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Objective To assess the psychological status of staff at the centers for disease control and prevention(CDC) in Sichuan during the outbreak of coronavirus disease 2019(COVID-19) and explore the influencing factors. Methods The staff at Sichuan provincial,municipal,and county(district)-level CDC were selected by convenience sampling.Their basic information,work status,training status,work difficulties,and support from the work group were collected from the self-filled questionnaires online.The Generalized Anxiety Disorder Scale and the 9-question Patient Health Questionnaire were respectively employed to measure the anxiety and depression of the staff.The stepwise Logistic regression was carried out to analyze the influencing factors of anxiety and depression in CDC staff. Results Among the 653 staff,58.35% and 50.06% presented anxiety and depression,respectively.The regression results showed that age(OR=0.95,95%CI=0.92-0.97) and mental support from the work group(OR=0.61,95%CI=0.45-0.82) were the protective factors while physical fatigue(OR=1.82,95%CI=1.20-2.74),work pressure(OR=1.61,95%CI=1.21-2.12),and insufficient protective equipment(OR=1.92,95%CI=1.06-3.49) were the risk factors for depression of CDC staff.Age(OR=0.97,95%CI=0.94-0.99),length of sleep per day(OR=0.74,95%CI=0.56-0.96),and participation in technical training(OR=0.33,95%CI=0.12-0.95) were the protective factors while mental fatigue(OR=1.68,95%CI=1.18-2.41),work pressure(OR=2.94,95%CI=2.08-4.17),and unclear incentive system for overtime(OR=1.99,95%CI=1.23-3.23) were the risk factors for the anxiety of CDC staff. Conclusion The anxiety and depression status of CDC staff during the COVID-19 outbreak were worrying,which were mainly affected by age,sleep,supply of protective equipment,incentive system,fatigue,and work pressure.
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Humans , Anxiety/epidemiology , COVID-19 , China/epidemiology , Cross-Sectional Studies , Disease Outbreaks , SARS-CoV-2 , Surveys and Questionnaires , United StatesABSTRACT
Hyperhomocysteinemia (HHcy) is one of the independent risk factors for youth cerebral infarction. Gene mutation of key enzymes in homocysteine metabolism is the main cause of HHcy. Few cases of cystathionine beta-synthase (CBS) compound heterozygous mutation complicated with pulmonary embolism and lower extremity artery embolism have been reported. This article reported a young cerebral infarction patient complicated with pulmonary embolism and lower extremity artery embolism, who was subsequently detected with significantly elevated blood Hcy, and finally etiologically diagnosed with CBS 833 T>C/1082C>T compound heterozygous mutation. With the treatment of folic acid, methyl cobalt amine, vitamin B 6 and anticoagulant, the blood Hcy has been gradually declined, and no new thrombotic events occurred during the follow-up period of a year.
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@#Retinol dehydrogenase 5(RDH5)is an NAD(H)retina-dependent oxidase. As a key enzyme in the visual cycle, it can initiate a series of enzymatic reactions to produce visual pigment, so as to achieve the conversion of photoelectric signal and participate in the formation of retinoic acid, <i>etc</i>. RDH5 mutation can greatly reduce the enzyme activity and even cause severe hereditary retinopathy, such as fundus albipunctatus, retinitis pigmentosa, and retinitis punctate albescens. In this paper, the research progress of RDH5 in visual cycle and hereditary retinal diseases in recent years is reviewed.
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Wu Lien Teh (1879-1960), a world-renowned health and epidemic prevention expert, was a pioneer in public health and medical education in China. With his scientific ideas and methods, he extinguished the plague epidemic in northeast China which shocked the world at the beginning of the 20th century. He proposed and enriched the theory of pneumonic plague, and his work marked a milestone in the world’s plague prevention and treatment. He established a scientific health and epidemic prevention system in China, promoted the reform of medical education, established modern medical institutes and hospitals, founded the Chinese Medical Association, helped reclaim the right of port quarantine, strengthened the anti-opium campaign, and promoted cultural exchanges between Chinese and western medicine. He was knowledgeable and far-sighted, and committed to the practice and research of infectious disease prevention and treatment, promoting the development of China’s public health, which has a far-reaching impact on China and the world.
