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Background <p>We carried out a study to assess the efficacy of tranexamic acid in preventing scar tissue in the craniectomy area in rats.</p> Method <p>Our study consisted of control and tranexamic acid groups with 10 subjects each. All subjects underwent bilateral frontoparietal craniectomy. After craniectomy, cotton pads were applied to the surgical sites. In the controls, the pads were soaked with saline and in the tranexamic acid group the pads were soaked with 30&#xa0;mg/kg tranexamic acid. Rats were decapitated 30&#xa0;days after surgery. The degree of scar formation was evaluated pathologically and by electron microscopy. In pathologic evaluation, dura mater thickness, scar tissue density, and arachnoid involvement were evaluated.</p> Results <p>The outcomes demonstrated that no adhesions were present in the rats of the Tranexamic acid group, whereas the control group exhibited severe scar tissue [eight of ten rats (80%)] with adhesions. Additionally, comparison between the two groups showed that the dura mater thickness of tranexamic acid animals was thinner than that of the control group animals. Similarly, the intensity of scar tissue density and the intensity of arachnoid involvement were much better than the control group. </p> Conclusions <p>Scar tissue formation following craniectomies represents a significant adverse outcome that may lead to various complications. Intraoperative topical application of tranexamic acid has demonstrated potential efficacy in preventing scar formation in the craniectomy region in rat models.</p>

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Topical tranexamic acid prevents scar tissue formation following craniectomy in a rat model

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月6日

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  • Ömer Şahin,
  • Tuncer Taşcıoğlu,
  • Ayşegül Fırat,
  • Hüseyin Selçuk Sürücü,
  • Muzaffer Çaydere

摘要

Background

We carried out a study to assess the efficacy of tranexamic acid in preventing scar tissue in the craniectomy area in rats.

Method

Our study consisted of control and tranexamic acid groups with 10 subjects each. All subjects underwent bilateral frontoparietal craniectomy. After craniectomy, cotton pads were applied to the surgical sites. In the controls, the pads were soaked with saline and in the tranexamic acid group the pads were soaked with 30 mg/kg tranexamic acid. Rats were decapitated 30 days after surgery. The degree of scar formation was evaluated pathologically and by electron microscopy. In pathologic evaluation, dura mater thickness, scar tissue density, and arachnoid involvement were evaluated.

Results

The outcomes demonstrated that no adhesions were present in the rats of the Tranexamic acid group, whereas the control group exhibited severe scar tissue [eight of ten rats (80%)] with adhesions. Additionally, comparison between the two groups showed that the dura mater thickness of tranexamic acid animals was thinner than that of the control group animals. Similarly, the intensity of scar tissue density and the intensity of arachnoid involvement were much better than the control group.

Conclusions

Scar tissue formation following craniectomies represents a significant adverse outcome that may lead to various complications. Intraoperative topical application of tranexamic acid has demonstrated potential efficacy in preventing scar formation in the craniectomy region in rat models.