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Does primary closure of direct inguinal hernia defect during laparoscopic mesh repair reduce the risk of early recurrence?

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Abstract

Purpose

Hernia recurrence is an important complication following inguinal hernia repair. Primary closure of ventral hernia defects laparoscopically has been shown to reduce the risk of recurrence and seroma formation. The results for ventral hernias may potentially be applied to direct inguinal hernias. Our aim was to evaluate the value of primary closure of direct defects during laparoscopic inguinal hernia mesh repair in reducing the incidence of early recurrence.

Methods

A retrospective, single-center cohort study was conducted on cases performed from August 2016 to February 2018. Patients with direct inguinal hernias undergoing elective laparoscopic mesh repair were included. When performed, the direct hernia defect was primarily closed with extracorporeal non-absorbable interrupted sutures followed by standard placement of a lightweight mesh covering myopectineal orifices. Early recurrence was defined as occurring within 1 year of surgery.

Results

A total of 75 direct inguinal hernias in 53 patients who underwent surgery and completed at least 1 year of follow-up were analyzed. The mean age of patients was 63 years (range 44–82 years); with majority of patients being male (98.1%). There were no significant differences observed between the two patient populations in terms of demographics, mean operative time and risk factors. In 9 (16.9%) patients, the direct hernias were recurrent hernias and all underwent open mesh repair during the index hernia surgery. The majority of hernia repairs (63 hernias in 45 patients, 85%) were performed via the totally extraperitoneal (TEP) approach. 19 patients (35.8%) with 28 direct inguinal hernias underwent primary closure of the direct defect prior to mesh placement; while, 34 patients (64.2%) with 47 direct hernias did not undergo primary closure. There were 3 direct hernia recurrences (6.4%) at 1 year post-operatively, and all occurred in the non-closure group. In comparison, there were no recurrences in the closure group; however, this difference was not statistically significant (p = 0.289) in our study due to the small sample size.

Conclusion

Closure of direct inguinal hernia defects during laparoscopic mesh repair has been shown to reduce the incidence of early hernia recurrence in our retrospective study but future randomized controlled trials with large numbers would enable us to draw more robust conclusions and perhaps change the way we perform laparoscopic inguinal hernia repair.

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Authors and Affiliations

  1. Department of Surgery, Medical Centre, Changi General Hospital, 2 Simei Street 3, Singapore, 529889, Singapore

    A. Y. Ng, J. Lin, S. S. Ching, J. Lee & A. S. Y. Wong

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  1. A. Y. Ng
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  2. J. Lin
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  3. S. S. Ching
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  4. J. Lee
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  5. A. S. Y. Wong
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Correspondence to A. Y. Ng.

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All the authors declare that they have no conflict of interest.

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This study was approved by the hospital’s ethics committee and waiver of consent was granted for this retrospective review.

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The study including human participants has been performed in accordance with the ethical standards of the Declaration of Helsinki and its later amendments.

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For this retrospective review, formal consent is not required.

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Ng, A.Y., Lin, J., Ching, S.S. et al. Does primary closure of direct inguinal hernia defect during laparoscopic mesh repair reduce the risk of early recurrence?. Hernia 24, 1093–1098 (2020). https://doi.org/10.1007/s10029-020-02257-9

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  • DOI: https://doi.org/10.1007/s10029-020-02257-9

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