REDUCED OCCURRENCES OF PJI
Periprosthetic Joint Infection (PJI) was reduced from 1.9% to 0% by the use of intraoperative air decontamination system
Number (%)
Males
Mean age
Mean BMI
Revision surgery
Diabetes dx
Smoker
Mean operative
time (min)
Number (%)
OR A a OR B b p=value c
98 (35.6)
62.7
33.4
34 (12.8)
58 (21.1)
48 (17.5)
63.5 78 (33.5)
63.1
33.2
39 (16.8)
61 (26.2)
36 (15.1)
60.4 0.09
0.63
0.70
0.15
0.69
0.32
0.11
Operating Room A = Standard HEPA-Filter HVAC
Operating Room B = Standard HEPA-Filter HVAC plus Supplemental
UV-decontamination
c
Two-sample unpaired t-test
a
b
Arthroplasty
Proceedure
Primary hip
Primary Knees
Primary shoulder
Revision hip
Revision knee
Revision shoulder
Bilateral hip
Bilateral knee
*Total N
OR A a PJI OR B b PJI
65 (24.6)
132 (49.9)
5 (1.8)
9 (3.4)
24 (9.1)
1 (0.3)
3 (1.1)
26 (9.8)
265 2
0
0
2
1
0
0
0
5 69 (29.9)
91 (39.5)
19 (8.4)
9 (3.9)
30 (12.9)
0 (0)
0 (0)
12 (5.4)
231 0
0
0
0
0
0
0
0
0
p<0.044 C
Operating Room A = Standard HEPA-Filter HVAC
Operating Room B = Standard HEPA-Filter HVAC plus Supplemental
UV-decontamination
c
Fisher’s Exact test
a
b
Table 1. Patient demographic and comorbid risk factors of retrospective
cohort analysis of patient undergoing total joint arthroplasty
Reference:
Cook TM 1 , Piatt CJ 1 , Barnes S 2 , Edmiston CE Jr 3 .The Impact of Supplemental
Intraoperative Air Decontamination on the Outcome of Total Joint Arthroplasty:
A Pilot Analysis. J Arthroplasty. 2019 Mar;34(3):549-553.
cardiac surgery associated with heater cooler devices. Air
decontamination technology (UV + HEPA) can serve as an
adjunct to standard methods for ensuring safe air quality for
ORs, especially where implant procedures are performed.
Sue Barnes, RN, CIC, FAPIC is an independent clinical
consultant, Board certified in Infection Control and
Prevention, a Fellow of APIC (FAPIC) and co-founder of the
National Corporate IP Director Network. Disclosure: The
author provides consulting services for Aerobiotix, Inc.
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february 2020 • www.healthcarehygienemagazine.com