Extended validation of the mesh integration (MINT) index: a 1-year porcine study - Report - MDSpire

Extended validation of the mesh integration (MINT) index: a 1-year porcine study

  • By

  • Edward Young

  • Jean Wong

  • Alex Karatassas

  • Peter J. Hewett

  • John W. Finnie

  • Guy J. Maddern

  • May 4, 2026

  • 0 min

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Clinical Report: Further validation of the mesh integration (MINT) index

Overview

This study validates the degradation domain of the mesh integration (MINT) index over a one-year period using a porcine model. It aims to provide insights into long-term mesh behavior and tissue integration, addressing limitations of previous short-term studies.

Background

Incisional hernias pose a significant risk following major abdominal surgeries, affecting a notable portion of the population. The use of mesh reinforcement during surgical repairs is standard practice, yet challenges remain in assessing mesh-tissue integration and its long-term effects. The MINT index offers a standardized approach to evaluate these parameters, which is crucial for improving surgical outcomes.

Data Highlights

No numerical data available in the provided source.

Key Findings

  • The MINT index assesses four domains: integration, fibrosis, degradation, and adhesions, each scored from 0.0 to 5.0.
  • This study builds on a previous 3-month validation, extending the evaluation period to one year.
  • Long-term effects of mesh implantation in a porcine model were analyzed to understand degradation and integration scores.
  • Maintaining consistent study conditions allows for the reuse of data, minimizing animal use while ensuring statistical validity.
  • Single-layer mesh placement is hypothesized to enhance recovery compared to dual-layer methods.

Clinical Implications

The findings underscore the importance of long-term evaluation of mesh integration to prevent complications such as hernia recurrence. The MINT index may serve as a valuable tool for clinicians to assess and compare different mesh products in clinical practice.

Conclusion

This study reinforces the need for standardized assessment tools like the MINT index to evaluate mesh performance over extended periods, ultimately aiming to improve surgical outcomes in hernia repair.

References

  1. Author(s)/Org, Surgical Endoscopy, 2025 -- The Mesh Integration (MINT) Index: A Standardized Ratio for Evaluating In Vivo Performance of Hernia Mesh
  2. Author(s)/Org, Basic Research in Cardiology, 2025 -- Translational Large Animal Study Utilizes Molecular Screening to Reveal Distinct Inflammatory Responses in MINOCA Cases
  3. Author(s)/Org, Hernia, 2011 -- Long-term Outcomes of a Preclinical Study on a Resorbable Surgical Mesh with Mechanical Properties that Change Over Time: Three-Year Follow-Up
  4. Updated guideline for closure of abdominal wall incisions from the European and American Hernia Societies, PMC, 2023
  5. Prevention of incisional hernia with prophylactic onlay and sublay mesh reinforcement vs. primary suture only in midline laparotomies (PRIMA): long-term outcomes of a multicentre, double-blind, randomised controlled trial, ScienceDirect, 2025
  6. Basic Research in Cardiology — A Novel Model of Heart Failure with Preserved Ejection Fraction Triggered by Metabolic Syndrome in Ossabaw Miniature Pigs
  7. Updated guideline for closure of abdominal wall incisions from the European and American Hernia Societies - PMC
  8. Prevention of incisional hernia with prophylactic onlay and sublay mesh reinforcement vs. primary suture only in midline laparotomies (PRIMA): long-term outcomes of a multicentre, double-blind, randomised controlled trial - ScienceDirect
  9. Introducing the Mesh Integration (MINT) Index: a standardised ratio scale for assessing in vivo hernia mesh performance | Surgical Endoscopy | Springer Nature Link

Original Source(s)

Extended validation of the mesh integration (MINT) index: a 1-year porcine study

  • by Edward Young, Jean Wong, Alex Karatassas, Peter J. Hewett, John W. Finnie, Guy J. Maddern

  • May 4, 2026

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