1.Establishment of methods to evaluate the quality of two different separate gel tubes during ISO15189 accreditation
Hongkun WU ; Chang LI ; Renqian ZHONG ; Lin ZHOU
International Journal of Laboratory Medicine 2016;37(4):463-464,467
Objective To explore the establishment of methods to evaluate the quality of two different separate gel tubes .Meth-ods An evaluation comparing two separate gel tubes with silicate glass tubes ,which are the standard tubes ,was performed using data from 50 subjects .The serum samples were assayed for routine chemistry or immunology after centrifugation using the quantita-tive or qualitative detection methods such as ECL ,enzyme-linked immunosorbent assay (ELISA) ,reflection luminescence or immu-nofluorescence .The data were collect for further statistical analysis .Results For quantitative results of the items ,the two separate gel tubes ,compared with the standard glass tube ,there was no significant difference between the test results (P>0 .05);for quali-tative projects ,two separate plastic tube ,compared with the standard glass tube ,really the positive rate and the true negative rate was no significant difference (P>0 .05 ,K>0 .75) .Conclusion By using different detection methods and test items ,it is demon-strated that using two separate gel tube for items assay does not affect the accuracy and consistency of the test results .As a result , the method for external supplies quality assessment is established in the laboratory for ISO15189 quality control .
2.Comparison between albendazole and triclabendazole against Fasciola gigan-tica in human
Wen FANG ; Feng CHEN ; Hongkun LIU ; Qiong YANG ; Lin YANG
Chinese Journal of Schistosomiasis Control 2014;(1):106-108
Objective To compare the anthelmintic effect of albendazole with that of triclabendazole against Fasciola giganti-ca. Methods Two patients infected with Fasciola gigantica were investigated,and one was administered with albendazole orally (200 mg,twice per day for 5 days)and another was administered with triclabendazole[10 mg/(kg?d)for 2 days]. Their total fe-ces were collected daily during the period of whole therapy,and the eggs of the parasite were collected by using the nylon bag method,and incubated at 28℃. Results The parasite eggs were detected from the first patient’s dejecta on the 1st,2nd and 5th day after the end of the treatment,and no miracidiums hatched out as well as no eggs developed during the period of 25 days of the incubation. Meanwhile,her body temperature fluctuated between 37.4℃and 38.3℃,and she still complained bellyache. For the other invalid,the eggs were not detected on the 2nd and 5th day after the end of the treatment. However,the eggs before and dur-ing the treatment developed the miracidiums of Fasciola gigantica on the 13th day after the incubation,but the eggs collected from the 1st day after the termination of the therapy did not develop and no miracidiums hatched out. At the same time,the signs and symptoms of the patient vanished after the 4th day of the end of the therapy. Conclusions Albendazole has no obvious insecticid-al activity on adult Fasciola gigantica in the short term,but may affect the development of eggs. Triclabendazole has the anthelmin-tic effect on the adults as well as eggs of Fasciola gigantica. In addition,triclabendazole has the characteristics of well curative ef-fect,short course of treatment,and no obvious side effects.
3.Application of multiple clinical pathway training in clinical teaching of Laboratory Diagnostics
Hongkun WU ; Jiangyan LI ; Xiaoxia FAN ; Jun CHEN ; Lin ZHOU
Chinese Journal of Medical Education Research 2017;16(9):895-899
Objective To explore the application and significance of multiple clinical pathway training oriented teaching model in clinical teaching of laboratory diagnostic. Methods Totally 50 medical students enrolled in the Second Military Medical University from September to December in 2015 were divided into experimental group and control group. The course consists of theoretical teaching and experi-mental operation. The pathway group (n=25) were introduced into multiple clinical pathway training oriented teaching method. The theoretical teaching was carried out bysimulation examination application, simulation interpretation and simulation diagnosis and treatment, while the experimental course was carried out by using video teaching combined with actual operation. The control group was taught by traditional teaching method using slide teaching and operation display. The theoretical test including case study and operational skill tests were performed among students in both groups after 10 class hours training . The satisfaction questionnaires were conducted to evaluate the effectiveness and satisfaction of teaching guided by clinical pathway. Differences were compared with independent sample t testing using GraphPad Prism 5.0 statistical software. Results The medical records about professional theoretical test including case study and opera-tional skill test in the pathway group were superior to those in the control group with significant statistical difference (both P<0.05). The records of medical students were (81.84±7.21), (42.00±2.79) in the pathway group and (76.24 ±6.98), (37.00 ±3.71) in the control group. The questionnaire result showed that the pathway group's satisfaction was high, especially with the theoretical knowledge andsceneteaching (higher than 80%). The pathway group believed that multiple clinical pathway training helped to improve learning interest and clinical thinking ability . Conclusions Multiple clinical pathway training oriented teaching model is helpful for the medical students to achieve the basic idea of clinical pathway, improve the profes-sional ability, enhance the interest of learning and the quality of teaching, standardize teaching and promote teaching and learning.
