1.Evaluation of VCS technology in diagnosis for acute leukemia and its subtypes
Hong JIN ; Suwen YANG ; Chunlan JIN ; Zening DAI ; Haihong XU
Chinese Journal of Laboratory Medicine 2010;33(8):740-746
Objective To evaluate clinical application of VCS technology in diagnosis for acute leukemia and its subtypes by LH750 automated hematology analyzer. Methods A total of 178 leukemia patients (105 acute granilocytic leukemia, 42 acute lymphocytic leukemia, 31 acute monecytic leukemia)and 151 non-leukemia patients (86 granulocytic abnormal cases, 35 lymphocytic abnormal cases,30 monocytic abnormal cases) were enrolled into this study. Peripheral blood samples were analyzed by both Coulter LH750 automated hematology analyzer and manual microscopic examination. Microscopic examination was used as reference to evaluate the diagnosis value of VCS technology in blast detecting. VCS parameters were compared for AGL subsets. The clinical value of VCS technology in diagnosis for different acute leukemia was also evaluated by combining VCS scattergram and suspect flags provided by LH750. Results Compared with manual examination, a sensitivity of 95.5% (170/178) and specificity of 95.4% (144/151) were achieved by VCS technology in detecting blasts in acute leukemia and nonleukemia patients. In patients with AGL, the MNV, MNV-SD, MNC and MNC-SD (224.40 ± 23.37,37.40 ±12. 31,145. 80 ±7. 93,24. 79 ±5. 18) were higher than granulocytic abnormal patients( 169.96 ±11.50,29.21 ± 5.27,133.30 ± 5.50, 10.62 ± 4.09) and the differences were statistically significant ( t values were 16. 832, 5. 148, 5. 735, 19. 953 respectively, P < 0. 01 ). On the contrary, MNS ( 122. 90 ±6. 35) in AGL patients was significantly lower than granulocytic abnormal patients( 131.00 ± 5. 69, t =-7.64, P<0.01). In patients with ALL, the MLV, MLV-SD, MLC, MLS, MLS-SD (97.60 ± 13.40,22. 35 ± 7.94,110. 00 ± 4. 60,77. 60 ± 19.00,20. 61 ± 3.30 ) were higher than lymphocytic abnormal patients(82. 10 ± 3.00, 14.41 ±2.35, 100.60 ±2.70, 48. 10 ±3.50, 17.60 ± 1.60). The data also showed a statistical significance (t values were 7.576, 6. 118, 4. 041, 9. 353, 2. 988 respectively, P <0.05). In patients with AMOL, the MMV, MMV-SD, MMC, MMC-SD, MMS(197. 30 ±20.50,30.47 ±6.58,123.20 ± 10. 10,6.57 ± 1.57,98.00 ± 5.60) were significantly higher than monocytic abnormal patients( 167.80 ± 15.77,21.90 ± 9. 64,113.60 ± 6. 73,5.20 ± 3. 21,84. 20 ± 14. 35 ) and the differences were statistically significant (t values were 6. 332, 4. 033, 4. 650, 2. 993, 6. 273 respectively , P <0. 01 ).The differences of MNV, MNV-SD, MNC, MNC-SD, MNS-SD for different AGL subtypes were statistically significant ( F values were 21.2, 169. 5, 13.6, 3. 6 and 98.6 respectively, P <0. 01 ). For AGL, ALL and AMOL, the ratios of normal blast distribution in scattergram were 81% (85/105), 74% (31/42) ,and 74% (23/31). Conclusions The VCS parameters can reflect the changes of peripheral white blood cell morphology sensitively. VCS technology can diagnose acute leukemia and its subtypes efficieutly.
