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Christopher F. Janowak, MD,FACS

Associate Professor of Clinical-Affiliate

Surgery | College of Medicine

  • Trauma and Critical Care Fellowship: University of Indiana
  • General Surgery Residency: University of Wisconsin
  • Medical Degree: Loyola University
  • Bachelors in Science: University of Wisconsin (Genetics)
Board Certifications & Licenses

American Board of Surgery (Surgery Critical Care) (Certification Date: 2016-09-12)
American Board of Surgery (Certification Date: 2016-03-09)

Contact Information
Research Interests

Interests in Trauma and General Surgical clinical outcomes research, including Chest Wall Injuries and comprehensive management of thoracic trauma (rib fracture, sternal fracture, pulmonary contusion) with particular emphsis on large volume data sets, chest wall reconstruction, mechanical ventilation, and surgical critical care.

Clinical Interests

Critical Care Surgery

General Surgery

Abdominal Hernia

Acalculous Cholecystitis


Bile Duct Stones

Biliary Dyskinesia

Billiary Disease

Bleeding in the Small Bowel

Bowel Obstruction




Colonic Diverticulitis

Diverticular Disease


Femoral Hernia

Fractured Ribs

Gallbladder Disease

Gallbladder Inflammation (Cholecystitis)


Groin Hernias


Lung Collapse (Pneumothorax)


Pilonidal Cyst

Pilonidal Dimple

Pilonidal Sinus

Pyloric Stenosis

Traumatic Injury

Umbilical Hernia

Ventral Hernia

Peer Reviewed Publications

Eriksson, Evert A; Waite, Amanda; Whitbeck, SarahAnn S; Bach, John A; Bauman, Zachary M; Cavlovic, Lindsey; Dale, Kate; DeVoe, William B; Doben, Andrew R; Edwards, John G; Forrester, Joseph D; Kaye, Adam J; Green, John M; Hsu, Jeremy; Hufford, Andrea; Janowak, Christopher F; Kartiko, Susan; Moore, Ernest E; Patel, Bhavik; Pieracci, Fredric; Sarani, Babak; Schubl, Sebastian D; Semon, Gregory; Thomas, Bradley W; Tung, Jamie; Van Lieshout, Esther M M; White, Thomas W; Wijffels, Mathieu M E; Wullschleger, Martin E 2024. An initiative to assess and improve the resources and patient care processes used among Chest Wall Injury Society collaborative centers study (CWIS-CC2). The journal of trauma and acute care surgery, 96 4, 618-622

Eriksson, Evert Austin; Wijffels, Mathieu Mathilde Eugene; Kaye, Adam; Forrester, Joseph Derek; Moutinho, Manuel; Majerick, Sarah; Bauman, Zachary Mitchel; Janowak, Christopher Francis; Patel, Bhavik; Wullschleger, Martin; Clevenger, Leanna; Van Lieshout, Esther M M; Tung, Jamie; Woodfall, Michelle; Hill, Thomas Russell; White, Thomas William; Doben, Andrew Ross 2024. Incidence of surgical rib fixation at chest wall injury society collaborative centers and a guide for expected number of cases (CWIS-CC1). European journal of trauma and emergency surgery : official publication of the European Trauma Society, 50 2, 417-423

Woodyard, Kiersten C; Hogan, Elise; Dembinski, Douglas R; Madzia, Jules; Guyton, Lane; Janowak, Christopher F; Pan, Brian S; Gobble, Ryan M 2024. A Review of Meta-Analyses in Plastic Surgery: Need for Adequate Assessment of Publication Bias. The Journal of surgical research, 296 , 781-789

Childers, Betzaira G; Donovan, Eileen; Lo, Winifred M; Janowak, Lauren M; Sussman, Jeffrey; Janowak, Christopher F 2023. Operative management of immune checkpoint colitis following in-transit melanoma: Case report. Frontiers in oncology, 13 , 1120808

Woodyard, Kiersten C; Lee, Ermina; Ferguson, Riley; Dembinski, Douglas; Effendi, Maleeh; Janowak, Christopher F; Gobble, Ryan M 2023. Surgical Fellowships Demonstrate Variable Improvement in Gender Representation Despite Greater Female Enrollment in General Surgery Residencies. Journal of surgical education, 80 8, 1104-1112

