[The comparison of the healing of the classic vascular prostheses and stentgrafts in the abdominal aneursyms]

Przemysław P Szyber, Artur Pupka, Dariusz Janczak, Stanisław Pawłowski, Artur Ruciński, Piotr Szyber
Polimery W Medycynie 2009, 39 (2): 39-48

THE PURPOSE: Every foreign body injected into an organism causes an inflammatory condition. Among other things leukocytes take part in it. The healing of a vascular prosthesis means gradual subsiding of an inflammatory condition. The process can be monitored with the series of scintigraphy following decrease of an area of concentrating of Technetium-labeled leukocytes. The purpose of work was an appraisal of the healing of both types of prostheses in cases of patients operated because of aneurism of abdominal aorta.

MATERIAL AND METHODS: In three years 64 patients have been examined. They were divided into two equal groups: I-patients after (stent-graft) being implanted because of abdominal aneurysm, II-patients after aortobifemoral prosthesis being implanted of the same reason. The scintigraphy was done in 3-4 day, in 3-, 6- and 12 after a surgery. A surface of concentrating of leucocytes was counted in a computer programme which allows manual marking of a contour. The results were put through a statistical processing.

RESULTS: During a period after surgery an intensified inflammatory condition has been stated in a group of patients operated in classic way. In both groups a decreasing of an inflammatory condition has been observed. After 12 months an area of concentrating of leucocytes took up to 10 percent of initial values.

CONCLUSIONS: The decreasing of an area of concentrating of leucocytes was observed independently of a type of vascular prosthesis. The higher reaction was where the classic prostheses were used. The scintigraphy shows only a cellular part of an inflammatory answer and it cannot be an independent way of a monitoring of the healing of the prostheses.

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