1.Clinical analysis of ischemic ophthalmopathy after cataract phacoemulsification
Xiaojin ZHAO ; Xiangqi DING ; Lifeng QIAN
Recent Advances in Ophthalmology 2017;37(2):172-174
Objective To investigate the cause and treatment for ischemic ophthalmopathy after cataract phacoemulsification.Methods A total of 3000 patients with cataract underwent phacoemulsification were retrospectively analyzed,and 13 patients with ischemic ophthalmopathy.The ischemic optic neuropathy (ION) were in 8 cases,7 cases occurred in age related cataract,1 cases occurred in the dislocation of lens;The central retinal artery occlusion (CRAO) were occurred in 5 cases,1 cases of age-related cataract,2 cases of congenital cataract,2 cases of traumatic cataract.The patients were diagnosed with fundus,visual field and fundus fluorescein angiography respectively,and then were treated with dilation of blood vessels,nutrition nerves and symptomatic treatment.Results The visual acuity in 6 cases with ION after the treatment were improved in different degrees;The visual acuity in 2 cases with CRAO after treatment were improved,3 cases was not recovered.Conclusion Ischemic ophthalmopathy caused by phacoemulsification cataract surgery may be related to the main vascular disease or optic nerve ischemia and hypoxia during operation,and with early detection and treatment,visual acuity can be improved to some extent.
2.Effect of heat shock protein 27 on the cardiac dysfunction induced by endotoxemia
Li LIU ; Wenjun YOU ; Xiaoyan MIN ; Xiaojin ZHANG ; Bo QIAN ; Juncheng DAI ; Zhengnian DING ; Xiang GAO ; Yunlin CHENG
Chinese Journal of Emergency Medicine 2009;18(4):386-391
Objective To study the effects of heat shock proetin 27(Hsp27)on the cardiac dysfunction induced by endotoxemia.Method All experiments were performed in the geriatric lab of the First Affiliated Hospital Of Nanjing Medical University,and in the Animal Model Center of Nanjing University.The genotyping of the transgenic mice with cardiac-specific overexpression of Hsp27(Hsp27 Tg)was assayed by PCR and the expression of Hsp27 was determined by western blot.Hsp27 Tg and its wild type littermates(WT)were intraperitoneally injected with LPS(10 mg/kg),and 24 hours later,cardiac function was measured by echocardiography(n=6/group).The accumulated mice mortality was recorded within 70 hous after intraperitoneal injection of LPS(20mg/kg)(n=37/WT,n=27/Hsp27Tg).The NF-kB activity for cardiac-tissue samples was analyzed by electrophoretic mobility shift assay(ENSA)and for cell culture samples by dual-reporter gene assay(n=4/group).The comparison of multiple groups was performed by one-way analysis of variance(ANOVA),and comparison of two groups was performed by Scheffe-test.Survival curves were analyzed by the log-rank test.P<0.05 wns considered to be significant.Results The high expression of Hsp27 exhibited in myocardium of Hsp27 Tg,whereas not in myocardium of WT.LPS significantly reduced the cardiac function both in Hsp27 Tg and WT.However,compaled with LPS-treated WT,cardiac function was more significantly improved as evidenced by the increases of EF by 27.33%and FS by 37.09%(P<0.01 or P<0.05).Seventy hours after LPS injection,the mortality was 11.11% in Hsp27 Tg and 37.84% in WT.Compared with WT,the survival rate of Hsp27 Tg significantly increased(P<0.05).The NF-kB activation was significantly inhibited by Hsp27(P<0.01 or P<0.05).Conclusions The high cardiac-specific expression of Hsp27 significantly inhibits cardiac dysfunction induced by endotoxemia,and at the same time improve the survival rate.The mechanism may be connected with Hsp27 downregulating NF-kB-activation induced by LPS.
3.Study of the average FR of the MUAP's in a couple of agonist-antagonist muscles.
Xiang CHEN ; Jihai YANG ; Zhi LOU ; Zheng LIANG ; Xiaojin QIAN
Journal of Biomedical Engineering 2002;19(3):463-466
"Common Drive" is presented recently as a new concept used to explore the control mechanism of neuromuscular system. In this paper, the average firing rate (FR) of the motor unit action potential (MUAP) is estimated by means of decomposition technique for needle electromyographic (NEMG) signals obtained from elbow joint agonist-antagonist muscle pair with constant contraction force. The change tendency and correlation of the average FR with time are studied. The results of the experiment show that, no matter flexion or extension of the elbow joint, the average FR of both motor units(MUs) in the couple of agonist and antagonist descends with time, and the variations of their amplitude and fluctuation are highly correlated. This indicates that when two antagonist muscles are activated simultaneously to stiffen a joint, the nervous system views them as one unit and controls them in similar fashion. It also confirms the existence of "Common Drive" phenomenon at joint level.
