Post-Surgical Gut Microbiota Alterations in Pediatric Patients with Intestinal Disorders

Area of Science:

• Pediatric Surgery
• Gastroenterology
• Microbiome Research

Background:

• Surgical interventions for pediatric conditions like necrotizing enterocolitis (NEC), Hirschsprung's disease (HD), inflammatory bowel disease (IBD), and short bowel syndrome (SBS) can significantly impact gut microbiota (GM) composition and diversity.
• While adult data on post-surgical GM dysbiosis and complications are established, there is a critical lack of pediatric-specific information.
• Altered GM following pediatric intestinal surgery is linked to potential complications such as surgical infections, intestinal obstructions (IO), and anastomotic leaks (AL).

Purpose of the Study:

• To review the current understanding of unique alterations in gut microbiota (GM) following surgery for significant childhood intestinal conditions.
• To highlight the gap in pediatric-specific data regarding post-surgical GM dysbiosis and its associated complications.
• To emphasize the need for research into perioperative GM modulation in children undergoing intestinal surgery.

Main Methods:

• This study is a detailed narrative review of existing literature.
• It synthesizes current knowledge on GM changes and complications after pediatric intestinal surgery.
• The review focuses on conditions including NEC, HD, IBD, and SBS.

Main Results:

• Surgical procedures can alter GM diversity and structure, potentially leading to post-surgical complications in children.
• Current research offers an initial understanding of GM implications for outcomes in pediatric intestinal disorders.
• A significant knowledge gap exists concerning pediatric-specific post-surgical GM dysbiosis and its complications (e.g., IO, AL).

Conclusions:

• The identified gap in pediatric data represents both a clinical risk and a therapeutic opportunity.
• Further research is crucial to clarify GM alterations associated with specific pediatric intestinal surgical procedures and their complications.
• Understanding these GM changes may guide the development of targeted, GM-modulating treatments for children.