A-W glass ceramic as a bone substitute in cemented hip arthroplasty 15 hips followed 2–10 years

Keiichi Kawanabe Department of Orthopedic Surgery Faculty of Medicine, Kyoto University, 54 Kawahara-cho Shogoin, Sakyo-ku, Kyoto, 606-01, Japan, +81 75–751–3652, Fax-8409

Hirokazu Lida Department of Orthopedic Surgery Faculty of Medicine, Kyoto University, 54 Kawahara-cho Shogoin, Sakyo-ku, Kyoto, 606-01, Japan, +81 75–751–3652, Fax-8409

Yoshitaka Matsusue Department of Orthopedic Surgery Faculty of Medicine, Kyoto University, 54 Kawahara-cho Shogoin, Sakyo-ku, Kyoto, 606-01, Japan, +81 75–751–3652, Fax-8409

Hidekazu Nishimatsu Department of Orthopedic Surgery Faculty of Medicine, Kyoto University, 54 Kawahara-cho Shogoin, Sakyo-ku, Kyoto, 606-01, Japan, +81 75–751–3652, Fax-8409

Ryuichi Kasai Department of Orthopedic Surgery, Nishi-Kobe Medical Center, 5–7–1 Kojidai, Nishi-ku, Kobe, 651-22, Japan

Takashi Nakamura Department of Orthopedic Surgery Faculty of Medicine, Kyoto University, 54 Kawahara-cho Shogoin, Sakyo-ku, Kyoto, 606-01, Japan, +81 75–751–3652, Fax-8409

Abstract

We retrospectively reviewed hip arthroplasties in 13 patients (15 hips), in whom we had used apatite-wol-lastonite (A-W) glass ceramic together with auto- or allograft for augmentation of severe bone deficiency. 11 cemented sockets and 4 stem revisions were included and followed for 2–9.6 years. There were no radiolucent lines between A-W glass ceramic and surrounding bone, and remodeling of the bone graft containing A-W glass ceramic was observed.

No migration of cemented sockets was seen except in 1 case, which was revised. In this case, direct bonding between bone and A-W glass ceramic granules was present histologically. In 4 stem revisions, 5 mm subsidence occurred in 1 case. However, the stem became stable and remodeling of the grafted bone occurred. An artificial bone material, such as A-W glass ceramic, can be used under high-load conditions, because of its good mechanical properties.

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A-W glass ceramic as a bone substitute in cemented hip arthroplasty 15 hips followed 2–10 years

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A-W glass ceramic as a bone substitute in cemented hip arthroplasty 15 hips followed 2–10 years

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