Clostridium difficile infection in the postcolectomy patient.

Area of Science:

• Gastroenterology and Hepatology
• Infectious Diseases
• Colorectal Surgery

Background:

• Clostridium difficile infection (CDI) is increasingly recognized after total colectomy.
• C. difficile enteritis (CDE) is rare, while C. difficile pouchitis (CDP) affects about 10% of symptomatic patients with pouch dysfunction.
• The ileal pouch shares physiological and cellular similarities with the colon, potentially increasing susceptibility to CDI.

Purpose of the Study:

• To review the occurrence, risk factors, and management of Clostridium difficile infection in patients following total colectomy, specifically C. difficile enteritis (CDE) and C. difficile pouchitis (CDP).
• To highlight diagnostic considerations and therapeutic options for post-colectomy CDI.

Main Methods:

• Review of existing literature on Clostridium difficile infection in patients who have undergone total colectomy.
• Analysis of risk factors associated with CDE and CDP.
• Evaluation of diagnostic methods, including endoscopy, and therapeutic strategies, including antibiotics and fecal microbiota transplantation.

Main Results:

• Antibiotic use and comorbidities may be risk factors for CDE, while male gender, recent hospitalization, and pre-surgery antibiotics are risk factors for CDP.
• CDI can manifest as a spectrum from asymptomatic colonization to severe infection in post-colectomy patients.
• Vancomycin is a first-line therapy for CDP, and fecal microbiota transplantation is an option for refractory CDP.

Conclusions:

• CDI should be considered in ostomy patients with fever/increased output and ileal pouch patients with altered symptoms or chronic pouchitis.
• Endoscopy is useful for diagnosis, though pseudomembranes are often absent.
• Treatment strategies, including vancomycin and fecal microbiota transplantation, should be tailored to the specific type of post-colectomy CDI.