Article Figures & Data
Tables
- Table 1
Characteristics of patients who received no vasopressors compared with those who received any vasopressors during operation
Factor No vasopressor (n=60) 1 or more vasopressor doses (n=32) P value Age 31 (±18) 37 (±17) 0.045 Male gender, n (%) 45 (75) 26 (81) 0.496 White race, n (%) 58 (96) 32 (100) 0.580 Polysubstance on UDS, n (%) 51 (85) 28 (87) 0.743 Mechanism of injury, penetrating, n (%) 21 (35) 19 (59) 0.025 ISS (continuous) 12 (±13) 13.5 (±12) 0.708 ISS categories and scores: (n, % within group) 0.305 Mild (<9) 10 (16) 8 (19) Moderate (9–15) 26 (43) 9 (28) Severe (16–25) 15 (25) 12 (44) Profound (>25) 9 (15) 3 (9) OR duration 2.5 (±9) 2.75 (±7.5) 0.760 ASA class, n (% within group) <0.01 1 2 (3.3) 0 (0) 2 30 (50) 7 (21) 3 12 (20) 17 (53) 4 7 (11) 5 (15) 5 9 (15) 3 (9) Emergent OR, n (%) 36 (60) 24 (75) 0.150 Intubation prior to OR, n (%) 20 (33) 11 (34) 0.920 ASA, American Society of Anesthesiologists; ISS, Injury Severity Score; OR, Operating Room ; UDS, urine drug screen.
- Table 2
Hemodynamic variables of patients who received vasopressors in the operating room compared with those who did not
Factor No vasopressor
(n=60)1 or more vasopressor doses
(n=32)P value Preoperative MAP 85 (±19) 85 (±127) 0.718 Base deficit on initial VBG/ABG −0.3 (IQR 5) −3 (IQR 22) 0.02 Transfused, n (%) 12 (20) 8 (40) 0.580 Transfusion, number of units of product 0 (±24) 0 (±15) 0.605 EBL 100 (±325) 200 (±249) 0.230 EKG changes requiring treatment 0 3 (9.4) 0.016 20% change in MAP 33 (55) 26 (81) 0.012 MAP change requiring treatment, n (%) 14 (23) 23 (71) <0.001 ABG, arterial blood gas; EBL, estimated blood loss; EKG, electrocardiogram; MAP, mean arterial pressure; VBG, venous blood gas.
- Table 3
OR for one or more vasopressor doses
Factor B SE Wald df P value OR (95% CI for OR) Age 0.067 0.026 6.70 1 0.010 1.06 (1.01 to 1.12) MOI 0.948 0.523 3.280 1 0.070 2.58 (0.93 to 7.19) ASA class −0.165 0.287 0.331 1 0.565 0.848 (0.48 to 1.48) Base deficit −0.140 0.059 5.56 1 0.018 0.87 (0.77 to 0.97) Change in MAP by 20% 1.77 0.685 6.69 1 0.010 5.8 (1.5 to 22.4) ASA, American Society of Anesthesiologists; MAP, Mean Arterial Pressure; MOI, mechanism of injury.