Medical College of Wisconsin
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Sydney Timmer-Murillo PhD

Sydney Timmer-Murillo PhD profile photo picture

Assistant Professor

Institution: Medical College of Wisconsin
Department: Surgery
Division: Trauma and Critical Care


Publications (35)

  • Depression, Anxiety, and posttraumatic Stress Disorder After Traumatic Injury: A Temporal Retrospective Cohort Study. (Pearson LR, Timmer-Murillo SC, Schroeder ME, deRoon-Cassini TA, Holena DN) J Surg Res 2025 Dec;316:135-142 PMID: 41317590 SCOPUS ID: 2-s2.0-105024916990 11/30/2025    
  • Relationships among peri-traumatic circulating endocannabinoids and long-term, negative outcomes following traumatic injury. (Albertina EA, Tomas CW, Geier TJ, Timmer-Murillo SC, Pina IG, Jazinski-Chambers K, Sauber G, Fitzgerald JM, Larson CL, deRoon-Cassini TA, Hillard CJ) Psychopharmacology (Berl) 2025 Jul 11 PMID: 40643612 SCOPUS ID: 2-s2.0-105010584798 07/11/2025       1 Citation
  • Unveiling the economic value of equitable care for the traumatically injured: is it cost-effective to decrease trauma disparities? (Soltani T, Robles AJ, Stadeli KM, Timmer-Murillo S, Strong BL, Villarreal CL, Rakhit S, Ho VP, Price MA, Jain A, West MA, Summit on the Advancement of Focused Equity Research in Trauma (SAFER-Trauma) Group) Trauma Surg Acute Care Open 2025;10(Suppl 4):e001470 PMID: 40584753 PMCID: PMC12198814 SCOPUS ID: 2-s2.0-105009390163 07/01/2025       3 Citations
  • Innovative approaches to equity research in trauma: current work and aspirations from the Summit on the Advancement of Focused Equity Research in Trauma (SAFER-Trauma). (Stadeli KM, Soltani T, Strong BL, Robles AJ, Timmer-Murillo S, Cronn SE, Villarreal CL, Ho VP, West MA, Price MA, Jain A, Callcut RA, Summit on the Advancement of Focused Equity Research in Trauma (SAFER-Trauma) Group) Trauma Surg Acute Care Open 2025;10(Suppl 4):e001469 PMID: 40584752 PMCID: PMC12198790 SCOPUS ID: 2-s2.0-105009711545 07/01/2025       4 Citations
  • Trauma care disparities: is equity the key? Output from SAFER-Trauma. (Robles AJ, Timmer-Murillo S, Stadeli KM, Soltani T, Strong BL, Higgins J, Ho VP, Berry C, Cooper Z, Villarreal CL, Price MA, Research in Trauma (SAFER-Trauma) Group The Summit on the Advancement of Focused Equity) Trauma Surg Acute Care Open 2025;10(Suppl 4):e001450 PMID: 40584751 PMCID: PMC12198809 SCOPUS ID: 2-s2.0-105010033477 07/01/2025       4 Citations
  • Examining our lens: how bias heightens disparities in trauma research. (Timmer-Murillo S, Stadeli KM, Higgins J, Strong BL, Rakhit S, Fram BR, Hall GD, Robles AJ, Soltani T, Callcut RA, Ho VP, Villarreal CL, Price MA, Cronn SE, Summit on the Advancement of Focused Equity Research in Trauma (SAFER-Trauma) Group) Trauma Surg Acute Care Open 2025;10(Suppl 4):e001452 PMID: 40584750 PMCID: PMC12198817 SCOPUS ID: 2-s2.0-105010020675 07/01/2025       4 Citations
