Abstract
Purpose
Primary midline hernias arising in the linea alba are common. While mesh repair has been shown to reduce recurrence rates even in small hernias, many surgeons still use a suture repair for defects of less than 2 cm. The recent European and Americas Hernia Societies Guidelines recommended suture repair only for hernias smaller than 1 cm. A suture repair implies edge-to-edge or overlapping fascial margins, which necessarily involves tension on the repair. A darn is a tension-free repair where, in effect, a “mesh” is hand-woven across the defect in situ.
Methods
The darn repair is a modification of the darn techniques for inguinal hernia repair. Eligible patients undergoing this repair at the Royal Infirmary of Edinburgh between 1 January 2008 and 31 December 2017 were identified from a prospective computer-based medical record system and their case notes reviewed. Inclusion criteria were adult patients with a primary midline abdominal wall defect smaller than 2 cm in the widest diameter of the hernia defect measured intra-operatively. Patients were followed up by telephone in 2019. Those who reported possible recurrence or other symptoms in the region of their hernia repair were reviewed in the outpatient clinic.
Results
47 suture-darn repairs were undertaken over the 10-year period. Fifteen of the darn repair operations (32%) were performed under local anaesthesia. Forty-one patients were followed up with a mean of 80 ± 35 and median of 87 months after surgery. Six patients (13%) were lost to follow-up. Recurrence was found in two cases (5%) and one patient has since been diagnosed with a new epigastric hernia some 5 cm cranial to the previous repair.
Conclusions
The darn repair for small primary midline hernias is quick and inexpensive with promising long-term results. It can be performed under local anaesthesia. It can serve as an alternative to mesh repair for defects less than 2 cm in maximum dimension.
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Acknowledgements
The authors would like to thank Maria Zrzelska-Pawlak for the drawings that she made to better depict the technique.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by MP, MN and BT. The first draft of the manuscript was written by MP and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Pawlak, M., Newman, M., de Beaux, A.C. et al. The darn technique for small (< 2 cm diameter) midline hernias. Hernia 25, 625–630 (2021). https://doi.org/10.1007/s10029-020-02283-7
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DOI: https://doi.org/10.1007/s10029-020-02283-7