4.Relationship between serum tumor marker level with apoptosis regulation gene expression of tumor tissue in patients with primary hepatocarcinoma
Jun CHEN ; Hongkun WU ; Chang LI ; Honglian GENG ; Lin ZHOU
International Journal of Laboratory Medicine 2016;(3):305-307
Objective To study the relationship between serum tumor marker level and the apoptosis regulation gene of tumor tissue in the patients with primary hepatocarcinoma .Methods 40 cases of primary hepatocarcinoma and 40 healthy people were in‐cluded into the observation group and control group .Then the levels of tumor marker GP73 ,TK1 ,DKK1 in serum and the expres‐sion of apoptosis regulation gene in tumor tissue were detected in the two groups .Results The serum GP73 ,TK1 and DKK1 levels of the observation group were significantly higher than those of the control group ,the difference was statistically significant (P<0 .05) .The apoptosis inhibiting gene Plk1 ,Livin and Xiap levels in the hepatocellular carcinoma tissue were higher than those in the adjacent normal tissues ,while the pro‐apoptotic gene M TS1 ,Caspase‐3 and Caspase‐8 levels were lower than those in the adjacent normal tissues ,the difference had statistical significance (P< 0 .05) ;serum GP73 ,TK1 and DKK1 levels were positively correlated with Plk1 ,Livin and Xiap levels and negatively correlated with M TS1 ,Caspase‐3 and Caspase‐8 levels .Conclusion The levels of se‐rum GP73 ,TK1 and DKK1 in the patients with primary hepatocarcinoma are abnormally increased ,moreover which are closely cor‐related with the apoptosis regulating gene expression and the ideal indexes to evaluate the disease condition of primary hepatocarci ‐noma .
5.Clinical characteristics of Brugada syndrome in Chinese:A report of 49 cases
Yifeng JIANG ; Chuanxin LU ; Hongkun ZHAO ; Feng ZHAO ; Yundi YAO ; Xiaoyun LIN
Academic Journal of Second Military Medical University 2000;0(11):-
This paper is to study the clinical characteristics of Brugada syndrome (BrS) in Chinese by analyzing clinical and ECG data of BrS patients. Data were included by computerized and manual research, and was analyzed by 2 doctors alone. The data of repetition and of non-Chinese were rejected. Forty-nine BrS patients were included (45 males and 4 females). Main manifestations included sudden death in 29 and syncope in 27 patients. Malignant ventricular arrhythmia (MVA) occurred in 14 of 17 patients with family history of sudden death or syncope and in 15 out of 32 ones without family history. Occurrence of MVA in 11 of 14 patients was within the period from 7pm to 7am. ECG revealed that sloped ST segment elevation appeared mainly in V1, V2 leads and coved ST segment elevation appeared mainly in V3 lead. BrS is not rare in Chinese people,and its clinical characteristics is similar to that overseas data.
6.The value of nodal metastatic characteristics in predicting the distant metastasis of papillary thyroid carcinoma
Youzhi ZHU ; Hongkun GUO ; Ling CHEN ; Zongcai WANG ; Lingjun KONG ; Wei LIN ; Caiqin MO ; Xiangjin CHEN
Chinese Journal of General Surgery 2018;33(4):288-292
Objective To explore the clinical value of nodal metastatic characteristics in predicting the distant metastasis of papillary thyroid carcinoma (PTC).Methods A total of 1 408 PTC patients who met the inclusion criteria and received initial thyroidectomy at our department from January 2006 to December 2011 were enrolled in this study.Results After a median follow-up time of 7.8 years,distant metastases developed in 46 patients.Patients with lateral neck lymph node metastasis ≥7,individual size of lateral neck lymph node metastasis ≥ 1.15 cm and the total number of cervical lymph node metastasis ≥9 were prone to higher risk of distant metastasis;the high risk group had a lower 10-year distant metastasisfree survival (78.7% vs.98%,x2 =122.941,P <0.01) and a shorter distant metastasis-free survival time (99.2 M vs.122.5 M,x2 =122.941,P < 0.01).Conclusions Lateral lymph node metastasis is an independent risk factor for distant metastasis in PTC patients.
