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Assessment of bone graft substitutes in autopsy implant retrievals of the acetabulum in total hip arthroplasty.

Authors
Won, YY; Dorr, LD; Bloebaum, R; Wan, Z
Citation
The Journal of arthroplasty, 19(1):116-122, 2004
Journal Title
The Journal of arthroplasty
ISSN
0883-54031532-8406
Abstract
Two autopsy retrievals of acetabular reconstruction with different bone graft substitutes were analyzed. One patient underwent surgery with hydroxyapatite (HA) granules, and the other with demineralized bone chips. Incorporation occurred with the biomaterial bone-graft substitute HA primarily in the superior part of the acetabulum, where the HA was in contact with host cortical bone. No bony union occurred with the demineralized bone chips because of motion and migration of the acetabular cup. No bone incorporation of either bone-graft substitute was observed in the medial wall defects in both patients. There were two important findings: (1) the 3- to 8-mm depth and 70% to 75% surface of union of the HA bone graft substitute to host cortical bone was the same as seen with morselized, fresh-frozen bone graft; and (2) union of graft material to host bone was dependent on secure fixation of the acetabular construct.
MeSH terms
Acetabulum/*pathologyAgedAged, 80 and over*Arthroplasty, Replacement, Hip*Biocompatible Materials*Bone Transplantation*DurapatiteFemaleHip Joint/pathology/radiographyHumansReconstructive Surgical Procedures
PMID
14716659
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
AJOU Authors
원, 예연
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