scholarly journals Cytokine Profile in Juvenile Systemic Lupus Erythematosus

2021 ◽  
pp. 72-78
Author(s):  
A. Elfar ◽  
Amal El-Bendary ◽  
M. A. Abdel-Hafez ◽  
N. Abo El Hana
Keyword(s):  
Lupus Nephritis ◽  
Disease Activity ◽  
Urinary Protein ◽  
Cytokine Profile ◽  
Control Group ◽  
Healthy Children ◽  
Healthy Controls ◽  
Sledai Score ◽  
Significant Difference ◽  
Active Patients

Background: Cytokines have an important role in immune system dysregulation in SLE because they act on the differentiation, maturation, and activation of several effector cells, culminating in inflammation and subsequent tissue damage.The aim of the work was to evaluate cytokine profile (IL2, IL10 and IL13) in children with SLE and their possible role in the pathogenesis of lupus nephritis. Methods: This is a cross sectional case-control study conducted on 60 children with SLE and 30 healthy children of matched age and sex served as a control group. The presence of lupus nephritis was confirmed by renal biopsy and histopathological examination. The SLE Disease Activity Index (SLEDAI) score for each patient was used to evaluate disease activity. Serum IL2, IL-10 & IL-13levels were measured using ELISA. Results: There was a significant increase in serum IL-10 levels in SLE patients compared to healthy controls and in patients with lupus nephritis compared to patients without lupus nephritis. Also, there were significant positive correlation between IL-10 and SLEDAI Score and between IL-10 and 24-hour urinary protein collection. There was no statistically significant difference in IL-2 levels in SLE patients compared to healthy controls. However, IL2 levels were significantly lower in active patients without lupus nephritis compared to active patients with lupus nephritis. There was no correlation between IL-2 and 24-hour urinary protein collection. The levels of IL13 were significantly higher in SLE patients compared to healthy controls and in patients with lupus nephritis compared to patients without lupus nephritis. There were significant positive correlations between Il 13 and SLEDAI Score and between IL-13and 24-hour urinary protein collection. Conclusions: Soluble IL10 and IL-13 could be used as a measure of disease activity. Further studies are needed to evaluate SLE pathophysiology including measurement of cytokine profile.

scholarly journals The Level of Physical Activity, Lung Function and Exercise Capacity of Children and Adolescents With Cystic Fibrosis Compared to Healthy Controls

2020 ◽  
Author(s):  
Marjane Cardoso ◽  
Caroline Jacoby Schmidt ◽  
Gabriela Motter ◽  
Gabrielle Costa Borba ◽  
Tatiana Helena Rech ◽  
...  
Keyword(s):  
Physical Activity ◽  
Cystic Fibrosis ◽  
Lung Function ◽  
Children And Adolescents ◽  
Functional Capacity ◽  
Control Group ◽  
Healthy Children ◽  
Healthy Controls ◽  
Cross Sectional ◽  
Significant Difference

Abstract Background : people with Cystic Fibrosis (CF) have progressive limitation to physical exercise and reduced daily living activities. Regular physical activity (PA) and exercise contribute to the quality of live of people with CF. The objective of this study was to evaluate level of PA , lung function and functional capacity in children and adolescents diagnosed with CF and compare them with those of healthy children and adolescents. Methodology: the study had a cross-sectional design with a control group. Patients with CF were followed at the Children’s Pneumology Outpatient Clinic, and were matched for age and sex with healthy controls from a local public school. The evaluations included daily step count, the shuttle walk test and spirometry. Results: 70 children and adolescents were evaluated, 35 diagnosed with CF and 35 healthy controls. The overall mean age was 11.6±2.9 years. There was no significant difference in level of PA between the patient and control groups. Gender analysis revealed no significant difference in level of PA between the groups or within the CF group. The CF group values were significantly lower than the control group for BMI (p=0.04), percentage of predicted FEV 1 and FEV 1 Z-score (p=0.02 and p=0.010). Conclusion: In this sample, children and adolescents with CF had the same level of PA as their healthy peers. Boys and girls with CF had similar level of PA when stratified by sex, as well as when compared to healthy peers of the same gender. Differences were observed between BMI, FEV 1 and some functional capacity test variables between the groups.

scholarly journals Usefulness of Faecal Calprotectin Measurement in Children with Various Types of Inflammatory Bowel Disease

