International Journal of Colorectal Disease

, Volume 33, Issue 12, pp 1709–1714 | Cite as

Impact of sphincter lesions and delayed sphincter repair on sacral neuromodulation treatment outcomes for faecal incontinence: results from a Finnish national cohort study

  • Jaan KirssJr
  • Tarja Pinta
  • Tero Rautio
  • Pirita Varpe
  • Matti Kairaluoma
  • Marja Hyöty
  • Saija Hurme
  • Camilla Böckelman
  • Valtteri Kairaluoma
  • Sinikka Salmenkylä
  • Mikael Victorzon
Original Article



The aim of this multicentre study was to analyse the effects of patent sphincter lesions and previous sphincter repair on the results of sacral neuromodulation (SNM) treatment on patients with faecal incontinence (FI).


Patients examined by endoanal ultrasound (EAUS) with FI as the indication for SNM treatment were included in the study. Data was collected from all the centres providing SNM treatment in Finland and analysed for differences in treatment outcomes.


A total of 237 patients treated for incontinence with SNM had been examined by EAUS. Of these patients, 33 had a history of previous delayed sphincter repair. A patent sphincter lesion was detected by EAUS in 128 patients. The EAUS finding did not influence the SNM test phase outcome (p = 0.129) or the final treatment outcome (p = 0.233). Patient’s history of prior sphincter repair did not have a significant effect on the SNM test (p = 0.425) or final treatment outcome (p = 0.442).


Results of our study indicate that a sphincter lesion or previous sphincter repair has no significant effect on the outcome of SNM treatment. Our data suggests that delayed sphincter repair prior to SNM treatment initiation for FI is not necessary.


Faecal incontinence Sacral neuromodulation Endoanal ultrasound Obstetric anal sphincter injury Anal sphincter repair 



We would like to thank Ms. Elizabeth Prouty, for her revision of the English language.

Compliance with ethical standards

This study was conducted in accordance with Finnish Medical Research Act 488/199, 295/2004 and approved by the Ethics Committee of the Hospital District of Southwest Finland (ETMK: 163/1801/2015).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Jaan KirssJr
    • 1
    • 2
  • Tarja Pinta
    • 3
  • Tero Rautio
    • 4
  • Pirita Varpe
    • 1
  • Matti Kairaluoma
    • 5
  • Marja Hyöty
    • 6
  • Saija Hurme
    • 2
  • Camilla Böckelman
    • 7
  • Valtteri Kairaluoma
    • 5
  • Sinikka Salmenkylä
    • 7
  • Mikael Victorzon
    • 2
    • 8
  1. 1.Turku University HospitalTurkuFinland
  2. 2.University of TurkuTurkuFinland
  3. 3.Seinäjoki Central HospitalSeinäjokiFinland
  4. 4.Oulu University HospitalOuluFinland
  5. 5.Jyväskylä Central HospitalJyväskyläFinland
  6. 6.Tampere University HospitalTampereFinland
  7. 7.Helsinki University Hospital and University of HelsinkiHelsinkiFinland
  8. 8.Vaasa Central HospitalVaasaFinland

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