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Objective: To establish an ultra-high performance liquid chromatography coupled with triple quadrupole mass for the determination of five biflavones. Method: Chromatographic separation was carried out on a ACQUITY UPLC BEH C18 column (2.1 mm×100 mm,1.7 μm) with gradient elution of acetonitrile and 0.10%formic acid at a flow rate of 0.3 mL·min-1,and the column temperature was set at 35℃. Result: Amentoflavone,bilobetin,ginkgetin,isoginkgetin,sciadopitysin showed a good linearity within the ranges of 0.02-13.20 mg·L-1(r=0.996 3),0.05-23.60 mg·L-1(r=0.995 5),0.09-18.60 mg·L-1(r=0.992 7),0.10-21.00 mg·L-1(r=0.998 8),0.06-16.00 mg·L-1(r=0.996 7),with average recoveries of 101.50%,98.78%,97.59%,97.24%,101.09%, and RSDs of 2.7%,2.7%,3.1%,2.8%,1.3%. The contents of amentoflavone,bilobetin,ginkgetin,isoginkgetin,sciadopitysin ranged between 121.30-434.74,268.39-847.14,251.80-1 297.10,195.87-691.10,477.48-3 003.90 μg·g-1. The total biflavones ranged between 1 474.45-5 635.40 μg·g-1. It shows a certain regularity that the low-vinegar leaves contain higher total flavonoids,and the total flavonoid content gradually decreases with the increase of tree age. Conclusion: The method was simple, and can be used for qualitative and quantitative analysis of biflavones.
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Aim To investigate the effects of astragalus polysaccharide ( APS ) on depressive behaviors and hippocampal NF-κB signaling in rats with depression. Methods Wistar rats were randomly divided into con-trol group, depressive group, APS-low (200 mg·kg-1 ·d-1 ) group and APS-high ( 400 mg · kg-1 · d-1 ) group. Depressive behaviors were induced by chronic unpredictable mild stress ( CUMS) in rats. After trea-ted with APS, depressive behaviors were valuated by open field test, forced swim test and sucrose preference test. Levels of NF-κB p65, phosphorylated NF-κB p65 ( p-NF-κB p65 ) , phosphorylated IκBα ( p-IκBα) , NF-κB p65 DNA binding activity, TNF-α, IL-1β and IL-6 were measured to assess the activity of NF-κB sig-naling pathways. Results Compared to control group, rats in depressive group had less sucrose intake in su-crose preference and longer immobility time in forced swim test, as well as increased hippocampal NF-κB signaling activity. However, APS treatment dose-de-pendently alleviated depressive-like behaviors and in-hibited the activation of NF-κB signaling induced by UCMS. Conclusion The antidepressant effects of APS might be associated with the inhibition of hipp-ocampal NF-κB signaling pathway.
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Aim To investigate the effects of astragalus polysaccharide (APS) on renal TGF-β1/Smads signa-ling pathway in rats with diabetes mellitus(DM). Methods Wistar rats were randomly divided into nor-mal group,DM group,APS low dose (APS-low) group and APS high dose (APS-high) group. Rats in APS-low group and APS-high group respectively received 200 and 400 mg·kg-1·d-1APS for 8 weeks. Con-centrations of fasting blood-glucose(FBG),blood urea nitrogen and creatinine,as well as urinary kidney injury molecule-1 (KIM-1) and osteopontin (OPN) were measured. Levels of TGF-β1,Smad2,phosphorylated Smad2 (p-Smad2),Smad3,phosphorylated Smad3 (p-Smad3),Smad7,matrix metalloproteinase (MMP) 2,MMP-9,tissue inhibitor of matrix metalloproteinases (TIMP)-1 and TIMP-2 were investigated. Results Compared to control group,DM group had higher levels of FBG,blood urea nitrogen,creatinine KIM-1,OPN, TGF-β1,Smad2,p-Smad2,Smad3,p-Smad3,TIMP-1 and TIMP-2,but lower levels of Smad7,MMP-2 and MMP-9. APS significantly decreased the levels of FBG,blood urea nitrogen,creatinine KIM-1 and OPN, as well as inhibited the activity of TGF-β1/Smads sig-naling pathway. Conclusion The renoprotective effects of APS might be associated with the inhibition of TGF-β1/Smads signaling pathway.
