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The efficacy of sacral neuromodulation in the treatment of low anterior resection syndrome: a systematic review and meta-analysis

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Abstract

Background

Sacral neuromodulation (SNM) has become one of the main treatment options in patients with fecal incontinence. The aim of this study was to determine the efficacy of sacral neuromodulation in the treatment of low anterior resection syndrome (LARS).

Methods

A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. The search was conducted using the Pubmed, Embase, Ovid, and Cochrane databases, restricted to the English language and to articles published from 2000 to November 2018.

Results

A total of 434 articles on the efficacy of SNM in the treatment of LARS were retrieved, and 13 studies were included in the final analysis, with a total of 114 patients treated with SNM for LARS The overall success rate excluding study heterogeneity was 83.30% [95% CI (71.33–95.25%)]. Improvement in anal continence was seen in several clinical and functional parameters, including the Wexner Score [10.78 points, 95% CI (8.55–13.02), p < 0.0001], manometric maximum resting pressure [mean improvement of 6.37 mm/Hg, 95% CI (2.67–10.07), p = 0.0007], maximum squeeze pressure [mean improvement of 17.99 mm/Hg, 95% CI (17.42–18.56), p < 0.0001] and maximum tolerated volume [mean improvement of 22.74 ml, 95% CI (10.65–34.83), p = 0.0002]. Quality of life questionnaires also demonstrated significant improvement in patients’ quality of life, but were reported only in a small group of included patients.

Conclusions

SNM significantly improves symptoms and quality of life in patients suffering from fecal incontinence following low anterior resection.

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Acknowledgements

The authors thank Lisa Deutsch, PhD, for statistical analysis and manuscript revision. The authors thank Stefan Engelberg, PhD, for his excellent assistance and manuscript revision.

Funding

None to declare.

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Authors and Affiliations

  1. Department of Surgery B, Sheba Medical Centre, Tel Hashomer, Israel

    E. Ram, M. Gutman, D. Rosin & N. Horesh

  2. Tel Aviv University, Tel Aviv, Israel

    E. Ram, R. Meyer, D. Carter, M. Gutman, D. Rosin & N. Horesh

  3. Department of Gynecology and Obstetrics, Sheba Medical Centre, Tel Hashomer, Israel

    R. Meyer

  4. Department of Gastroenterology, Sheba Medical Centre, Tel Hashomer, Israel

    D. Carter

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Correspondence to E. Ram.

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Electronic supplementary material

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Supplementary file1 Correlation between PNE lead type and SNM treatment success (DOCX 128 kb)

10151_2020_2231_MOESM2_ESM.docx

Supplementary file2 Correlation between duration of time passing between PNE implantation and a permanent SNM implantation and treatment success (DOCX 153 kb)

Supplementary file3 Correlation between type of rectal anastomosis and SNM treatment success (DOCX 60 kb)

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Ram, E., Meyer, R., Carter, D. et al. The efficacy of sacral neuromodulation in the treatment of low anterior resection syndrome: a systematic review and meta-analysis. Tech Coloproctol 24, 803–815 (2020). https://doi.org/10.1007/s10151-020-02231-8

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