Risk factors for hypertrophic scar

Jong Hoon Kim, Jae Yong Sung, Yeon Hee Kim, Yong Sang Lee, Hang Seok Chang, Cheong Soo Park, Mi Ryung Roh

Research output: Contribution to journalReview article

17 Citations (Scopus)

Abstract

Postoperative neck scarring is a major concern for patients who undergo thyroid surgery; however, the treatments for hypertrophic scars are generally considered by patients to provide unsatisfactory outcomes. Therefore, risk factors should be identified and prevention of these factors is considered to be critical in management. We reviewed the medical records of 96 thyroidectomy patients who were divided into two groups based on scar type: patients with hypertrophic (n = 61) and linear flat scars (n = 35). Multivariable logistic regression model was developed to identify risk factors for developing hypertrophic scar. There was no significant difference between the two groups in terms of age, gender ratio, tumor type, and type of operation. Multivariable analysis showed that hypertrophic scar development was associated with scars located within 1 cm above the sternal notch (odds ratio [OR] = 5.94, p = 0.01), prominent sternocleidomastoid muscles (OR = 12.03, p < 0.01), and a high body mass index (OR = 1.33, p = 0.01). The area under the receiver operating characteristic curve for risk factors was 0.85. Development of hypertrophic scar after thyroidectomy was found to be associated with specific preoperative factors such as incision site near the sternal notch, prominent sternocleidomastoid muscles, and high body mass index.

Original languageEnglish
Pages (from-to)304-310
Number of pages7
JournalWound Repair and Regeneration
Volume20
Issue number3
DOIs
Publication statusPublished - 2012 May

All Science Journal Classification (ASJC) codes

  • Surgery
  • Dermatology

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