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Marzena Komraus ◽  
Halina Wos ◽  
Sabina Wiecek ◽  
Maciej Kajor ◽  
Urszula Grzybowska-Chlebowczyk
Keyword(s):  
Disease Activity ◽  
Inflammatory Diseases ◽  
Control Group ◽  
Healthy Children ◽  
Healthy Controls ◽  
Elisa Method ◽  
Faecal Calprotectin ◽  
Noninvasive Test ◽  
Inflammatory Bowel ◽  
The Mean

Introduction. The aim of the study was to assess the usefulness of the FC measurement in children with various types of IBD and relation to the disease activity.Patients and Methods. 91 patients (49 boys: 53.85% and 42 girls: 46.15%, mean age: 13.38 years, range 6–18 years) were included in the analysis. Patients were divided into the groups: B1—24 children with CD, B2—16 patients with UC, and a group comprising 31 children with other types of colitis; the control group (K) comprised 20 healthy children. FC was assayed by ELISA method, using Phical test (Calpro).Results. The mean faecal calprotectin concentrations were higher in children with CD and UC as compared to healthy controls, patients with eosinophilic, lymphocytic, and nonspecific colitis. A positive correlation was observed between FC concentrations and the disease activity (the PCDAI scale, the Truelove-Witts Scale, and the endoscopic Rachmilewitz Index).Conclusion. It seems that the FC concentrations can be a useful, safe, and noninvasive test in children suspected for IBD, since FC concentration is higher in children with CD and UC than in patients with other inflammatory diseases.

scholarly journals Predictability of Urinary CD80 in the Relapse of Primary Nephrotic Syndrome

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Juan Liao ◽  
Xiao-Chuan Wu ◽  
Qia Cheng ◽  
Can-Lin Li ◽  
Zhu-Wen Yi ◽  
...  
Keyword(s):  
Nephrotic Syndrome ◽  
Urinary Protein ◽  
Control Group ◽  
Healthy Children ◽  
Creatinine Excretion ◽  
Urinary Creatinine ◽  
Primary Nephrotic Syndrome ◽  
Significant Difference ◽  
Relapse Group ◽  
Urinary Creatinine Excretion

Purpose. The current study is aimed at investigating whether urinary CD80 is reliable to predict the recurrence of pediatric PNS. Materials and Methods. A total of 128 children, 105 males and 23 females, were enrolled in this study. Urinary samples were collected from SSNS and SRNS patients and 25 healthy children as controls. Urinary CD80 was measured by ELISA and adjusted for urinary creatinine excretion. Results. Urinary CD80 in relapse stage of SSNS was significantly higher, and the urinary CD80 of paired relapse and remission stages of each SSNS patient were also significantly different. No significant difference was found between the urinary CD80 in SRNS relapse group, SRNS remission group, and the control group. Similarly, there was no significant difference between frequent SSNS and not frequent SSNS in remission group, as well as the relapse group. There is no correlation between urinary CD80 and 24-hour urinary protein. Conclusion. The increase of urinary CD80 was closely associated with the relapse of SSNS but was not related to the frequency of relapse. The urinary CD80 changes of concentration were reliable to predict the recurrence of SSNS. However, it cannot be used to predicate the frequent recurrence of PNS.

scholarly journals AB0345 Th9 CELLS AND THEIR ASSOCIATED CYTOKINES: THE PROBABLE PLAYERS IN SYSTEMIC LUPUS ERYTHEMATOSUS (SLE) AND TYPE 1 DIABETES MELLITUS (T1DM)

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 1197.2-1198
Author(s):  
N. Mohannad ◽  
M. Moaaz ◽  
R. Mohamed Shehata
Keyword(s):  
T Cells ◽  
T Cell ◽  
Disease Activity ◽  
Clinical Manifestations ◽  
Moderate Activity ◽  
Healthy Controls ◽  
Group I ◽  
Pancreatic Islets Of Langerhans ◽  
Th9 Cells ◽  
Significant Difference

