[New guideline for peptic ulcer treatment, attention to low-dose aspirin].

The guideline for peptic ulcer treatment was reported in 2009. In the guideline, eight clinical questions were chosen for peptic ulcers associated with use of low-dose aspirin. Five questions out of them were related to the clinical behavior, and three were the treatment of peptic ulcers in patients taking low-dose aspirin. The statements were made for these questions according to EBM respectively. In the statements, the grade of recommendation, the evidence level of literatures and the application to Japanese medical insurance were mentioned.