynn-O'Brien KT, Sathya C, Kotagal M, Banks S, Agoubi LL, Kuhls DA, Nathens A, Hink AB, Rivara FP) Am J Public Health 2024 Oct;114(10):1097-1109 PMID: 39146518 PMCID: PMC11375371 SCOPUS ID: 2-s2.0-85203259523 08/15/2024       5 Citations
  • Caregivers and Clinic Providers View Soft Casts for Pediatric Hand Burns as Acceptable and Feasible: A Mixed Methods Survey. (Schuh JM, Linzell LL, Abebrese EL, Flynn-O'Brien KT) J Burn Care Res 2024 Nov 14;45(6):1413-1422 PMID: 38984771 SCOPUS ID: 2-s2.0-85209708385 07/10/2024    
  • Relationship between the COVID-19 pandemic and structural inequalities within the pediatric trauma population. (Georgeades C, Collings AT, Farazi M, Bergner C, Fallat ME, Minneci PC, Speck KE, Van Arendonk KJ, Deans KJ, Falcone RA Jr, Foley DS, Fraser JD, Gadepalli SK, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava NS, St Peter SD, Sato TT, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium (MWPSC)) Inj Epidemiol 2023 Nov 28;10(Suppl 1):62 PMID: 38017506 PMCID: PMC10683076 SCOPUS ID: 2-s2.0-85178019598 11/29/2023       5 Citations
  • Management of pediatric renal trauma: Results from the American Association for Surgery and Trauma Multi-Institutional Pediatric Acute Renal Trauma Study. (Hwang CK, Matta R, Woolstenhulme J, Britt AK, Schaeffer AJ, Zakaluzny SA, Kleber KT, Sheikali A, Flynn-O'Brien KT, Sandilos G, Shimonovich S, Fox N, Hess AB, Zeller KA, Koberlein GC, Levy BE, Draus JM Jr, Sacks M, Chen C, Luo-Owen X, Stephens JR, Shah M, Burks F, Moses RA, Rezaee ME, Vemulakonda VM, Halstead NV, LaCouture HM, Nabavizadeh B, Copp H, Breyer B, Schwartz I, Feia K, Pagliara T, Shi J, Neuville P, Hagedorn JC) J Trauma Acute Care Surg 2024 May 01;96(5):805-812 PMID: 37966460 SCOPUS ID: 2-s2.0-85191602215 11/15/2023       6 Citations
  • Pediatric Surgery Firearm Injury Collaborative Symposium. (Henry MC, Ehrlich PF, Flynn O'Brien KT, Griggs C, Hartman HA, Kotagal M, Masiakos P, Naik-Mathuri B, Sathya C, Stevens J, Thomas A, Trinidad S, Williams R, Campbell BT) J Pediatr Surg 2024 Jan;59(1):68-73 PMID: 37875380 SCOPUS ID: 2-s2.0-85174717777 10/25/2023       3 Citations
  • Emergency department thoracotomy in children: A Pediatric Trauma Society, Western Trauma Association, and Eastern Association for the Surgery of Trauma systematic review and practice management guideline. (Selesner L, Yorkgitis B, Martin M, Ng G, Mukherjee K, Ignacio R, Freeman J, Wong LY, Durbin S, Crandall M, Longshore SW, Gerall C, Flynn-O'Brien KT, Jafri M) J Trauma Acute Care Surg 2023 Sep 01;95(3):432-441 PMID: 37608453 SCOPUS ID: 2-s2.0-85168779824 08/23/2023       11 Citations
  • Characteristics and neighborhood-level opportunity of assault-injured children in Milwaukee. (Georgeades C, Farazi M, Bergner C, Bowder A, Cassidy L, Levas MN, Nimmer M, Flynn-O'Brien KT) Inj Epidemiol 2023 Aug 21;10(Suppl 1):43 PMID: 37605186 PMCID: PMC10441698 SCOPUS ID: 2-s2.0-85168468862 08/22/2023       7 Citations
  • Changing Landscape of Routine Pediatric Surgery for Rural and Urban Children: A Report From the Child Health Evaluation of Surgical Services (CHESS) Group. (Gadepalli SK, Leraas HJ, Flynn-O'Brien KT, Van Arendonk KJ, Hall M, Tracy ET, Ricca RL, Goldin AB, Ehrlich PF) Ann Surg 2023 Oct 01;278(4):530-537 PMID: 37497661 SCOPUS ID: 2-s2.0-85170294512 07/27/2023       12 Citations
  • The Effects of the COVID-19 Pandemic on Violent Injuries in Children: A Literature Review. (Georgeades C, Flynn-O'Brien KT) Adv Pediatr 2023 Aug;70(1):17-44 PMID: 37422294 PMCID: PMC10070782 SCOPUS ID: 2-s2.0-85163347805 07/09/2023       9 Citations
