Notes

Affiliation involving solution secretory phospholipase A2 as well as risk of ischaemic cerebrovascular event.
To characterize the time distribution of the incidence of Enterobacter cloacae nosocomial infections in children hospitalized in the pediatric intensive care unit (PICU) of the First Affiliated Hospital of Xinjiang Medical University.

The clinical data of children with Enterobacter cloacae nosocomial infections in the PICU of the First Affiliated Hospital of Xinjiang Medical University between January 2010 and December 2013 were collected. The monthly number of cases of Enterobacter cloacae nosocomial infections was recorded, and time series analysis was performed using SPSS 21.0 software. The obtained prediction model was verified using the data from January to June in 2014.

A total of 157 cases of Enterobacter cloacae nosocomial infections were reported in the PICU between January 2010 and December 2013, including 33 cases in 2010, 35 cases in 2011, 37 cases in 2012, and 52 cases in 2013. Time series analysis of the monthly number of cases of nosocomial infections reveals a fitted curve with a clear pattern of seasonal variation (R2=0.702, Ljung-Box Q(18)=36.021, P=0.004), with peaks in May, June, and July. The verification using the data from January to June in 2014 showed small differences between the predicted values and the actual values.

In the PICU of the First Affiliated Hospital of Xinjiang Medical University, the incidence of Enterobacter cloacae nosocomial infections is high in May, June, and July every year. The prediction model is accurate and can provide a reference for infection prevention.
In the PICU of the First Affiliated Hospital of Xinjiang Medical University, the incidence of Enterobacter cloacae nosocomial infections is high in May, June, and July every year. The prediction model is accurate and can provide a reference for infection prevention.
To observe the changes in Th17 cell levels in bronchoalveolar lavage fluid in children of sepsis with acute lung injury and the relationship between the Th17 cell levels and prognosis.

Fifty children of sepsis with acute lung injury were enrolled in the study. The percentages of Th17 cells in bronchoalveolar lavage fluid were measured by flow cytometry. The patients of sepsis with acute lung injury were classified into three groups based on the Pediatric Critical Illness Score (PCIS) extremely critical, critical and non-critical. According to the clinical prognosis, the patients were classified into survical and death groups. Th17 cell levels were compared between the two groups. The relationship between Th17 cell levels and the PCIS scores was analyzed.

With the increase in the severity of sepsis, Th17 cell levels in bronchoalveolar lavage fluid were gradually increased (P<0.05). The Th17 cell levels were negatively correlated to the PCIS scores (r=-0.853; P<0.01). The Th17 cell levels were significantly higher in the death group than in the survival group. Moreover, compared with the survival group, the PCIS scores were lower in the death group (P<0.05).

The increased Th17 cell levels in children of sepsis with acute lung injury are closely related to the severity and prognosis of patients, suggesting that Th17 cell levels can be used as a predictor of the severity and prognosis.
The increased Th17 cell levels in children of sepsis with acute lung injury are closely related to the severity and prognosis of patients, suggesting that Th17 cell levels can be used as a predictor of the severity and prognosis.
To compare the detection rates of Mycoplasma pneumoniae (MP) from nasopharyngeal aspirates (NPA) and bronchoalveolar lavage fluid (BALF) in children with pneumonia.

A total of 164 hospitalized children with pneumonia were enrolled. NPA and BALF of these children were collected within 24 hours of admission, and MP-DNA was detected by fluorescence quantitative PCR. Venous blood samples of all these children were collected within 24 hours of admission and on days 7-10 of treatment, and serum MP-IgM was detected using ELISA.

The positive rate of MP-DNA in NAP of the 164 cases was 51.8% , which was lower than 63.4% as the detection rate of MP-IgM in serum (P=0.044), and the two detection rates were moderately consistent with each other (Kappa=0.618, P<0.01). The positive rate of MP in BALF was 71.3%, which was not significantly different with that of MP-IgM in serum (P>0.05), and the detection rates were well consistent (Kappa=0.793, P<0.01). The detection rate of MP in NPA was lower than that in BALF (P<0.01), with moderate consistency between two of them (Kappa=0.529, P<0.01). The median MP copy number in BALF was significantly higher than that in NPA (P<0.01). The MP detection rates in NPA and BALF were significantly different among different courses of disease (P<0.05). As the course of disease extended, the MP detection rates in both NPA and BALF showed a declining trend; children with MP pneumonia of 1-2 weeks' duration and 2-4 weeks' duration had a higher MP-DNA detection rate in BALF than in NPA (P<0.05).

MP-DNA in BALF has a high sensitivity, with a great significance for early diagnosis of MP pneumonia, while NPA MP-DNA tests may lead to a missed diagnosis.
MP-DNA in BALF has a high sensitivity, with a great significance for early diagnosis of MP pneumonia, while NPA MP-DNA tests may lead to a missed diagnosis.
To explore the risk factors for sepsis caused by multidrug-resistant Klebsiella pneumonia (MDR-KP) and to provide a reference for the prevention of MDR-KP sepsis and rational use of antibiotics.

A retrospective case-control study of 41 children with MDR-KP sepsis (case group) and 53 pediatric patients without MDR-KP sepsis (control group) between March 2010 and Febrary 2014 was conducted. Multiple logistic regression analysis was performed to estimate the independent risk factors for MDR-KP sepsis.

