ObjectiveTo explain the anti-inflammatory and analgesic effects of Corydalis Rhizoma by the means of structure-activity omics. MethodOn the basis of the previous in vitro screening study， we studied the in vivo efficacy of the alkaloids in Corydalis Rhizoma. With the targets as a bridge， the structures of chemical components in Corydalis Rhizoma were connected with the efficacy. The molecular docking of the alkaloids in Corydalis Rhizoma with the targets of inflammation and pain was carried out. According to the docking scores and the differences in the structural nucleus of Corydalis Rhizoma alkaloids， a study of structure-activity omics was carried out to summarize the rules of their connection. ResultThe alkaloids in Corydalis Rhizoma had good anti-inflammatory and analgesic effects in vivo， involving 53 chemical components and 73 targets. There were 3 074 targets associated with inflammation and pain， and 42 targets of direct action were shared by the chemical components and the disease. The protein-protein interaction （PPI） and molecular docking analysis predicted that the main active components of Corydalis Rhizoma were tetrahydropalmatine and palmatine， and the core targets were prostaglandin endoperoxide synthase 2 （PTGS2）， glutamate receptor metabotropic 5 （GRM5）， estrogen receptor 1 （ESR1）， solute carrier family 6 member 4 （SLC6A4）， and fusion oncoproteins （FOS）. According to the differences of mother nucleus， the 53 alkaloid components of Corydalis Rhizoma were classified into 8 categories， including protoberberine， berberine， and aporphine， which had high binding affinities with PTGS2， GRM5 and other targets. The relationship between the structures of Corydalis Rhizoma alkaloids and docking scores in each group showed the same law. In protoberberine， appropriate substituents with hydroxyl， alkoxy or methyl groups on the A and D rings of the parent ring were conducive to enhancing the binding activities with the two targets. In berberine， the structure containing a methyl group on position 13 had strong binding affinities with the two targets. It is hypothesized that the methyl fragment changes the binding mode between the component structure and amino acid residues， which greatly improves the binding affinity. ConclusionThis study employs the method of structure-activity omics to analyze the material basis for the anti-inflammatory and analgesic effects of alkaloids in Corydalis Rhizoma， and the structure-activity omics provides new ideas for revealing the pharmacodynamic substances of traditional Chinese medicine.

Objective : To examine the association between acute exposure to traffic-related air pollutants (TRAP) NOX and NO2 and outpatient visits of pediatric respiratory diseases. Methods : Data regarding outpatient visits to Department of Respiratory Diseases of Beijing Children's Hospital from 2015 to 2020 were collected, and the concentrations of nitrogen oxides (NOX), nitrogen dioxide (NO2) and other TRAP were collected from the surveillance sites assigned by the Peking University Health Science Center. A time-stratified case-crossover design was employed, and a conditional logistic regression model was created to examine the association between NOX and NO2 acute exposure and outpatient visits of pediatric respiratory diseases. Results : The daily mean outpatient visits of pediatric respiratory diseases were 571 (interquartile range, 554) person-times among children at ages of 0 to 14 years in Beijing Children's Hospital from 2015 to 2020, and the daily mean outpatient visits for upper respiratory tract infections (URI), bronchitis, and pneumonia were 265 (interquartile range, 282), 143 (interquartile range, 178) and 128 (interquartile range, 120) person-times, respectively. The daily mean concentrations of atmospheric NOX and NO2 were 67.8 (interquartile range, 50.7) and 49.3 (interquartile range, 30.7) μg/m3, respectively. Conditional logistic regression analysis showed the largest lagged effect of NOX and NO2 on pediatric respiratory diseases at cumulative lags of 0 to 7 days. An increase in NOX concentrations by an interquartile range resulted in the excess risks of URI, bronchitis and pneumonia by 6.87% (95%CI: 6.37%-7.38%), 7.25% (95%CI: 6.51%-7.99%), and 5.51% (95%CI: 4.69%-6.33%), and an increase in NO2 concentrations by an interquartile range resulted in excess risks of URI, bronchitis and pneumonia by 5.71% (95%CI: 5.12%-6.31%), 5.32% (95%CI: 4.51%-6.14%), and 4.83% (95%CI: 3.91%-5.75%), respectively. NOX and NO2 presented a more remarkable effect on outpatient visits of pediatric respiratory diseases among children at ages of over 5 years. Conclusion NOx and NO2 acute exposure may increase the outpatient visits of pediatric respiratory diseases.

