Beta-tricalcium Phosphate Shows Superior Absorption Rate and Osteoconductivity Compared to Hydroxyapatite in Open-wedge High Tibial Osteotomy

Overview

Journal Knee Surg Sports Traumatol Arthrosc

Publisher Wiley

Specialties Emergency Medicine
General Surgery
Orthopedics

Date 2013 Sep 19

PMID 24045917

Citations 26

Authors

Jun Onodera

Eiji Kondo

Nobuyuki Omizu

Daisuke Ueda

Tomonori Yagi

Kazunori Yasuda

Affiliations

Soon will be listed here.

Abstract

Purpose: The purpose of this study was to clinically and radiologically compare the utility, osteoconductivity, and absorbability of hydroxyapatite (HAp) and beta-tricalcium phosphate (TCP) spacers in medial open-wedge high tibial osteotomy (HTO).

Methods: Thirty-eight patients underwent medial open-wedge HTO with a locking plate. In the first 19 knees, a HAp spacer was implanted in the opening space (HAp group). In the remaining 19 knees, a TCP spacer was implanted in the same manner (TCP group). All patients underwent clinical and radiological examinations before surgery and at 18 months after surgery.

Results: Concerning the background factors, there were no statistical differences between the two groups. Post-operatively, the knee score significantly improved in each group. Concerning the post-operative knee alignment and clinical outcome, there was no statistical difference in each parameter between the two groups. Regarding the osteoconductivity, the modified van Hemert's score of the TCP group was significantly higher (p = 0.0009) than that of the HAp group in the most medial osteotomy zone. The absorption rate was significantly greater in the TCP group than in the HAp group (p = 0.00039).

Conclusions: The present study demonstrated that a TCP spacer was significantly superior to a HAp spacer concerning osteoconductivity and absorbability at 18 months after medial open-wedge HTO.

Level Of Evidence: Retrospective comparative study, Level III.

Citing Articles

Risk factors for delayed bone union in opening wedge high tibial osteotomy.

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Improvement of absorbability, osteoconductivity, and strength of a β-tricalcium phosphate spacer for opening wedge high tibial osteotomy: clinical evaluations with 106 patients.

Yamaguchi J, Kondo E, Yasuda K, Onodera J, Yabuuchi K, Kaibara T BMC Musculoskelet Disord. 2024; 25(1):441.

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Effect of Patient Age on Clinical and Radiological Outcomes After Medial Open-Wedge High Tibial Osteotomy: A Comparative Study With 344 Knees.

Yabuuchi K, Kondo E, Kaibara T, Onodera J, Iwasaki K, Matsuoka M Orthop J Sports Med. 2023; 11(10):23259671231200227.

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Chijimatsu R, Takeda T, Tsuji S, Sasaki K, Kato K, Kojima R Regen Ther. 2022; 21:52-61.

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Shibahara K, Hayashi K, Nakashima Y, Ishikawa K Front Bioeng Biotechnol. 2022; 10:825831.

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