  • Pediatric emergency resuscitative thoracotomy: A Western Trauma Association, Pediatric Trauma Society, and Eastern Association for the Surgery of Trauma collaborative critical decisions algorithm. (Martin MJ, Brasel KJ, Brown CVR, Hartwell JL, de Moya M, Inaba K, Ley EJ, Moore EE, Peck KA, Rizzo AG, Rosen NG, Weinberg JA, Coimbra R, Crandall M, Mukherjee K, Ignacio R, Longshore S, Flynn-O'Brien KT, Ng G, Selesner L, Jafri M) J Trauma Acute Care Surg 2023 Oct 01;95(4):583-591 PMID: 37337331 SCOPUS ID: 2-s2.0-85172033980 06/20/2023       9 Citations
  • Factors Associated with Hospital Readmission One Year Post-Discharge in Infants with Gastroschisis. (Marquart JP, Mukherjee D, Canales BN, Flynn-O'Brien KT, Szabo A, Wagner AJ) Fetal Diagn Ther 2023;50(5):344-352 PMID: 37285815 SCOPUS ID: 2-s2.0-85176006526 06/08/2023       4 Citations
  • Evaluating the Regional Differences in Pediatric Injury Patterns During the COVID-19 Pandemic. (Collings AT, Farazi M, Van Arendonk KJ, Fallat ME, Minneci PC, Sato TT, Speck KE, Gadepalli S, Deans KJ, Falcone RA Jr, Foley DS, Fraser JD, Keller MS, Kotagal M, Landman MP, Leys CM, Markel T, Rubalcava N, St Peter SD, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium) J Surg Res 2023 Sep;289:61-68 PMID: 37086597 PMCID: PMC10033255 SCOPUS ID: 2-s2.0-85153519919 04/23/2023       1 Citation
  • Distribution of acute appendicitis care in children: A statewide assessment of the surgeons and facilities providing surgical care. (Georgeades C, Farazi MR, Gainer H, Flynn-O'Brien KT, Leys CM, Gourlay D, Van Arendonk KJ) Surgery 2023 Mar;173(3):765-773 PMID: 36244816 SCOPUS ID: 2-s2.0-85147838070 10/17/2022       6 Citations
  • Pediatric Injury Transfer Patterns During the COVID-19 Pandemic: An Interrupted time Series Analysis. (Flynn-O'Brien KT, Collings AT, Farazi M, Fallat ME, Minneci PC, Speck KE, Van Arendonk K, Deans KJ, Falcone RA Jr, Foley DS, Fraser JD, Gadepalli S, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava N, St Peter SD, Sato TT, Midwest Pediatric Surgery Consortium) J Surg Res 2023 Jan;281:130-142 PMID: 36155270 PMCID: PMC9424522 SCOPUS ID: 2-s2.0-85138501313 09/27/2022       11 Citations
  • Pediatric injury trends and relationships with social vulnerability during the COVID-19 pandemic: A multi-institutional analysis. (Flynn-O'Brien KT, Collings AT, Farazi M, Fallat ME, Minneci PC, Speck KE, Van Arendonk K, Deans KJ, Falcone RA Jr, Foley DS, Fraser JD, Gadepalli S, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava N, St Peter SD, Sato TT, Midwest Pediatric Surgery Consortium) J Trauma Acute Care Surg 2023 Jan 01;94(1):133-140 PMID: 35995783 PMCID: PMC9812296 SCOPUS ID: 2-s2.0-85145425785 08/23/2022       23 Citations
  • A Multi-institutional Study Evaluating Pediatric Burn Injuries During the COVID-19 Pandemic. (Georgeades CM, Collings AT, Farazi M, Fallat ME, Minneci PC, Sato TT, Speck KE, Van Arendonk K, Deans KJ, Falcone RA, Foley DS, Fraser J, Gadepalli S, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava N, St Peter SD, Flynn-O'Brien KT) J Burn Care Res 2023 Mar 02;44(2):399-407 PMID: 35985296 PMCID: PMC9452075 SCOPUS ID: 2-s2.0-85149427938 08/20/2022       14 Citations
  • The COVID-19 pandemic and associated rise in pediatric firearm injuries: A multi-institutional study. (Collings AT, Farazi M, Van Arendonk KJ, Fallat ME, Minneci PC, Sato TT, Speck KE, Deans KJ, Falcone RA Jr, Foley DS, Fraser JD, Gadepalli SK, Keller MS, Kotagal M, Landman MP, Leys CM, Markel TA, Rubalcava N, St Peter SD, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium) J Pediatr Surg 2022 Jul;57(7):1370-1376 PMID: 35501165 PMCID: PMC9001175 SCOPUS ID: 2-s2.0-85131902548 05/03/2022       43 Citations