Objective:To evaluate the efficacy of robot-assisted partial nephrectomy (RAPN)and laparoscopic partial nephrectomy(LPN)in the treatment of giant (>7cm) renal angiomyolipoma (RAML).Methods:The clinical data of 43 patients with giant RAML(>7cm) who underwent surgery in Zhejiang People's Hospital from October 2014 to May 2020 was retrospectively analysed, including 23 routine RAPN and 20 routine LPN. The median age of patients in the RAPN group was 45(17-65) years old, with 4 males and 19 females.The median body mass index(BMI) was 20.3(18.0-25.7) kg/m 2. Tumors located on the left side in 11 cases and on the right side in 12 cases. Tumors located on upper pole in 9 cases, middle pole in 5 cases , lower pole in 5 cases. The median R. E.N.A.L. score was 8(4-12) points and the largest tumor diameter was 7.5(7.1-17.0) cm. The median age of patients in the LPN group was 53(27-78) years old, with 1 males and 19 females. The median BMI was 21.4(19.0-25.5) kg/m 2. Tumors located on the left side in 9 cases and right side in 11 cases. Tumors located on the upper pole in 7 cases, middle pole in 4 cases and lower pole in 5 cases. 4 cases were multiple tumors, 2 cases were bilateral, and 2 cases were unilateral. The median R. E.N.A.L. score was 8(4-12) points and the median maximum diameter of tumor was 7.3(7.0-20.0) cm. There was no statistically significant difference in general information between the two groups ( P>0.05). The operation time, warm ischemia time, intraoperative blood loss, postoperative complications, postoperative recovery, renal function and other indicators of the two groups were compared, as well as the follow-up results. Results:The operations in both groups were successfully completed, and none of them were transferred to open surgery. Patients in the RAPN group had markedly lower median operation time [115(90-220) vs.145(120-240) min], and reduced median time of warm ischemia [15(10-25) vs. 23(20-28) min] than those in the LPN group, the difference between the two groups was statistically significant ( P<0.05). There were no significant differences in the median time of eating [1(1-2) vs. 1(1-3)d], time of extubation [4(3-16) vs. 5(3-14)d], postoperative absolute time in bed [4(3-7) vs. 4(2-12)d], hospitalization time [7(5-16) vs. 8(4-14)d], creatinine change[11.3(1.6-44.8) vs. 18.2(1.0-54.8)μmol/L], eGFR change [21.5(1.8-43.5) vs. 22.1(5.6-51.3) ml/(min·1.73m 2)], and hemoglobin change[22.5(11-43) vs. 23.0 (9-62) g/L] between the two groups( P>0.05). The incidence of postoperative complications in the RAPN group and the LPN group were 0 and 15%(3/20), respectively, and the difference was statistically significant ( P<0.05). 3 patients had blood transfusion during the operation, because 2 patients had renal wound hemorrhage. During the operation, ultrasonic scalpel electrocoagulation to halt bleeding and hemostatic cotton padding were performed, which improved after suture. One case had active hemorrhage from the renal wound arteries after surgery, which improved after blood transfusion and embolization. Another 2 patients had postoperative fever, improved after anti-infection and antipyretic treatment. There was no leakage of urine after operation in RAPN group and LPN group. The RAPN group was followed up for 6 months to 45 months with a median time of 12 months, and the LPN group was 8 months to 50 months with a median time of 15 months. No tumor recurrence or delayed renal stump bleeding was identified. Conclusions:Compared with LPN, RAPN therapy of giant RAML can shorten the operation time and warm ischemia time, and decrease postoperative complications, the two have similar short-term follow-up results in terms of tumor control and renal function protection.

Single-docking robot-assisted laparoscopic radical nephroureterectomy is difficult to deal with the distal ureter and bladder. Thirty-two patients with ureter carcinoma underwent single-docking robot-assisted nephroureterectomy in rectus rectilinear cannula placement in our hospital. The advantages include lower surgical difficulty, shorter operation time, less surgical bleeding and damage. This surgical method is a safe and effective minimally invasive treatment for ureter carcinoma.

