1.Research progress of low energy laser irradiation in hyperlipidemia treatment
Haichen WANG ; Weichao LIU ; Hong WANG ; Hong SHA
International Journal of Biomedical Engineering 2017;40(1):53-57
Hyperlipidemia is one of the most important risk factors of human atherosclerosis and cardiaccerebral vascular disease.The number of hyperlipidemia in China increased year by year and showed a younger trend.The current treatments for hyperlipidemia include drug therapy,physical exercise,diet prevention,liposuction surgery and low-energy laser therapy,etc.Many researches showed that low intensity laser irradiation has a certain curative effect on hyperlipidemia.The aim of this paper is to provide a new idea and method for the future treatment of dyslipidemia by reviewing the anti-hyperlipidemia methods and mechanism of low energy laser irradiation treatment.
2.Evaluation of PTW Seven29 combining Octavius phantom for tomotherapy patient-specific quality assurance
Fuli ZHANG ; Yadi WANG ; Qingzhi LIU ; Weichao ZHANG ; Ping WANG
Chinese Journal of Radiation Oncology 2014;23(5):422-425
Objective To investigate the feasibility of dose verification of helical tomotherapy (HT) using the PTW Seven29 2D-ARRAY with Octavius phantom.Methods The 12 patients HT plan were verified with the PTW Seven29 2D-ARRAY combining Octavius phantom.The detector array was guided and registered by MVCT imaging,and measured dose distributions on the corresponding planes were compared with those calculated by the treatment planning system (TPS).Based on several different Gamma criteria,the Gamma analysis method was utilized to evaluate the dose verification.Results According to the different acceptance criteria combination of dose difference/distance to agreement at different threshold level including 3%/2 mm,3%/3 mm,3%/4 mm,3%/5 mm at TH5,TH10,TH20,TH30,the mean passing rates with γparameter ≤ 1 were all above 91.7% and 93.9% when PTW Seven29 2D-ARRAY was horizontal and vertical.The dose distribution measured by the 2D-ARRAY combining Octavius phantom was well consistent with that calculated by the TPS.Conclusions 2D-ARRAY with Octavius phantom can get satisfying results when used in HT plan dose verification and is a viable tool to replace traditional film dosimetry system in clinical quality assurance work.
3.Effect of amygdalin on end-plate chondrocytes apoptosis induced by IL-1βderived from rat intervertebral discs
Weichao ZHENG ; Kai NIU ; Yongjian ZHAO ; Lei ZHANG ; Yongjun WANG
Chinese Pharmacological Bulletin 2014;(12):1734-1738,1739
Aim To observe the anti-apoptotic effect of different concentrations of amygdalin on the endplate chondrocytes induced by IL-1 βderived from rat inter-vertebral discs and explore the possible mechanism fur-ther.Methods Chondrocytes were obtained from endplate of one-month SD rat intervertebral discs and cultured primary chondrocytes.After identifying,they were divided into normal group,induced group and A-mygdalin 1 0 -2 mol·L -1 ,1 0 -3 mol·L -1 ,1 0 -4 mol· L -1 ,1 0 -5 mol · L -1 administration group.Then the apoptosis was detected by flow cytometry (FCM).Re-al-Time PCR was adopted to detect the mRNA expres-sion of Bax and Bcl-2.The protein expression of Bax and Bcl-2 was detected by Western blot.Results The apoptosis of the endplate chondrocytes induced by IL-1 βderived from rat intervertebral discs could be inhib-ited by amygdalin with different concentrations.Amyg-dalin could reduce the apoptotic rate analysed by FCM,down-regulate the Bax mRNA expression of Bax and up-regulate the Bcl-2 mRNA assayed by RT-PCR;compared with the induced group the differences were statistically significant (P <0.05).Besides,observa-tion of the protein expression of Bax and Bcl-2 by Western blot found that amygdalin 1 0 -4 mol · L -1 could inhibit the effect of IL-1 β,which could increase the protein expression of Bax and reduce the protein expression of Bcl-2.Conclusion Amygdalin has an effect on anti-apoptosis of the end-plate chondrocytes induced by IL-1 βderived from rat intervertebral discs and improve the degeneration of intervertebral discs.