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In the present study, three new triterpenoids, 23-hydroxyurs-12, 18-dien-28-oic acid 3β-O-α-L-arabinopyranoside (1), 23-hydroxyurs-12, 18-dien-28-oic acid 3β-O-β-D-glucuronopyranoside-6-O-methyl ester (2), and urs-12, 18-dien-28-oic acid 3β-O-β-D-glucuronopyranoside-6-O-methyl ester (3), and a known triterpenoid, 3β-hydroxy-urs-2, 18-dien-28-oic acid (4, randialic acid B), were isolated from the aerial parts of Ilex cornuta. Their structures were identified by the spectroscopic analyses (IR, ESI-MS, HR-ESI-MS, and 1D and 2D NMR) and chemical reactions. Compound 4 showed significant cell-protective effects against HO-induced H9c2 cardiomyocyte injury. Compounds 1-4 did not show any significant DPPH radical scavenging activity.
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Animals , Rats , Biphenyl Compounds , Metabolism , Cardiovascular Agents , Chemistry , Pharmacology , Hydrogen Peroxide , Metabolism , Ilex , Chemistry , Molecular Structure , Myocardium , Cell Biology , Pathology , Myocytes, Cardiac , Picrates , Metabolism , Plant Components, Aerial , Chemistry , Plant Extracts , Chemistry , Pharmacology , Triterpenes , Chemistry , PharmacologyABSTRACT
Objective: To study the effect of hesperetin on the migration of P-selectin mediated MDA-MB-231 breast cancer cells and its mechanism. Methods: Using computer virtual docking to evaluate the capacity of hesperetin binding to P-selectin in vitro; MTS test was observed with different concentration of hesperetin or P-selectin on the growth capacity of MDA-MB-231; The effect of hesperetin on P-selectin secretion by activated platelet was detected by Elisa kit; Adhesion experiments examined hesperetin on P-selectin-mediated MDA-MB-231 and endothelial cell adhesion; Transwell experiment was performed to analyze the effect of P-selectin on MDA-MB-231 breast cancer cell migration affected by hesperetin; Western blotting investigated MDA-MB-231 cell surface glycoprotein Mucin-1, Integrin β3, β1 and matrix metalloproteinase expression of MMP-2 and MMP-9 protein expression influenced by hesperetin; impact of hesperetin on MDA-MB-231 cell integrin-matrix metalloproteinase signaling pathway was analyzed to clarify the anti-tumor metastasis mechanism of hesperetin. Results: Hesperetin inhibited P-selectin-induced MDA-MB-231 cell migration and reduced HUVEC-breast cancer cell adhesion. Hesperetin down-regulated the expression of β1 and β3 integrins, and MMP-2 and MMP-9 at protein levels in MDA-MB-231 cells. Conclusion: Hesperetin can inhibit the growth capacity of MDA-MB-231 breast cancer cells, block P-selectin-induced breast cancer MDA-MB-231 tumor cell migration and adhesion, and the mechanism for hesperetin is through competitive P-selectin binding to Mucin-1.Subsequently, hesperetin could block PI3K/AKT/Paxillin/FAK/Src signaling pathway and down-regulate P-selectin mediated Integrins, MMP-2, and MMP-9 expression.
