To investigate the chronic terminal ileitis ileocecal valve systolic and diastolic function and its significance.

摘要目探讨慢性末端肠炎瓣舒缩功能变化及意义。

One previous clinical study suggested that UC-PSC patients reveal a high rate of rectal sparing and backwash ileitis.

此前有临床分：UC-PSC患者直肠不受累和发生反流性肠炎几率高。