4.Effects of different operations on respiratory function after colon replacement in esophageal cancer
Yong LI ; Hongbing MA ; Pei WANG ; Weichao LIU ; Gongfan SHI
Clinical Medicine of China 2010;26(1):64-66
Objective To explore the effects of different operations on respiratory function after colon replacement for esophageal cancer.Methods Fourty patients with esophageal cancer underwent esophagectomy from May 2004 to June 2008,were retrospectively analyzed.The site of esophageal anastomosis was at neck after sternum in 20 cages.at neck through esophageal bed in other 20 cages.Blood gas analysis and pulmonary fuction were monitored in these patients before operation and in 14 days after operation.Results VC% were (42.17±10.15)%、(49.52±9.56)%、(55.67±10.73)%、(60.27±10.52)%in patients after sternum and(37.65±9.52)%、(40.72±10.12)%、(47.02±10.65)%、(52.89±10.82)%in patients through esophageal bed in 5th、7th、10th、14th postoperative day with sigllificant statistical difference;FEV_1% were(60.55±16.71)%、(67.12±16.90)%in patients after sternum and(45.23±16.26)%、(50.52±16.72)%in patients through esophageal bed in 10th、14th postoperative day with significant statistical difference;PaO_2 were(17.56±7.32)mm Hg、(19.67±6.08)mm Hg、(17.17±4.85)mm Hg、(15.43±5.02)mm Hg、(11.32±3.79)mm Hg、(9.67±2.87)mm Hg、(6.98±3.26)mm Hg in patients after sternum and(20.17±7.04)mm Hg、(22.83±6.75)mm Hg、(20.67±4.31)mm Hg、(18.32±4.85)mm Hg、(16.02±3.71)mm Hg、(13.44±2.56)mm Hg、(9.01±3.17)mm Hg in patients through esophageal bed in 1st,2nd,3rd,5th,7th,10th,14th postoperative day with significant statistical difference. Conclusions After esophagectomy,esophageal anastomosis through esophageal bed has significant negative effect on respiratory function.
5.Association analysis of Fc?RⅠ? gene with allergic asthma in Chinese
Tianpen CUI ; Weichao JIANG ; Lin WANG ; Jungang XIE ; Jianmin WU
Chinese Journal of Pathophysiology 2000;0(11):-
AIM: To investigate the linkage between the polymorphism of -109 and Glu237 in the high-affinity IgE receptor?(Fc?RⅠ?) gene and susceptibilty of allergic asthma in adults in a Chinese population. METHODS: Allergic asthma sample in adult and age-and sex-matched control were studied. A-109C/T and a coding variant Glu237Gly in Fc?RⅠ? were detected with polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). RESULTS: (1)The genotype frequencies were 0.415 for -109T/T, 0.491 for-109T/C and 0.094 for -109C/C in allergic asthma in adults. No significant difference in the distribution of-109C/T polymorphism was found between allergic asthma adult subjects and healthy control subjects. However, a homozygosity for the-109T allele was associated with increased total plasma IgE levels in subjects with allergic asthma (F=7.213, P
6.Analysis of the basic condition of 123 patients on methadone mainterance treatment
Chengwen TAN ; Shimei WANG ; Liangshuang YIN ; Weichao TANG ; Xiaolei GUO
Chinese Journal of Primary Medicine and Pharmacy 2012;(8):1158-1159
ObjectiveTo observe the dose of methadone and the compliance of patients to the methadone maintenance treatment(MMT).MethodsWe analyzed the status of 69 patients who were addicted to opiate medication and 44 patients who dropped out in our clinic until July 31,2010.ResultsThere was no significant relationship between patients' urine test and the dose.Crime caused the patients who dropped out.The percentage of positive urine did not decline as the dose increased,but the rate of patients who dropped and the number of positive urine test showed a significant correlation( r =0.523 P =0.000).Crime was the main reason that affected the compliance to MMT and caused dropping out.ConclusionThe use of MMT dose should be individualized.
