Bacterial Lipopolysaccharide (LPS) Is Elevated in Different Causes of Stroke and Correlates with C-Reactive Protein, LPS Binding Protein and NIH Stroke Scale

2020 ◽  
Author(s):  
Marisa Hakoupian ◽  
Eva L. Ferino ◽  
Glen C. Jickling ◽  
Hajar Amini ◽  
Boryana S. Stamova ◽  
...  
2007 ◽  
Vol 44 (1-3) ◽  
pp. 241
Author(s):  
Andreas P. Sjöberg ◽  
Leendert A. Trouw ◽  
Fabian McGrath ◽  
C. Erik Hack ◽  
Anna Blom

2020 ◽  
Vol 9 (2) ◽  
pp. 201-209
Author(s):  
G. V. Bulava ◽  
S. I. Rey ◽  
G. A. Berdnikov ◽  
O. V. Nikitina ◽  
A. K. Shabanov ◽  
...  

Background Sepsis and septic shock are formidable and complications in surgery with mortality 20–50%. In the pathogenesis of sepsis, a significant role belongs to bacterial endotoxin (LPS - liposaccharide).Aim of study Assessment of the efficacy of selective lipopolysaccharides hemosorption (SLH) in treatment of sepsis.Material and methods We examined 65 patients with developed sepsis or suspected presence of gram-negative infection. Patients were retrospectively divided into two groups. In Group 1, 27 patients received Polymyxin B hemoperfusion using Toraymyxin cartridges. In Group 2 (38 patients), adsorber Alteco (LPSA) was used.Results It was established that 28-day mortality was 11.1% in Polymyxin group and 28.9% in LPS group A, p = 0.091, 60-day mortality was 33.3 and 55.3%, respectively (p=0.065). The use of SLH contributed to a decrease in the activity of endotoxin (EAA) from 0.52 (0.39; 0.65) to 0.40 (0.36; 0.57) EU (p=0.330) in Polymyxin group and from 0.59 ( 0.42; 0.72) to 0.54 (0.40; 0.81) EU ( p = 0.981) in the LPS-A group. At the same time, the level of procalcitonin (PCT) in the blood statistically significantly decreased from 8.4 (3.6; 29.0) to 4.8 (1.9; 36.3) ng/ml (p=0.0117) only in the LPS-A group. The level of C-reactive protein (CRB) in the blood statistically significantly decreased only in the Polymyxin group, from 205 (154; 264) to 162 (106; 202) mg/L (p<0.001). After SPH procedures, there was a tendency to a decrease in the level of blood cytokines in both groups. Conclusion 1. The trend of better survival among patients was noted during hemoperfusion when using Polymyxin B in comparison with the results of adsorption of lipopolysaccharide with Alteco cartridges: so, 28-day mortality was 11.1 and 28.9%, respectively (statistically not significant).2. As a result, the procedure of selective lipopolysaccharides hemosorbtion on hemosorbents with Polymyxin B in blood significantly decreased level of C-reactive protein (21%), there was statistically insignificant decrease in the level of endotoxin activity (23.1%), lipopolysaccharide binding protein (21.6%), procalcitonin (2.4 times), presepsin (20%), as well as the level of interleukin-6 (3.4 times) and interleukin-10 (1.6 times) . Adsorption of lipopolysaccharide with Alteco cartridges leads to a statistically significant reduction of procalcitonin in blood (1.8 times), and statistically insignificant decrease of: endotoxin activity (9.3%), lipopolysaccharide binding protein (28.6%), interleukin-6 (3.8 times), interleukin-10 (7.1 times) and soluble receptor to interleukin-2 (2.2 times).


2017 ◽  
Vol 114 (51) ◽  
pp. 13513-13518 ◽  
Author(s):  
Zhengda Lu ◽  
Dakota O’Dell ◽  
Balaji Srinivasan ◽  
Elizabeth Rey ◽  
Ruisheng Wang ◽  
...  

Micronutrient deficiencies such as those of vitamin A and iron affect a third of the world’s population with consequences such as night blindness, higher child mortality, anemia, poor pregnancy outcomes, and reduced work capacity. Many efforts to prevent or treat these deficiencies are hampered by the lack of adequate, accessible, and affordable diagnostic methods that can enable better targeting of interventions. In this work, we demonstrate a rapid diagnostic test and mobile enabled platform for simultaneously quantifying iron (ferritin), vitamin A (retinol-binding protein), and inflammation (C-reactive protein) status. Our approach, enabled by combining multiple florescent markers and immunoassay approaches on a single test, allows us to provide accurate quantification in 15 min even though the physiological range of the markers of interest varies over five orders of magnitude. We report sensitivities of 88%, 100%, and 80% and specificities of 97%, 100%, and 97% for iron deficiency (ferritin <15 ng/mL or 32 pmol/L), vitamin A deficiency (retinol-binding protein <14.7 μg/mL or 0.70 μmol/L) and inflammation status (C-reactive protein >3.0 μg/mL or 120 nmol/L), respectively. This technology is suitable for point-of-care use in both resource-rich and resource-limited settings and can be read either by a standard laptop computer or through our previously developed NutriPhone technology. If implemented as either a population-level screening or clinical diagnostic tool, we believe this platform can transform nutritional status assessment and monitoring globally.


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