{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T03:11:40Z","timestamp":1788232300345,"version":"build-2803163510"},"reference-count":25,"publisher":"World Scientific Pub Co Pte Lt","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Hand Surg Asian-Pac Vol"],"published-print":{"date-parts":[[2020,3]]},"abstract":"<jats:p>Background: A new beta-tricalcium phosphate with unidirectional pore structure (UDPTCP), Affinos<jats:sup>\u00ae<\/jats:sup>(Kurray, Okayama, Japan), has been in clinical use since 2015. To date, there have been only a few clinical studies using this material. We report here the first clinical study for distal radial fracture in the elderly population treated with UDPTCP.<\/jats:p><jats:p>Methods: Consecutive patients aged 65 years or older with dorsally displaced unstable fracture of the distal radius (n = 36) were treated operatively in our department. Following reduction of the fracture site, a 7 mm size cube of UDPTCP was placed in the gap of the bony defect and the fracture stabilized with mono-axial or poly-axial type locking plates and screws. Remodeling of the UDPTCP was evaluated by plain radiograph and clinical outcomes were also assessed.<\/jats:p><jats:p>Results: UDPTCP was significantly resorbed at 2 months after surgery, both at the center and periphery of the material. Complications were only observed in the post-operative period. Significant correction loss of radial alignment was seen in patients stabilized with poly-axial locking plate. The clinical outcome in all cases was excellent.<\/jats:p><jats:p>Conclusions: Block UDPTCP is a safe and convenient material for the treatment of distal radius fracture and is replaced within a suitable time period after grafting into the fracture site. UDPTCP and stable internal fixation is therefore a reliable strategy for restoring and preserving anatomical position, especially in the elderly population.<\/jats:p>","DOI":"10.1142\/s2424835520500083","type":"journal-article","created":{"date-parts":[[2020,1,31]],"date-time":"2020-01-31T09:16:56Z","timestamp":1580462216000},"page":"59-66","source":"Crossref","is-referenced-by-count":5,"title":["Unidirectional Porous \u03b2-Tricalcium Phosphate: A New Bone Filling Substitute for Treatment of Distal Radius Fracture in the Elderly Population"],"prefix":"10.1142","volume":"25","author":[{"given":"Keiichi","family":"Muramatsu","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Nagato General Hospital, Nagato, Yamaguchi, Japan"},{"name":"Department of Orthopedic Surgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica 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