Incidence of ventral hernia surgery after laparoscopic bariatric surgery in Sweden: a registry-based study 2009–2019 - Summary - MDSpire

Incidence of ventral hernia surgery after laparoscopic bariatric surgery in Sweden: a registry-based study 2009–2019

  • By

  • Sandra Ahlqvist

  • Jakob Walldén

  • Johan Blixt Dackhammar

  • Pär Nordin

  • Charlotta Wadsten

  • Johan Ottosson

  • Yücel Cengiz

  • December 20, 2025

  • 0 min

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Objective:

To study the incidence of ventral hernias subjected to surgical repair after laparoscopic bariatric surgery in Sweden and compare the incidence and outcomes between LRYGB and LSG.

Key Findings:
  • The incidence of trocar site hernias (TSH) after laparoscopic bariatric surgery remains unclear, with estimates ranging from a few percent to 40%, highlighting the need for further investigation.
  • The study found no significant difference in reoperation rates for incisional hernia repairs between LRYGB and LSG, suggesting similar risk profiles.
  • Longer follow-up times are associated with increased detection rates of incisional hernias, indicating the importance of extended monitoring.
Interpretation:

The findings suggest that TSH is a significant complication following laparoscopic bariatric surgery, with implications for patient management and healthcare resources, including recommendations for monitoring and intervention strategies.

Limitations:
  • The study did not include patients who underwent open surgery or those with prior ventral hernia repairs, which may limit the generalizability of the findings.
  • Emigration data was not collected, potentially affecting follow-up outcomes and the overall incidence rates.
Conclusion:

The study highlights the need for further research on the long-term incidence and management of trocar site hernias following laparoscopic bariatric surgery, particularly focusing on specific risk factors and preventive measures.

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