[Objective] To observe the effect of Shuhou Kangyan Decoction (SKD), a liver-kidney nourishing, Qi-strengthening and blood-activating, wind-dispelling and heat-clearing prescription mainly composed of Radix Astragali, Radix Angelicae Sinensis, Fructus Lycii, Radix Rehmanniae, Radix Saposhnikoviae, Rhizoma Atractylodis Macrocephalae, etc. , on interleukin-2 (IL-2) and soluble IL-2 receptor (SIL-2R) in serum and tears of patients with cataract after operation. [Methods] Forty-seven cases of cataract after ultrasonic emulsification plus artificial lens implantation were randomized into two groups. Group A (n = 26) was treated with routine operation and eye drops and group B ( n = 21) with SKD additionally and other 15 healthy aged people ( n = 15) receiving physical examination in the out-patient department served as normal controls. [Results] Post-operative serum SIL-2R level was higher in groups A and B than that before operation ( P 0.05). Post-operative IL-2 and SIL-2R levels in the serum and tears were higher in group A than that in groups B and C (P

Risk assessment of periodontitis can identify high-risk groups, predict individual periodontitis status, and contribute to periodontitis disease management. Therefore, the current review of several foreign periodontitis risk assessment systems provides a guide for clinical selection of periodontitis risk assessment systems.

Cell mechanics is a new interdiscipline, which focuses on the relationship between cell mechanical properties and cell behaviors, as well as physiological processes in tissues, organs and the body. Through the perception of and response to mechanical signals, cells participate in physiological activities of skin, bones, eyes and other organs, and the occurrence and development of diseases, including the regeneration, reconstruction and adaptive changes of skin tissues and the pathogenesis of various skin diseases. Cell mechanics has become a hot spot in the research of skin diseases in recent years. This review summarizes recent progress in cell mechanics-associated basic research, as well as in its research and application in scars, bedsores, vitiligo, skin tumors, hair diseases, etc., aiming to provide possible methods and strategies for the treatment of skin diseases.

Objective To explore the development trend and understand the development dynamics through research and analysis of factors influencing caries of preschool children in China,and provide reference and basis for the establishment of disease prevention and control strategy. Methods Based on the theme of dental caries or cavities or caries and factors or cause or reason and children ,the literatures were searched from CNKI, VIP Chinese science, technology database and Wanfang medical academic database and CBM from building to March 2018. The literature of preschool children caries disease factors, adopts the method of literature metrology analysis. Results A total of 303 literatures were detected, which were distributed in 165 journals and 40 core journals, accounting for 24.2% of the total number of periodicals. 28 articles were published in guangdong province, ranking the first. From building to March 2018, the number of posts has been increasing year by year;Fund funding started in 2003 and started late, but gradually increased after 2003.Tooth brushing, age, and sweets (snacks) are the three main causes of caries in preschool children. Conclusion The study on the factors affecting the caries of preschool children in China started late and may not be further studied due to the limitations of various conditions before 2000.In the last 10 years, the analysis of the factors affecting the dental caries of preschool children has been gradually deepened, and the number of publications has increased significantly.