2.Liposuction-curettage under negative pressure combined with Xiaozhiling injection for the treatment of axillary bromhidrosis
Yang SUN ; Jianhong LONG ; Xinghua YANG ; Muzhang XIAO ; Shaorong LEI ; Pengju FAN ; Zening XIAO
Chinese Journal of Dermatology 2013;46(7):509-510
Objective To evaluate the efficacy of liposuction-curettage under negative pressure combined with Xiaozhiling injection for the treatment of axillary bromhidrosis.Methods The operative field was marked along the border of hair-bearing area of axilla with a distal margin of 0.5-1 cm.Subcutaneous tissue was removed by stroke movement under negative pressure after tumescent anesthesia.Subsequently,Xiaozhiling injection was injected into the subcutaneous space.All the patients were followed for at least 3 months,and therapeutic efficacy was evaluated quantitatively.Results A total of 72 patients (144 sides) with axillary bromhidrosis were treated with this method from March 2009 to May 2012,including 16 males and 56 females aged 14-41 years.All the patients experienced primary healing with no necrosis or hematoma formation within one week after the operation.The follow-up lasted 3 to 18 months (average: 8 months).Among the 144 sides,133 (92.4%) were cured,11 (7.6%) were improved,with the response rate being 100%.Postoperative scar is invisible,and patients were satisfied with the treatment outcomes.Conclusion The combined therapy is a simple and effective approach to the treatment of axillary bromhidrosis with a fast recovery and less complications.
3.The influence of attenuated plaque on perioperative period of percutaneous coronary intervention in patients with acute myocardial infarction
Hong LI ; Zening JIN ; Duo YANG ; Xiang LI ; Huagang ZHU ; Ruofei JIA ; Shuai MENG
Journal of Interventional Radiology 2015;(10):849-852
Objective To detect attenuated plaque by using intravascular ultrasound (IVUS) in patients with acute myocardial infarction (AMI) and to investigate the influence of attenuated plaque on perioperative period of percutaneous coronary intervention (PCI). Methods Coronary angiography and IVUS were performed in 85 hospitalized patients with AMI, additional implantation of stent was employed when necessary. According to the presence or absence of attenuated plaque determined by IVUS, the patients were divided into attenuated plaque group(n=35) and non-attenuated plaque group(n=50). The perioperative IVUS findings, the blood flow classification after myocardial infarction thrombolysis (TIMI) and the postoperative peak value of creatine kinase MB (CK-MB) determined were compared between the two groups. Results Among the 85 AMI patients, attenuated plaque was detected in 35 (41.2%) and no attenuated plaque was found in 50(58.8%). No statistically significant differences in the age, sex and risk factors existed between the two groups (P>0.05). The proportion of having attenuated plaque in patients with ST segment elevation myocardial infarction (STEMI) was obviously higher than that in patients with non-STEMI (P<0.01). In performing coronary angiography, the difference in TIMI blood flow classification between the two groups was not statistically significant (P>0.05), but after balloon dilatation the TIMI grade 0-2 in theattenuated plaque group was strikingly higher than that in the non-attenuated plaque group (P=0.003). After PCI, the proportion of patients with elevated CK-MB value and higher peak value in the attenuated plaque group was remarkably higher than those in the non-attenuated plaque group (P<0.01). Conclusion The results of this study indicate that attenuated plaque can increase the incidence of no-reflow and slow reflow after PCI, which is more often seen in STEMI patients. The attenuated plaque carries significantly high risk, and the presence of attenuated plaque is helpful in predicting, the elevated extent of CK-MB value after PCI.
