NEUROANASTOMOSIS OF ORTHOTOPICALLY TRANSPLANTED PALMARIS LONGUS MUSCLES

被引:17
作者
MAXWELL, LC [1 ]
FAULKNER, JA [1 ]
MARKLEY, JM [1 ]
WINBORN, DR [1 ]
机构
[1] UNIV MICHIGAN,SCH MED,DEPT SURG,PLAST SURG SECT,ANN ARBOR,MI 48109
关键词
D O I
10.1002/mus.880020107
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Palmaris longus (PML) muscles of rhesus monkeys were transplanted, with or without anastomosis of the median nerve, to the nerve stump of the autograft. Because PML autografts revascularize spontaneously, vascular anastomoses were not performed. Muscle fibers regenerated in all autografts with neuroanastomosis, but in only three of eight autografts without neuroanastomosis. Five autografts without neuroanastomosis were replaced by noncontractile connective tissue. Growth and differentiation of muscle fibers into three fiber types and development of capillarity were analyzed histochemically, and succinate oxidase activity of whole‐muscle homogenates was determined. None of these measures reached values for control PML muscles within 100 days of transplantation. In comparison to control muscles, autografts had slower times to peak tension and less absolute tension, but similar tension per square centimeter of muscle fiber cross‐sectional area. Monkey PML autografts with neuroanastomosis were similar in structure and function to cat extensor digitorum longus autografts that had not had neuroanastomosis. Copyright © 1979 Houghton Mifflin Professional Publishers
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页码:44 / 52
页数:9
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