  • Access, delivery and outcomes: the summit on the advancement of Focused Equity Research in Trauma (SAFER-Trauma) (Villarreal CL, Price MA, Moreno AN, Bixby PJ, Tseng ES, Fram BR, Strong BL, Callcut RA, West MA, Ho VP, Betzold RD, Bixby PJ, Buehner MF, Castan L, Cronn S, deMoya MA, Duchesne JC, Fakhry SM, Fram BR, Hall GD, Higgins J, Ho VP, Jain A, Levi B, Moreno AN, Pierrie SN, Price MA, Rakhit S, Robles AJ, Sims C, Soltani T, Stadeli KM, Strong BL, Swain S, Timmer-Murillo S, Tseng ES, Villarreal CL, West MA, Zakrison TL) Trauma Surgery and Acute Care Open 25 June 2025;10(Suppl 4) SCOPUS ID: 2-s2.0-105009363109 06/25/2025       4 Citations
  • Social and environmental adversity predict poor mental health in a Milwaukee, WI community sample. (Tomas CW, Timmer-Murillo S, Vine K, Krukowski J, Purdle S, Janusiak J, Mantsch JR, Torres L, Harris J, deRoon-Cassini TA) Soc Sci Med 2025 May;373:118015 PMID: 40174521 SCOPUS ID: 2-s2.0-105001416255 04/03/2025       2 Citations
  • Perinatal Mental Health Disorders and Resilience in Patients with Fetal Anomalies. (Timmer-Murillo SC, Mowrer A, Rundell MR, Jazinski-Chambers K, Piña I, deRoon-Cassini TA, Wagner AJ) Am J Perinatol 2025 Aug;42(11):1461-1468 PMID: 39875115 SCOPUS ID: 2-s2.0-85216959897 01/29/2025       1 Citation
  • Firearm injury survivors report extreme high risk for poor physical and mental health outcomes early after hospital discharge necessitating multidisciplinary care. (Biesboer EA, Brandolino A, Tomas CW, Johnson IR, deRoon-Cassini T, Timmer-Murillo S, Schroeder ME, DeMoya M, Trevino C) Trauma Surg Acute Care Open 2025;10(1):e001336 PMID: 39845993 PMCID: PMC11749528 SCOPUS ID: 2-s2.0-85216416602 01/23/2025       2 Citations
  • Exploring the Effect of Counterstereotype and Perspective Taking in Reducing Bias and Promoting Empathy in Police (Timmer-Murillo SC, Kangas K, Gordon N) Race and Justice 2025 SCOPUS ID: 2-s2.0-105017066596 01/01/2025    
  • Pandemic-Related Stress Increases PTSD and Depression Risk in Traumatic Injury Patients: A Comparative Study of Pre- and Peri-Pandemic Trauma Cases. (Zapata JP, Tomas CW, Timmer-Murillo S, deRoon Cassini TA, Larson C, Torres L, Brandolino A, Geier T, Khan H, Schramm AT) Stress Health 2025 Apr;41(2):e3513 PMID: 39624980 PMCID: PMC11987568 SCOPUS ID: 2-s2.0-85211163033 12/03/2024    
  • Examining emotion regulation and inflammation as predictors of maternal mental health after fetal anomaly diagnosis. (Timmer-Murillo SC, Mowrer A, Wang AZ, Jazinski-Chambers K, Piña I, Rundell MR, Bennett JM, Wagner AJ, deRoon-Cassini TA) Brain Behav Immun 2024 Nov;122:1-8 PMID: 39106938 SCOPUS ID: 2-s2.0-85200812363 08/07/2024       4 Citations
  • Mapping Milwaukee's Blueprint for Peace: Evaluating the Geospatial Reach of a Cure Violence Implementation, 414LIFE. (Brandolino A, deRoon-Cassini TA, Nguyen P, Mann R, Timmer-Murillo S, de Moya M, Karam B, Schramm A, Moore R, Williams K, Pilarski A, McIntosh B, Milia DJ) WMJ 2024 Jul;123(3):166-171 PMID: 39024141 SCOPUS ID: 2-s2.0-85199126435 07/18/2024    
  • Examining the role of social vulnerability, neighborhood characteristics, and geospatial patterns of firearm-related injuries and clinical outcomes in Milwaukee county. (Tomas CW, Timmer-Murillo S, Kallies KJ, Snowden AJ, Borisy-Rudin F, Busalacchi M, Mackenzie R, Kostelac CA, Cassidy LD, deRoon-Cassini TA) Soc Sci Med 2024 Jul;352:117035 PMID: 38850675 SCOPUS ID: 2-s2.0-85195188628 06/09/2024       4 Citations