Background:SLE is an autoimmune disease (AID) of unknown origin. Several factors can contribute to immune dysfunction in SLE.Interleukin 9 (IL9) is a newly emerging T cell-derived factor preferentially expressed by CD4+T cells: T helper 9 (Th9)IL9 targets different cell lineages, and can contribute to the development of allergic & AIDsWhether abnormal expression and secretion of IL9 are present in SLE patients (pts) still unidentified. It is also unclear whether IL9 exerts main proinflammatory or anti-inflammatory activities in SLE. T1DM is characterized by inflammation of the pancreatic islets of Langerhans. Insulitis progresses over time and β cells become destroyed then clinical DM is established. T1DM is regarded as a T cell-driven AIDObjectives:Evaluation of the expression of CD4+ IL9+ T cells & the level of IL9 in SLE pts compared to both healthy subjects & pts with another AID: T1DM.Also, to evaluate the correlation of these expressions with clinical features, laboratory parameters and SLE activityMethods:The study included: Group I 25 SLE pts fulfilling SLICC classification criteria divided into 2 subgroups (gps) according to SLE disease activity index (SLEDAI) IA: 20 pts with mild to moderate activity (<12) IB:5 pts with severe activity (>12) recruited from rheumatology clinic or internal medicine ward (Rheumatology unit), Main University Hospital, Alexandria. Group II 15 healthy individuals as a first control gp. Group III 15 pts with T1DM fulfilling the American Diabetes Association criteria as a second control gp. All pts were subjected to history taking, clinical examination,laboratory investigations: CBC,LFT,KFT,ESR,CRP,ANA,Anti-dsDNA,Th9 cell expression detection by flowcytometry and serum IL9 by ELISAResults:There was no statistical difference between all gps as regards age & sex but a significant increased ESR in SLE compared to controls & T1DM p< 0.001 p=0.001Th9 expression was highly increased in SLE pts, range 0.13-4.54% & mean ±SD=1.50 ± 1.47% than both control gps. In healthy controls Th9 ranged between 0.0-1.29% with mean 0.37 ±0.52%, while in T1DM pts ranged between 0.03 to 2.13% with mean of 0.67 ± 0.59%. A high significant difference was found between SLE pts and controls p=0.001, an insignificant rise was seen in SLE pts compared to T1DM pts p=0.157. A high significant increase in Th9 was found in severe SLE: mean of 3.74 ±1.15% than in pts with mild to moderate SLE: mean 0.94±0.88% p=<0.001IL9 level was highly increased in SLE pts: mean of 42.83± 23.98 pg/ml than both control gps. In healthy controls the mean was 8.54±13.27, while in T1DM with mean of 29.17±16.09 pg/ml. A high significant difference was found between SLE pts and normal controls p<0.001 but an insignificant rise with T1DM p=0.294. A high significant increase in IL9 in pts with severe ds compared to mild to moderate pts p<0.001.A significant direct correlation between Th9 & IL9 and SLEDAI/105 A significant direct correlation between damage index and Th9 p=0.040 but not IL9 p=0.053In SLE no significant relation between Th9 or IL9 & clinical manifestations or disease duration. A direct correlations between Th9 & ESR p=0.046 and CRP p=0.025,a significant correlation between IL9 and CRP p=0.033, no correlations between Th9&IL9 level and anti-dsDNA p=0.593& 0.4 Significant direct correlation between Th9 and IL9 in T1DM pts, still no correlation with glycemic profile. IL9 levels were significantly increased in SLE with elevated CRP p=0.033 & the % of Th9 cells were increased with elevated ESR and CRP p=0.025, 0.046Conclusion:In SLE pts; IL9 level and Th9 cells expression were significantly elevated compared to healthy controls. IL9 levels and the percentages of Th9 directly correlated with the SLE disease activity. IL9 levels also were significantly increased in T1DM pts compared to controls,but they were less expressed than in SLE. This suggests an important role of IL9 in the pathogenesis AIDs as SLEReferences:[1]Tahernia L et al. Cytokines in SLE: their role in pathogenesis of disease and possible therapeutic opportunities. Rheum Res 2017Disclosure of Interests:None declared

scholarly journals Dopamine adjusts the circadian gene expression of Per2 and Per3 in human dermal fibroblasts from ADHD patients

2021 ◽  
Author(s):  
Frank Faltraco ◽  
Denise Palm ◽  
Adriana Uzoni ◽  
Lena Borchert ◽  
Frederick Simon ◽  
...  
Keyword(s):  
Gene Expression ◽  
Dermal Fibroblast ◽  
Sleep Onset ◽  
Dermal Fibroblasts ◽  
Control Group ◽  
Adhd Group ◽  
Healthy Controls ◽  
Circadian Gene ◽  
Significant Difference ◽  
Circadian Preference