Objective:To observe the changes of skeletal muscle indexes in elderly patients with type 2 diabetes complicated with sarcopenia treated with sitagliptin and acarbose.Methods:A total of 60 patients over 60 years old with type 2 diabetes complicated with sarcopenia in Dalian Municipal Central Hospital from January 2019 to January 2020 were selected and divided into two groups by random number table method.One group received sitagliptin and metformin,and the other group received acarbose and metformin. The changes of skeletal muscle indexes, glucagon-like peptides-1 (GLP-1), insulin resistance index (HOMA-IR) and inflammatory indexes were compared between the two groups at baseline and 36 weeks after treatment.Results:After treatment, the skeletal muscle index (SMI) of sitagliptin group was increased (5.94 ± 1.52 vs. 5.99 ± 1.52), and the difference was statistically significant ( P<0.05). Muscle strength and SMI decreased in acarbosse group (18.75 ± 4.64 vs. 17.72 ± 4.44, 6.09 ± 1.74 vs. 6.00 ± 1.71), with statistical significance ( P<0.05). GLP-1 increased in sitagliptin group, 0 min: (10.65 ± 1.68) pmol/L vs. (12.41 ± 1.88) pmol/L; 60 min: (22.79 ± 2.85) pmol/L vs. (25.51 ± 2.79) pmol/L; 120 min: (24.26 ± 2.94) pmol/L vs. (29.49 ± 2.91) pmol/L; 180 min: (11.68 ± 1.84) pmol/L vs. (12.88 ± 1.83) pmol/L. There were significant differences ( P<0.05). HOMA-IR and CRP decreased: 4.73 ± 3.04 vs. 3.16 ± 2.41, (2.39 ± 0.50) mg/L vs. (2.33 ± 0.43) mg/L, and the differences were statistically significant ( P<0.05). HOMA-IR in acarbose group decreased after treatment (5.80 ± 3.94 vs. 4.00 ± 1.63), and the difference was statistically significant ( P<0.05). Comparison between the two groups after treatment, the decreased value of muscle strength in sitagliptin group was less than that in acarbose group, and the difference was statistically significant ( P<0.05). GLP-1 and overall GLP-1 area under the curve in sitagliptin group were higher than those in acarbose group (67.64 ± 6.81 vs. 58.98 ± 6.72), with statistical significance ( P<0.05). HOMA-IR and CRP in sitagliptin group were lower than those in acarborose group: 3.16 ± 2.42 vs. 4.00 ± 1.63, (2.33 ± 0.43) mg/L vs. (2.41 ± 0.70) mg/L, with statistical significances ( P<0.05). Conclusions:Sitagliptin therapy improves muscle mass and protects muscle strength in elderly patients with type 2 diabetes mellitus and sarcopenia.

Objective To investigate the characteristics of peroperative blood pressure and heart rate in patients with normotensive incidental pheochromocytomas in order to provide the basis for peroperative treatment. Methods This retrospective study collected the data of 104 patients with a pathological diagnosis of unilateral pheochromocytoma at PLA General Hospital during January 2011 to December 2016. They were divided into normotensive incidental pheochromocytomas(NIP) group (n＝50) if the patients were normotensive and HIP group ( n＝54) if the patients were with hypertension. The clinical features, imaging features and peroperative hemodynamics were analyzed. Results ( 1) The age, urinary norepinephrine, daily dosage and duration of phenoxybenzamine in NIP group were less than those of HIP group (all P<0.05). (2) Preinduction blood pressure, maximum blood pressure, and total fluid intake in NIP group were lower than those in HIP group(all P<0.05). The blood pressure range, heart rate range, increased blood pressure, minimum mean arterial pressure, vasoactive medication were without statistical significance between these two groups. ( 3) The times and rate of intraoperative systolic blood pressure more than 30% baseline, 200 mmHg (1 mmHg＝0.133 kPa), 180 mmHg, 160 mmHg, intraoperative tachycardia, bradycardia, intraoperative hypotension and postoperative hypotension were without statistical significance between these two groups. (4) Stratified analysis of age (50 years), phenoxybenzamine (40 mg/d), tumor diameter (50 mm) and preinduction blood pressure (130/80 mmHg) showed that intraoperative blood pressure and heart rate were without statistical significance between these two groups. ( 5) There was no correlation between phenoxybenzamine ( daily dosage or duration ) and peroperative hypotension. Applying phenoxybenzamine or vasoactive medication was not correlated with peroperative hypotension in NIP group. Conclusion The peroperative blood pressure and heart rate of patients with NIP are similar to those of patients with HIP. Adequate peroperative treatment should be applied to NIP to avoid hemodynamic instability.