Objective:To explore the tricuspid annular plane systolic excusion(TAPSE) in children with left-to-right shunt after congenital heart disease surgery and to understand the early systolic function of right heart in thesepatient.Methods:From June 2018 to December 2018, a prospective study was conducted in 20 infants after repair of left-to-right shunt congenital heart disease, including 10 males(50%) and 10 females(50%) , aged from 1 to 12 months, with a median of 4.5(2.0, 6.8) months, a body mass of 3.0-9.0 kg with median of 6.0(3.7, 7.7) kg.On the first postoperative day, blood was taken from central venous for N-terminal pro-B-type natriuretic peptide(NT pro-BNP) test, TAPSE and left ventricular ejective fraction(LVEF) was measured by echocardiography.The effects of aortic occlusion time, cardiopulmonary bypass time, preoperative pneumonia and preoperative heart failure on TAPSE were compared. The relationship between TAPSE and heart rate, systolic pressure, central venous pressure, vasoactive drug score, endotracheal intubation time, detention time in intensive care unit, NT pro-BNP and LVEF after operation was analysed.Results:The aortic cross-clamping time was 15-87 minutes, with median 31(28, 50) minutes. The cardiopulmonary bypass time was 35-117 minutes, with an average of(68±22)minutes. The time of tracheal intubation was 4-117 hours, with an average of(50±35) hours. The stay time in CICU was 1-14 days, with a median of 5(2, 7) days.The LVEF was 0.18-0.66, with median 0.53(0.42, 0.57). The TAPSE was 2.0-10.0 mm, with an average of(5.2±2.0) mm. On the first day after operation, NT pro-BNP was 1 548-35 000 pg/ml, with an average of(9 446±8 130) pg/ml.TAPSE was negatively correlated with postoperative intubation time( r=-0.576, P= 0.007) and detention time in ICU( r=-0.765, P=0.000), and positively correlated with postoperative LVEF( r=0.461, P=0.041)( P<0.05). TAPSE was negatively correlated with heart rate( r=-0.303, P=0.193), central venous pressure( r=-0.425, P=0.062), vasoactive drug score( r=-0.418, P=0.067) and NT Pro BNP( r=-0.348, P=0.132), and positively correlated with systolic pressure( r=0.146, P=0.54), but there was no statistical significance in each item.Compared with patients with TAPSE≥5mm, the detention time and tracheal intubation time were longer than those TAPSE<5 mm, the central venous pressure and NT-pro BNP was higher than those TAPSE<5 mm( P<0.05), the difference was statistically significant, other indicators had no significant difference. Conclusion:It is simple and feasible to measure TAPSE by echocardiography in children after operation with left-to-right shunt congenital heart disease.TAPSE decreased postoperatively suggested that the function of right ventricle decreased at the early stage after surgery, and with left ventricle systolic function decreased, which eventually led to the increase of NT pro-BNP, the need for higher doses of vasoactive drug support, longer tracheal intubation time and the stay time in CICU.Attention should be paid to the right heart function of children after congenital heart surgery.