4.Outcome of patients with acute coronary syndromes treated with FFR-guided versus CAG-guided strategy
Huifen SONG ; Hong LI ; Xiang LI ; Duo YANG ; Jing HAN ; Ruofei JIA ; Shuai MENG ; Zening JIN
Chinese Journal of Interventional Cardiology 2016;24(4):186-190
Objective To depermine oupcome of papienps wiph non-ST elevapion acupe coronart stndromes (NSTEACS) preaped wiph FFR-guided versus CAG-guided sprapegt. Methods From Jult 1. 2014 po Jult 30. 2015 in Beijing Anzhen Hospipal, papienps admipped for NSTEACS were reprospecpivelt analtsed wiph a 10-monph follow-up. 142 cases on CAG were furpher assessed wiph FFR ( phe FFR group). Papienps were mapched as 1 : 2 wiph NSTEACS who had moderape lesions shown on CAG in phe same period were enrolled (CAG group, n = 284). End poinps were deaph, nonfapal mtocardial infarcpion (MI), pargep vessel revascularizapion ( TVR), and procedure cosps. Major adverse cardiac evenps ( MACE) were defined as deaph, nonfapal MI, and TVR. Results Fifpt-pwo papienps (36. 6% ) in phe FFR group had FFR less phan 0. 80 underwenp percupaneous coronart inpervenpion (PCI) while 133 papienps (46. 8% ) in phe CAG group received PCI (P =0. 037). Papienps preaped wiph FFR-guided sprapegt had significanplt lower rape of nonfapal MI (2. 2% vs. 4. 5% , P =0. 040) and TVR (5. 9% vs. 11. 7% , P = 0. 046). No spapispical difference was observed in morpalipt (0. 7% vs. 1. 1% , P = 0. 682) and MACE (8. 8% vs. 14. 4% , P = 0. 085). Topal financial cosp was less in phe FFR group (P = 0. 033). Conclusions FFR-guided sprapegt for papienps wiph NSTEACS resulps in less rape of PCI,lower cosp and bepper clinical oupcomes when compared wiph an angio-guided sprapegt.
5.Effects of collateral circulation on ventricular function of patients with ST-segment-elevation ;myocardial infarction treated with primary coronary intervention
Huagang ZHU ; Ruofei JIA ; Shuai MENG ; Xiang LI ; Duo YANG ; Zening JIN
Chinese Journal of Interventional Cardiology 2014;(3):149-152
Objective To determine whether the presence of coronary collateral lfow, as evidenced by angiography, has a beneifcial effect on left ventricular function in ST-segment-elevation myocardial infarction (STEMI) treated by means of early percutaneous coronary intervention (PCI). Methods Between April 2012 to November 2013, 95 patients with STEMI treated with primary PCI successfully were analyzed. According to the Rentrop grade, these patients were divided into 2 groups:collateral circulation group (n=16) and non-collateral circulation group (n=79). The left ventricular function was evaluated within 24 hours after PCI and 30 days later. Results Comparison of 2 groups showed that collateral lfow was associated with better left ventricular ejection fraction within 24 hours and 30 days after PCI. And non-collateral lfwa was associated with more ventricular aneurysm formation. Conclusions The presence of angiographically detectable collaterals has a protective effect on left ventricular function in ST-segment-elevation myocardial infarction (STEMI) treated by primary PCI.
6.Enterovirus D68 protease 2A affects anti-viral interferon type Ⅰ pathway
Huiwen ZHENG ; Zhiyao YANG ; Zening YANG ; Jie SONG ; Xing HUANG ; Nan LI ; Lisha DING ; Heng LI ; Hongzhe LI ; Lei GUO ; Manman CHU ; Haijing SHI ; Longding LIU
Chinese Journal of Microbiology and Immunology 2019;39(6):401-409
Objective To analyze how enterovirus D68 (EV-D68) protease 2A affects the anti-vi-ral interferon typeⅠ(IFN-Ⅰ) pathway in 293T cells following infection. Methods Western blot was used to detect the expression of recombinant protease 2A, IFN-α and signal transducers and activators of tran-scription 1 (STAT1) at protein level. Expression of EV-D68 viral protein (VP1) and protease 2A was ana-lyzed by immunofluorescence at different time points. Cytopathic effects were recorded to calculate 50% cell culture infective dose ( CCID50 ) . Expression of the genes involved in the anti-viral IFN-Ⅰ pathway was measured by real-time PCR (RT-PCR). Results The recombinant plasmid pCLIPf-2A was successfully constructed and the expression of recombinant protease 2A could be detected by Western blot 24 h after transfection. The recombinant protease 2A promoted the proliferation of EV-D68 at the late stage of infection and induced the production of IFN-α. Expression of the genes involved in the anti-viral IFN-Ⅰ pathway at mRNA level was up- or down-regulated to different degrees with various trends in different groups following infection. Expression of STAT1 was enhanced in all groups. Conclusions EV-D68 protease 2A promoted the activation of anti-viral IFN-Ⅰpathway in response to viral infection and enhanced the proliferation of virus at the late stage of infection.