7.Expression of tear fluid IL-6 in patients with diabetic retinopathy at different phase and its relationship with blood HbA1c in Shijiazhuang urban communities′ elderly people
Weichao WANG ; Jie ZHANG ; Hong WANG ; Subo LIU ; Xin WANG ; Tao WU ; Yi LIANG ; Qiaohua REN
The Journal of Practical Medicine 2015;(18):3084-3087
Objective To investigate the relationship between HbA1c in blood and IL-6 in tear fluid of the elderly patients with diabetic retinopathy ( DR ) in Shijiazhuang urban communities , and the relationship between IL-6 in tear fluid and the severity of DR. Methods The elderly people who lived more than 5 years , older than ≥45 year old. in nine urban communities of Shijiazhuang were stratified randomly sampled and received cross-sectional epidemiology questionnaire survey and OGTT. A total of 1 447 subjects (509 males and 938 females) were included. Each participant underwent epidemiological surveys and oral glucose tolerance test (OGTT), according to the 1999 WHO diabetes mellitus (DM) diagnostic criteria established. For patients who were newly or previously diagnosed as DM. HbA1c level, tear fluid IL-6 and serum IL-6 tested.The severity of DR was evaluated by fundus examination, the people were divided into normal group(NGT), non-diabetic retinopathy ( NDR ) , non-proliferative diabetic retinopathy ( NPDR ) , and proliferative diabetic retinopathy ( PDR ) . The correlation of serum IL-6 and tear fluid IL-6,blood HbA1c and tear fluid IL-6 were assessed by SPSS 19.0 statistical software. Results Concentrations of tear fluid IL-6 were (3.10 ± 1.25)pg/mL in the NGT group, (10.25 ± 3.22)pg/mL in the NDR group,(16.80 ± 5.76)pg/mL in the NPDR group,(25.11 ± 5.20)pg/mL in the PDR group(P < 0.01). SNK-q test revealed significant differences between every two groups (P < 0.01,P <0.05,P < 0.05) Concentrations of serum IL-6 were (88.04 ± 17.06)pg/mL in the NGT group,(126.38 ± 20.73) pg/mL in the NDR group, (239.83 ± 40.33)pg/mL in the NPDR group, (268.36 ± 27.72)pg/mL in the PDR group(P < 0.01). SNK-q test revealed significant differences between every two groups (P < 0.01). Tear fluid IL-6 level was positively correlated with serum IL-6 level(R = 0.756,P < 0.01). Tear fluid IL-6 level was positively correlated with blood IL-6 level (R = 0.338, P < 0.01). Conclusion The tear fluid IL-6 levels of the elderly patients with DM in Shijiazhuang urban communities , increased; with the increased severity of DR , the levels of tear fluid IL-6 gradually increase. The level of tear fluid IL-6, serum IL-6, HbA1c closely correlates with the severity of DR.
8.Endovascular embolization treatment for the spinal dural arteriovenous fistulae
Lingling XIE ; Chengjian SUN ; Yanhua WANG ; Chengen WANG ; Tonghui LIU ; Weichao REN
Journal of Interventional Radiology 2015;(3):185-187
Objective To investigate the clinical effect of endovascular embolization in treating spinal dural arteriovenous fistulae, and to discuss its imaging manifestations. Methods A total of 7 patients with spinal dural arteriovenous fistulae were included in this study. Endovascular embolization was carried out in all the 7 patients. The clinical data, including epidemiology, spinal MRI and DSA manifestations, therapeutic method and follow-up findings, were retrospectively analyzed. Results Abnormal MRI manifestations of spinal cord were demonstrated in all 7 patients. After the diagnosis was confirmed by DSA, endovascular embolization was carried out. All patients were followed up for 6 months, and their clinical symptoms were improved in different degrees. N-butyl cyanoacrylate (NBCA) glue was used as embolization agent in 4 cases, and no recurrence was observed in them. Onyx liquid glue was used in 3 patients, and in one of them the arteriovenous fistula recurred. Conclusion For the treatment of spinal dural arteriovenous fistulae, endovascular embolization is effective and safe although further investigation is still needed.
9.Embolotherapy with Onyx for ma xillofacia l arteriovenous malformations
Weichao REN ; Chengjian SUN ; Yanhua WANG ; Tonghui LIU ; Lingling XIE ; Cheng'en WANG
Chinese Archives of Otolaryngology-Head and Neck Surgery 2016;23(1):19-22
OBJECTIVE To discuss the efficacy and safety of Onyx embolization for the treatment of maxillofacial arteriovenous malformation(mAVMs). METHODS Between February 2013 to May 2014, 16 patients with mAVMs received embolotherapy in our department. Eight cases' mAVMs located in mandibular region, 5 cases located in the maxillary region and the other 3 cases located near the orbital region. Embolotherapy with Onyx was carried out in all patients and all the patients were followed-up. The effect of embolization was evaluated according to the deformity arteriolar blood flow. RESULTS After the embolization, angiograpy showed that complete occlusion of mAVMs was achieved in 3 cases, 50%-90%occlusion in 10 cases, <50% occlusion in 3 cases, and the overall response rate was 81.25% (13/16). After operation, temporary decreased vision was obtained in one patient and recovered after 20 days, no permanent visual abnormality was found in all of the cases. Complications as distending pain, fever disappeared in 13 patients, improved in 2 patients and became worse in one patient. There was no case of skin necrosis occurred. Follow-up for 6 months after treatment, the deformity arteriolar blood flow larger than before was found in 2 cases and the others were stable. CONCLUSION Onyx embolization for the treatment of maxillofacial arteriovenous malformation is a safe and effective method, the short term curative effect has been confirmed while the long term curative effect should be further evaluated.