Overview
Intestinal infectious diseases encompass a range of conditions caused by pathogens affecting the gastrointestinal tract, leading to symptoms such as diarrhea, abdominal pain, and malabsorption. Diagnosis and management often rely on clinical presentation, laboratory tests, and imaging techniques.Diagnosis
Clinical Presentation: Acute abdominal pain, diarrhea, fever, and signs of systemic infection.
Laboratory Tests: Stool cultures, PCR for pathogen identification, and blood tests for inflammatory markers.
Imaging: CT scans for detecting intestinal wall abnormalities and ischemia 2.
Endoscopic Evaluation: Useful for visualizing mucosal changes and obtaining biopsies 12.Management
Antimicrobial Therapy: Tailored to identified pathogen (e.g., antibiotics for bacterial infections).
Supportive Care: Fluid resuscitation, electrolyte correction, and nutritional support.
Antiparasitic Drugs: For parasitic infections, specific to the causative agent.
Probiotics: Considered for restoration of gut microbiota balance 5.Special Populations
Pregnancy: Close monitoring and cautious use of antimicrobials to avoid fetal harm 2.
Pediatrics: Emphasis on hydration and age-appropriate dosing of medications 2.
Elderly: Increased vigilance for complications like dehydration and sepsis 2.Key Recommendations
Utilize CT scans for automated detection of intestinal abnormalities and ischemia to guide emergency surgical decisions 2 (Evidence: Moderate).
Employ stool cultures and PCR for accurate identification of infectious agents in suspected cases 2 (Evidence: Moderate).
Consider the use of probiotics to support gut health in recovery phases, particularly in pediatric and elderly populations 5 (Evidence: Weak).
Tailor antimicrobial therapy based on specific pathogen identified through laboratory tests 2 (Evidence: Moderate).
Provide aggressive supportive care including fluid and electrolyte management in all age groups 2 (Evidence: Expert opinion).References
1 Li N, Yousefi M, Nakauka-Ddamba A, Tobias JW, Jensen ST, Morrisey EE et al.. Heterogeneity in readouts of canonical wnt pathway activity within intestinal crypts. Developmental dynamics : an official publication of the American Association of Anatomists 2016. link
2 Tsunoyama T, Pham TD, Fujita T, Sakamoto T. Automated CT detection of intestinal abnormalities and ischemia for decision making in emergency medicine. Biomedical engineering online 2014. link
3 Sakharov IYu, Makarova IE, Ermolin GA. Purification and characterization of intestinal alkaline phosphatase from harp seal. Comparative biochemistry and physiology. B, Comparative biochemistry 1988. link90324-0)
4 Citi S, Kendrick-Jones J. Studies on the structure and conformation of brush border myosin using monoclonal antibodies. European journal of biochemistry 1987. link
5 Danielsen EM. Biosynthesis of intestinal microvillar proteins. Expression of aminopeptidase N along the crypt-villus axis. European journal of biochemistry 1984. link