Abstract:
BACKGROUND:The use of autogenous bone graft is a well-known technique for reconstruction of tibial bone defects in primary total knee arthroplasty (TKA). In cases where the size of the bone graft is inappropriate, the stability of bone graft fixation and subsequent bone graft to host bone incorporation may be compromised. We describe a simple and reliable technique of reconstruction in a proximal tibia bone defect at the time of primary TKA by using autogenous onlay bone graft (AOBG). METHODS:Records were reviewed of 19 patients (mean age, 72 years) who underwent primary TKA using AOBG without the additional allogenous bone or metal augments, between August 2013 and August 2014. RESULTS:Mean Knee Society score (KSS) in the 22 knees was significantly higher postoperatively than preoperatively (92 ± 4 vs. 30 ± 7, P < 0.001). The mean range of motion (ROM) in the 22 knees, which was 106 ± 12° preoperatively, improved to 112 ± 10° at last follow-up, but this difference was not significant (P = 0.32). No migration of implants and presence of radiolucent lines at the bone cement-prosthesis interface were observed. Furthermore, the serial radiographs of 19 patients had a mean time of 3.2 months (range, 2.7-4.4 months) for solid union with cross trabeculation between the proximal tibial bone and graft. CONCLUSIONS:This simple AOBG supplement technique may biologically promote graft to host bone healing by enhancing fixation stability without the additional fixatives and assist the surgeon in managing the varying nature of uncontained bone defects. TRIAL REGISTRATION:Trial registration number: KCT0002328 , May 15, 2017.
journal_name
BMC Musculoskelet Disordjournal_title
BMC musculoskeletal disordersauthors
Yoon JR,Seo IW,Shin YSdoi
10.1186/s12891-017-1826-4subject
Has Abstractpub_date
2017-11-29 00:00:00pages
502issue
1issn
1471-2474pii
10.1186/s12891-017-1826-4journal_volume
18pub_type
临床试验,杂志文章abstract:BACKGROUND:Navigation was introduced into total knee arthroplasty (TKA) to improve accuracy of component position, function and survival of implants. This study was designed to assess the outcome of navigated TKA in comparison with conventional implantation with the focus on rotational component position and clinical m...
journal_title:BMC musculoskeletal disorders
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