AbstractA link between dopamine levels, circadian gene expression, and attention deficit hyperactivity disorder (ADHD) has already been demonstrated. The aim of this study was to investigate the extent of these relationships by measuring circadian gene expression in primary human-derived dermal fibroblast cultures (HDF) after dopamine exposure. We analyzed circadian preference, behavioral circadian and sleep parameters as well as the circadian gene expression in a cohort of healthy controls and participants with ADHD. Circadian preference was evaluated with German Morningness-Eveningness-Questionnaire (D-MEQ) and rhythms of sleep/wake behavior were assessed via actigraphy. After ex vivo exposure to different dopamine concentrations in human dermal fibroblast (HDF) cultures, the rhythmicity of circadian gene expression (Clock, Bmal1, Per1-3, Cry1) was analyzed via qRT-PCR. We found no statistical significant effect in the actigraphy of both groups (healthy controls, ADHD group) for mid-sleep on weekend days, mid-sleep on weekdays, social jetlag, wake after sleep onset, and total number of wake bouts. D-MEQ scores indicated that healthy controls had no evening preference, whereas subjects with ADHD displayed both definitive and moderate evening preferences. Dopamine has no effect on Per3 expression in healthy controls, but produces a significant difference in the ADHD group at ZT24 and ZT28. In the ADHD group, incubation with dopamine, either 1 µM or 10 µM, resulted in an adjustment of Per3 expression to control levels. A similar effect also was found in the expression of Per2. Statistical significant differences in the expression of Per2 (ZT4) in the control group compared to the ADHD group were found, following incubation with dopamine. The present study illustrates that dopamine impacts on circadian function. The results lead to the suggestion that dopamine may improve the sleep quality as well as ADHD symptoms by adjustment of the circadian gene expression, especially for Per2 and Per3.

scholarly journals Investigation of TAGAP gene polymorphism (rs1738074) in Turkish pediatric celiac patients

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Melek Pehlivan ◽  
Tülay K. Ayna ◽  
Maşallah Baran ◽  
Mustafa Soyöz ◽  
Aslı Ö. Koçyiğit ◽  
...  
Keyword(s):  
Pediatric Patients ◽  
Disease Risk ◽  
Polymerase Chain Reaction Method ◽  
Control Group ◽  
Healthy Children ◽  
Single Nucleotide ◽  
Significant Difference ◽  
Allele Specific ◽  
And Control

Abstract Objectives There are several hypotheses on the effects of the rs1738074 T/C single nucleotide polymorphism in the TAGAP gene; however, there has been no study on Turkish pediatric patients. We aimed to investigate the association of celiac disease (CD) and type 1 diabetes mellitus (T1DM) comorbidity with the polymorphism in the TAGAP gene of Turkish pediatric patients. Methods Totally, 127 pediatric CD patients and 100 healthy children were included. We determined the polymorphism by the allele-specific polymerase chain reaction method. We used IBM SPSS Statistics version 25.0 and Arlequin 3.5.2 for the statistical analyses. The authors have no conflict of interest. Results It was determined that 72% (n=154) of only CD patients had C allele, whereas 28% (n=60) had T allele. Of the patients with celiac and T1DM, 42.5% (n=17) and 57.5% (n=23) had T and C alleles, respectively. Of the individuals in control group, 67% (n=134) had C allele, whereas 33% (n=66) had T allele. Conclusions There was no significant difference in the genotype and allele frequencies between the patient and control groups (p>0.05). There was no significant association between the disease risk and the polymorphism in our study group.

scholarly journals Seroprevalence of Antibodies against SARS-CoV-2 in Children with Juvenile Idiopathic Arthritis a Case-Control Study

2021 ◽  
Vol 10 (8) ◽  
pp. 1771
Author(s):  
Violetta Opoka-Winiarska ◽  
Ewelina Grywalska ◽  
Izabela Korona-Glowniak ◽  
Katarzyna Matuska ◽  
Anna Malm ◽  
...  
Keyword(s):  
Juvenile Idiopathic Arthritis ◽  
Disease Activity ◽  
Disease Activity Score ◽  
Juvenile Arthritis ◽  
Activity Score ◽  
Control Group ◽  
Healthy Children ◽  
Serum Samples ◽  
History Of ◽  
Novel Coronavirus

