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Published in: Hernia 5/2023

01-08-2023 | Wound Infection | Original Article

Outcomes of recurrent incisional hernia repair by open and laparoscopic approaches: a propensity score-matched comparison

Authors: F. Chen, H. Yang, F. Wang, Y. Zhu, J. Chen

Published in: Hernia | Issue 5/2023

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Abstract

Purpose

Recurrent incisional hernias are challenging, and their surgical outcomes have not been well studied. We aimed to analyze the outcomes of recurrent incisional hernia repair in a propensity score-matched cohort study on laparoscopic intra-peritoneal onlay mesh repair (lap. IPOM) versus open sublay repair.

Methods

All consecutive patients who had undergone open sublay repair and lap. IPOM of recurrent incisional hernia between January 2015 and December 2021 at a tertiary hernia center was identified. One-to-one propensity score matching was used to achieve a balanced exposure groups at baseline.

Results

Of 255 patients, 85/95 with open sublay repair were matched to 85/160 with lap. IPOM. Before matching, the open sublay group had significantly larger hernia defects (6.3 cm vs. 5.0 cm) than the lap. IPOM group. Other major baseline imbalances were also found in body mass index (BMI), obesity and European Hernia Society (EHS) width classification. The pre-match results showed that the lap. IPOM group had significantly shorter operative time (median 75 vs. 95 min) and shorter postoperative hospital stay (median 8 vs. 11 days) compared with the open sublay group. Wound infection (8.4% vs. 1.9%) and hematoma (5.3% vs. 0.6%) occurred more frequently after open sublay repair. After matching, baseline characteristics were well balanced. The recurrence rate and incidence of complications were comparable between the two groups. However, the post-match analysis still showed that lap. IPOM was associated with decreased length of postoperative stay.

Conclusion

The outcomes of recurrent incisional hernia surgery after lap. IPOM and open sublay repair appear similar, except that the former had shorter length of postoperative stay. However, the poor outcomes were more likely associated with the unfavorable risk profiles, such as larger defect size, rather than the procedure technique itself.
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Metadata
Title
Outcomes of recurrent incisional hernia repair by open and laparoscopic approaches: a propensity score-matched comparison
Authors
F. Chen
H. Yang
F. Wang
Y. Zhu
J. Chen
Publication date
01-08-2023
Publisher
Springer Paris
Published in
Hernia / Issue 5/2023
Print ISSN: 1265-4906
Electronic ISSN: 1248-9204
DOI
https://doi.org/10.1007/s10029-023-02833-9

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