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Objective To study and analyze the clinical efficacy of psychological intervention combined with amiodarone on the treatment of arrhythmia in elderly patients with coronary heart disease. Methods 90 elderly patients with coronary heart disease and arrhythmia treated in Changshan people's hospital in Quzhou from February 2015 to September 2016 were randomly divided into the control group and the experimental group, 45 cases in each groups. The two groups was given routine treatment, the control group was treated with amiodarone, at this basis the experimental group were given psychological intervention. To pay attention to the psychological status of the patients, strengthen communication and exchanges with them, increase confidence and compliance during the treatment. The clinical efficacy of the two groups was compared and analyzed. Results The effective rate in the experimental group was 93.3%, which was significantly higher than 73.3% in the control group, the difference was statistically significant (P<0.05). After treatment, the heart rate in the experimental group was (68.79±6.23) times/min, which was significantly lower than (92.30±7.52) times/min in the control group, the difference was statistically significant (P<0.05). Conclusion The clinical curative effect is ideal which psychological intervention combined with amiodarone is used on the treatment of senile coronary heart disease arrhythmia , it can significantly improve the clinical symptoms of patients, improve the treatment efficiency, high safety, has clinical significance.
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Objective To study and analyze the clinical efficacy of psychological intervention combined with amiodarone on the treatment of arrhythmia in elderly patients with coronary heart disease. Methods 90 elderly patients with coronary heart disease and arrhythmia treated in Changshan people's hospital in Quzhou from February 2015 to September 2016 were randomly divided into the control group and the experimental group, 45 cases in each groups. The two groups was given routine treatment, the control group was treated with amiodarone, at this basis the experimental group were given psychological intervention. To pay attention to the psychological status of the patients, strengthen communication and exchanges with them, increase confidence and compliance during the treatment. The clinical efficacy of the two groups was compared and analyzed. Results The effective rate in the experimental group was 93.3%, which was significantly higher than 73.3% in the control group, the difference was statistically significant (P<0.05). After treatment, the heart rate in the experimental group was (68.79±6.23) times/min, which was significantly lower than (92.30±7.52) times/min in the control group, the difference was statistically significant (P<0.05). Conclusion The clinical curative effect is ideal which psychological intervention combined with amiodarone is used on the treatment of senile coronary heart disease arrhythmia , it can significantly improve the clinical symptoms of patients, improve the treatment efficiency, high safety, has clinical significance.
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Owing to the increasing morbidity and pulmonary infection,management of pulmonary function has become an important problem for COPD patients who undergo surgery.Surgical patient with respiratory disease such as COPD has declined lung function before operation,then increased the risk of post-operative pulmonary complications.Ipratropium bromide can significantly improve pulmonary function.Therefore,we hypothesis the treatment with nebulized ipratropium bromide will benefit the perioperative patients with COPD.A randomized,double-blind,placebo-controlled,parallel-group,multi-center trial (Ipratropium bromide in Peri-Operative COPD study,IPO-COPD study)has been conducted to evaluate the efficacy and safety of nebulized ipratropium bromide in Chinese perioperative patients with COPD under general anaesthesia.A total of 192 COPD patients who satisfied the eligibility criteria were randomly assigned(1∶1) to one of the two treatment groups(ipratropium bromide 500 μg or normal saline 4 ml) for 11 days.Measurements will include the change of the forced expiratory volume in 1 second(FEV1),the forced vital capacity(FVC),blood gas analyses and main post-operative pulmonary complications.
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Objective: To investigate the chemical constituents in the stems of Ilex cornuta and the ability of scavenging free radicals of compounds 1-9. Methods: The compounds were isolated and purified by silica gel, medium pressure column chromatography, and semi-preparative liquid chromatography, and their structures were elucidated by chemical properties and spectroscopic analyses. The antifreeradical efficiency of compounds 1-9 was evaluated by DPPH radical scavenging assay. Results: Fifteen compounds were isolated and their structures were identified as isochlorogenic acid B (1), 3,4,5-tricaffeoylquinic acid (2), 4,5-di-O-caffeoyl quinic acid methyl ester (3), 3,4-di-O-caffeoyl quinicacid methyl ester (4), 3,5-di-O-caffeoyl quinicacid methyl ester (5), 3,4,5-tri-O-caffeoyl quinic acid methyl ester (6), 3,5-dimethoxy-4-hydroxybenzaldehyde (7), ethyl gallate (8), dihydrosyringenin (9), 2,6-dimethoxy-1,4-benzoquinone (10), arctigenin (11), 1-O-(vanillic acid)-6-O-(3″, 5″-dimethoxy-galloyl)-β-D-glycoside (12), (+)-1-hydroxypinoresinol-1-O-β-D-glucopyranoside (13), (+)-(7S,8S)-syringylglycerol 8-O-β-D-glucopyranoside (14), and schaftoside (15). Compounds 1-7 had good antifreeradical efficiency. Conclusion: Compounds 6,8-10,14, and 15 are obtained from the plants of Ilex L. the first time, and compounds 2,7,11, and 12 are obtained from this plant for the first time. Compounds 1-6 have good antifreeradical efficiency.