There is limited data on the effect of the novel coronavirus disease (COVID-19) caused by severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) on pediatric rheumatology. We examined the prevalence of antibodies against SARS-CoV-2 in children with juvenile idiopathic arthritis (JIA) and a negative history of COVID-19 and the correlation of the presence of these antibodies with disease activity measured by juvenile arthritis disease activity score (JADAS). In total, 62 patients diagnosed with JIA, under treatment with various antirheumatic drugs, and 32 healthy children (control group) were included. Serum samples were analyzed for inflammatory markers and antibodies and their state evaluated with the juvenile arthritis disease activity score (JADAS). JIA patients do not have a higher seroprevalence of anti-SARS-CoV-2 antibodies than healthy subjects. We found anti-SARS-CoV-2 antibodies in JIA patients who did not have a history of COVID-19. The study showed no unequivocal correlation between the presence of SARS-CoV-2 antibodies and JIA activity; therefore, this relationship requires further observation. We also identified a possible link between patients’ humoral immune response and disease-modifying antirheumatic treatment, which will be confirmed in follow-up studies.

Thyroid Functions in Children on Levetiracetam or Valproic Acid Therapy

2020 ◽  
Author(s):  
Elif Karatoprak ◽  
Samet Paksoy
Keyword(s):  
Valproic Acid ◽  
Subclinical Hypothyroidism ◽  
Control Group ◽  
Thyroid Function Tests ◽  
Healthy Children ◽  
Control Groups ◽  
Acid Therapy ◽  
Significant Difference ◽  
And Control ◽  
Tsh Levels

AbstractThe aim of this study was to investigate the thyroid functions in children receiving levetiracetam or valproate monotherapy. We retrospectively reviewed the records of children with controlled epilepsy receiving valproic acid (VPA group) or levetiracetam monotherapy (LEV group) for at least 6 months. Free thyroxine 4 levels (fT4) and thyroid stimulating hormone (TSH) levels were compared between VPA group, LEV group, and age- and gender-matched healthy children (control group). A total of 190 children were included in the study: 63 were in the VPA, 60 in the LEV, and 67 in the control group. Although there was no significant difference regarding average fT4 levels, higher TSH levels were found in the VPA group when compared with the LEV and control groups (p < 0.001 and p < 0.001, respectively). There was no significant difference in terms of fT4 and TSH values in the LEV group when compared with the control group (p = 0.56 and p = 0.61, respectively). Subclinical hypothyroidism (defined as a TSH level above 5 uIU/mL with a normal fT4 level was detected in 16% of patients in the VPA group, none in the LEV and control groups. Our study found that VPA therapy is associated with an increased risk of subclinical hypothyroidism while LEV had no effect on thyroid function tests.

scholarly journals Interleukin-37 as an anti-inflammatory cytokine: does its relation to disease activity suggest its potential role in rheumatoid arthritis therapy?

2021 ◽  
Vol 48 (1) ◽  
Author(s):  
Eman A. Baraka ◽  
Mona G. Balata ◽  
Shereen H. Ahmed ◽  
Afaf F. Khamis ◽  
Enas A. Elattar
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Cross Sectional Study ◽  
Healthy Controls ◽  
Tender Joint ◽  
Cross Sectional ◽  
Reactive Protein ◽  
Significant Difference ◽  
The Mean ◽  
Anti Inflammatory