Objective:To explore the value of intravoxel incoherent motion (IVIM) DWI in preoperative prediction of angiolymphatic invasion in esophageal squamous cell carcinoma (ESCC).Methods:From April 2016 to April 2019, 63 ESCC patients who planned to undergo resection of esophageal cancer were prospectively collected at Henan Cancer Hospital.According to the postoperative pathological results, 63 patients were divided into angiolymphatic invasion group (30 cases) and no angiolymphatic invasion group (33 cases). All patients underwent IVIM sequence and routine MRI examination before operation. The ADC, true diffusion coefficient (D), pseudodiffusion coefficient (D *) and pseudodiffusion fraction (f) were measured. The differences of parameter values between ESCC with and without angiolymphatic invasion were analyzed using Student′s t test or Wilcoxon rank sum test.The logistic regression was used to analyze the significance of various parameters. For the parameters with statistical significance, the ROC curves were performed to evaluatethe diagnostic performance of parameters for identifying angiolymphatic invasion.The Z test was used to compare the area under the ROC curves(AUC) of parameters. Results:The difference of ADC, D and f values between angiolymphatic invasion group and no angiolymphatic invasion group were statistically signi?cant ( t=4.476, 5.033 and 5.712 respectively, all P<0.001). The D * values showed no statistically signi?cant di?erence ( Z=0.184, P=0.854). The logistic regression analysis showed that D (OR=9.042) and f (OR=26.221) were in correlation with angiolymphatic invasion. The ROC analyses demonstrated that the AUCs of ADC, D and f values in predicting angiolymphatic invasion of ESCC were 0.787, 0.822 and 0.853, respectively. D combined with f had highest AUC (0.917) in predicting the angiolymphatic invasion of ESCC, sensitivity and specificity were 93.3% and 75.8%. D combined with f showed better diagnostic performance than the D and the f value, and the difference were statistically significant ( Z=2.403, 2.289, P=0.016, 0.022). Conclusions:IVIM can be used as an effective functional imaging modality for preoperative evaluation and prediction of the angiolymphatic invasion of ESCC. D value combined with f value can further improve prediction performance of angiolymphatic invasion.

Objective To investigate the correlation between quantitative parameters of dynamic contrast?enhanced MRI (DCE?MRI) after neoadjuvant chemotherapy and pathological grades in esophageal squamous cell carcinoma. Methods Fifty?six patients with esophageal squamous cell carcinoma who were confirmed by esophagoscope and received neoadjuvant chemotherapy before operation between September 2015 and December 2017 in the Affiliated Cancer Hospital of Zhengzhou University were prospectively analyzed, and MRI examination was performed within one week before operation. All patients underwent routine chest MRI and DCE?MRI scanning, and quantitative parameters of DCE?MRI, including volume transfer constant (Ktrans),exchange rate constant (Kep) and extravascular extracellular volume fraction (Ve) were measured. Pathological grading was assessed as highly differentiated, moderately differentiated, poorly differentiated,and undifferentiated. Intraclass correlation coefficient (ICC) was calculated from the results of two radiologists. Kruskal?Wallis H test was used to compare the differences of quantitative parameters between different pathological grade groups of DCE?MRI,and Mann?Whitney U test was utilized to compare the intraclass differences among pathological grades. Spearman rank correlation analysis was performed for evaluating the correlation between DCE?MRI parameters and pathological grade of esophageal squamous cell carcinoma. The receiver operating characteristic (ROC) curves were used to evaluate the diagnosis accuracy of different DCE?MRI parameters in pathological grade of esophageal squamous cell carcinoma after neoadjuvant chemotherapy. Results The 56 patients were divided into four groups according to pathological findings: well differentiated group (n=8), moderately differentiated group (n=39), poorly differentiated group (n=9) and undifferentiated group (n=0). The differences of Ktransmean,Ktrans75%,Kepmax, Kepmean,Kep75% between different pathological grading groups were statistically significant (all P<0.05),and these parameters showed positive correlation significantly with pathological grading (r values were 0.778, 0.632, 0.594, 0.725, 0.489 respectively, all P<0.05). The ROC curve area of Ktransmean, Ktrans75% in the diagnosis of pathological grade for esophageal squamous cell carcinoma was 0.750,0.856,respectively. The diagnostic efficiency of Ktrans75% was the best with the diagnostic threshold of 0.693/min,sensitivity of 87.5%, specificity of 78.5%, respectively. Conclusion The quantitative parameters of DCE?MRI after neoadjuvant chemotherapy in esophageal squamous cell carcinoma have the potential value for predicting pathological grade.

