[Abstract] [Full Text PDF] (in Japanese / 2135KB) [Members Only And Two Factor Auth.]

J.Jpn. Surg. Soc.. 85(1): 49-55, 1984


Original article

EXPERIMENTAL STUDIES ON THE RAT-MODEL FOR PARTIAL SPLENECTOMY AND ON SPLEEN REGENERATION

*) The Second Department of Surgery, Tohoku University School of Medicine, Sendai, Japan
**) Department of Surgery, Columbus Children's Hospital, Columbus, U.S.A.

Tsuneo Chiba*), E. Thomas Boles, Jr**), Gloria Staples**)

Partial splenectomy is oftern preferred to total splenectomy as a method to prevent serious postoperative sepsis. However, most of the previous researches on spleen function following partial splenctomy have failed to provide accurate data on the minimum increase of residual spleen in weight necessary for protection against postoperative sepsis. This is not only to the lack of appropriate model but also to the negligence of the effects of spleen regeneration after partial splenectomy.
To produce an accurate model for partial splencetomies, and to know how the spleen regenerates following partial resection, about 500 rats underwent partial splenectomies. From these experiments, the following results were obtained.
1) These partial splenectomies based on length of the spleen were satisfactory models as partial splenctomy.
2) Absolute volume of regenerated spleen was finally almost the same in every model. However, the less the remnant spleen was the longer period was necessary until the spleen regeneration completed.


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