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Related Concept Videos

Hiatal Hernia01:25

Hiatal Hernia

A hiatal hernia is the abnormal protrusion of the stomach or other abdominal organs through the esophageal hiatus of the diaphragm into the thoracic cavity.Normally, the gastroesophageal junction (GEJ) lies below the diaphragm and is supported by the phrenoesophageal membrane, the diaphragmatic crura, and connective tissues. Weakening of these structures—due to aging, congenital defects like a short esophagus, or increased intra-abdominal pressure from coughing, obesity, pregnancy, or heavy...

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Related Experiment Video

Updated: Jun 12, 2026

Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair
05:15

Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair

Published on: December 23, 2022

Which mesh for hernia repair?

C N Brown1, J G Finch

  • 1Northampton General Hospital, Cliftonville, Northampton, UK. clrnbrown@doctors.org.uk

Annals of the Royal College of Surgeons of England
|May 27, 2010
PubMed
Summary
This summary is machine-generated.

Choosing the right hernia repair mesh is crucial. Lightweight meshes with large pores offer superior flexibility, reduced discomfort, and lower infection risk, making them ideal for most hernia repairs.

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Use of a Rat Model to Study Ventral Abdominal Hernia Repair

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Last Updated: Jun 12, 2026

Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair
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Published on: December 23, 2022

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Use of a Rat Model to Study Ventral Abdominal Hernia Repair
05:47

Use of a Rat Model to Study Ventral Abdominal Hernia Repair

Published on: October 2, 2017

Area of Science:

  • General Surgery
  • Biomaterials Science

Background:

  • Hernia repair using mesh has been standard practice for over 50 years.
  • Mesh repair is widely accepted as superior to primary suture repair.
  • The increasing variety of available meshes complicates selection.

Purpose of the Study:

  • To outline general mesh properties for hernia repair.
  • To identify key factors in selecting appropriate surgical meshes.

Main Methods:

  • Comprehensive literature search of medical articles from 1950-2009 via Medline/PubMed.
  • Broad search terms included 'mesh, pore size, strength, recurrence, complications, lightweight, properties'.
  • Hand-searched bibliographies and product literature for additional relevant reports.

Main Results:

  • Key mesh properties influencing outcomes are filament type, tensile strength, and porosity.
  • Lightweight meshes are preferred for increased flexibility and reduced patient discomfort.
  • Large pore size is associated with reduced infection risk and shrinkage.

Conclusions:

  • Tensile strength requirements for hernia repair meshes are lower than previously assumed.
  • For intraperitoneal placement, mesh adhesion formation is a consideration; current composite meshes show no clear superiority.
  • Biomaterials like acellular dermis may be useful in infected fields but are not proven for routine repair.