Compared with the control group, the case group had a longer length of stay in the PICU before infection (P<0.05), more prolonged duration of mechanical ventilation before infection (P<0.05), a larger total number of days of mechanical ventilation (P<0.05), more days of antibiotic use before infection (P<0.05), more types of antibiotics used before infection (P<0.05), and a higher mortality (P<0.05). The logistic regression analysis showed that more types of antibiotics used before infection and use of third-generation cephalosporin and carbapenems were independent risk factors for MDR-KP sepsis (P<0.05).

Rational use of antibiotics is an effective measure to prevent MDR-KP sepsis.
Rational use of antibiotics is an effective measure to prevent MDR-KP sepsis.
To explore the risk factors for coronary artery lesions (CAL) secondary to Kawasaki disease (KD) in children.

The medical data of 895 children with KD were retrospectively reviewed. The patients were classified into two groups according to the presence of CAL CAL (n=284) and control (n=611). The clinical and laboratory indices were compared between the two groups. The risk factors for the development of CAL in children with KD were identified by multiple logistic regression analysis.

Male gender (OR=1.712), occurrence of non-CAL complications (OR=2.028), atypical KD (OR=3.655), intravenous immunoglobulin (IVIG) resistance (OR=2.912), more than 5 days of fever duration before IVIG treatment (OR=1.350), and increased serum procalcitonin (PCT) level (OR=1.068) were the independent risk factors for the development of CAL in children with KD (P<0.05), whereas increased serum albumin (Alb) level was a protective factor (OR=0.931, P<0.05). The areas under the receiver operating characteristic curve of serum PCT and ALB for prediction of the development of CAL in children with KD were 0.631 and 0.558, respectively.

Male gender, atypical KD, occurrence of other non-CAL complications, long duration of fever and IVIG resistance are associated with an increased risk for CAL in children with KD. Serum PCT and ALB have little value in the prediction of CAL in children with KD.
Male gender, atypical KD, occurrence of other non-CAL complications, long duration of fever and IVIG resistance are associated with an increased risk for CAL in children with KD. selleck chemicals llc Serum PCT and ALB have little value in the prediction of CAL in children with KD.
To study the correlation between serum procalcitonin (PCT) level and severity of infant muggy syndrome (IMS) and the predictive value of PCT in the development of multiple organ dysfunction syndrome (MODS) in children with IMS.

Fifty children with IMS were classified into two groups according to the presence of MODS MODS (n=29) and non-MODS (n=21). According to a 30-day follow-up result, they were classified into survival (n=36) and deceased groups (n=14). Vital signs, routine biological measurements (arterial blood gas, blood routine, CRP, liver and kidney functions, myocardial enzyme and so on) and the disease severity evaluated by the Pediatric Critical Illness Score (PCIS) within 24 hours of admission were recorded. Serum levels were measured using the semi-quantitative PCT-Q test within 24 hours of admission.

Forty-seven children (94%) had elevated serum PCT levels (≥ 0.5 ng/mL) at admission. There were lower PCIS scores, higher rates of MODS and higher levels of serum PCT in deceased patients than survivors (P<0.05). There was a significant negative correlation between serum PCT levels and PCIS scores (r=-0.84, P<0.05). Serum PCT levels in the MODS group were significantly higher than in the non-MODS group (P<0.01). Receiver operating characteristic curve showed that, if the cut-off point of serum PCT level was 10.6 ng/mL, the sensitivity and specificity of PCT were 79.3% and 90.5% respectively, in predicting MODS, with the area under the curve of 0.924 ( P<0.01).

Serum PCT level at admission is correlated with the severity of IMS and it may be an early predictive marker of MODS.
Serum PCT level at admission is correlated with the severity of IMS and it may be an early predictive marker of MODS.
To screen biomarkers which can be used as an auxiliary method in the diagnosis of Henoch-Schönlein purpura (HSP) and to evaluate their diagnostic values by receiver operating characteristic (ROC) curve analysis.

A total of 127 children diagnosed with HSP between April 2012 and March 2014 were included in the HSP group and an equal number of healthy children were included in the control group. Twelve parameters, i.e., serum amyloid protein A (SAA), interleukin-6 (IL-6), immunoglobulins (IgA, IgG, IgM, and IgE), C-reactive protein (CRP), white blood cell (WBC) count, complements C3 and C4, anti-streptolysin O, and ferritin, were analyzed. The values of the screened biomarkers for diagnosis of HSP were assessed by ROC curve analysis.

The HSP group had significantly higher levels of SAA, IL-6, CRP, WBC, IgA, and IgM than the control group (P<0.05). The areas under the ROC curve of SAA, IL-6, WBC, IgA, and IgM for the diagnosis of HSP were higher than 0.7 (P<0.05). The optimal cut-off values of SAA, IgA, IgM, WBC, and IL-6 for the diagnosis of HSP were 3.035 μg/mL, 1579.5 mg/L, 922.5 mg/L, 8.850 × 10⁹/L, and 7.035 pg/mL, respectively; the corresponding sensitivities of the optimal cut-off values for the diagnosis of HSP were 95.1%, 75.6%, 72.3%, 78.0%, and 63.4%, respectively, and the corresponding specificities were 90.2%, 85.4%, 82.4%, 70.7%, and 80.5%, respectively.

SAA, IgA, IgM, WBC, and IL-6 are valuable biomarkers for clinical diagnosis of HSP and among them SAA seems to be the best one.
SAA, IgA, IgM, WBC, and IL-6 are valuable biomarkers for clinical diagnosis of HSP and among them SAA seems to be the best one.
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