No benefit of patient-specific instrumentation in TKA on functional and gait outcomes: A randomized clinical trial

Matthew Abdel, Sébastien Parratte, Guillaume Blanc, Matthieu Ollivier, Vincent Pomero, Elke Viehweger, Jean Noël A. Argenson

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Background: Although some clinical reports suggest patient-specific instrumentation in TKA may improve alignment, reduce surgical time, and lower hospital costs, it is unknown whether it improves pain- and function-related outcomes and gait. Questions/purposes: We hypothesized that TKA performed with patient-specific instrumentation would improve patient-reported outcomes measured by validated scoring tools and level gait as ascertained with three-dimensional (3-D) analysis compared with conventional instrumentation 3 months after surgery. Methods: We randomized 40 patients into two groups using either patient-specific instrumentation or conventional instrumentation. Patients were evaluated preoperatively and 3 months after surgery. Assessment tools included subjective functional outcome and quality-of-life (QOL) scores using validated questionnaires (New Knee Society Score

Original languageEnglish (US)
Pages (from-to)2468-2476
Number of pages9
JournalClinical orthopaedics and related research
Volume472
Issue number8
DOIs
StatePublished - Jan 1 2014

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Gait
Randomized Controlled Trials
Hospital Costs
Operative Time
Quality of Life
Pain

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

No benefit of patient-specific instrumentation in TKA on functional and gait outcomes : A randomized clinical trial. / Abdel, Matthew; Parratte, Sébastien; Blanc, Guillaume; Ollivier, Matthieu; Pomero, Vincent; Viehweger, Elke; Argenson, Jean Noël A.

In: Clinical orthopaedics and related research, Vol. 472, No. 8, 01.01.2014, p. 2468-2476.

Research output: Contribution to journalArticle

Abdel, Matthew ; Parratte, Sébastien ; Blanc, Guillaume ; Ollivier, Matthieu ; Pomero, Vincent ; Viehweger, Elke ; Argenson, Jean Noël A. / No benefit of patient-specific instrumentation in TKA on functional and gait outcomes : A randomized clinical trial. In: Clinical orthopaedics and related research. 2014 ; Vol. 472, No. 8. pp. 2468-2476.
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