  • Trajectories of Anhedonia Symptoms after Traumatic Injury. (Pina IG, Timmer-Murillo SC, Larson CL, deRoon-Cassini TA, Tomas CW) Eur J Trauma Dissociation 2024 Jun;8(2) PMID: 38799039 PMCID: PMC11113075 SCOPUS ID: 2-s2.0-85191354816 05/27/2024    
  • Racial discrimination increases the risk for nonremitting posttraumatic stress disorder symptoms in traumatically injured Black individuals living in the United States. (Torres L, Geier TJ, Tomas CW, Bird CM, Timmer-Murillo S, Larson CL, deRoon-Cassini TA) J Trauma Stress 2024 Aug;37(4):697-709 PMID: 38650107 SCOPUS ID: 2-s2.0-85191185232 04/23/2024       2 Citations
  • A comparison of the psychometric properties of a person-administered vs. automated screening tool for posttraumatic stress disorder (PTSD) in traumatically injured patients. (Brandolino A, Biesboer EA, Leissring M, Weber R, Timmer-Murillo S, deRoon-Cassini TA, Schroeder ME) Injury 2024 May;55(5):111507 PMID: 38531719 SCOPUS ID: 2-s2.0-85188951370 03/27/2024       2 Citations
  • Experiences of racial discrimination and adverse gene expression among black individuals in a level 1 trauma center sample. (Bird CM, Kate Webb E, Cole SW, Tomas CW, Knight JM, Timmer-Murillo SC, Larson CL, deRoon-Cassini TA, Torres L) Brain Behav Immun 2024 Feb;116:229-236 PMID: 38070623 PMCID: PMC10872243 SCOPUS ID: 2-s2.0-85180086979 12/10/2023       5 Citations
  • Endocannabinoids, cortisol, and development of post-traumatic psychopathological trajectories. (Jayan D, Timmer-Murillo S, Fitzgerald JM, Hillard CJ, de Roon-Cassini TA) Gen Hosp Psychiatry 2023;85:199-206 PMID: 37956620 PMCID: PMC10843734 SCOPUS ID: 2-s2.0-85176356508 11/14/2023       3 Citations
  • Attributional negativity bias and acute stress disorder symptoms mediate the association between trauma history and future posttraumatic stress disorder. (Webb EK, Timmer-Murillo SC, Huggins AA, Tomas CW, deRoon-Cassini TA, Larson CL) J Trauma Stress 2023 Aug;36(4):785-795 PMID: 37339014 PMCID: PMC10528836 SCOPUS ID: 2-s2.0-85162188572 06/20/2023       3 Citations
  • History of Racial Discrimination by Police Contributes to Worse Physical and Emotional Quality of Life in Black Americans After Traumatic Injury. (Geier TJ, Timmer-Murillo SC, Brandolino AM, Piña I, Harb F, deRoon-Cassini TA) J Racial Ethn Health Disparities 2024 Jun;11(3):1774-1782 PMID: 37249827 PMCID: PMC10228454 SCOPUS ID: 2-s2.0-85160614189 05/30/2023       11 Citations
  • Mental Health and Health-Related Quality of Life After Firearm Injury: A Preliminary Descriptive Study. (Timmer-Murillo SC, Melin SJH, Tomas CW, Geier TJ, Brandolino A, Schramm AT, Larson CL, deRoon-Cassini TA) Ann Intern Med 2023 Jul;176(7):1010-1012 PMID: 37216663 SCOPUS ID: 2-s2.0-85165222285 05/22/2023       5 Citations
  • Facets of emotion dysregulation differentially predict depression and PTSD symptom severity following traumatic injury. (Timmer-Murillo S, Schramm AT, Geier TJ, Mcleod E, Larson CL, deRoon-Cassini TA) Eur J Psychotraumatol 2023;14(2):2193524 PMID: 36988588 PMCID: PMC10062211 SCOPUS ID: 2-s2.0-85151312767 03/30/2023       16 Citations
