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Knee Surgery, Sports Traumatology, Arthroscopy

Published in:

01-11-2016 | Knee

Computer navigation is effective in reducing blood loss but has no effect on transfusion requirement following primary total knee arthroplasty: a meta-analysis

Authors: Seung-Beom Han, Hyun-Jung Kim, Tae-Kyun Kim, Yong In, Kwang-Jun Oh, In-Jun Koh, Dae-Hee Lee

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 11/2016

Abstract

Purpose

This meta-analysis was designed to evaluate the effects of computer navigation on blood conservation after total knee arthroplasty (TKA) by comparing postoperative blood loss and need for allogenic blood transfusion in patients undergoing computer navigation and conventional primary TKAs.

Methods

Studies were included in this meta-analysis if they compared change in haemoglobin concentration before and after surgery, postoperative blood loss via drainage or calculated total blood loss, and/or allogenic blood transfusion rate following TKA using computer navigation and conventional methods. For all comparisons, odds ratios and 95 % confidence intervals (CI) were calculated for binary outcomes, while mean difference and 95 % CI were calculated for continuous outcomes.

Results

Twelve studies were included in this meta-analysis. The change in haemoglobin concentration was 0.39 g/dl lower with computer navigation than with conventional TKA (P = 0.006). Blood loss via drainage was 83.1 ml (P = 0.03) lower and calculated blood loss was 185.4 ml (P = 0.002) lower with computer navigation than with conventional TKA. However, the need for blood transfusion was similar for the two approaches (n.s.).

Conclusions

The primary TKA with computer navigation was effective in reducing haemoglobin loss and blood loss, but had no effect on transfusion requirement, compared with conventional primary TKA. These findings suggest the importance of analysing several blood loss parameters, because each may not always accurately reflect true postsurgical bleeding.

Level of evidence

Meta-analysis, Level III.

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Title: Computer navigation is effective in reducing blood loss but has no effect on transfusion requirement following primary total knee arthroplasty: a meta-analysis
Authors: Seung-Beom Han
Hyun-Jung Kim
Tae-Kyun Kim
Yong In
Kwang-Jun Oh
In-Jun Koh
Dae-Hee Lee
Publication date: 01-11-2016
Publisher: Springer Berlin Heidelberg
Published in: Knee Surgery, Sports Traumatology, Arthroscopy / Issue 11/2016
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI: https://doi.org/10.1007/s00167-016-4053-x

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Computer navigation is effective in reducing blood loss but has no effect on transfusion requirement following primary total knee arthroplasty: a meta-analysis

Abstract

Purpose

Methods

Results

Conclusions

Level of evidence

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

Level of evidence

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