7.Efficacy and safety of rapamycin in treatment of children with epilepsy complicated with tuberous sclerosis.
Liping ZOU ; Yujie LIU ; Lingyu PANG ; Jun JU ; Zening SHI ; Junsi ZHANG ; Xiaoqiao CHEN ; Xiaojun SU ; Linyan HU ; Xiuyu SHI ; Xiaofan YANG
Chinese Journal of Pediatrics 2014;52(11):812-816
OBJECTIVETo evaluate the therapeutic effect and safety of rapamycin in treatment of children with tuberous sclerosis complex (TSC) complicated with epilepsy.
METHODThis was an open-label, prospective, self-controlled study. From Sep. 2011 to Sep. 2013, 52 patients with the diagnosis of tuberous sclerosis complicated with epilepsy receiving rapamycin treatment for at least 24 weeks were enrolled.
RESULTOf the 52 children, 34 were male and 18 female. The median age at onset of epilepsy was 4.8 months (4 days-49 months), the median age for treatment with rapamycin was 27 months (4.5-172.5 months). Ten children had a family history of TSC. In 24 children TSC gene detection was carried out, among whom TSC1 mutation was detected in 4 cases and TSC2 mutation in 20. Before rapamycin therapy, 59.62%, (31/52) patients took more than 3 antiepileptic drugs, of whom 10 cases even took more than 5 kinds of antiepileptic drugs. Fifty-two patients received rapamycin treatment for 24 weeks, seizure free rate was 25.00% (13 cases), the total effective rate was 73.08% (38 cases); 31 cases received treatment for 48 weeks, seizure free 6 cases, total effective 23 cases; 17 cases accepted treatment for 72 weeks, seizure free 5 cases, total effective 13 cases; 12 cases received treatment for 96 weeks, seizure free 3 cases, total effective 9 cases. With the decrease of seizure attacks, use of antiepileptic drug types were reduced simultaneously, they had a negative correlation. Before rapamycin therapy, the average frequency of seizures was 70.27 times/d, the number of antiepileptic drug kinds was 1.30. After 24, 48, 72, 96 weeks' treatment, the average seizure frequency was reduced to 1.94-2.80 times /d and the antiepileptic drugs were reduced to 0.83-0.97 kinds. On every visit during the follow-up, blood and urine routine tests, liver and kidney function test showed no abnormality in the 52 cases. The drug dosage was 1 mg/(m(2)×d), average 0.7 mg/d (0.35-1.20 mg/d). Blood concentrations of rapamycin remained below 10 µg/L (average 6.5 µg/L). The main side effect was oral ulcer which happened in 23.08% (12/52). The oral ulcer would disappeared 2-3 days later. 17.31% (9/52 cases) had upper respiratory infection.
CONCLUSIONRapamycin was effective in children with tuberous sclerosis and epilepsy with few adverse reactions. The daily dose of rapamycin for children patients is 1 mg/m(2), which has a certain effect on seizures and a good safety profile.
Adolescent ; Anticonvulsants ; adverse effects ; therapeutic use ; Child ; Child, Preschool ; Epilepsy ; complications ; drug therapy ; Female ; Humans ; Infant ; Male ; Prospective Studies ; Seizures ; prevention & control ; Sirolimus ; adverse effects ; therapeutic use ; Treatment Outcome ; Tuberous Sclerosis ; complications ; genetics