Methods: patients with a visible vessel on the bleeding peptic ulcer were divided into type Ⅱa, type Ⅱa+Ⅰa, type Ⅱa+Ⅰb and type Ⅱa+Ⅱb, according to Forrest classification.
Methods: patients with a visible vessel on the bleeding peptic ulcer were divided into type Ⅱa, type Ⅱa+Ⅰa, type Ⅱa+Ⅰb and type Ⅱa+Ⅱb, according to Forrest classification.
方法参考ForreSt分级将 例患者分为级:Ⅱa、Ⅱa+Ⅰa级、Ⅱa+Ⅰb级、Ⅱa+Ⅱb级。