Retrospective Study
Copyright ©The Author(s) 2019.
World J Gastrointest Surg. Dec 27, 2019; 11(12): 422-432
Published online Dec 27, 2019. doi: 10.4240/wjgs.v11.i12.422
Table 1 Baseline patient characteristics in propensity-matched groups
PMX-HP (n = 20)Control (n = 20)P value
Age, yr66.7 ± 9.967.8 ± 10.20.719
Sex, Male, n (%)12 (60.0)12 (60.0)1.000
Underlying malignancy, n (%)11 (55.0)12 (60.0)0.749
Pre-existing organ dysfunction, n (%)13 (65.0)13 (65.0)1.000
Liver insufficiency1 (5.0)0 (0.0)0.311
Chronic respiratory disorder1 (5.0)5 (25.0)0.077
Chronic heart failure0 (0.0)2 (10.0)0.147
Chronic hemodialysis3 (15.0)1 (5.0)0.292
Immunocompromised3 (15.0)0 (0.0)0.072
Use of vasoactive agents
Norepinephrine18 (90.0)16 (80.0)0.376
Dopamine3 (15.0)9 (45.0)0.038
Dobutamine2 (10.0)0 (0.0)0.147
Vasopressin10 (50.0)1 (5.0)0.001
Epinephrine6 (30.0)5 (26.3)0.798
Disease severity
SOFA score11.2 ± 5.810.0 ± 4.00.446
APACHE II19.1 ± 6.518.0 ± 4.40.534
Table 2 Characteristics of patients, laboratory findings, and treatment of sepsis in propensity-matched groups
PMX-HP (n = 20)Control (n = 20)P value
Primary infection site, n (%)0.166
Upper GI tract0 (0.0)3 (15.0)
Small bowel4 (20.0)7 (35.0)
Lower GI tract14 (70.0)10 (50.0)
Hepatobiliary system1 (5.0)0 (0.0)
Soft tissue infection1 (5.0)0 (0.0)
Microorganisms, n (%)
Gram-negative species11 (55.0)10 (50.0)0.752
Gram-positive species6 (30.0)7 (35.0)0.736
Fungus4 (20.0)3 (15.0)0.677
No growth5 (25.0)7 (35.0)0.490
Number of microorganisms, n (%)0.747
Single microorganism9 (45.0)7 (35.0)
Multiple microorganisms6 (30.0)6 (30.0)
Laboratory test on admission
WBC, 109/L87.6 ± 64.994.0 ± 49.10.731
Platelet counts, 109/L130.0 ± 102.0163.7 ± 133.50.375
Hb, g/L9.6 ± 2.010.5 ± 2.20.178
PT, %45.7 ± 24.455.0 ± 16.50.168
Lactate, mmol/L7.8 ± 6.97.2 ± 3.10.738
Methods of infection control, n (%)1.000
Surgical intervention19 (95.0)19 (95.0)
Radiologic intervention1 (5.0)1 (5.0)
Other therapeutic management, n (%)
pRBC transfusion, n (%)11 (55.0)19 (95.0)0.006
Mechanical ventilator14 (70.0)16 (80.0)0.537
Re-intubation3 (15.0)2 (10.0)0.633
RRT9 (45.0)8 (40.0)0.749
Table 3 Comparative analysis of variables changes between baseline and 72 h after treatment
PatientsPMX-HP (n = 20)
Control (n = 20)
P value
To1T722To3T724
SOFA score11.2 ± 5.84.7 ± 3.510.0 ± 4.08.7 ± 7.30.047a
Respiratory SOFA2.6 ± 1.01.9 ± 1.02.6 ± 1.51.8 ± 1.00.799
Cardiovascular SOFA3.4 ± 1.20.4 ± 0.92.3 ± 1.81.2 ± 1.30.072
Liver SOFA0.7 ± 0.91.1 ± 1.50.7 ± 1.31.4 ± 1.30.683
Renal SOFA2.6 ± 1.00.7 ± 1.02.6 ± 1.52.8 ± 1.60.000a
Coagulation SOFA1.6 ± 1.51.3 ± 1.31.2 ± 1.22.8 ± 1.80.014a
WBC, 109/L87.7 ± 65.0102.5 ± 62.794.0 ± 49.1115.6 ± 59.00.552
Hb, g/L9.6 ± 2.09.0 ± 0.910.5 ± 2.29.7 ± 1.00.024a
Inotropic score163.7 ± 302.18.9 ± 19.190.8 ± 181.71.4 ± 4.20.006a
VDI2.4 ± 3.40.1 ± 0.31.0 ± 2.00.0 ± 0.10.001a
Table 4 Mortality, length of Intensive care unit stay and ventilator free days in polymyxin B hemoperfusion and control groups
PMX-HP (n = 20)Control (n = 20)P value
ICU mortality (%)4 (20)8 (40)0.168
28-d mortality (%)9 (45)8 (40)0.749
In hospital mortality (%)10 (50)10 (50)1.000
Length of ICU stay (d)10.9 ± 3.9 (5-19)14.6 ± 6.4 (5-23)0.036
Mechanical ventilator days (d)5.1 ± 4.7 (0-16)4.9 ± 5.4 (0-18)0.926