Objective:To explore the safety and feasibility of the simultaneous combined operation in children with congenital heart disease complicated with non-cardiac malformation.Methods:A total of 72 children undergoing combined surgery or simple heart surgery in the Department of Cardiac Surgery, Children′s Hospital, Capital Institute of Pediatrics from January 2017 to January 2019 were enrolled.According to the severity of the disease, patients in the combined operation group (group A) and the simple heart surgery group (group B) were separately subdivided into the low risk group (group L) and the high risk group (group H). There were 36 children in group A, with the age ranging from 1.5 to 168.0 months old (median: 18.0 months). There were 36 cases in group B, with the age ranging from 1.0 to 170.0 months old (median: 19.0 months). Patients in groups A and B were sent to the cardiac intensive care unit(ICU) after operation.The cardiopulmonary bypass (CPB) time, aortic clamping (ACC) time, tracheal intubation time, intensive care unit (ICU) retention time, brain natriuretic peptide (BNP), alanine aminotransferase (ALT) and creatinine (Cr) were recorded.Besides, the cardiac output index (CI), cardiac circulation efficiency (CCE), maximum pressure gradient (dp/dt), lactic acid (Lac), blood glucose (Glu), inotropic score (IS) were also recorded at the time of returning to ICU (T0), 4 hours after operation (T1), 8 hours after operation (T2), 12 hours after operation (T3), 24 hours after operation (T4) and 48 hours after operation (T5), respectively.Results:(1) Intra-group comparison in group A: the age [(39.9±37.0) months], height [(94.1±20.1) cm] and weight [(14.4±6.7) kg] of children at low risk (group L-A) were significantly higher than those at high risk (group H-A) [(7.5±3.7) months, (68.1±6.4) cm, (7.8±2.2) kg] (all P<0.01). The CPB time [(37.0±23.6) min], ACC time [(19.1±13.4) min], endotracheal intubation time [(7.1±4.7) h], ICU retention time [(1.1±0.3) d] and BNP 24 hours after operation [(2 257.3±952.0) ng/L] in group L-A were significantly lower than those in group H-A [(84.7±28.4) min, (41.9±30.7) min, (71.0±67.6) h, (8.7±5.7) d and (5 327.2±992.9) ng/L] (all P<0.01). Glu, IS, CI, CCE were significantly different between patients at low risk and patients at high risk ( P<0.05). At the time of T0-T5, the Glu( F=4.43, P<0.05) and IS ( F=26.99, P<0.01)of group L-A were lower than those of group H-A, and the CI ( F=18.39, P<0.01)and CCE ( F=5.28, P<0.05) of group L-A were higher than those of group H-A.(2) Comparison between groups A and B: there was no significant difference in age, height, weight, CPB time, ACC time, hemodynamic parameters, arterial blood gas parameters and postoperative clinical indexes between patients at high risk or patients at low risk in group A and group B (all P>0.05). Conclusions:(1) For the patients at low risk, hemodynamics remains stable after the combined operation.The combined operation does not increase the endotracheal intubation time and ICU retention time, so it is safe and feasible.(2) For the patients at high risk, hemodynamics is also stable after the combined operation.However, their IS is higher than that of patients at low risk at any time point, and the incidence of postoperative adverse events is higher than that of patients at low risk.It is necessary to evaluate the condition and operation plan of the children before operation.

Congenital heart disease(CHD) ranks the first in birth defects.Some children with CHD have other non-cardiac malformations, and the perioperative mortality and adverse events are higher in children with CHD.One of the main causes of this problem is that the risk assessment system and treatment plan for CHD with non-cardiac malformations are not perfect.This article summarizes the progress and epidemiology, diagnosis and treatment by reading the literature related to this disease, stratifies the severity of the disease, and summarizes the latest surgical program, and provides evidence for the treatment of patients with CHD and non-cardiac malformations.

Objective To explore the role of resveratrol (RES) on cardiomyocyte hypertrophy of rat induced by isoproternol (ISO) and the effect of Res on the expression of GRP78 and GRP94 in endoplasmic reticulum stress of cardiomyocyte hypertrophy.Methods Hypertrophic model of cardiomyocytes was induced by ISO.Cardiomyocytes was divided into four group: control group, the model group, RES+ISO group and RES group.Hypertrophy status of cardiomyocytes was determined by Leica 2Q500 image analysis system measuring the cell surface area and the gene expression of ANP.The content of LDH and MDA was measured in different groups, and the protein expressions of GRP78 and GRP94 were detected by Western blot.Results Compared with control group, ISO induced cardiomyocytes hypertrophy, endoplasmic reticulum stress related factors GRP78 and GRP94 protein expression were increased, compared with ISO group, RES intervention effectively suppressed the cardiomyocytes hyper-trophy induced by ISO, reduced the protein expression of GRP78 and GRP94, at the same time, reduced lactate dehydrogenase (LDH) and malondialdehyde (MDA) release in cell medium.Conclusions Treatment of RES may protect cardiomyocytes hypertrophy, which is partially mediated by inhibiting the expression of ERS factors GRP78 and GRP94.

