A novel evaluation system to monitor bone formation and β-tricalcium phosphate resorption in opening wedge high tibial osteotomy
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| 024 | 7 | 0 | |a 10.1007/s00167-014-2870-3 |2 doi |
| 035 | |a (NATIONALLICENCE)springer-10.1007/s00167-014-2870-3 | ||
| 245 | 0 | 2 | |a A novel evaluation system to monitor bone formation and β-tricalcium phosphate resorption in opening wedge high tibial osteotomy |h [Elektronische Daten] |c [T. Tanaka, Y. Kumagae, M. Chazono, S. Kitasato, A. Kakuta, K. Marumo] |
| 520 | 3 | |a Purpose: The aim of this study was to establish an evaluation system to monitor bone formation and beta-tricalcium phosphate (TCP) resorption in opening high tibial osteotomy (HTO). Methods: From 2003 to 2005, opening HTO was performed in 36 patients using a Puddu plate and β-TCP blocks with 60 and 75% porosity. Thirty-one patients were used for evaluation. All patients underwent CT examination at 2weeks and 6years. The CT image data were divided into three areas, and CT values of each area were analysed using the imaging software, Osirix. Results: CT image analysis at 2weeks showed that the mean CT-attenuation values (in Hounsfield units) of the implanted area with β-TCP of 60% porosity, the implanted area with β-TCP of 75% porosity, and cancellous bone were, 1,694.0±94.2, 1,010.9±81.1, and 178.0±45.1, respectively. Six years after surgery, these values were 574.1±273.5, 168.8±75.1, and 174.9±69.3, respectively. Conclusion: β-TCP with 75% porosity was completely resorbed and replaced by bone. β-TCP with 60% porosity was resorbed, but approximately 1/3 still remained even 6years after surgery. The imaging software, Osirix, enabled scanning of the whole area to measure CT values. This system is the first to quantitatively evaluate β-TCP resorption and bone formation in opening HTO. Level of evidence: Laboratory studies. | |
| 540 | |a The Author(s), 2014 | ||
| 690 | 7 | |a β-TCP |2 nationallicence | |
| 690 | 7 | |a Opening wedge HTO |2 nationallicence | |
| 690 | 7 | |a Osirix |2 nationallicence | |
| 690 | 7 | |a Bone formation |2 nationallicence | |
| 700 | 1 | |a Tanaka |D T. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | |
| 700 | 1 | |a Kumagae |D Y. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | |
| 700 | 1 | |a Chazono |D M. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | |
| 700 | 1 | |a Kitasato |D S. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | |
| 700 | 1 | |a Kakuta |D A. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | |
| 700 | 1 | |a Marumo |D K. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | |
| 773 | 0 | |t Knee Surgery, Sports Traumatology, Arthroscopy |d Springer Berlin Heidelberg |g 23/7(2015-07-01), 2007-2011 |x 0942-2056 |q 23:7<2007 |1 2015 |2 23 |o 167 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00167-014-2870-3 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00167-014-2870-3 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Tanaka |D T. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Kumagae |D Y. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Chazono |D M. |u Department of Orthopaedic Surgery, NHO Utsunomiya National Hospital, 2160 Shimo-Okamoto, 329-1193, Utsunomiya, Tochigi, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Kitasato |D S. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Kakuta |D A. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Marumo |D K. |u Department of Orthopaedic Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Knee Surgery, Sports Traumatology, Arthroscopy |d Springer Berlin Heidelberg |g 23/7(2015-07-01), 2007-2011 |x 0942-2056 |q 23:7<2007 |1 2015 |2 23 |o 167 | ||