[Status of the cellular immune system in acutely developing complications of peptic ulcer before and after surgical treatment].

The ulcer perforation of bleeding can arize against the background of immunodeficiency characterized by decreased T- and B-lymphocytes in the peripheral blood. The immunodeficiency retains after operation and can facilitate a recurrent disease. In the postoperative period it is necessary to control the immune system in order to correct immunodeficiency.