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Christopher Joseph Zimmermann

TitleAsst Professor Adjoint
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-SRG
Phone832/693-4747

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Cher BAY, Zimmermann CJ, Favela JG, Stafford LC, Bolt D, Maithel SK, Shah MM, Ahmad SA, Patel SH, Martin R, Scoggins CR, Merchant N, Datta J, Kim H, LeCompte M, Hammill CW, Snyder RA, Parikh AA, Weber SM, Abbott DE. Patient expectations about the oncologic benefit of pancreatectomy for pancreatic ductal adenocarcinoma. HPB (Oxford). 2025 Nov; 27(11):1410-1417. PMID: 40813201.
      View in: PubMed
    2. VanDruff VN, Siddiqui F, Kuchta K, Amundson JR, Zimmermann CJ, Hedberg HM, Linn J, Denham W, Fareed J, Ujiki MB. Preoperative Biomarkers and Thromboelastometry According to Caprini Venous Thromboembolism Risk Stratification in Bariatric Patients: Are Clinical Risk Assessments Enough? J Am Coll Surg. 2025 Jul 01; 241(1):67-76. PMID: 40272404.
      View in: PubMed
    3. Joseph S, Vandruff VN, Amundson JR, Che S, Zimmermann C, Ishii S, Kuchta K, Hedberg HM, Denham W, Linn J, Ujiki MB. Comparable improvement and resolution of obesity-related comorbidities in endoscopic sleeve gastroplasty vs laparoscopic sleeve gastrectomy: single-center study. Surg Endosc. 2024 10; 38(10):5914-5921. PMID: 39271507.
      View in: PubMed
    4. Zimmermann CJ, Kuchta K, Amundson JR, VanDruff VN, Joseph S, Che S, Hedberg HM, Ujiki MB. Gas and Bloat in Female Patients after Antireflux Procedures: Analysis of 934 Cases. J Am Coll Surg. 2024 Jul 01; 239(1):18-29. PMID: 38666653.
      View in: PubMed
    5. Zimmermann CJ, Kuchta K, Amundson JR, VanDruff VN, Joseph S, Che S, Hedberg HM, Ujiki M. Personalized anti-reflux surgery: connecting GERD phenotypes in 690 patients to outcomes. Surg Endosc. 2024 06; 38(6):3273-3278. PMID: 38658390.
      View in: PubMed
    6. Joseph S, McGowan CE, Jirapinyo P, Schulman AR, Thaker AM, Dayyeh BKA, Maselli D, Amundson JR, Zimmermann CJ, VanDruff VN, Che S, Ishii S, Ujiki MB. Endoscopic sleeve gastroplasty: the identification of the key procedural steps through a modified Delphi method. J Gastrointest Surg. 2024 Jul; 28(7):1132-1136. PMID: 38599314.
      View in: PubMed
    7. Joseph S, Vandruff VN, Amundson JR, Che S, Zimmermann C, Ishii S, Kuchta K, Denham W, Linn J, Hedberg HM, Ujiki MB. Roux-en-Y gastric bypass versus fundoplication for gastroesophageal reflux disease in patients with obesity results in comparable outcomes. Surgery. 2024 03; 175(3):587-591. PMID: 38154997.
      View in: PubMed
    8. VanDruff VN, Amundson JR, Joseph S, Zimmermann C, Che S, Ishii S, Kuchta K, Hedberg HM, Ujiki MB. Outcomes and predictors of treatment failure after anti-reflux mucosectomy for management of gastroesophageal reflux disease. Surgery. 2024 03; 175(3):833-840. PMID: 38087676.
      View in: PubMed
    9. Che SYW, Joseph S, Kuchta K, Amundson JR, VanDruff VN, Ishii S, Zimmermann CJ, Hedberg HM, Ujiki MB. Outcomes after per-oral endoscopic myotomy for Zenker's diverticula (Z-POEM) and correlation with impedance planimetry (FLIP). Surg Endosc. 2024 02; 38(2):957-963. PMID: 37935919.
      View in: PubMed
    10. VanDruff VN, Amundson JR, Joseph S, Che S, Kuchta K, Zimmermann CJ, Ishii S, Hedberg HM, Ujiki MB. Impedance planimetry and panometry (EndoFLIP?) can replace manometry in preoperative anti-reflux surgery assessment. Surg Endosc. 2024 01; 38(1):339-347. PMID: 37770608.
      View in: PubMed
    11. Amundson JR, Kuchta K, Zimmermann CJ, VanDruff VN, Joseph S, Che S, Ishii S, Hedberg HM, Ujiki MB. Target distensibility index on impedance planimetry during fundoplication by choice of wrap and choice of bougie. Surg Endosc. 2023 11; 37(11):8670-8681. PMID: 37500920.
      View in: PubMed
    12. Amundson JR, Zukancic H, Kuchta K, Zimmermann CJ, VanDruff VN, Joseph S, Che S, Ishii S, Hedberg HM, Ujiki MB. Acid exposure time better predicts outcomes following anti-reflux surgery than DeMeester score. Surg Endosc. 2023 08; 37(8):6577-6587. PMID: 37311888.