Objective: To investigate the relationship between neck circumference and metabolic syndrome (MS) in ≥ 40 years old community residents. Methods: A total of 5 017 Dalian community residents who participated in "the risk evaluation of cancers in Chinese diabetic individuals: a longitudinal study" from July to December 2014 were selected, with 1 256 male cases and 3 761 female cases, aged ≥ 40 years old. The basic information was selected by questionnaire. The neck circumference, waist circumference (WC), body height, weight, systolic blood pressure (SBP), diastolic blood pressure (DBP), fasting plasma glucose (FPG), 2 h-postprandial plasma glucose (2 h PG), glycosylated hemoglobin (HbA₁c) and blood fat were measured; the body mass index (BMI) was calculated. Results: The age, neck circumference, WC, FPG, 2 h PG, SBP, DBP, incidence of obesity, incidence of hypertension and incidence of type 2 diabetes mellitus in male were significantly higher than those in female: (63.5 ± 8.4) years vs. (60.8 ± 8.0) years, (38.6 ± 3.0) cm vs. (34.4 ± 2.6) cm, (92.3 ± 9.1) cm vs. (87.3 ± 9.6) cm, 5.59 (5.20, 6.42) mmol/L vs. 5.43 (5.09, 5.99) mmol/L, 7.67 (6.06, 11.08) mmol/L vs. 7.20 (5.97, 9.64) mmol/L, (135.3 ± 18.8) mmHg (1 mmHg = 0.133 kPa) vs. (129.8 ± 19.5) mmHg, (79.8 ± 10.7) mmHg vs. (74.8 ± 10.0) mmHg, 53.0% (666/1 256) vs. 48.9% (1 841/3 761), 49.9% (627/1 256) vs. 40.6% (1 528/3 761) and 29.8% (374/1 256) vs. 22.5% (846/3 761); the total cholesterol, triacylglycerol, high density lipoprotein cholesterol, low density lipoprotein cholesterol and incidence of central obesity in male were significantly lower than those in female: (5.04 ± 0.94) mmol/L vs. (5.58 ± 1.03) mmol/L, 1.35 (0.97, 1.95) mmol/L vs. 1.45 (1.06, 2.04) mmol/L, (1.18 ± 0.27) mmol/L vs. (1.32 ± 0.29) mmol/L, (2.99 ± 0.78) mmol/L vs. (3.27 ± 0.85) mmol/L and 63.7% (800/1 256) vs. 79.7% (2 998/3 761), and there were statistical differences (P<0.01 or <0.05). There were no statistical differences in BMI, HbA₁c and incidence of MS between male and female (P>0.05). After adjustment for age, smoking, drinking, menopausal status (female), BMI and WC, Logistic regression analysis result showed that increased neck circumference in male increased the risk of type 2 diabetes mellitus (OR = 1.075, 95% CI 1.012 to 1.142, P = 0.019); increased neck circumference in female increased the risks of type 2 diabetes mellitus (OR = 1.143, 95% CI 1.096 to 1.192, P = 0.000), hypertension (OR = 1.112, 95% CI 1.071 to 1.156, P = 0.000), hypertriacylglyceremia (OR = 1.099, 95% CI 1.060 to 1.139, P = 0.000), low HDL-C (OR = 1.104, 95% CI 1.064 to 1.144, P = 0.000) and MS (OR = 1.167, 95% CI 1.120 to 1.217, P = 0.000). Taking neck circumference as detection variable and MS as outcome variable, the receiver operating characteristic curve was analyzed. In male, the area under curve was 0.733, the optimal cut-off value of neck circumference was 37.9 cm, with a sensitivity of 77.9%, and a specificity of 55.9%. In female, the area under curve was 0.720, the optimal cut-off value of neck circumference 33.3 cm, with a sensitivity of 76.7%, and a specificity of 56.0%. Conclusions Neck circumference is associated with MS in ≥ 40 years old community residents. Male neck circumference >37.9 cm and female neck circumference>33.3 cm are the optimal cut-off value for forecasting MS.