Functional gastrointestinal disorders: advances in understanding and management

Area of Science:

• Gastroenterology and Gut-Brain Axis Research

Background:

• Functional gastrointestinal disorders (FGIDs) are common, affecting up to 40% of the population, often with chronic symptoms.
• These conditions, now termed disorders of gut-brain interaction, lack clear organic explanations and involve complex pathophysiology.
• Key factors include gut-brain axis dysregulation, microbial imbalance, immune changes, visceral hypersensitivity, and altered motility.

Purpose of the Study:

• To highlight the prevalence and impact of functional gastrointestinal disorders.
• To emphasize the complexity of their pathophysiology and the importance of prompt diagnosis and treatment.
• To discuss current diagnostic and treatment principles and future personalized approaches.

Main Methods:

• Diagnosis relies on symptom-based criteria with judicious use of limited investigations.
• Treatment principles are guided by a biopsychosocial model, addressing physical and psychological symptoms.
• Research explores the gut-brain axis, microbial dysbiosis, and immune function in FGIDs.

Main Results:

• FGIDs significantly impact quality of life, work ability, and healthcare systems due to repeated consultations and interventions.
• Psychological comorbidity is frequent, though its relationship with symptom onset is unclear.
• Current management focuses on symptom control and a biopsychosocial approach.

Conclusions:

• Effective identification and management of disorders of gut-brain interaction are crucial due to their societal and economic burden.
• Future treatments aim for personalization based on individual pathophysiology and psychological profiles.
• Improved physician communication and patient education are essential for managing these chronic conditions.