Periprosthetic tibial fractures after cementless low contact stress total knee arthroplasty

NW Thompson, MG McAlinden, E Breslin, MD Crone, George Kernohan, DE Beverland

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Periprosthetic fractures are a recognized complication of total knee arthroplasty. Fractures may occur intraoperatively or postoperatively, and risk factors have been identified that may predispose an individual to Such a Complication. We report 7 cases of periprosthetic tibial fractures after low contact stress total knee arthroplasty, a complication encountered by the senior author (D.E.B.) only after a change in practice from a cemented implant to a cementless one. In light of this previously unreported complication in our unit, we attempted to identify common features within this group of patients that may have contributed to fracture occurrence. Statistical analysis revealed a highly significant (P < .005) risk of periprosthetic tibial fracture in patients with a preoperative neutral or valgus knee. Age, gender, and diagnosis did not appear to increase the risk of fracture significantly. All patients displayed evidence of reduced bone mineral density in the lumbar spine any femoral neck regions on dual-energy x-ray absorptiometry scanning. Patients with a preoperative neutral or valgus knee and local evidence of osteopenia represent a high-risk group, in whom particular care in alignment should be taken. In this group, it may be preferable to have the tibial component inserted with cement fixation.
LanguageEnglish
Pages984-990
JournalJournal of Arthroplasty
Volume16
Issue number8
DOIs
Publication statusPublished - Dec 2001

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Periprosthetic Fractures
Knee Replacement Arthroplasties
Tibial Fractures
Knee
Metabolic Bone Diseases
Femur Neck
Bone Density
Spine
X-Rays

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Thompson, NW ; McAlinden, MG ; Breslin, E ; Crone, MD ; Kernohan, George ; Beverland, DE. / Periprosthetic tibial fractures after cementless low contact stress total knee arthroplasty. In: Journal of Arthroplasty. 2001 ; Vol. 16, No. 8. pp. 984-990.
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Periprosthetic tibial fractures after cementless low contact stress total knee arthroplasty. / Thompson, NW; McAlinden, MG; Breslin, E; Crone, MD; Kernohan, George; Beverland, DE.

In: Journal of Arthroplasty, Vol. 16, No. 8, 12.2001, p. 984-990.

Research output: Contribution to journalArticle

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