Final answer:
A fecal transplant is used as a treatment for C.difficile colitis when other conventional methods have failed. It involves transplanting a stool sample from a healthy individual to restore the gut microbiota.
Step-by-step explanation:
A fecal transplant is used to treat C.difficile colitis when other conventional treatments have failed. It involves taking a stool sample from a healthy individual and transplanting it into the recipient's digestive system through methods like colonoscopy, endoscopy, sigmoidoscopy, or enema. This procedure aims to restore the microbiota of the gut and has been shown to have a success rate of over 90% in resolving C.difficile infections.