  • Impact of "Stay-at-Home" orders on non-accidental trauma: A multi-institutional study. (Collings AT, Farazi M, Van Arendonk K, Fallat ME, Minneci PC, Sato TT, Speck KE, Deans KJ, Falcone RA, Foley DS, Fraser JD, Keller MS, Kotagal M, Landman MP, Leys CM, Markel T, Rubalcava N, St Peter SD, Flynn-O'Brien KT, Midwest Pediatric Surgery Consortium) J Pediatr Surg 2022 Jun;57(6):1062-1066 PMID: 35292165 PMCID: PMC8842346 SCOPUS ID: 2-s2.0-85126764798 03/17/2022       19 Citations
  • Paraduodenal Hernia: A Rare Cause of Small Bowel Obstruction. (Gosalvez-Tejada A, Blank JJ, Flynn-O'Brien KT, Vo NN, Gourlay DM, Chugh AA) JPGN Rep 2022 Feb;3(1):e170 PMID: 37168754 PMCID: PMC10158419 01/14/2022    
  • Factors associated with physical violence against children in Haiti: a national population-based cross-sectional survey. (Flynn-O'Brien KT, Rivara FP) Int J Inj Contr Saf Promot 2022 Mar;29(1):66-75 PMID: 34758707 PMCID: PMC10537557 SCOPUS ID: 2-s2.0-85119209524 11/12/2021       2 Citations
  • Outcomes of gastrostomy placement with and without concomitant tracheostomy among ventilator dependent children. (Bence CM, Salazar JH, Flynn-O'Brien KT, Mokdad AA, Gourlay DM, Van Arendonk KJ) J Pediatr Surg 2021 Jul;56(7):1222-1226 PMID: 33863556 SCOPUS ID: 2-s2.0-85104490488 04/18/2021       4 Citations
  • Identifying Maltreatment in Infants and Young Children Presenting With Fractures: Does Age Matter? (Mitchell IC, Norat BJ, Auerbach M, Bressler CJ, Como JJ, Escobar MA Jr, Flynn-O'Brien KT, Lindberg DM, Nickoles T, Rosado N, Weeks K, Maguire S) Acad Emerg Med 2021 Jan;28(1):5-18 PMID: 32888348 SCOPUS ID: 2-s2.0-85099958595 09/06/2020       13 Citations
  • Six Sigma Methodology and Postoperative Information Reporting: A Multidisciplinary Quality Improvement Study With Interrupted Time-Series Regression. (Shah AC, Herstein AR, Flynn-O'Brien KT, Oh DC, Xue AH, Flanagan MR) J Surg Educ 2019;76(4):1048-1067 PMID: 30954426 SCOPUS ID: 2-s2.0-85063742685 04/08/2019       8 Citations
  • Health outcomes and the healthcare and societal cost of optimizing pediatric surgical care in the United States. (Flynn-O'Brien KT, Richards MK, Wright DR, Rivara FP, Haaland W, Thompson L, Oldham K, Goldin A) J Pediatr Surg 2019 Apr;54(4):621-627 PMID: 30598246 PMCID: PMC6511280 SCOPUS ID: 2-s2.0-85059113810 01/02/2019       9 Citations
  • Enteral Nutrition Initiation in Children Admitted to Pediatric Intensive Care Units After Traumatic Brain Injury. (Balakrishnan B, Flynn-O'Brien KT, Simpson PM, Dasgupta M, Hanson SJ) Neurocrit Care 2019 Feb;30(1):193-200 PMID: 30171446 SCOPUS ID: 2-s2.0-85053395251 09/02/2018       28 Citations
  • Multicenter Review of Current Practices Associated With Venous Thromboembolism Prophylaxis in Pediatric Patients After Trauma. (Bigelow AM, Flynn-O'Brien KT, Simpson PM, Dasgupta M, Hanson SJ) Pediatr Crit Care Med 2018 Sep;19(9):e448-e454 PMID: 29912812 PMCID: PMC6123256 SCOPUS ID: 2-s2.0-85067104828 06/19/2018       21 Citations
  • Costal Margin Tenderness and the Risk for Intraabdominal Injuries in Children With Blunt Abdominal Trauma. (Flynn-O'Brien KT, Kuppermann N, Holmes JF) Acad Emerg Med 2018 Jul;25(7):776-784 PMID: 29654622 PMCID: PMC6105399 SCOPUS ID: 2-s2.0-85047509270 04/15/2018       5 Citations
  • The association of nonaccidental trauma with historical factors, examination findings, and diagnostic testing during the initial trauma evaluation. (Escobar MA Jr, Flynn-OʼBrien KT, Auerbach M, Tiyyagura G, Borgman MA, Duffy SJ, Falcone KS, Burke RV, Cox JM, Maguire SA) J Trauma Acute Care Surg 2017 Jun;82(6):1147-1157 PMID: 28520688 SCOPUS ID: 2-s2.0-85016211159 05/19/2017       24 Citations