  • Comprehensive Framework of Firearm Violence Survivor Care: A Review. (Timmer-Murillo SC, Schroeder ME, Trevino C, Geier TJ, Schramm AT, Brandolino AM, Hargarten S, Holena D, de Moya M, Milia D, deRoon-Cassini TA) JAMA Surg 2023 May 01;158(5):541-547 PMID: 36947025 SCOPUS ID: 2-s2.0-85159344888 03/23/2023       14 Citations
  • Event centrality and posttraumatic stress symptoms after traumatic injury: A longitudinal investigation. (Stevens SK, Timmer-Murillo SC, Tomas CW, Boals A, Larson CL, deRoon-Cassini T, Larsen SE) J Trauma Stress 2022 Dec;35(6):1734-1743 PMID: 36104984 SCOPUS ID: 2-s2.0-85137895442 09/16/2022       2 Citations
  • Life threat during assaultive trauma: Critical posttraumatic stress disorder risk factors for injured patients. (Timmer-Murillo SC, Schramm A, deRoon-Cassini TA) J Trauma Acute Care Surg 2022 May 01;92(5):848-854 PMID: 35468115 PMCID: PMC9181289 SCOPUS ID: 2-s2.0-85128832717 04/26/2022       6 Citations
  • Invited Commentary: Treating the Whole Person: Comprehensive Trauma Center Care. (deRoon-Cassini TA, Timmer-Murillo SC) J Am Coll Surg 2022 Mar 01;234(3):288-289 PMID: 35213490 SCOPUS ID: 2-s2.0-85125548512 02/26/2022       2 Citations
  • Psychophysiological predictors of change in emotion dysregulation 6 months after traumatic injury. (Fitzgerald JM, Timmer-Murillo S, Sheeran C, Begg H, Christoph M, deRoon-Cassini TA, Larson CL) Int J Psychophysiol 2022 Mar;173:29-37 PMID: 35007667 SCOPUS ID: 2-s2.0-85123004145 01/11/2022       4 Citations
  • Exposure to socioenvironmental stress as a predictor of physical and mental health. (Halling M, Timmer-Murillo S, Hunt JC, Geier T, Beyer KM, Malecki KM, deRoon-Cassini TA) J Health Psychol 2022 Aug;27(9):2091-2103 PMID: 34112016 SCOPUS ID: 2-s2.0-85107627230 06/12/2021       1 Citation
  • A Randomized Trial of Modified Prolonged Exposure to Prevent the Development of Posttraumatic Stress Disorder in Patients Hospitalized With Traumatic Injuries. (Larsen SE, Hunt JC, Geier T, Heyrman K, Schumann N, Brandolino A, Timmer-Murillo S, Bergner C, Larson C, deRoon-Cassini TA) J Trauma Stress 2021 Feb;34(1):104-115 PMID: 33269808 SCOPUS ID: 2-s2.0-85089460797 12/04/2020       8 Citations
  • Implicit emotion regulation: A novel method for capturing individual differences in acute emotion regulation (Timmer-Murillo SC, Kangas KJ, Gordon NS) Personality and Individual Differences 1 September 2020;163 SCOPUS ID: 2-s2.0-85083770778 09/01/2020       4 Citations
  • Identification of risk for posttraumatic stress disorder symptom clusters early after trauma. (Timmer-Murillo SC, Hunt JC, Geier T, Brasel KJ, deRoon-Cassini TA) J Health Psychol 2021 Dec;26(14):2794-2800 PMID: 32538162 SCOPUS ID: 2-s2.0-85105956199 06/17/2020       6 Citations
  • Feasibility of a trauma quality-of-life follow-up clinic. (Trevino C, Geier T, Timmer-Murillo SC, Shawlin M, Milia DJ, Codner P, deRoon-Cassini T) J Trauma Acute Care Surg 2020 Jul;89(1):226-229 PMID: 32176166 SCOPUS ID: 2-s2.0-85088576680 03/17/2020       20 Citations
  • Establishment and replication of emotion regulation profiles: implications for psychological health. (Chesney SA, Timmer-Murillo SC, Gordon NS) Anxiety Stress Coping 2019 May;32(3):329-345 PMID: 30704305 SCOPUS ID: 2-s2.0-85060948696 02/02/2019       28 Citations
  • Last update: 12/11/2025