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Primate model for the study of the interaction of /sup 111/In-labeled baboon platelets with dacron arterial prostheses

Journal Article · · Ann. Surg.; (United States)
This paper presents early experience with a primate model for the noninvasive study of the interaction of circulating platelets with healing arterial prostheses. These experiments demonstrate that baboon platelets can be isolated and labeled with /sup 111/Indium with high efficiency using a sterile technique. Platelets subjected to this process have a linear life span similar to that of /sup 51/Chromium-labeled baboon platelets. The high energy gamma emission of /sup 111/Indium oxine allows for external scanning using a standard gamma camera. The small quantity of /sup 111/Indium-labeled platelets in the region of the graft can be discriminated from the surrounding blood vessel and quantitated by gamma camera imaging and computer analysis. There was a significant increase in the platelet deposition on prosthetic surfaces observed 5-48 hours after graft implantation and injection of /sup 111/Indium-labeled autologous platelets.
Research Organization:
Naval Blood Research Laboratory, Boston, MA
OSTI ID:
5437120
Journal Information:
Ann. Surg.; (United States), Journal Name: Ann. Surg.; (United States) Vol. 191:3; ISSN ANSUA
Country of Publication:
United States
Language:
English

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