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Objective To research the toxicity of ethanol extracts from Poylgonum multiflorum Thunb (PMT) induced by endotoxin of Gram-negative bacteria lipopolysaccharide (LPS) in rat liver, and then investigate the hepatotoxicity mechanisms of PMT on immune inflammatory signal pathway Toll-Like receptor 4 (TLR4) -interferon regulated factor3 (IRF-3). Methods SD rats were randomly assigned into normal control, LPS (4 mg/kg), acetaminophen APAP (625 mg/kg), PMT 6 g/kg (PMT- L), PMT 12 g/kg (PMT-H), LPS+APAP and LPS+PMT-L/-H groups. The 4 groups later were injected LPS 4 mg/kg by caudal vein, after 2 h, the corresponding drugs were administered once a day for 7 consecutive days, respectively. The changes of weight of rats were observed every day. The tissue morphology of liver tissue of rats on 2 h, 14 h, 5 d, 8 d after administration were detected by hematoxylin-eosin staining respectively. Real time quantitative PCR (RT-qPCR) method and Western blotting were used to detect the expression of TLR4, TRIF and IRF3 in the TLR4 signaling pathway in liver cells. Results Two hours after the rat tail vein injection of LPS, the liver tiny granulomas of rats could be observed in LPS-induced groups, and then, the liver injury of rats in LPS group was gradually recovered. Eight Days after LPS induction, the liver tissue structure of rats in LPS group was clear and complete, but in LPS + APAP group and LPS + PMT 6 or 12 g/kg groups, the focal necrosis of hepatocytes, with inflammatory cell infiltration could be observed. The results of RT-qPCR and Western blotting showed that in oral administration of PMT groups, the expression of TLR4, TRIF and IRF-3 mRNA and protein in the liver cells had no significant change compared with the normal control group. But in 4 groups induced with LPS, the expression of TLR4, TRIF and IRF- 3 mRNA and protein in the liver cells were significantly higher than that of the normal control group and LPS group (P<0.05). Conclusion PMT can cause liver damage induced by LPS, the hepatotoxicity is related to the positive regulation of TLR4/IRF-3 signaling pathways, which is not related to the dosage of PMT. The results show that activating TLR4/IRF3 signaling pathway is one of the mechanisms of liver injury of PMT in rats induced by LPS.
