2.Testing of full-field digital mammography
Qiang CHEN ; Ping NI ; Hua CAI
Chinese Medical Equipment Journal 2015;36(5):92-94
Objective To test the key indexes of full-field digital mammography to keep it in good condition.Methods The testing was carried out based on clinical experiences and GBZ 186—2007 Mammography Quality Control Testing Specification.Results The testing items and indexes were proposed to facilitate the staff to check and operate the machine.Conclusion Clinical safety of full-field digital mammography and image quality are both enhanced greatly.
3.Diagnosis and Treatment of the Severe Complications After Endoscopic Sphincterotomy
Jie NI ; Guanghua FENG ; Yang CAI
Journal of Medical Research 2006;0(04):-
Objective To investigate and analyze the severe complications and their surgical managements after endoscopic sphincterotomy(EST).Method 36 patients with complications after EST such as severe hemorrhage, perforation and severe pancreatitis were analyzed,of them there were 16 cases of hemorrhage, 11 case of perforation, 6 cases of hemorrhage combined with perforation and 3 cases of severe pancreatitis combined with perforation. Results 14 cases of merely hemorrhage patients, 11 cases of merely perforation patients, 1 case of perforation combined with severe pancreatitis patient and 3 case of perforation combined with hemorrhage patient were survived while 2 case of merely hemorrhage patient, 3 cases of perforation combined with hemorrhage patients and 2 case of perforation combined with severe pancreatitis patients died.Conclusions Hemorrhage is the most common complication of EST and most complications can be healed well through expectant treatment. Once severe complications occurred, prompt operations are the keys to lower the mortality.
4.One port laparoscopic high ligation for indirect inguinal hernia in children
Yuxiang LIU ; Yuanfeng NI ; Zhongbing CAI
Chinese Journal of Minimally Invasive Surgery 2001;0(02):-
Objective To study a novel method of laparoscopic treatment for indirect inguinal hernia in children. Methods Forty-eight children with indirect inguinal hernia (right: 31 cases, left: 13 cases, bilateral: 4 cases) were treated by one port laparoscopic surgery. Among those with unilateral hernia, contralateral latent hernia was found in 5 children. All the patients underwent high ligation of internal annulus under laparoscope. Results The duration of operation was 7~14 min (mean, 9 min). The mean postoperative hospital stay was 24 h. Skin sutures were not required. Follow-up for 3~15 months (mean, 9 5 months) revealed no recurrence. Conclusions One port laparoscopic high ligation of internal annulus is effective, minimally invasive and simple.
6.The risk analysis of acute renal insufficiency in perioperative of non-small cell lung cancer
Xin LI ; Yixin CAI ; Ni ZHANG ; Xiangning FU
Chinese Journal of Thoracic and Cardiovascular Surgery 2015;31(9):549-552
Objective To discover the risk factors of acute renal insufficiency(ARI) in perioperative of non-small cell lung cancer(NSCLC).Methods We took a retrospective study to analysis and summarize the clinical features of 33 ARI cases and 721 controls,all subjects were histopathologically confirmed NSCLC from January 2007 to October 2013.Logistic regression analysis was conducted to analyze the association between the risk factors and ARI.Results There were significant differences between the two groups in operation age,level of preoperative creatinine,preoperative rehydration and the use of plasma substitutes.After adjustment by confounding factors,operation age older than 60 years old and the use of plasma substitutes had higher risk of ARI [adjusted OR was 2.93 (1.30-6.62),95 % CI was 6.04 (1.41-25.87),respectively].Preoperative rehydration was protective factor of ARI(adjusted OR was 0.37,95% CI was 0.17-0.83).Conclusion Operation age (≥ 60 years old) and the use of blood substitutes are independent risk factors of ARI,while preoperative rehydration can reduce the incidence of ARI after surgery.
7.3 103 cases of leucorrhea routine tests for pregnant women and analysis
Xuemei NI ; Shuying ZHU ; Di CAI ; Qiaoying ZHU ; Ning LI
International Journal of Laboratory Medicine 2015;(3):315-316
Objective To investigate the difference of leucorrhea routine tests results among 3 periods of pregnancy in pregnant women.Methods Vaginal cleanliness,the presence of clue cells,trichomonas and fungi were tested for 3 103 obstetric outpatients who were pregnant and treated in the hospital.The test results were analyzed and compared.Results Among pregnant women in different periods of pregnancy,the difference in the proportion of vaginal cleanliness degree Ⅲ and fungal infection rates were statis-tically significant(P <0.05).Among pregnant women of different pregnant periods with vaginal cleanliness degree Ⅱ,difference of fungi infection rate was statistically significant(P <0.05).Among pregnant women of different pregnant periods with vaginal clean-liness degree Ⅳ,the difference of positive rates of fungi,trichomonas and clue cells were statistically significant(P <0.05).In addi-tion,there are a number of mixed infections.Conclusion Vaginitis during pregnancy should be early detected,diagnosed and trea-ted.
