World Journal of Surgery

, Volume 40, Issue 1, pp 89–99 | Cite as

Mesh Location in Open Ventral Hernia Repair: A Systematic Review and Network Meta-analysis

  • Julie L. Holihan
  • Duyen H. Nguyen
  • Mylan T. Nguyen
  • Jiandi Mo
  • Lillian S. Kao
  • Mike K. Liang
Scientific Review


There is no consensus on the ideal location for mesh placement in open ventral hernia repair (OVHR). We aim to identify the mesh location associated with the lowest rate of recurrence following OVHR using a systematic review and meta-analysis. A search was performed for studies comparing at least two of four locations for mesh placement during OVHR (onlay, inlay, sublay, and underlay). Outcomes assessed were hernia recurrence and surgical site infection (SSI). Pairwise meta-analysis was performed to compare all direct treatment of mesh locations. A multiple treatment meta-analysis was performed to compare all mesh locations in the Bayesian framework. Sensitivity analyses were planned for the following: studies with a low risk of bias, incisional hernias, by hernia size, and by mesh type (synthetic or biologic). Twenty-one studies were identified (n = 5,891). Sublay placement of mesh was associated with the lowest risk for recurrence [OR 0.218 (95 % CI 0.06–0.47)] and was the best of the four treatment modalities assessed [Prob (best) = 94.2 %]. Sublay was also associated with the lowest risk for SSI [OR 0.449 (95 % CI 0.12–1.16)] and was the best of the 4 treatment modalities assessed [Prob (best) = 77.3 %]. When only assessing studies at low risk of bias, of incisional hernias, and using synthetic mesh, the probability that sublay had the lowest rate of recurrence and SSI was high. Sublay mesh location has lower complication rates than other mesh locations. While additional randomized controlled trials are needed to validate these findings, this network meta-analysis suggests the probability of sublay being the best location for mesh placement is high.


Incisional Hernia Ventral Hernia Repair Mesh Placement Mesh Location Open Ventral Hernia Repair 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Mike K. Liang this work was supported by the Center for Clinical and Translational Sciences, which is funded by National Institutes of Health Clinical and Translational Award UL1 TR000371 and KL2 TR000370 from the National Center for Advancing Translational Sciences. The National Center for Research Resources or the National Institutes of Health was not responsible for the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.


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Copyright information

© Société Internationale de Chirurgie 2015

Authors and Affiliations

  • Julie L. Holihan
    • 1
  • Duyen H. Nguyen
    • 1
  • Mylan T. Nguyen
    • 1
  • Jiandi Mo
    • 1
  • Lillian S. Kao
    • 1
  • Mike K. Liang
    • 1
  1. 1.Department of General SurgeryUniversity of Texas Health Science CenterHoustonUSA

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