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<p><b>OBJECTIVE</b>To investigate the incidence of congenital adrenal hyperplasia (CAH) and treatment outcomes in neonates in Ningxia, China.</p><p><b>METHODS</b>The clinical data of CAH screening for 160 046 neonates who were born in midwifery institutions in Ningxia from July 2014 to March 2016 were analyzed.</p><p><b>RESULTS</b>Among the 160 046 neonates who underwent CAH screening, 70 (0.044%) obtained a positive result and 11 were diagnosed with CAH; the incidence rate of CAH was 1/14 550 (0.069‰). Among the 11 neonates diagnosed with CAH, 9 had the salt wasting type (2 died) and 2 had simple virilization. The 9 neonates were given glucocorticoids immediately once diagnosed and all of them achieved good growth and development.</p><p><b>CONCLUSIONS</b>The incidence of neonatal CAH in Ningxia is 1/14 550. It is very necessary to carry out CAH screening in Ningxia, and active treatment can improve the prognosis of neonates with CAH.</p>
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Female , Humans , Infant, Newborn , Male , Adrenal Hyperplasia, Congenital , Diagnosis , Epidemiology , Therapeutics , China , Epidemiology , Follow-Up Studies , PrognosisABSTRACT
Objective To discuss the application effects of CBI teaching method in medical English Teaching of respiration medicine. Methods Dividing 120 students of Grade 2009 in Jining Medical College into two groups including control group (60) and experimental group (60). The tradi-tional teaching method was adopted in the control group and CBI teaching method was adopted in the experimental group. After finishing the courses, medical professional English level test and standard-ized patients test were applied in the two groups. Students' English studying interests and autonomous English learning ability were also investigated by questionnalres. SPSS 17.0 software was used for sta-tistical analysis, and the data were processed by t test and 字2 test, with the level of a test equal to 0.05. Results The medical professional English level test scores, standardized patients test scores and the total average scores of autonomous English learning ability in experimental group were respectively [(81.97±4.91), (80.33±5.85), (3.88±0.38)], and they were significantly higher than those in the control group [(70.40±4.78), (70.48± 4.79), (2.98±0.26), with P values below 0.01]. Satisfaction degrees in the improvement of learning motivation, learning time, learning method, learning attitude and dealing with study difficulties in experimental group were better than those of control group (χ2=13.084, 8.000, 13.297, 11.627, 13.374, P=0.000). Conclusion CBI teaching method is better than traditional teaching method and it transfers English learning into the learning of professional knowledge and skills of respiratory medicine, stirs the interests of students, improves their autonomous English learning ability and strengthens their abilities to learn and apply English language.
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<p><b>OBJECTIVE</b>To investigate the type and frequency of mutations in exon 7 of phenylalanine hydroxylase (PAH) gene among children with phenylketonuria (PKU) in Ningxia, China and to provide a basis for the genetic diagnosis and prenatal diagnosis of PKU in this region.</p><p><b>METHODS</b>Direct sequencing of PCR product was performed to analyze the sequences of exon 7 and its flanking introns of 146 PAH alleles in 73 children with typical PKU (39 cases of Hui nationality and 34 cases of Han nationality) in Ningxia.</p><p><b>RESULTS</b>Six mutations were detected, including R243Q (14.4%), R241C (6.8%), IVS7+2T→A (2.7%), L255S (0.7%), G247V (0.7%), and G247R (0.7%). The overall frequency of mutations (missense mutation and splice site mutation) in exon 7 was 26.0% (38/146). The detection rate of R241C mutation was significantly higher in children of Hui nationality than in children of Han nationality(10% vs 3%; P<0.05).</p><p><b>CONCLUSIONS</b>In Ningxia, R243Q mutation in exon 7 of PAH gene is most common in children with PKU, followed by R241C. The frequency of R241C mutation in exon 7 of PAH gene varies between children with PKU of Hui and Han nationality.</p>
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Humans , China , Ethnology , Exons , Mutation , Phenylalanine Hydroxylase , Genetics , Phenylketonurias , GeneticsABSTRACT
