Heterotopic ossification after total knee arthroplasty

Takashi Toyoda; Hedeo Matsumoto; Takashi Tsuji; Junnosuke Kinouchi; Kyosuke Fujikawa

doi:10.1016/S0883-5403(03)00194-3

Heterotopic ossification after total knee arthroplasty

Takashi Toyoda, Hedeo Matsumoto, Takashi Tsuji, Junnosuke Kinouchi, Kyosuke Fujikawa

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

The incidence of heterotopic ossification (HO) after total knee arthroplasty (TKA) and its effect on the postoperative range of motion (ROM) were assessed in 63 primary TKAs. Twenty-five of 63 knees (39%) showed postoperative HO, most of which were found in the region anterior to the distal femur. The incidence of HO was significantly higher (P < .05) in the osteoarthritic knees than in the rheumatoid knees. Significant positive correlation was seen between the preoperative grade of osteophyte formation and the incidence of postoperative HO. The ROM in the knees with HO was not significantly different than that in the knees without HO at 1 year after surgery. Thus, we concluded that HO after TKA is a self-limiting condition and its pathogenesis is completely different from that of myositis ossificance.

Original language	English
Pages (from-to)	760-764
Number of pages	5
Journal	Journal of Arthroplasty
Volume	18
Issue number	6
DOIs	https://doi.org/10.1016/S0883-5403(03)00194-3
Publication status	Published - 09-2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

Orthopedics and Sports Medicine

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10.1016/S0883-5403(03)00194-3

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title = "Heterotopic ossification after total knee arthroplasty",

abstract = "The incidence of heterotopic ossification (HO) after total knee arthroplasty (TKA) and its effect on the postoperative range of motion (ROM) were assessed in 63 primary TKAs. Twenty-five of 63 knees (39%) showed postoperative HO, most of which were found in the region anterior to the distal femur. The incidence of HO was significantly higher (P < .05) in the osteoarthritic knees than in the rheumatoid knees. Significant positive correlation was seen between the preoperative grade of osteophyte formation and the incidence of postoperative HO. The ROM in the knees with HO was not significantly different than that in the knees without HO at 1 year after surgery. Thus, we concluded that HO after TKA is a self-limiting condition and its pathogenesis is completely different from that of myositis ossificance.",

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AU - Toyoda, Takashi

AU - Matsumoto, Hedeo

AU - Tsuji, Takashi

AU - Kinouchi, Junnosuke

AU - Fujikawa, Kyosuke

PY - 2003/9

Y1 - 2003/9

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AB - The incidence of heterotopic ossification (HO) after total knee arthroplasty (TKA) and its effect on the postoperative range of motion (ROM) were assessed in 63 primary TKAs. Twenty-five of 63 knees (39%) showed postoperative HO, most of which were found in the region anterior to the distal femur. The incidence of HO was significantly higher (P < .05) in the osteoarthritic knees than in the rheumatoid knees. Significant positive correlation was seen between the preoperative grade of osteophyte formation and the incidence of postoperative HO. The ROM in the knees with HO was not significantly different than that in the knees without HO at 1 year after surgery. Thus, we concluded that HO after TKA is a self-limiting condition and its pathogenesis is completely different from that of myositis ossificance.

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Heterotopic ossification after total knee arthroplasty

Abstract

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