Article Figures & Data
Figures
- Figure 1
Ventilator-associated events surveillance algorithm (adapted from Centers for Disease Control and Prevention (CDC) 20192). Materials are developed by CDC and free to use via the CDC website. Reference to specific commercial products, manufacturers, companies, or trademarks does not constitute its endorsement or recommendation by the US government, Department of Health and Human Services, or CDC. FiO2, fractional inspired oxygen; PEEP, positive end-expiratory pressure.
- Figure 2
Initial ventilator parameters guideline, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona. ABG, arterial blood gas; A/C, asssit control; FiO2, fractional inspired oxygen; I:E, inpiration to expiration ratio; MV, minute ventilation; PEEP, positive end-expiratory pressure; PRVC, pressure-regulated volume control; ; SIMV, synchronized intermittent mandatory ventilation .
Tables
- Table 1
Comparison of patient characteristics between FY 2017 and FY 2018 groups
FY 2017 FY 2018 P value Patients (n) 274 245 – Patient age years, mean±SD 43.7±19.4 43.8±19.1 0.950 Injury Severity Score 20.0 (12.0–27.0) 17.5 (10.0–29.0) 0.352 Ventilated days, median (25th–75th percentile) 3.0 (3.0–9.0) 3.0 (2.0–8.0) 0.673 Penetrating injury
(vs. blunt)57 (20.8%) 48 (19.6%) 0.732 Disposition 0.985 Home 86 (31.4%) 78 (31.8%) Rehab/skilled nursing facility 110 (40.1%) 101 (41.2%) Died 59 (21.5%) 50 (20.4%) Other 19 (6.9%) 16 (6.5%) FY, fiscal year; Rehab, Rehabilitation.
- Table 2
Comparison of VAE rates between FY 2017 and FY 2018 groups
FY 2017 FY 2018 P value VAEs Patients (n) 28 11 0.014 Rate per 1000 ventilator days 14.61 7.13 0.039 FY, fiscal year; VAEs, ventilator-associated events.
- Table 3
Summary of logistic regression model predicting VAE
P value OR 95% CI for OR Age 0.274 0.99 0.97 to 1.01 ISS 0.029 1.03 1.00 to 1.06 Penetrating injury 0.619 1.30 0.46 to 3.67 Vented 7+days <0.001 97.47 13.08 to 726.65 FY 2018 (Initial PEEP 6) 0.017 0.38 0.17 to 0.84 FY, fiscal year; ISS, Injury Severity Score; PEEP, positive end-expiratory pressure; VAE, ventilator-associated event.
- Table 4
Summary of logistic regression model predicting mortality
FY 2017 FY 2018 P value OR 95% CI for OR P value OR 95% CI for OR Age <0.001 1.05 1.03 to 1.07 <0.001 1.04 1.02 to 1.06 ISS <0.001 1.07 1.04 to 1.10 <0.001 1.07 1.04 to 1.10 Mechanism of Injury 0.929 0.96 0.37 to 2.51 0.986 0.99 0.33 to 3.02 Presence of VAE 0.070 0.30 0.08 to 1.10 0.002 8.77 2.22 to 34.61 FY, fiscal year; ISS, Injury Severity Score; VAE, ventilator-associated event.
