Long-Term Outcome of Children with Short Bowel Syndrome Treated with a Modification of the STEP Technique Avoiding

Javier Bueno1,2, Laura García-Martínez1, Susana Redecillas1

  • 1Department of Pediatric Surgery, Vall d'Hebron University Hospital, Barcelona, Catalunya, Spain.

Insights

The modified Serial Transverse Enteroplasty (MSTEP) procedure shows promise for achieving enteral autonomy in pediatric short bowel syndrome (SBS) patients. This technique, applicable to the duodenum, resulted in 73% of patients achieving autonomy, influenced by retained colon length.

Area of Science:

  • Pediatric Surgery
  • Gastroenterology
  • Surgical Innovation

Background:

  • Pediatric short bowel syndrome (SBS) presents significant challenges in achieving enteral autonomy.
  • The Serial Transverse Enteroplasty (STEP) Registry reported a 47% success rate for enteral autonomy.
  • A modified STEP (MSTEP) technique was developed, avoiding mesenteric defects and applicable to the duodenum.

Purpose of the Study:

  • To describe the experience and outcomes of the modified Serial Transverse Enteroplasty (MSTEP) procedure in children with SBS.
  • To evaluate the MSTEP technique's effectiveness in achieving nutritional and bacterial overgrowth treatment.

Main Methods:

  • Sixteen children with SBS underwent the MSTEP procedure between 2005 and 2019.
  • Indications included achieving nutritional autonomy (11 patients, 5 with duodenal lengthening) and treating bacterial overgrowth (5 patients).
  • Follow-up median was 5.8 years.

Main Results:

  • Overall, 73% of patients achieved enteral autonomy after MSTEP and potential redo procedures, including all cases with duodenal lengthening.
  • A significant correlation was observed between retained colon length and enteral autonomy (p < 0.05).
  • Patients treated for bacterial overgrowth showed improved metabolic/nutritional status.

Conclusions:

  • The MSTEP technique demonstrates comparable effectiveness to the classical STEP for achieving enteral autonomy in pediatric SBS.
  • MSTEP is a viable option for duodenal lengthening in SBS patients.
  • Retained colon length is a critical factor influencing post-MSTEP enteral autonomy achievement.
Abstract