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Sacral nerve stimulation for constipation: long-term outcomes.

S Gortazar de Las Casas1, I Rubio-Pérez2, J Saavedra Ambrosy2

  • 1Department of Surgery, La Paz University Hospital, Madrid, Spain. saragortazar@gmail.com.

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Summary
This summary is machine-generated.

Sacral nerve stimulation (SNS) shows a 30% response rate for chronic constipation, with a small subset of patients reporting high satisfaction. Further research is needed to identify predictors of success for this refractory condition.

Keywords:
ConstipationPatient reported outcome measuresSacral nerve stimulation

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Area of Science:

  • Gastroenterology
  • Neurology
  • Urology

Background:

  • Controversy exists regarding the long-term efficacy and cost-effectiveness of sacral nerve stimulation (SNS) for chronic constipation.
  • Previous studies report variable outcomes, necessitating further investigation into patient response and satisfaction.

Purpose of the Study:

  • To evaluate the long-term outcomes of sacral nerve stimulation (SNS) in patients diagnosed with chronic constipation.
  • To assess patient satisfaction and identify potential predictors of response to SNS therapy.

Main Methods:

  • A retrospective analysis of patients who underwent SNS for chronic constipation between 2008 and 2017.
  • Investigation of clinical factors, constipation profiles, physiological studies, and patient satisfaction up to 10 years post-implantation.

Main Results:

  • Out of 29 patients tested, 24 received SNS implants. Mean follow-up was 59 months.
  • Overall efficacy, defined as symptom improvement score >5, was achieved in 37.9% of implanted patients.
  • High patient satisfaction (score >9) was reported in 25% of cases, though no statistically significant predictors of response were identified due to small sample size.

Conclusions:

  • The study confirms a response rate of approximately 30% for SNS in refractory constipation, aligning with existing literature.
  • A distinct subgroup of patients experiences significant satisfaction with SNS therapy.
  • Further research is crucial to elucidate the characteristics of highly satisfied patients and optimize SNS treatment strategies for chronic constipation.