Annals of Surgical Oncology

, Volume 25, Issue 5, pp 1288–1295 | Cite as

Hypothyroidism and Wound Healing After Salvage Laryngectomy

  • Andrew J. Rosko
  • Andrew C. Birkeland
  • Emily Bellile
  • Kevin J. Kovatch
  • Ashley L. Miller
  • Craig C. Jaffe
  • Andrew G. Shuman
  • Steven B. Chinn
  • Chaz L. Stucken
  • Kelly M. Malloy
  • Jeffrey S. Moyer
  • Keith A. Casper
  • Mark E. P. Prince
  • Carol R. Bradford
  • Gregory T. Wolf
  • Douglas B. Chepeha
  • Matthew E. SpectorEmail author
Head and Neck Oncology



Patients undergoing salvage laryngectomy are predisposed to radiation-induced hypothyroidism and impaired wound healing secondary to the tissue effects of prior treatment. The impact of hypothyroidism on postoperative wound healing is not established.


A single-institution retrospective case series was performed. The inclusion criteria specified preoperatively euthyroid adults who underwent salvage laryngectomy with concurrent neck dissection between 1997 and 2015 for persistent or recurrent laryngeal squamous cell carcinoma after radiation or chemoradiation therapy (n = 182). The principal explanatory variable was postoperative hypothyroidism, defined as thyroid-stimulating hormone (TSH) higher than 5.5 mIU/L. The primary end points of the study were pharyngocutaneous fistulas and wounds requiring reoperation. Multivariate analysis was performed.


The fistula rate was 47% among hypothyroid patients versus 23% among euthyroid patients. In the multivariate analysis, the patients who experienced hypothyroidism in the postoperative period had a 3.6-fold greater risk of fistula [95% confidence interval (CI) 1.8–7.1; p = 0.0002]. The hypothyroid patients had an 11.4-fold greater risk for a required reoperation (24.4 vs 5.4%) than the euthyroid patients (95% CI 2.6–49.9; p = 0.001). The risk for fistula (p = 0.003) and reoperation (p = 0.001) increased with increasing TSH. This corresponds to an approximate 12.5% incremental increase in the absolute risk for fistula and a 10% increase in the absolute risk for reoperation with each doubling of the TSH.


Postoperative hypothyroidism independently predicts postoperative wound-healing complications. The association of hypothyroidism with fistula formation may yield opportunities to modulate wound healing with thyroid supplementation or to provide a biomarker of wound progression.


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Copyright information

© Society of Surgical Oncology 2017

Authors and Affiliations

  • Andrew J. Rosko
    • 1
  • Andrew C. Birkeland
    • 1
  • Emily Bellile
    • 2
  • Kevin J. Kovatch
    • 1
  • Ashley L. Miller
    • 3
  • Craig C. Jaffe
    • 4
  • Andrew G. Shuman
    • 1
  • Steven B. Chinn
    • 1
  • Chaz L. Stucken
    • 1
  • Kelly M. Malloy
    • 1
  • Jeffrey S. Moyer
    • 1
  • Keith A. Casper
    • 1
  • Mark E. P. Prince
    • 1
  • Carol R. Bradford
    • 1
  • Gregory T. Wolf
    • 1
  • Douglas B. Chepeha
    • 5
  • Matthew E. Spector
    • 1
    Email author
  1. 1.Department of Otolaryngology-Head and Neck SurgeryUniversity of Michigan Health CenterAnn ArborUSA
  2. 2.Department of BiostatisticsUniversity of Michigan Health CenterAnn ArborUSA
  3. 3.Department of Otolaryngology-Head and Neck SurgeryMassachusetts Eye and Ear InfirmaryBostonUSA
  4. 4.Division of Endocrinology and Metabolism, Department of Internal MedicineUniversity of Michigan Medical SchoolAnn ArborUSA
  5. 5.Department of Otolaryngology-Head and Neck SurgeryUniversity of Toronto Health SystemTorontoCanada

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