Ann Surg Treat Res.  2022 Jun;102(6):313-322. 10.4174/astr.2022.102.6.313.

Anti-adhesive effect and safety of a thermosensitive adhesion barrier (Mediclore) for thyroid surgery: a double-blinded randomized controlled trial

Affiliations
  • 1Department of Surgery, Chungbuk National University Hospital, Cheongju, Korea
  • 2Department of Surgery, lnha University College of Medicine, Incheon, Korea
  • 3Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
  • 4Department of Surgery, Young Do Hospital, Busan, Korea
  • 5Department of Surgery, lnha University Hospital, Incheon, Korea
  • 6Department of Surgery, Seoul National University Hospital, Seoul, Korea
  • 7Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
  • 8Integrated Major in Innovative Medical Science, Seoul National University Graduate School, Seoul, Korea

Abstract

Purpose
Postoperative adhesions after thyroidectomy adversely affect patients’ quality of life. This study assessed the anti-adhesive effect and safety of thermosensitive sol-gel agents for patients undergoing thyroidectomy.
Methods
A double-blind parallel-group randomized clinical trial involving patients aged 20–70 years undergoing thyroidectomy for thyroid nodules was conducted. From August 2017 to April 2020, 90 patients were randomly assigned to the experimental (n = 45, thermosensitive sol-gel agent applied to the surgical site) and control (n = 45, no treatment) groups in a 1:1 ratio. All patients were assessed using a questionnaire for swallowing difficulty, wrinkle problems, and inflammation at 2 weeks, 3 months, and 6 months after thyroid surgery. For reoperated patients, the degree of adhesion was evaluated according to the adhesion-evaluation score system (range, 0–4).
Results
During the follow-up period of 6.50 ± 1.38 months, the swallowing difficulty, wrinkle problem, and inflammation were improved in both groups. However, there was no statistically significant difference between the control and experimental groups related to swallowing difficulty, wrinkle problems, and inflammation. Two patients in the control group and 1 in the experimental group who underwent reoperation had an adhesion-evaluation score of 3 points. There were no adverse effects or allergic reactions.
Conclusion
A thermosensitive sol-gel agent can be safely used as an anti-adhesive barrier. However, this study did not reveal its efficacy for postoperative adhesions. A more objective and systematic study is required in the future.

Keyword

Prevention & control; Randomized controlled trial; Safety; Thyroidectomy; Tissue adhesions

Figure

  • Fig. 1 Flow diagram of the randomized controlled trial. The thermosensitive sol-gel agent was applied to the surgical site in the Mediclore group. No anti-adhesive agent was applied to the surgical site. Mediclore: CGBio Co., Ltd. Seongnam, Korea.

  • Fig. 2 Comparison of swallowing difficulty by group and time. There was no difference in the degree of difficulty swallowing between the 2 groups based on the questionnaire survey of the postoperative adhesions at 2 weeks, 3 months, and 6 months after surgery. Mediclore: CGBio Co., Ltd. Seongnam, Korea.

  • Fig. 3 Comparison of inflammatory problems by group and time. There was no difference in the outcomes between the 2 groups when the wrinkle problems were assessed using the questionnaire for postoperative adhesions 2 weeks, 3 months, and 6 months after surgery. Mediclore: CGBio Co., Ltd. Seongnam, Korea.

  • Fig. 4 Comparison of wrinkle problems by group and time. There was no difference in the scores for inflammatory problems at 2 weeks, 3 months, and 6 months after surgery. Mediclore: CGBio Co., Ltd. Seongnam, Korea.


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