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Distribution of arterial blood flow in human hepatic cancer during chemotherapy--examination by short-lived /sup 81m/Kr

Journal Article · · Surgery; (United States)
OSTI ID:5553375
Using the characteristics of short-lived radioisotope, /sup 81m/Kr (half- life = 13 seconds), the authors studied the distribution of arterial blood flow of human hepatic cancers during intra-hepatic arterial chemotherapy. Sixteen patients with primary and metastatic cancer were catheterized into the hepatic artery during operation. /sup 81m/Kr solution was continuously infused via the hepatic artery with the patient in the supine, upright, right-side down, and left-side down positions. The frontal and right-side images of the liver were taken with a scinticamera. The tumor/nontumor ratio of the hepatic arterial flow in the supine position was more than one in 14 of 15 patients. The patterns of arterial flow distribution of /sup 81m/Kr in the four positions were compared. In 11 patients the tumor/nontumor ratio of one of the other positions was significantly higher than that of the supine position. It is expected that this quantitative measurement will be a good indicator for evaluation of a drug's accessibility to the tumor in the first pass. Moreover, the choice of the most effective position for intra-arterial infusion chemotherapy by this test will be possible to increase the relative amount of drug reaching the tumor. This technique may be applicable mainly to short-term drug infusion.
Research Organization:
Center for Adult Diseases, Osaka, Japan
OSTI ID:
5553375
Journal Information:
Surgery; (United States), Journal Name: Surgery; (United States) Vol. 97:4; ISSN SURGA
Country of Publication:
United States
Language:
English