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Characteristics of the Cerebrospinal Fluid in Septic Patients with Critical Illness Polyneuropathy - A Retrospective Cohort Study Cover

Characteristics of the Cerebrospinal Fluid in Septic Patients with Critical Illness Polyneuropathy - A Retrospective Cohort Study

By: Yanyang Zhang,  Jinfu Ma,  Qing Zhao and  Hui Liu  
Open Access
|Apr 2024

Figures & Tables

Fig. 1.

Workflow of enrollment. In total, 116 septic patients with CIP and 59 patients without CIP were included. CIP, critical illness polyneuropathy.

Fig. 2.

Survival analysis was conducted before and after PSMA. A. Survival analysis before PSMA; the 28-day mortality was higher in the CIP group than in the non-CIP group (P = 0.02). B. Survival analysis after PSMA; no significant difference was found between the CIP and non-CIP groups (P = 0.4). CIP, critical illness polyneuropathy; PSMA, propensity score matching analysis.

Fig. 3.

ROC analysis of three indicators and their combined mode used in the diagnosis of CIP. The AUCs of IL1, TNF-α, WBC, and IL1+ TNFa + WBC, were 0.878, 0.867, 0.843, and 0.926. ROC, receiver operating characteristic; AUC, area under curve; CIP, critical illness polyneuropathy; CSF, cerebrospinal fluid; IL, interleukin; TNF, tumor necrosis factor; WBC, white blood cell.

CSF Measurement in Septic Participants Before and After PSMA

CharacteristicsBefore PSMAfter PSM

All (n=175)CIP (n=116)Non-CIP (n=59)PAll (n = 118)CIP (n=59)Non-CIP (n=59)P
Age (year)57.4±15.157.7±15.056.9±15.40.7657.3±15.357.7±15.456.9±15.40.79
SOFA10.8±4.511.5±4.69.2±4.0<0.019.5±4.19.7±4.39.2±4.00.52
APACHE II18.1±5.819.0±5.916.4±5.1<0.0116.5±5.016.7±4.916.4±5.10.77
Lactate (mmol/L)6.7±4.17.5±4.25.2±3.4<0.015.5±3.55.8±3.75.2±3.40.41
Diabete history6739280.115629270.85

CSF
Glucose (mmol/L)3.98±1.113.98±1.123.96±1.100.994.0±1.24.1±1.24.0±1.10.69
Protein (mg/L)1369.3±841.01705.8±744.2707.6±593.2<0.011123.5±772.11539.4±706.2707.6±593.2<0.01
Cl-(mmol/L)123.4±4.9123.0±5.0124.1±4.70.16123.9±5.0123.7±5.3124.1±4.70.62
WBC (× 106/L)3.2±1.64.0±1.51.5±0.8<0.012.8±1.64.0±1.21.5±0.8<0.01
Lipopolysaccharide (eu/mL)000NA000NA
fungus000NA000NA
bacteria000NA000NA
Interleukin-1 (pg/m L)23.0±12.629.4±10.010.5±5.8<0.0120.0±12.329.4±9.510.5±5.8<0.01
Interleukin-6 (pg/m L)1089.9±526.41264.1±429.0747.3±535.1<0.01993.9±534.71240.4±408.5747.3±535.1<0.01
Interleukin-8 (pg/mL)9558.9±4715.410949.5±3818.16824.7±5131.1<0.018471.6±4838.610118.5±3921.86824.7±5131.1<0.01
Tumor neucrosis factor-α (pg/mL)17.7±7.221.7±4.19.9±5.2<0.0115.6±7.421.3±4.29.9±5.2<0.01

Data of Electromyography

VariablesAmplitude DecreaseConduction Velocity DecreaseAbnormal Nerves
MotorSensoryMotorSensory
Upper limb (n, %) 163 (93.1)
Median57 (32.6)106 (60.6)27 (15.4)15 (8.6)
Ulnar55 (31.4)52 (29.7)26 (14.9)50 (28.6)

Lower limb (n, %) 171 (97.7)
Tibial72 (41.1)-49 (28.0)-
Common peroneal95 (54.3)-58 (33.1)-
SuralNA31 (17.7)-11 (6.3)

ROC Analysis of 3 Indicators and Their Combined Mode in CSF

VariablesCut-off valueAUC (95% CI)PSensitivity (%)Specificity (%)
IL1 (pg/mL)19.2500.878 (0.815–0.941)<0.0181.486.4
TNF-α (pg/mL)17.0500.867 (0.803–0.931)<0.0176.383.1
WBC (× 106/L)2.5000.843 (0.772–0.914)<0.0179.778.0
IL1+ TNFa + WBC41.9000.926 (0.879–0.974)<0.0184.393.2

Demographics and Clinical Data

CharacteristicsCIP PatientsNon-CIP PatientsP
Counts11659

Cause of sepsis 0.77
Intestinal puncture or fistulation21 (18.1)10 (16.9)
Colon obstruction or fistulation23 (19.8)9 (15.3)
Pulmonary infection16 (13.8)9 (15.3)
Severe pancreatitis9 (7.8)3 (5.1)
Thoracic and mediastinum infection7 (6.0)2 (3.4)
Bile duct infection3 (2.6)3 (5.1)
Intrauterine infection3 (2.6)2 (3.4)
Diarrhea associated with antibiotics7 (6.0)6 (10.2)
Liver abscess7 (6.0)8 (13.6)
Spleen rupture and infection6 (5.2)2 (3.4)
Blood stream infection14 (12.1)5 (8.5)

General information
Age (years)57.7±15.056.9±15.40.76
Female49 (42.2)32 (54.2)0.13
Diabetes history39 (33.6)28 (47.5)0.08
BMI (kg/m2)21.7±4.220.8±3.70.17
Hemoglobin (g/L)110.2±20.1112.1±17.50.54
WBC (× 109/L)10.8±2.910.5±3.10.54
Blood sugar (mmol/L)8.1±3.37.8±3.70.59
Albumin (g/L)27.4±7.928.3±7.30.47
Lactate (mmol/L)7.5±4.25.2±3.4<0.01
SOFA11.5±4.69.2±4.0<0.01
APACHE II19.0±5.916.4±5.1<0.01

Outcomes
MV assistance67220.01
Death in 28 days2960.02
ICU length of stay (day)19.4±8.616.5±5.30.01
Hospital length of stay (day)27.2±16.123.9±7.70.08

Conditional Logistical Regression Analysis

VariablesβOR95% CIZ valueWald chi-square valuesP
Lactate0.0831.0870.941–1.2561.131.270.26
SOFA0.0591.0610.934–1.2040.910.830.36
Age0.0041.0040.979–1.030.290.080.78

CSF
Protein0.0011.0010.998–1.0040.460.210.64
WBC2.68814.6962.204–982.787.710.006*
IL-10.3371.4011.089–1.8012.626.880.009*
TNF-a0.4261.5311.165–2.0123.0569.340.002*
DOI: https://doi.org/10.2478/jccm-2024-0018 | Journal eISSN: 2393-1817 | Journal ISSN: 2393-1809
Language: English
Page range: 130 - 138
Submitted on: Feb 13, 2024
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Accepted on: Apr 13, 2024
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Published on: Apr 30, 2024
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2024 Yanyang Zhang, Jinfu Ma, Qing Zhao, Hui Liu, published by University of Medicine, Pharmacy, Science and Technology of Targu Mures
This work is licensed under the Creative Commons Attribution 4.0 License.