Evaluating augmentation with calcium phosphate cement (chronOS Inject) for bone defects after internal fixation of proximal tibial fractures: A prospective, multi-center, observational studyAdjonction de ciment phosphocalcique dans les pertes de substances osseuses des fractures proximales du tibia : une étude prospective multicentrique et observationnelle
- Other Titles
- Adjonction de ciment phosphocalcique dans les pertes de substances osseuses des fractures proximales du tibia : une étude prospective multicentrique et observationnelle
- Authors
- Oh, Chang-wug; Park, Kichul; Jo, Young-hoon
- Issue Date
- Feb-2017
- Publisher
- Elsevier Masson SAS
- Keywords
- Bone defect; Calcium phosphate cement; Proximal tibial fractures
- Citation
- Revue de Chirurgie Orthopedique et Traumatologique, v.103, no.1, pp.105 - 109
- Indexed
- SCOPUS
- Journal Title
- Revue de Chirurgie Orthopedique et Traumatologique
- Volume
- 103
- Number
- 1
- Start Page
- 105
- End Page
- 109
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/152993
- DOI
- 10.1016/j.rcot.2016.11.011
- ISSN
- 1877-0517
- Abstract
- Introduction
Managing subchondral bone defects in proximal tibia fractures after plateau reduction is an important consideration. ChronOS Inject is a recently developed calcium phosphate bone substitute that shows relatively fast osteointegration.
Hypothesis
Using chronOS Inject during internal fixation of proximal tibial fractures provides a satisfactory treatment option that is both clinically and radiologically safe.
Materials and methods
Patients enrolled in this study were treated with ChronOS Inject bone void filler, during internal fixation of proximal tibial fractures. Patients were evaluated preoperatively and at 6 weeks, 6 and 12 months postoperative. Radiographic union was assessed using plain films supplemented by CT scans. Pain, function and adverse events were collected at all visits. A total of 36 patients were enrolled in the study and treated according to a predetermined protocol. Seven of the 36 patients (19.4 %) were lost to follow-up.
Results
Successful radiographic union was achieved in 27/29 (93.1 %) of patients at final follow-up. Articular subsidence of > 2 mm only occurred in one patient. Statistical analysis showed significant improvements both in leg pain and knee function. Progress in knee function was observed in 93.1 % (27/29) of patients from 6 weeks to 12 months. No product-related complications were reported.
Conclusions
Successful union was achieved based on radiographic criteria as well as clinical outcomes. When managing bone defects after internal fixation of proximal tibial fractures, the use of ChronOS Inject resulted in significant improvement of knee function and reduction of leg pain.
Level of evidence
Level IV, prospective observational study.
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