ObjectiveTo investigate the relationship between small intestinal bacterial overgrowth (SIBO) and the severity of hepatitis B cirrhosis. MethodsForty-seven patients with hepatitis B cirrhosis who visited Department of Gastroenterology, Zhengzhou People′s Hospital, from June 2014 to June 2015 were selected as cirrhosis group; these patients consisted of 11 Child-Pugh class A cases, 16 Child-Pugh class B cases, and 20 Child-Pugh class C cases. Fifteen healthy volunteers were selected as control group. The levels of procalcitonin, bilirubin, plasma albumin, and globulin were measured in all subjects. The lactulose hydrogen breath test (LHBT) was performed to measure small intestinal bacterial growth. Comparison of categorical data was made by chi-square test or Fisher's exact test. Comparison of normally distributed continuacs data between groups was performed by t test, The correlations of SIBO with procalcitonin, bilirubin, plasma albumin, and albumin/globulin ratio were investigated by Pearson correlation analysis. ResultsSIBO was found in 22 (46.8%) of the 47 patients with liver cirrhosis, consisting of 2 (18.1%) in the 11 Child-Pugh class A cases, 7 (43.7%) in the 16 Child-Pugh class B cases, and 13 (65.0%) in the 20 Child-Pugh class C cases. The prevalence of SIBO showed a significant difference between the controls and all patients with hepatitis B cirrhosis, Child-Pugh class B cases, or Child-Pugh class C cases (P=0.005, 0.037, or 0.001), but no significant difference between the controls and Child-Pugh class A cases (P=0556); there was a significant difference in the prevalence of SIBO between Child-Pugh class A cases and Child-Pugh class B/C cases (χ2=4727,P=0.030). The levels of procalcitonin, bilirubin, plasma albumin, and globulin were significantly correlated with LHBT set-value (r=0.895, 0.907, -0.810, and 0.755, respectively, all P＜0.001). ConclusionThe prevalence of SIBO increases with exacerbation of liver injury in patients with hepatitis B cirrhosis. The levels of procalcitonin, bilirubin, and globulin are positively correlated with SIBO, while plasma albumin level is negatively correlated with SIBO.

BACKGROUND:Previous studies have demonstrated that transplantation of control ed release glial cellline-derived neurotrophic factor and bone marrow mesenchymal stem cells-derived neuron-like cells can effectively promote the motor function and sensory function recovery of rhesus monkeys with spinal cord injury.
OBJECTIVE:To validate whether co-transplantation of control ed release glial cellline-derived neurotrophic factor and bone marrow mesenchymal stem cells-derived neuron-like cells exhibits better protective effects on spinal cord glial scar of rhesus monkeys with spinal cord injury than celltransplantation alone.
METHODS:Twelve rhesus monkeys were col ected to prepare animal models of acute severe spinal cord injury using modified Al en’s method, and then randomly divided into three groups:experimental group, co-transplantation of control ed release glial cellline-derived neurotrophic factor and bone marrow mesenchymal stem cells-derived neuron-like cells;control group, simple transplantation of bone marrow mesenchymal stem cells-derived neuron-like cells;blank control group, PBS. After 5 months, paraffin specimens of the spinal cord were made for detection of morphological and compositional characteristics of glial scar, regeneration of nerve fibers in the scar, glial scar area, and average absorbance of glial fibril ary acidic protein.
RESULTS AND CONCLUSION:Glial scar in the injured spinal cord was composed of astrocytes and histocytes. Less spinal cord glial scar area and lower absorbance value could be observed in the experimental and control groups as compared with the blank control group (P<0.05). In addition, in the blank control group, neurofilament negative fibers could be observed in the glial scar, and astrocytes proliferated obviously. The experimental and control groups showed less fibers passed through the scar area. The glial scar area and average absorbance in the experimental group was lower than that in the control group (P<0.05). These findings suggest that compared with simple transplantation of bone marrow mesenchymal stem cells-derived neuron-like cells, co-transplantation of control ed release glial cellline-derived neurotrophic factor and bone marrow mesenchymal stem cells-derived neuron-like cells shows better protective effects spinal tissue structure after spinal cord injury, which may be one of mechanisms by which the number of glial scars is reduced to a greater extent.