Clinical Information


Charles Patrick Shahan, MD, MS

Assistant Professor

  • Division of Acute Care & Regional General Surgery
(608) 262-6246


  • MD, University of Tennessee Health Science Center
  • MS, Epidemiology, University of Tennessee Health Science Center
  • General Surgery Residency, University of Tennessee Health Science Center
  • Surgical Critical Care Fellowship, University of Texas Health Science Center

Clinical Specialties

Certified by the American Board of Surgery, Dr. Shahan’s practice is in caring for trauma, surgical critical care, and emergency general surgery patients.

Research Interests

Dr. Shahan’s primary research interest is the diagnosis and treatment of mental health disorders, such as stress disorders and depression, after trauma and emergency general surgery. In particular, he works on identifying patients most at risk for developing mental health issues after trauma and emergency surgery, and studying the optimal timing and methods to intervene. His goal is to improve mental health outcomes and demonstrate the ways that doing so can enhance quality of life during recovery.

Recent Publications

  • MultiCenter Study of Intra-Abdominal Abscess Formation After Major Operative Hepatic Trauma.
    Smith AA, Cone JT, McNickle AG, Mitchao DP, Kostka R, Martinez B, Schroeppel T, Cavalea A, Shahan CP, Axtman B, Braverman MA, Multi-Institutional Trial Liver Study Group
    J Surg Res 2024 Mar; 295: 746-752
    [PubMed ID: 38147760]

  • Bowel Preparation Before Nonelective Sigmoidectomy for Sigmoid Volvulus: Highly Beneficial but Vastly Underused.
    Schudrowitz N, Shahan CP, Moss T, Scarborough JE
    J Am Coll Surg 2023 Apr 01; 236(4): 649-655
    [PubMed ID: 36695556]

  • Efficacy and Safety of Whole Blood Transfusion in Non-Trauma Patients.
    Smith AA, Alkhateb R, Braverman M, Shahan CP, Axtman B, Nicholson S, Greebon L, Eastridge B, Jonas RB, Stewart R, Schaefer R, Foster M, Jenkins D
    Am Surg 2023 Nov; 89(11): 4934-4936
    [PubMed ID: 34592111]

  • Prehospital whole blood reduces early mortality in patients with hemorrhagic shock.
    Braverman MA, Smith A, Pokorny D, Axtman B, Shahan CP, Barry L, Corral H, Jonas RB, Shiels M, Schaefer R, Epley E, Winckler C, Waltman E, Eastridge BJ, Nicholson SE, Stewart RM, Jenkins DH
    Transfusion 2021 Jul; 61 Suppl 1: S15-S21
    [PubMed ID: 34269467]

  • From battlefront to homefront: creation of a civilian walking blood bank.
    Braverman MA, Smith A, Shahan CP, Axtman B, Epley E, Hitchman S, Waltman E, Winckler C, Nicholson SE, Eastridge BJ, Stewart RM, Jenkins DH
    Transfusion 2020 Jun; 60 Suppl 3: S167-S172
    [PubMed ID: 32478857]

All Publications on PubMed