7.Discussion on the cultivation of scientific research ability of academic postgraduate students majoring in clinical laboratory diagnostics from the perspective of 4M1E method
Hongkun WU ; Qihong WANG ; Chang LIU ; Lin ZHOU
Chinese Journal of Medical Education Research 2023;22(1):26-29
In the current scientific research training of the academic postgraduate students majoring in clinical laboratory diagnostics, there are many problems including insufficient scientific research level, poor scientific research environment and so on. Based on many years of experience on cultivating postgraduate students and starting from the five factors of 4M1E (man, machine, material, method and environment) method, a scientific strategy is proposed, and then the scientific research ability and level of academic postgraduate students majoring in clinical laboratory diagnostics could be improved by exerting its own self-motivation, strengthening the guidance of tutors, improving training tools, heightening scientific thinking, and enhancing environmental friendliness of scientific research.
8.Oral multidisciplinary considerations for clinical strategies of endodontic microsurgery
LIN Zhengmei ; HE Yingcong ; HUANG Shuheng ; HUANG Qiting ; ZHANG Xinfang ; LIN Hongkun
Journal of Prevention and Treatment for Stomatological Diseases 2022;30(10):685-691
Endodontic microsurgery is a vital treatment modality for teeth with persistent periradicular pathoses that have not responded to nonsurgical retreatment. The principle is to determine the reason for failure, completely eliminate the infection and promote periapical healing. Within recent years, endodontic microsurgery has evolved to become standardized and presents with a high success rate. However, its outcome is still influenced by many factors, including anatomy, periodontal condition, crown-to-root ratio, occlusion, the type of periradicular lesion, and prosthesis. Moreover, endodontists always concentrate on “the apex”, paying little attention to the general preoperative evaluation, accurate diagnosis, and comprehensive treatment plan. This article reviews the latest literature on these issues and the clinical experience of our research group and discusses the correlation between endodontic microsurgery and other oral disciplines, including periodontology, prosthodontics, oral implantology, oral and maxillofacial surgery and orthodontics. The oral interdisciplinary assessment should be made with comprehensive consideration of the root canal system, periradicular lesion, adjacent anatomical relationships, periodontal condition, occlusion, and esthetic rehabilitation. Based on these findings, the continuity of treatment will be optimized, and the best treatment plan will be proposed to provide clinical strategies for the diagnosis and treatment of complex periradicular diseases.
9.Content Determination and Principle Components Analysis of 4 Kinds of Flavones in Scutellaria barbata Decoction Pieces by HPLC
Yunling XIA ; Zhenling ZHANG ; Hongkun ZHANG ; Qinxian LIN ; Weilong LIANG ; Li LU
China Pharmacy 2019;30(20):2839-2844
OBJECTIVE: To establish the method for simultaneous determination of 4 kinds of flavones such as sutellarin, sutellarein, luteolin and apigenin in Scutellaria barbata decoction pieces, and to conduct principle component analysis. METHODS: HPLC method was adopted. The determination was performed on Agilent ZOXDB-C18 column with mobile phase consisted of methanol-acetonitrile (80 ∶ 20,V/V)-1% acetic acid solution (gradient elution) at the flow rate of 1.0 mL/min. The detection wavelength was set at 335 nm, and column temperature was 30 ℃. The sample size was 10 μL. Principal component analysis was carried out by SPSS 20.0 and SIMCA-P 13.0 software. RESULTS: The linear ranges of sutellarin, sutellarein, luteolin and apigenin were 0.131-1.446 μg(r=0.999 0), 0.031-0.345 μg(r=0.999 7), 0.005-0.055 μg(r=0.999 2), 0.024-0.268 μg(r=0.999 2), respectively. The limits of quantitation were 1.178 8, 0.602 9, 0.744 1, 1.079 1 ng; the limits of detection were 0.353 6, 0.106 1, 0.223 2, 0.323 7 ng;RSDs of precision, stability and reproducibility tests were all lower than 2%. The recoveries were 99.38%-100.56%(RSD=0.44%,n=6), 91.01%-96.81%(RSD=2.43%, n=6), 91.44%-97.34%(RSD=2.59%, n=6), 96.21%- 99.26%(RSD=1.23%,n=6), respectively. By principal component analysis, principal component 1 and prinicipal component 2 were main influential factors of sample, quality accumulative variance contribution rate of them was 92.573%(>80%). The comprehensive score of sample S14-3 was the highest, and the overall quality was relatively good; samples S14-2, S14-3 were the second. These 3 batches of sample were processed and produced in S. barbata planting base with stable quality. CONCLUSIONS: Established method is simple and rapid, and can be used for simultaneous determination of 4 kinds of flavones in S. barbata decoction pieces. Principle component analysis can provide reference for the quality control of S. barbata decoction pieces.