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Laparoscopic Repair of Para-Esophageal Hernia Using Absorbable Biosynthetic Mesh
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Interparietal hernias after posterior component separation.

Georgy B Ivakhov1, Aleksandra A Kalinina2, Svetlana M Titkova2

  • 1Pirogov Russian National Research Medical University, 1, Ostrovityanov str., Moscow, 117513, Russia. ivakhovsurg@gmail.com.

Hernia : the Journal of Hernias and Abdominal Wall Surgery
|December 12, 2025
PubMed
Summary

Posterior component separation (PCS) for incisional hernias can lead to interparietal hernias (IPH), which impact quality of life. Detecting IPH is crucial for assessing long-term outcomes after PCS, alongside recurrence rates.

Keywords:
Computed tomographyETARIncisional herniaInterparietal herniaPosterior component separationTransversus abdominis release (TAR)

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Area of Science:

  • Abdominal Wall Surgery
  • Hernia Repair
  • Surgical Outcomes

Background:

  • Incisional ventral hernia repair often requires component separation techniques (CST) for large defects.
  • Posterior component separation (PCS) is complex, and outcomes are typically assessed by wound morbidity and recurrence.
  • Long-term outcomes of different PCS techniques need comprehensive evaluation.

Purpose of the Study:

  • To evaluate long-term surgical outcomes after various posterior component separation (PCS) techniques for midline incisional ventral hernias.
  • To assess outcomes using postoperative computed tomography (CT) data and patient-reported quality of life scores.
  • To determine the significance of interparietal hernias (IPH) in addition to recurrence.

Main Methods:

  • Retrospective analysis of a prospectively collected database (2017-2022) of patients undergoing Rives-Stoppa repair with bilateral PCS (eTAR/TAR or Carbonell).
  • Abdominal wall CT scans and EuraHS quality of life scores were used for patient evaluation.
  • Comparison of outcomes between different PCS techniques.

Main Results:

  • 120 of 180 patients (66.7%) had long-term follow-up after Rives-Stoppa with bilateral PCS.
  • Most patients (79%) showed no CT-detected abdominal wall pathology; 20% had unfavorable outcomes (recurrence or IPH).
  • 20.0% of patients developed postoperative interparietal hernias (IPH), and 8 recurrences were noted. Higher EuraHS scores correlated with CT-detected complications.

Conclusions:

  • Interparietal hernia (IPH) detection is as important as recurrence assessment for evaluating long-term outcomes after posterior component separation (PCS).
  • Both IPH and recurrence significantly impact patient quality of life.
  • Comprehensive assessment including imaging and patient-reported outcomes is vital for PCS evaluation.