Modern abbreviated computer navigation of the femur reduces blood loss in total knee arthroplasty

David J. Licini, R. Michael Meneghini

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Computer assisted surgery (CAS) optimizes component position in total knee arthroplasty (TKA), yet effects specifically on blood loss are less known. This study purpose was to determine whether a modern abbreviated CAS protocol would reduce blood loss in TKA compared to conventional instrumentation. One hundred consecutive TKAs were retrospectively reviewed comparing abbreviated CAS versus conventional IM instrumentation. Blood loss was determined using drain output, change in hemoglobin, and calculated blood loss. The CAS group demonstrated less hourly drain output (P= 0.02), hemoglobin change (P= 0.001), and estimated blood loss (P= 0.001) versus conventional instrumentation. With proven advantages of accurate component placement and improved functional outcome after TKA, CAS provides additional value by reducing blood loss in TKA.

Original languageEnglish (US)
Pages (from-to)1729-1732
Number of pages4
JournalJournal of Arthroplasty
Volume30
Issue number10
DOIs
StatePublished - Oct 1 2015

Keywords

  • Blood loss
  • Computer navigation
  • Computer-assisted
  • Total knee arthroplasty
  • Total knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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