| Summary: | Background During pregnancy, women are at risk of developing persistent symptomatic diastasis recti abdominis (DRA), which may have a detrimental effect on their physical function and quality of life (QoL). The aim of this prospective cohort study was to determine the effect of surgical repair of DRA on abdominal trunk function, urinary incontinence and QoL in postpartum women with trunk instability symptoms resistant to training. Methods Postpartum women with diagnosed DRA and training‐resistant symptoms underwent double‐row plication of the linea alba. Abdominal trunk function was evaluated as the primary endpoint using a multimodal examination tool, the Abdominal Trunk Function Protocol. Recurrence was assessed by CT, urinary incontinence was evaluated using the Urogenital Distress Inventory (UDI‐6) and Incontinence Impact Questionnaire (IIQ‐7), and QoL was assessed with the Short Form 36 (SF‐36®) questionnaire. All subjects were examined before and 1 year after surgery. Results Sixty women were recruited. There was no DRA recurrence at the 1‐year follow‐up. Self‐reported abdominal trunk function had improved in 98 per cent of patients, with a mean score improvement of 79·1 per cent. In the physiological tests monitored by a physiotherapist, 76 per cent performed better and endured exercise tests longer than before surgery. All SF‐36® subscales improved significantly compared with preoperative scores and reached levels similar to, or higher than, the normative Swedish female population. For the UDI‐6 and IIQ‐7, 47 and 37 per cent respectively reported fewer symptoms at follow‐up than before surgery, and 13 and 8 per cent respectively reported more symptoms. Conclusion In this series of postpartum women presenting with DRA and symptoms of trunk instability resistant to training, surgical reconstruction resulted in a significant improvement in abdominal trunk function, urinary incontinence and QoL.
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