  • Pediatric Trauma Assessment and Management Database: Leveraging Existing Data Systems to Predict Mortality and Functional Status after Pediatric Injury. (Flynn-O'Brien KT, Fallat ME, Rice TB, Gall CM, Nance ML, Upperman JS, Gourlay DM, Crow JP, Rivara FP) J Am Coll Surg 2017 May;224(5):933-944e5 PMID: 28235647 PMCID: PMC6475528 SCOPUS ID: 2-s2.0-85016070243 02/27/2017       11 Citations
  • Injury patterns and health outcomes among pregnant women seeking emergency medical care in Kumasi, Ghana: Challenges and opportunities to improve care. (Osei-Ampofo M, Flynn-O'Brien KT, Owusu-Dabo E, Otupiri E, Oduro G, Donkor P, Mock C, Ebel BE) Afr J Emerg Med 2016 Jun;6(2):87-93 PMID: 30456072 PMCID: PMC6233248 SCOPUS ID: 2-s2.0-84971229217 06/01/2016       4 Citations
  • Prevalence of physical violence against children in Haiti: A national population-based cross-sectional survey. (Flynn-O'Brien KT, Rivara FP, Weiss NS, Lea VA, Marcelin LH, Vertefeuille J, Mercy JA) Child Abuse Negl 2016 Jan;51:154-62 PMID: 26612595 PMCID: PMC5928512 SCOPUS ID: 2-s2.0-84952767718 11/28/2015       28 Citations
  • Mortality after emergency department thoracotomy for pediatric blunt trauma: Analysis of the National Trauma Data Bank 2007-2012. (Flynn-O'Brien KT, Stewart BT, Fallat ME, Maier RV, Arbabi S, Rivara FP, McIntyre LK) J Pediatr Surg 2016 Jan;51(1):163-7 PMID: 26577911 PMCID: PMC12458894 SCOPUS ID: 2-s2.0-84952990685 11/19/2015       19 Citations
  • Surgery for children in low-income countries affected by humanitarian emergencies from 2008 to 2014: The Médecins Sans Frontières Operations Centre Brussels experience. (Flynn-O'Brien KT, Trelles M, Dominguez L, Hassani GH, Akemani C, Naseer A, Ntawukiruwabo IB, Kushner AL, Rothstein DH, Stewart BT) J Pediatr Surg 2016 Apr;51(4):659-69 PMID: 26454469 PMCID: PMC5860656 SCOPUS ID: 2-s2.0-84951039485 10/12/2015       14 Citations
  • Variability in the structure and care processes for critically injured children: A multicenter survey of trauma bay and intensive care units. (Flynn-O'Brien KT, Thompson LL, Gall CM, Fallat ME, Rice TB, Rivara FP) J Pediatr Surg 2016 Mar;51(3):490-8 PMID: 26452704 PMCID: PMC12766855 SCOPUS ID: 2-s2.0-84960092441 10/11/2015       7 Citations
  • Surgery and Medicine Residents' Perspectives of Morbidity and Mortality Conference: An Interdisciplinary Approach to Improve ACGME Core Competency Compliance. (Flynn-O'Brien KT, Mandell SP, Eaton EV, Schleyer AM, McIntyre LK) J Surg Educ 2015;72(6):e258-66 PMID: 26143516 PMCID: PMC12679269 SCOPUS ID: 2-s2.0-84933574689 07/06/2015       38 Citations
  • Temporal trends in surgical intervention for severe traumatic brain injury caused by extra-axial hemorrhage, 1995 to 2012. (Flynn-OʼBrien KT, Fawcett VJ, Nixon ZA, Rivara FP, Davidson GH, Chesnut RM, Ellenbogen RG, Vavilala MS, Bulger EM, Maier RV, Arbabi S) Neurosurgery 2015 Apr;76(4):451-60 PMID: 25710105 SCOPUS ID: 2-s2.0-84925013696 02/25/2015       12 Citations
  • Risk factors for unplanned readmissions in older adult trauma patients in Washington State: a competing risk analysis. (Fawcett VJ, Flynn-O'Brien KT, Shorter Z, Davidson GH, Bulger E, Rivara FP, Arbabi S) J Am Coll Surg 2015 Mar;220(3):330-8 PMID: 25542280 PMCID: PMC10288621 SCOPUS ID: 2-s2.0-84923259845 12/30/2014       38 Citations
  • Predictors of attrition and weight loss in an adolescent weight control program. (Jelalian E, Hart CN, Mehlenbeck RS, Lloyd-Richardson EE, Kaplan JD, Flynn-O'Brien KT, Wing RR) Obesity (Silver Spring) 2008 Jun;16(6):1318-23 PMID: 18356834 SCOPUS ID: 2-s2.0-44449150649 03/22/2008       119 Citations
    • Last update: 11/13/2025