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KMID : 0374919950160040579
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Inje Medical Journal
1995 Volume.16 No. 4 p.579 ~ p.586
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The Role of Periosteum and Endosteum in Fracture Healing
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Abstract
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In callus formation stage of fracture healing, periosteal and endosteal mesenchymal cells begin to differentiate and from the fibrocartilaginous callus. But a long standing controversy exists as to the osteogenic potential of periosteum and
endosteum.
Our study was designed to determine the role of periosteum and endosteum in fracture healing of rabbits. Transverse osteotomy was performed in the tibia diaphysis and the osteotomized bone was stabilized with a pin and resin external fixation.
The
rabbits were divided into four experimental group; group 1-The periosteum and endosteum were not removed. Group 2-The endosteum was removed. Group 3-The periosteum was removed. Group 4-The periosteum and endosteum were removed.
Following operation, the process of new bone formation was monitored by radiographs weekly. The appearance of fracture callus on conventional radiographs is an important finding in the assessment of fracture healing.
The fracture healing was delayed in the group that the periosteum had been removed at operation but was not largely influenced in the group that the of scrapig of endosteum. This result suggests that the periosteum plays a more important role in
fracture healing than the endosteum does.
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