Abstract Background This study aimed to measure the serum and synovial interleukin (IL)-37 levels in rheumatoid arthritis (RA) patients compared to patients with primary knee osteoarthritis (PKOA) and healthy controls and to detect its relation to RA disease activity. Results This cross-sectional study included 50 RA patients with a mean age of 40.24 ± 8.62 years, 50 patients with PKOA with a mean age of 56.69 ± 4.21, and 40 healthy controls with a mean age of 41.75 ± 7.38 years. The mean serum IL-37 level in the RA patients (382.6 ± 73.97 pg/ml) was statistically significantly (P < 0.001) the highest among the studied groups; however, it showed a non-significant difference between the PKOA patients (70.38 ± 27.49 pg/ml) and the healthy controls (69.97 ± 25.12 pg/ml) (P > 0.94). Both serum and synovial IL-37 levels were significantly positively correlated with disease activity scores (r = 0.92, P< 0.001 and r = 0.85, P < 0.001), tender joint counts (r = 0.83, P < 0.001 and r = 0.82, P < 0.001 ), swollen joint counts (r = 0.72, P < 0.001 and r = 0.60, P < 0.001), visual analog scale (r = 0.82, P < 0.001 and r = 0.82, P < 0.001), erythrocyte sedimentation rate (r = 0.75, P < 0.001 and r = 0.65, P < 0.001), and C-reactive protein (r = 0.93, P < 0.001 and r = 0.79, P < 0.001), respectively. Conclusion Serum and synovial IL-37 were significantly elevated in the RA patients, and they were closely correlated. Being less invasive, the serum IL-37 could be a marker of disease activity and could reflect the effective disease control by drugs. Having an anti-inflammatory effect could not suggest IL-37 as the key player to control inflammation alone, but its combination with other anti-proinflammatory cytokines could be investigated.

MO477SERUM C-REACTIVE PROTEIN AND PROCALCITONIN LEVELS IN HEMODIALYSIS AND INTRADIALYTIC ALTERATIONS

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Makrouhi Sonikian ◽  
Aggeliki Barbatsi ◽  
Eugenia Karakou ◽  
Theodoros Chiras ◽  
Jacob Skarakis ◽  
...  
Keyword(s):  
Healthy Subjects ◽  
Control Group ◽  
Healthy Controls ◽  
C Reactive Protein ◽  
Polysulfone Membrane ◽  
Reactive Protein ◽  
Markers Of Inflammation ◽  
Dialysate Flow Rate ◽  
Significant Difference ◽  
Serum Crp

Abstract Introduction C-reactive protein (CRP) and procalcitonin (PCT) are widely used as markers of inflammation and infection in general population and in chronic hemodialysis (HD) as well. However, in dialysis (D) patients, serum CRP and PCT levels may be elevated even in the absence of inflammatory or infectious disease and diagnostic process is a challenge in such cases. We studied HD patients' laboratory profile concerning CRP and PCT. Subjects and Methods We studied 25 stable HD patients, M/F=22/3, aged 68(44-89) years, dialyzed thrice weekly for 55(6-274) months with a dialysate flow rate of 700 ml/min, with a residual daily diuresis less than 200 ml, Kt/V values of 1,44±0,3 and no signs of infection. Patients were classified in two groups. Group A included 10 patients on pre-dilution online hemodiafiltration (HDF). Group B consisted of 15 patients on conventional HD with low-flux polysulfone membrane. Twenty healthy subjects formed a control group C. Serum CRP and PCT levels were measured in duplicate in A and B groups before and at the end of mid-week dialysis sessions and also in C group. Results Pre-D serum CRP values in the total of patients were higher than those in healthy controls (10,89±19,29 vs 2,54±1,28 mg/L-p=0,004). Compared with group C, pre-D CRP values were higher only in B group (15,98±24,54 mg/L-p=0,001) but not in A group (4,09±3,33 mg/L-p=NS). There was a significant difference in pre-D serum CRP values between A and B groups (p=0,028). At the end of D session serum CRP values showed a tendency to increase in both groups A (5,16±4,81 mg/L) and B (17,00±27,00 mg/L) but differences were not significant. Pre-D serum PCT values in the total of patients were higher than those in healthy controls (0,82±0,9 vs 0,29±0,55 ng/ml-p&lt;0,001). Compared with group C, pre-D PCT values were higher in both A group (0,52±0,15 ng/ml-p&lt;0,001) and B group (1,01±1,13 ng/ml-p=0,006). There was no significant difference in pre-D serum PCT values between A and B groups (p=0,261). At the end of D session serum PCT values decreased in A group (0,32±0,11 ng/ml-p&lt;0,001) and increased in B group (1,12±1,21 ng/ml-p=0,014). Conclusions In patients on both conventional low-flux HD and online HDF pre-D serum CRP and PCT levels were higher than those in healthy subjects. Dialysis modality and membrane flux did not affect post-D serum CRP values, but post-PCT values decreased in online HDF. PCT usefulness might be limited in dialysis with high-flux membranes. Cut-off values have to be established for both markers to eliminate confusion in diagnosis of inflammatory and infectious diseases in hemodialyzed patients.

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