Aspirin as prophylaxis against colorectal cancer

Article Abstract:

Several studies, including a 1995 study of nurses, indicate that regular use of aspirin reduces the risk of colorectal cancer. The mechanism of this risk reduction is not completely understood. Aspirin may inhibit abnormal cell growth by altering the metabolism of arachidonic acid and inhibiting platelet function. Aspirin inhibits the enzymes that convert arachidonic acid into prostaglandins and other eicosanoids from arachidonic acid. This inhibitory effect leads to increased synthesis of hydroxy acids that prevent multiplication of cells. In addition to aspirin, other nonsteroidal anti-inflammatory drugs reduce the size of polyps in the colon and the risk of colon cancer. Aspirin also inhibits the action of platelets, which normally release chemicals that promote cell growth. People with a risk of colorectal cancer should take one aspirin tablet every other day, as long as there are no distinct reasons to avoid the drug.

Editorial, Physiological aspects, Aspirin

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Ertapenem versus cefotetan prophylaxis in elective colorectal surgery

Article Abstract:

A randomized, double-blind trial assessed the efficacy and safety of antibiotic prophylaxis with ertapenem, as compared with cefotetan, in patients undergoing elective colorectal surgery. Results show ertapenem is more effective than cefotetan in the prevention of surgical-site infection in patients undergoing elective colorectal surgery but it may be associated with an increase in Clostridium difficile infection.

Diagnosis, Prophylaxis, Clinical report

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Celecoxib for the prevention of colorectal adenomatous polyps

Article Abstract:

Subjects who have a history of colonic adenomas and have undergone colonoscopy and polypectomy are treated for three years with a daily dose of celecoxib in order to examine its effectiveness in prevention of colorectal adenomatous polyps. Results reveal that a daily dose of celecoxib significantly reduces the occurrence of colorectal adenomas within three years of polypectomy.

Celecoxib

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