Delman, Aaron M; Turner, Kevin M; Ammann, Allison M; Millar, D A; Goodman, Michael D; Janowak, Christopher F 2022. A method for identifying the learning curve for the surgical stabilization of rib fractures. The journal of trauma and acute care surgery, 93 6, 743-749

Janowak, Christopher Francis; Becker, Bradley Robert; Philpott, Carolyn Dosen; Makley, Amy Teres; Mueller, Eric William; Droege, Christopher Allen; Droege, Molly Elizabeth 2022. Retrospective Evaluation of Intrapleural Tissue Plasminogen Activator With or Without Dornase Alfa for the Treatment of Traumatic Retained Hemothorax: A 6-Year Experience. The Annals of pharmacotherapy, , 10600280221077383

Wallen, Taylor E; Singer, Kathleen E; Makley, Amy T; Athota, Krishna P; Janowak, Christopher F; Hanseman, Dennis; Salvator, Ann; Droege, Molly E; Strilka, Richard; Droege, Christopher A; Goodman, Michael D 2022. Intercostal liposomal bupivacaine injection for rib fractures: A prospective randomized controlled trial. The journal of trauma and acute care surgery, 92 2, 266-276

Zingg, S Whitney; Gomaa, Dina; Blakeman, Thomas C; Rodriquez, Dario; Salvator, Ann; Goodman, Michael D; Janowak, Christopher F 2022. Oxygenation and Respiratory System Compliance Associated With Pulmonary Contusion. Respiratory care, 67 9, 1100-1108

Niziolek, Grace; Goodman, Michael D; Makley, Amy; Millar, D Anderson; Heh, Victor; Pritts, Timothy A; Janowak, Christopher 2021. "Early results after initiation of a rib fixation programme: A propensity score matched analysis". Injury, ,

Skinner, Mitchell; Baker, Jennifer; Heh, Victor; Goodman, Michael; Pritts, Timothy; Janowak, Christopher 2021. Rib Season: Temporal Variation in Chest Wall Injuries. The Journal of surgical research, 260 , 129-133

Zingg, S Whitney; Millar, D A; Goodman, Michael D; Pritts, Timothy A; Janowak, Christopher F 2021. The Association Between Pulmonary Contusion Severity and Respiratory Failure. Respiratory care, ,

Baker, Jennifer E; Millar, D Anderson; Heh, Victor; Goodman, Michael D; Pritts, Timothy A; Janowak, Christopher F 2020. Does chest wall Organ Injury Scale (OIS) or Abbreviated Injury Scale (AIS) predict outcomes? An analysis of 16,000 consecutive rib fractures. Surgery, 168 1, 198-204

Baker, Jennifer E; Skinner, Mitchell; Heh, Victor; Pritts, Timothy A; Goodman, Michael D; Millar, D Anderson; Janowak, Christopher F 2019. Readmission Rates and Associated Factors Following Rib Cage Injury. The journal of trauma and acute care surgery, ,

Janowak, Christopher F; Agarwal, Suresh K; Zarzaur, Ben L 2019. What's in a Name? Provider Perception of Injured John Doe Patients. The Journal of surgical research, 238 , 218-223

Dolejs, Scott C; Janowak, Christopher F; Zarzaur, Ben L 2017. Medication Errors in Injured Patients. The American surgeon, 83 7, 780-785

Janowak, Christopher F; Dolejs, Scott; Zarzaur, Ben L 2017. Who is John Doe? A Case-Match Analysis. The American surgeon, 83 8, 294-296

Janowak, Christopher F; Blasberg, Justin D; Taylor, Lauren; Maloney, James D; Macke, Ryan A 2015. The Surgical Apgar Score in esophagectomy. The Journal of thoracic and cardiovascular surgery, 150 4, 806-12

Childers B.G.; Donovan E.; Lo W.M.; Janowak L.M.; Sussman J.; Janowak C.F. 01-01-2023. Operative management of immune checkpoint colitis following in-transit melanoma: Case report Frontiers in Oncology, 13 ,

Abstract Publications

Janowak, CF Mercier, PJ Agarwal, SK 2014. The Impact of Comorbidity on Mortality in Trauma Outcomes Journal of Surgical Research, 186 2, 511