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NJ

Niels Johnsen

🏥 Vanderbilt Univ., Nashville, TN
Mentored by · fellowship 2018
Hunter Wessells
with Bryan B. Voelzke

Biography​

Niels Vass Johnsen is an associate professor of urology at Vanderbilt University Medical Center and director of its Genitourinary Reconstruction and Trauma Fellowship.12 He received his medical degree from Tulane University School of Medicine and completed urology residency at Vanderbilt University Medical Center.2 Johnsen completed a fellowship in male genitourinary reconstruction and trauma at the University of Washington in the program directed by Hunter Wessells.234

Contributions​

His cited work addresses genitourinary trauma, including pelvic fracture urethral injury, bladder rupture and blunt lower urinary tract trauma, renal imaging after injury, and the American College of Surgeons management guideline.56789

Cited on WARWIKI

11 publications with Niels Johnsen as a listed author are cited on WARWIKI, ordered by the number of pages that cite them. Papers whose author list is shortened to "et al." before this name are not included.

  1. Johnsen N, Wessells H, Archer-Arroyo K, et al. Best Practices Guidelines: Management of Genitourinary Injuries. American College of Surgeons; 2025.
    Cited on: Barbed Sutures · Bladder Flap Family · Coudé (Tiemann) Catheter
  2. Chapman DW, Cotter K, Johnsen NV, et al. Nontransecting techniques reduce sexual dysfunction after anastomotic bulbar urethroplasty: results of a multi-institutional comparative analysis. J Urol. 2019;201(2):364-370. doi
    Cited on: ANTA Urethroplasty (Augmented Non-Transected Anastomotic) · Jordan Vessel-Sparing Excision and Primary Anastomosis · MsANTA / Joshi Step Urethroplasty (Mucosal-Sparing Augmented Non-Transected Anastomotic)
  3. Johnsen N, Wessells H, Archer-Arroyo K, et al. "Best Practices Guidelines — Management of Genitourinary Injuries." American College of Surgeons. 2025.
    Cited on: Male Urethra · Ureterocolonic Fistula · Primary End-to-End Anastomosis (Female)
  4. Johnsen NV, Moses RA, Elliott SP, et al. Multicenter analysis of posterior urethroplasty complexity and outcomes following pelvic fracture urethral injury. World J Urol. 2020;38(4):1073-1079. doi
    Cited on: Abdominoperineal (Transpubic) Urethroplasty · Combined Abdominoperineal Reconstruction · Pelvic Fracture Urethral Injury (PFUI)
  5. Johnsen NV, Voelzke BB. Autologous Rectus Fascia Graft Interposition Repair of Urethrocutaneous Fistulae in Female-to-Male Metoidioplasty Patients. Urology. 2018;116:208-212. doi
    Cited on: Autologous Rectus Fascia · Urethroperineal Fistula · Urethroperineal Fistula Repair
  6. Johnsen N, Wessells H, Archer-Arroyo K, et al. ACS TQP Best Practices Guidelines: Management of Genitourinary Injuries. American College of Surgeons; 2025.
    Cited on: Pelvic Fracture Urethral Injury (PFUI)
  7. Loftus CJ, Hagedorn JC, Johnsen NV. Does routine repeat imaging for blunt high-grade renal trauma lead to unnecessary interventions? J Trauma Acute Care Surg. 2021;90(1):143–147. doi
    Cited on: Renal Trauma
  8. Dropkin BM, Chisholm LP, Dallmer JD, Johnsen NV, Milam DF, Kaufman MR. Penile prosthesis insertion in the era of antibiotic stewardship — are postoperative antibiotics necessary? J Urol. 2020;203(3):611–614. doi
    Cited on: Perioperative Antibiotic Prophylaxis
  9. Johnsen NV, Dmochowski RR, Guillamondegui OD. "Clinical utility of routine follow-up cystography in the management of traumatic bladder ruptures." Urology. 2018;113:230–234. doi
    Cited on: Cystography
  10. Johnsen NV, Dmochowski RR, Young JB, Guillamondegui OD. Epidemiology of blunt lower urinary tract trauma with and without pelvic fracture. Urology. 2017;102:234–239. PMID 28043650.
    Cited on: Bladder Trauma
  11. Johnsen NV, Dmochowski RR, Mock S, et al. Primary endoscopic realignment of urethral disruption injuries — a double-edged sword? J Urol. 2015;194(4):1022-6. doi
    Cited on: Primary Endoscopic Realignment (PER)

Footnotes​

  1. Vanderbilt University School of Medicine. Accessed October 2026. ↩

  2. Niels Johnsen, MD, MPH, FACS. Department of Urology. Accessed October 2026. ↩ ↩2 ↩3

  3. Trauma and Reconstruction Fellowship Graduates. Department of Urology. Accessed October 2026. ↩

  4. Genitourinary Reconstructive Surgery (GURS). Department of Urology. Accessed October 2026. ↩

  5. Johnsen N, Wessells H, Archer-Arroyo K, et al. "Best Practices Guidelines — Management of Genitourinary Injuries." American College of Surgeons. 2025. ↩

  6. Johnsen NV, Moses RA, Elliott SP, et al. Multicenter analysis of posterior urethroplasty complexity and outcomes following pelvic fracture urethral injury. World J Urol. 2020;38(4):1073-1079. doi:10.1007/s00345-019-02824-5 ↩

  7. Johnsen NV, Dmochowski RR, Guillamondegui OD. "Clinical utility of routine follow-up cystography in the management of traumatic bladder ruptures." Urology. 2018;113:230–234. doi:10.1016/j.urology.2017.11.011 ↩

  8. Johnsen NV, Dmochowski RR, Mock S, et al. Primary endoscopic realignment of urethral disruption injuries — a double-edged sword? J Urol. 2015;194(4):1022-6. doi:10.1016/j.juro.2015.03.112 ↩

  9. Johnsen NV, Dmochowski RR, Young JB, Guillamondegui OD. Epidemiology of blunt lower urinary tract trauma with and without pelvic fracture. Urology. 2017;102:234–239. PMID 28043650. ↩