8.Issues on the automation and information of clinical laboratories
Qing WANG ; Jun WEI ; Yongmei CAI ; Qingmei SHI ; Lan NI
Chinese Journal of Medical Science Research Management 2012;25(4):269-271
This article describes the development,components and function of the laboratory automation system (LAS) and laboratory information system(LIS). And it also discusses the construction and application laboratory automation,and the operation of the automated laboratory information system.
9.Electrophysiological and pathological changes in animal model of chronic compressive cervical myelopathy
Zhiming CUI ; Bin NI ; Weihua CAI ; Lianshun JIA ; Lei YANG
Chinese Journal of Tissue Engineering Research 2005;9(6):225-227
BACKGROUND: Pathogenesis and pathophysiological changes of chronic compressive cervical myelopathy havenotbeen completely clarified.OBJECTIVE: To establish an animal model of experimental chronic compressive cervical myelopathy for the exploration of the pathological and electrophysiological changes after chronic spinal compression.DESIGN: A randomized and controlled observatory study using experimental animals as subjects.SETTING: An Animal Experimental Center of a University and an Orthopaedic Laboratory of Affiliated Hospital of a Military Medical University MATERIALS: The study was conducted in the Animal Experimental Center of Nantong Medical University and the Orthopaedic Laboratory of Shanghai Changzheng Hospital from June 2002 to April 2003. Sixty 12-week healthy Chinese rabbits of either gender with a bodymass between 2.5 kg and 3.0 kg were randomly divided into control group( n = 6) and study group( n = 54).METHODS: Titanic metal screw was put into C5 vertebra through cervical anterior approach for progressive compression to establish chronic cervical myelopathy model.MAIN OUTCOME MEASURES:Principal consequences: ①histological examination ;②electrophysiological examination. Secondary consequence:neural function evaluation.RESULTS: Totally 48 rabbits entered into result analysis, in which 6 rabbits from control group and 42 rabbits from study group. Modified Tarlov's motor function evaluation was 3 in 31 rabbits with compression signs, and 4 in 11rabbits without compression signs. The latency of N1 wave in cortical somatosensory evoked potentials (CSEP) was (9.11 ± 1.61 ), ( 11.36 ± 2.17)and (17.55 ± 3.73) ms respectively in animals of control group, animals of study group without compression signs and animals of study group with compression signs. The lantency of CSEP N1 wave was significantly longer in animals of study group with compression signs than that of the animals in the control group and study group without compression signs (P<0.05).CONCLUSION: This animal model can simulate clinical invasion process of chronic compressive cervical myelopathy. The severer the spinal compression is, the more often the compression signs appear, the longer the lantency of CSEP N1 wave is, and the more serious the spinal pathological damages are.
10.Studies of modifying effects of fullerene on ~(60)Co - γ irradiated zebrafish
Jin NI ; Zhigang DAN ; Fu GAO ; Ding SUN ; Jianming CAI
Chinese Journal of Radiological Medicine and Protection 2010;30(1):5-8
Objective To evaluate the modification of C_(60) on the radiation effects of ~(60)Co-γ irradiation on zebrafish.Methods The adult and embryonic zebrafish were used as model organisms to examine the potential of C_(60) to elicit oxidative stress responses on the surviving rate,hatching rate and malformation occurrence,both upon exposure to light or in the dark.Reactive oxygen species (ROS) production and DNA damage were examined as the possible underlying mechanism.Results 500 × 10~(-9) nano-C_(60) waterborne exposure could enhance the γ-irradiation effects by decreasing adult fish survival upon light exposure,which resulted in ROS and DNA damage increasing.The hatching rates were also inhibited with higher malformation,though dark exposure did not make any enhancement,except that the 5000× 10~(-9) C_(60) would inhibit larvae hatching and induced more malformation.Conclusions Waterborne nano-C_(60) exposure may enhance the radiation effects on zebrafish,ROS production and DNA damage increasing may be the underlying mechanism.