<p><b>OBJECTIVE</b>To compare efficacy differences between fire filiform needle combined with mild moxibustion and gabapentin combined with sham acupuncture for postherpetic neuralgia (PHN).</p><p><b>METHODS</b>One hundred cases of PHN were randomly divided into a needle group and a medicine group, 50 cases in each one. In the needle group, pricking method of fire filiform needle was given at the Ashi points, and then mild moxibustion was applied for 15 min. In the medicine group, the oral administration of gabapentin capsule and sham acupuncture at non-acupoints in the distal end of lesions were applied. The treatment was required for 21 days in both groups. The visual analogue score (VAS) was recorded before treatment and on the 1st day, 2nd day, 3rd day, 6th day, 9th day and 12th day of treatment. The most severity of pain within last 24 h, preset severity of pain, immediate analgesia effect and starting time of pain relief were observed, also the efficacy was assessed and improvement of symptoms was observed in the follow-up visit.</p><p><b>RESULTS</b>The total effective rate was 94.0% (47/50) in the fire filiform needle group, which was superior to 86.0% (43/50) in the medicine group (P < 0.05). Compared with medicine group, the VAS of the most severity of pain within last 24 h was obviously reduced after the 2nd treatment in the fire filiform needle group while that of present severity of pain was relieved after the 1st treatment (both P < 0.05). The immediate analgesia effect in the fire filiform needle group was obviously superior to that in the medicine group in the first three times of treatment (all P < 0.05). The average time of pain relief was (3.91 +/- 0.82) days in the fire filiform needle group, which was significantly earlier to (6.53 +/- 1.13) days in the medicine group (P < 0.05). 26 cases were cured in the fire filiform needle group in the follow-up visit, which was superior to 2 cases in the medicine group (P < 0.05). The improvement of VAS, pain range and sleep quality in the needle group were also superior to those in the medicine group (all P < 0.05). The direct medical cost in the fire filiform needle group was (232.32 +/- 48.108) yuan, which was significantly lower than (466.00 +/- 41.09) yuan in the medicine group (P < 0.05). There was only one case of adverse effect in the medicine group during the treatment.</p><p><b>CONCLUSION</b>The fire filiform needle combined with mild moxibustion could obviously relieve the pain in PHN patients, which has superior immediate analgesia effect and pain relieving time compared with gabapentin, which also has less adverse effects and cheap cost.</p>
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Aged , Female , Humans , Male , Middle Aged , Acupuncture Points , Acupuncture Therapy , Combined Modality Therapy , Moxibustion , Neuralgia, Postherpetic , Therapeutics , Pain Measurement , Treatment OutcomeABSTRACT
Pharmaceutical preparations, particularly as a "secret recipe" of traditional Chinese medicine in medical institutions, are the product of China's medical and health industry, and they are also an important means of competing of different medical institutions. Although pharmaceutical preparations have advantages and characteristics than institutes for drug and pharmaceutical companies, the quality standards of pharmaceutical preparations in medical institutions has not reached the desired level over the years. As we all know, the quality of pharmaceutical preparations is important to ensure the efficacy, especially under the environment of people pay more sttention on drug safety and effectiveness and contry increase emphasis on the stste of pharmaceutical preparations. In view of this, we will improve the grade, stability, and clinical efficacy of pharmaceutical preparations by the advanced equipment, testing instruments and the process dynamic quality control technology. Finally, we hope we can provide new ideas for the quality control of pharmaceutical preparations.
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Drug Compounding , Reference Standards , Medicine, Chinese Traditional , Reference Standards , Quality ControlABSTRACT
<p><b>OBJECTIVE</b>To investigate the growth status of children under 7 years in Wuzhong City, Ningxia Hui Autonomous Region, China and its influential factors, and to provide a basis for related intervention measures.</p><p><b>METHODS</b>Children under 7 years were selected from two county-level districts in Wuzhong by stratified cluster sampling, and their growth status were evaluated by the Z score method.</p><p><b>RESULTS</b>The prevalence rates of growth retardation, underweight, and wasting were 12.58%, 5.71%, and 5.55% respectively. The height-for-age Z score, weight-for-age Z score, and weight-for-height Z scores were -0.26±2.50, 0.29±4.54. and 0.65±3.02 respectively. There were significant differences in the prevalence rate of wasting among children of different ethnic groups (P<0.05); also, there were significant differences in the prevalence rates of growth retardation and underweight among children from different regions and with different age (P<0.05). The main influential factors for growth retardation were region (OR=0.369, P<0.001), ethnic groups (OR=1.694, P=0.027), and age (OR=1.143, P=0.002). The main influential factors for underweight were region (OR=0.453, P=0.001) and age (OR=1.204，P=0.002). The main influential factor for wasting was nation (OR=1.735, P=0.024).</p><p><b>CONCLUSIONS</b>In Wuzhong, children under 7 years have poor growth status, which are related to ethnic groups, region, and age.</p>