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

摘要目的探讨慢性末端回肠炎的回缩功能变化及意义。

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

此前有临表明：UC-PSC患者直肠不受累和发生反流性回肠炎的几率高。