Polypropylene Mesh Use in Hernia Repair After Bowel Resection

Introduction to Polypropylene Mesh Use

Polypropylene mesh can be safely used for hernia repair after resection and primary anastomosis of necrotic jejunum, as the presence of non-viable intestine is not a contraindication for prosthetic repair 1, 2

For small defects (<3 cm) in contaminated fields (CDC wound class III) with bowel necrosis and/or gross enteric spillage, primary repair without mesh is recommended 1
For larger defects (≥3 cm) in contaminated fields, biological mesh is the preferred option when available, and if not available, polyglactin mesh or open wound management with delayed repair may be viable alternatives 1
In clean-contaminated fields (CDC wound class II) or contaminated fields without gross spillage, polypropylene mesh can be safely used 2

Multiple studies have shown no significant difference in wound or mesh infection rates between hernias with viable versus non-viable intestinal contents 2
A prospective study demonstrated that the presence of non-viable intestine was not associated with increased infection rates in prosthetic repair 1, 2
Synthetic mesh has shown lower recurrence rates (OR = 0.2) compared to non-mesh repair, with similar surgical site infection rates when comparing cases with and without bowel resection 1, 2

Bowel resection is a risk factor for overall postoperative complications (P < 0.0001) and major complications (P = 0.003), but not necessarily for surgical site infection (P = 0.42) 1, 2
High infection rates (up to 21%) have been reported after emergency hernia repairs with polypropylene mesh in contaminated fields, so careful patient selection is important 1
Absorbable prosthetic materials will eventually dissolve completely, leading to inevitable hernia recurrence, making them less ideal for permanent repair 1

In cases with gross contamination from perforated gangrenous bowel, consider alternative approaches as outlined in the algorithm above 1
Monitor for recurrence, especially in high-risk contaminated cases, though recurrence rates remain lower than with primary repair 2

For hernia repair in the setting of bowel resection, biological mesh is recommended when the defect size is larger than 3 cm; for smaller defects, primary repair should be performed, as suggested by the World Journal of Emergency Surgery guidelines 3, 4
Synthetic mesh can be safely used in patients with intestinal strangulation and/or concurrent bowel resection without gross enteric spillage, with a significantly lower risk of recurrence compared to primary repair, according to the World Journal of Emergency Surgery 4, 5
Synthetic mesh may have lower surgical site infection rates (OR = 0.46) and recurrence rates (OR = 0.2) compared to non-mesh repair, as reported by the World Journal of Emergency Surgery 6

For defects <3 cm in contaminated fields, primary repair without mesh is recommended, as suggested by the World Journal of Emergency Surgery guidelines 3, 4
For defects ≥3 cm in contaminated fields, biological mesh is the preferred option, according to the World Journal of Emergency Surgery guidelines 3, 6
The choice between cross-linked and non-cross-linked biological mesh should depend on defect size and degree of contamination, as reported by the World Journal of Emergency Surgery 3

High infection rates (up to 21%) have been reported after emergency hernia repairs with polypropylene mesh in contaminated fields, as noted by the World Journal of Emergency Surgery 3
Absorbable prosthetic materials will eventually dissolve completely, leading to inevitable hernia recurrence, as stated by the World Journal of Emergency Surgery 3
Bowel resection is a significant risk factor for overall postoperative complications (P < 0.0001) and major complications (P = 0.003), but not necessarily for surgical site infection (P = 0.42), according to the World Journal of Emergency Surgery 3, 7
The presence of non-viable intestine should not be automatically considered a contraindication for prosthetic repair, as some studies show no significant difference in infection rates between viable and non-viable bowel cases, as reported by the World Journal of Emergency Surgery 6, 8