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Purpose <p>This review aimed to systematically synthesize and standardize evaluation parameters for preclinical studies of absorbable meshes in abdominal wall hernia repair models.</p> Methods <p>A comprehensive database search was conducted to identify comparative studies on the remodeling and regenerative properties of absorbable meshes in animal models of abdominal wall hernia. Stratified analysis of dimensional indicators was performed across species, and study characteristics, epidemiological data, and key model attributes were visually summarized and analyzed.</p> Results <p>Remodeling and regenerative properties were assessed across seven major dimensions: inflammatory response, scaffold degradation, tissue integration, neovascularization, extracellular matrix (ECM) deposition, cellular infiltration, and fibrotic encapsulation. Evaluation methods encompassed histological analysis, molecular assays, general observation, and biomechanical testing, with outcomes reported in qualitative, quantitative, or combined formats. Inflammatory response, scaffold degradation, tissue integration, and neovascularization emerged as the most frequently assessed metrics. Histological assessment was the predominant evaluation method, and qualitative data presentation was most common. Species-stratified analysis revealed that rats and rabbits were the most frequently used models. Rat studies primarily focused on ECM deposition, inflammation, and tissue integration, whereas rabbit studies emphasized ECM deposition and inflammatory response.</p> Conclusion <p>Inflammatory response, scaffold degradation, tissue integration, neovascularization and ECM deposition constitute core dimensions for evaluating tissue remodeling and regeneration. However, current studies show substantial inconsistency in endpoint selection and dimensional emphasis, with limited diversity in measurement techniques and a lack of consensus across species-specific models. Future research should establish species-specific core outcome sets and adopt multidimensional strategies to enable comprehensive evaluation of absorbable mesh performance.</p> Graphical abstract <p></p>

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How do we evaluate the remodeling and regeneration of absorbable meshes? Multi-dimensional evaluation parameters from multi-species

  • 期刊论文

  • 发表日期：

    2026年2月27日

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  • Fengxing Ding,
  • Yating Luo,
  • Dengrui Liu,
  • Muting Niu,
  • Yanli Liu,
  • Shaowei Yi,
  • Wanxian Du,
  • Yue Zhao,
  • Zhe Wang,
  • Zihan Wang,
  • Yajuan Wang,
  • Wenbo Liu,
  • Bin Ma

摘要

Purpose

This review aimed to systematically synthesize and standardize evaluation parameters for preclinical studies of absorbable meshes in abdominal wall hernia repair models.

Methods

A comprehensive database search was conducted to identify comparative studies on the remodeling and regenerative properties of absorbable meshes in animal models of abdominal wall hernia. Stratified analysis of dimensional indicators was performed across species, and study characteristics, epidemiological data, and key model attributes were visually summarized and analyzed.

Results

Remodeling and regenerative properties were assessed across seven major dimensions: inflammatory response, scaffold degradation, tissue integration, neovascularization, extracellular matrix (ECM) deposition, cellular infiltration, and fibrotic encapsulation. Evaluation methods encompassed histological analysis, molecular assays, general observation, and biomechanical testing, with outcomes reported in qualitative, quantitative, or combined formats. Inflammatory response, scaffold degradation, tissue integration, and neovascularization emerged as the most frequently assessed metrics. Histological assessment was the predominant evaluation method, and qualitative data presentation was most common. Species-stratified analysis revealed that rats and rabbits were the most frequently used models. Rat studies primarily focused on ECM deposition, inflammation, and tissue integration, whereas rabbit studies emphasized ECM deposition and inflammatory response.

Conclusion

Inflammatory response, scaffold degradation, tissue integration, neovascularization and ECM deposition constitute core dimensions for evaluating tissue remodeling and regeneration. However, current studies show substantial inconsistency in endpoint selection and dimensional emphasis, with limited diversity in measurement techniques and a lack of consensus across species-specific models. Future research should establish species-specific core outcome sets and adopt multidimensional strategies to enable comprehensive evaluation of absorbable mesh performance.

Graphical abstract