      View in: PubMed
    13. Zaza SI, Zimmermann CJ, Taylor LJ, Kalbfell EL, Stalter L, Brasel K, Arnold RM, Cooper Z, Schwarze ML. Factors Associated With Provision of Nonbeneficial Surgery: A National Survey of Surgeons. Ann Surg. 2023 03 01; 277(3):405-411. PMID: 36538626.
      View in: PubMed
    14. Zimmermann C, Torell N, Lidor A, Funk L, Shada A. Recurrent dysphagia after myotomy for achalasia: pneumatic dilation or POEM? : Which modality offers superior outcomes? Surg Endosc. 2023 06; 37(6):4812-4817. PMID: 36121502.
      View in: PubMed
    15. Baggett ND, Schulz K, Buffington A, Marka N, Hanlon BM, Zimmermann C, Tucholka J, Fox D, Clapp JT, Arnold RM, Schwarze ML. Surgeon Use of Shared Decision-making for Older Adults Considering Major Surgery: A Secondary Analysis of a Randomized Clinical Trial. JAMA Surg. 2022 05 01; 157(5):406-413. PMID: 35319737.
      View in: PubMed
    16. Weill SR, Layden AJ, Nabozny MJ, Leahy J, Claxton R, Zelenski AB, Zimmermann C, Childers J, Arnold R, Hall DE. Applying VitalTalkTM Techniques to Best Case/Worst Case Training to Increase Scalability and Improve Surgeon Confidence in Shared Decision-making. J Surg Educ. 2022 Jul-Aug; 79(4):983-992. PMID: 35246401.
      View in: PubMed
    17. Zimmermann CJ, Lidor A. Endoscopic and Surgical Management of Gastroesophageal Reflux Disease. Gastroenterol Clin North Am. 2021 12; 50(4):809-823. PMID: 34717872.
      View in: PubMed
    18. Zimmermann CJ, Zelenski AB, Buffington A, Baggett ND, Tucholka JL, Weis HB, Marka N, Schoultz T, Kalbfell E, Campbell TC, Lin V, Lape D, Brasel KJ, Phelan HA, Schwarze ML. Best case/worst case for the trauma ICU: Development and pilot testing of a communication tool for older adults with traumatic injury. J Trauma Acute Care Surg. 2021 09 01; 91(3):542-551. PMID: 34039930.
      View in: PubMed
    19. Zimmermann CJ, Taylor LJ, Tucholka JL, Buffington A, Brasel K, Arnold R, Cooper Z, Schwarze ML. The Association Between Factors Promoting Nonbeneficial Surgery and Moral Distress: A National Survey of Surgeons. Ann Surg. 2022 07 01; 276(1):94-100. PMID: 33214444.
      View in: PubMed
    20. Zimmermann CJ, Jhagroo RA, Wakeen M, Schueller K, Zelenski A, Tucholka JL, Fox DA, Baggett ND, Buffington A, Campbell TC, Johnson SK, Schwarze ML. Opportunities to Improve Shared Decision Making in Dialysis Decisions for Older Adults with Life-Limiting Kidney Disease: A Pilot Study. J Palliat Med. 2020 05; 23(5):627-634. PMID: 31930929.
      View in: PubMed
    21. Schwarze ML, Buffington A, Tucholka JL, Hanlon B, Rathouz PJ, Marka N, Taylor LJ, Zimmermann CJ, Kata A, Baggett ND, Fox DA, Schmick AE, Berlin A, Glass NE, Mosenthal AC, Finlayson E, Cooper Z, Brasel KJ. Effectiveness of a Question Prompt List Intervention for Older Patients Considering Major Surgery: A Multisite Randomized Clinical Trial. JAMA Surg. 2020 01 01; 155(1):6-13. PMID: 31664452.
      View in: PubMed
    22. Brauner DJ, Zimmermann CJ. Will We Code for Default ECMO? AMA J Ethics. 2019 05 01; 21(5):E443-449. PMID: 31127925.
      View in: PubMed
    23. Zimmermann CJ, Baggett ND, Taylor LJ, Buffington A, Scalea J, Fost N, Croes KD, Mezrich JD, Schwarze ML. Family and transplant professionals' views of organ recovery before circulatory death for imminently dying patients: A qualitative study using semistructured interviews and focus groups. Am J Transplant. 2019 08; 19(8):2232-2240. PMID: 30768840.
      View in: PubMed
    24. Tamirisa NP, Sheffield KM, Parmar AD, Zimmermann CJ, Adhikari D, Vargas GM, Kuo YF, Goodwin JS, Riall TS. Surgeon and Facility Variation in the Use of Minimally Invasive Breast Biopsy in Texas. Ann Surg. 2015 Jul; 262(1):171-8. PMID: 25185475.
      View in: PubMed
    25. Zimmermann CJ, Sheffield KM, Duncan CB, Han Y, Cooksley CD, Townsend CM, Riall TS. Time trends and geographic variation in use of minimally invasive breast biopsy. J Am Coll Surg. 2013 Apr; 216(4):814-24; discussion 824-7. PMID: 23376029.
      View in: PubMed
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