Article Figures & Tables
Tables
- Table 1
Population and clinical characteristics of studies included in our review and meta-analysis
Study Population/system Design Level of evidence/DB score Findings TKA Thomas et al. (2001)14 Primary TKA
Cell SaverSingle-centre RCT salvage with and without reinfusion (control)
231 patientsLevel-1 evidence
DB = 25/31Transfusion rates
Salvage: 7%
Control: 28% (p < 0.001)
Fewer readmits and GP visitsSinclair et al. (2009)15 Primary TKA
OrthoPATRetrospective cohort
Salvage/PAD/control
229 patientsLevel-3 evidence
DB = 22/31Transfusion rates
Salvage: 25%
PAD: 18%
Control: 52%
High-risk and low-risk sub-analysisBlatsoukas et al. (2010)16 Primary TKA
Dideco Compact AdvancedProspective cohort
Salvage (intraop and postop)/salvage (postop)/control
248 patientsLevel-2 evidence
DB = 23/31Transfusion rates/mean units
Salvage: (intra- and postop) 62%/0.81
Salvage: (postop) 59%/0.91
Control: 79%/1.74; (p < 0.001)THA del Trujillo et al. (2008)6 Primary THA
OrthoPATProspective cohort
Salvage/control
108 patientsLevel-2 evidence
DB = 26/31Transfusion rate/LOS
Salvage: 15% / 9.6 days
Control: 48% / 13.6 days (p < 0.001)
Subanalysis: high/low preop Hgb
Postop infection rates trended toward sign reduction (2% v. 10%; p = 0.09)Revision Bridgens et al. (2007)4 Revision THA
Cell SaverProspective cohort
Salvage/control
94 patientsLevel-3 evidence
DB = 22/31Mean transfusion units
Salvage: 2.6
Control: 6.4 (p < 0.001)Garvin et al. (2005)17 Revision THA
OrthoPAT and Cell SaverRetrospective case series
Salvage/no salvage
147 patientsLevel-4 evidence
DB = 19/31Transfusion volume
31% incremental transfusion volume when salvage used
No difference between salvage systems
Inappropriate control groupTKA, THA and revision Clark et al. (2006)9 Primary and revision TKA and THA
OrthoPATProspective cohort
Salvage/control
310 patientsLevel-2 evidence
DB = 18/31Transfusion rate
THA 73% less likely to use allogenic blood
TKA 76% less likely to have allogenic transfusionAbstracts Morgenschweis et al. (2011)18 Primary THA and TKA
Dideco ElectaProspective cohort
Salvage/control
379 patientsLevel-2 evidence
DB = n/aTransfusion rates
THA salvage: 9.5
THA control: 4.3% (p = 0.16)
TKA salvage: 13.3
TKA control: 14.0% (p = 0.89)White et al. (2011)19 Primary THA and TKA
OrthoPATProspective cohort
Salvage/control
268 patientsLevel-2 evidence
DB = n/aTransfusion rates
48% reduction in allogenic transfusion rate with salvagePaskova (2011)20 Primary and revision
TKA and THA
OrthoPAT and Cell SaverRetrospective cohort study
Salvage/control
443 patientsLevel-3 evidence
DB = n/aTransfusion rates Salvage 23.1%
Control 35.7%
DB = Downs and Black; GP = general practitioner; n/a = not available; LOS = length of stay in hospital; PAD = preoperative autogenic donation; THA = total hip arthroplasty; TKA = total knee arthroplasty; RCT = randomized controlled trial.