Patients over the age of 64 who recently underwent what procedure are at greater risk for developing CDI?

Patients who have recently undergone gastrointestinal surgery are at greater risk for developing Clostridium difficile infection (CDI) due to several key factors typically associated with this type of procedure.

Gastrointestinal surgeries can significantly disrupt the normal intestinal flora, which is crucial for maintaining a balance of bacteria in the gut. This disruption can result from the surgical manipulation of the intestines, changes in diet, or the administration of antibiotics to prevent postoperative infections. Antibiotics can further decrease the levels of protective bacteria and allow C. difficile, which may be present in a patient's system in small amounts, to proliferate uncontrollably, leading to infection.

Additionally, older adults are generally more susceptible to a range of complications post-surgery, including infections. The immune system tends to weaken with age, making it less effective at fighting off opportunistic infections like CDI. Therefore, when gastrointestinal surgery is performed, the compounded effects of surgical stress, potential antibiotic use, and a naturally declining immune response can lead to an increased risk of CDI in patients aged 64 and older.

Understanding the specific risks associated with various types of surgery helps healthcare professionals better monitor and manage postoperative patients, especially those in vulnerable age groups.