消化性溃疡（ＰＵ）是十分常见的消化道疾病，出血为ＰＵ最常见的并发症之一。尽管近年来随着有效抗溃疡药物的不断问世及广泛应用，ＰＵ并发出血率仍约２０％～３０％［１］。目前ＰＵ并发出血的确切诱因仍不十分明了。我们分析了本院１９８９年１２月至１９９６年１２月... Peptic ulcer (PU) is a very common gastrointestinal disease, bleeding is one of the most common complications of PU. Although in recent years with the continuous emergence of effective anti-ulcer drugs and the widespread application of PU bleeding rate is still about 20% to 30% [1]. The exact cause of bleeding complicated by PU is still not very clear. We analyzed our hospital from December 1989 to December 1996 ...