Action Potentials
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physiology
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Electromyography
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Humans
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Motor Neurons
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physiology
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Muscle Contraction
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physiology
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Signal Processing, Computer-Assisted
4.Efficacy of different surgical methods in the treatment of papillary thyroid carcinoma of the isthmus and their effects on parathyroid function and thyroglobulin
Yun SUN ; Xiaojin FU ; Qian SA
Chinese Journal of Primary Medicine and Pharmacy 2022;29(3):383-386
Objective:To investigate the therapeutic effects of different surgical methods on papillary thyroid carcinoma of the isthmus (PTCI) and their effects on parathyroid function and thyroglobulin.Methods:Eighty patients with PTCI who underwent treatment in Zhejiang Xin'an International Hospital from January 2016 to January 2021 were included in this study. They were randomly allocated to undergo ipsilateral lobectomy with removal of the isthmus combined with ipsilateral central neck lymph node dissection (group A, n = 40) or total thyroidectomy combined with ipsilateral central neck lymph node dissection (group B, n = 40). We compared intraoperative and postoperative conditions, complications, and hypoparathyroidism between the two groups. We also compared serum thyroglobulin level measured before and 3 days after surgery between the two groups. Results:Operative time was significantly shorter in group A than in group B [(78.95 ± 13.52) minutes vs. (104.23 ± 27.38) minutes, t = -5.23, P < 0.05]. Intraoperative blood loss was significantly less in group A than in group B [(52.32 ± 6.59) mL vs. (75.41 ± 9.98) mL, t = -12.21, P < 0.05]. There were no significant differences in voice handicap index and reflux symptom index scores between the two groups (both P > 0.05). The incidence of complications was significantly lower in group A than in group B (10.00% vs. 30.00%, χ2 = 5.00, P < 0.05). The incidence of hypoparathyroidism was significantly lower in group A than in group B (7.50% vs. 27.50%, χ2 = 5.54, P < 0.05). At 3 days after surgery, serum thyroglobulin level was significantly lower in group A than in group B [(0.82 ± 0.17) μg/L vs. (1.26 ± 0.23) μg/L, t = -9.73, P < 0.05]. Conclusion:Ipsilateral lobectomy with removal of the isthmus combined with ipsilateral central neck lymph node dissection is more effective on PTCI than total thyroidectomy combined with ipsilateral central neck lymph node dissection. The former has little effect on parathyroid function and can reduce serum thyroglobulin level. The study is highly innovative and scientific.
5.Relationship between emotional intelligence and life satisfaction in military personnel:Multiple mediating effects of positive and negative affect
Haiyan CHEN ; Hongzheng LI ; Qian WANG ; Jinwen REN ; Anqi FANG ; Xiaojin ZHAO
Chinese Mental Health Journal 2018;32(2):155-159
Objective:To explore the multiple mediation effects of the positive and negative affect between emotional intelligence and life satisfaction in military personnel.Methods:Totally 967 male military personnel aged 17 to 34 years were investigated with the Schutte's Emotional Intelligence Scale (SSEIS),the Positive Affect and Negative Affect Scale (PANAS) and Life Satisfaction Index A (LSIA).The relationship among these variables was analyzed by using path analysis and Bootstrap test.Results:Totally 68.7% military personnel were satisfied with their lives.Path analysis showed that emotional intelligence had indirect effects on life satisfaction through the mediation effects of positive affect and negative affect (x2/df=8.88,GFI =0.98,AGFI =0.94,NFI =0.98,IFI =0.98,TLI =0.95,CFI =0.98,RMSEA =0.09).Bootstrap test showed that the mediational path through positive affect and negative affect with the effect size were 31.5% and 14.8%,and the total mediational effect size was 46.3%.Conclusion:It suggests that positive affect and negative affect may have mediating effects on the relationship between emotional intelligence and life satisfaction among military personnel.
6.Diagnosis and treatment of passenger lymphocyte syndrome following secondary ABO-incompatible allogeneic hematopoietic stem cell transplantation
Yingchun SHAO ; Shiyuan ZHOU ; Qian ZHU ; Guanggang DOU ; Xiao MA ; Xiaojin WU ; Chao MA
Chinese Journal of Blood Transfusion 2023;36(11):995-999
【Objective】 To investigate the clinical characteristics and diagnosis and treatment of passenger lymphocyte syndrome (PLS) in patients following allogeneic hematopoietic stem cell transplantation (allo-HSCT). 【Methods】 A total of 489 patients who underwent allo-HSCT in Suzhou Hongci Hematology Hospital were retrospectively enrolled. The clinical process, diagnosis and treatment measures and prognosis of four patients complicated with PLS after transplantation were analyzed. 【Results】 Among the 489 patients, 4 were diagnosed with PLS. The blood types of donor/recipient ABO were all secondary incompatible (The blood type of donors were O and the recipients were A or B). The overall incidence of PLS in allo-HSCT was 0.82%(4/489)and 2.2%(4/179)in transplants with donor/recipient secondary incompatible ABO-blood types. PLS occured in 6-13 days after donor stem cell infusion. Clinical manifestations were dizziness and fatigue, low back pain, jaundice, deepening urine, rapid decrease in hemoglobin on laboratory tests, elevated indirect bilirubin and lactate dehydrogenase, positive urobilinogen, positive direct anti-human globulin test (DAT), and anti-A or anti-B antibodies against recipient red blood cells were detected in plasma. After the treatment of O-type washed red blood cells, methylprednisolone, gamma globulin, rituximab and other treatments, the hemolysis was improved. All patients achieved engraftment of neutrophil and platelet. Red blood cell transfusion was halted in 3 weeks. 【Conclusion】 PLS is a rare complication of allo-HSCT, which mainly occurs in allo-HSCT patients with secondary incompatibility of ABO blood group of donor/recipient. The clinical prognosis is good after properly treatment.
7.Tislelizumab bridging to umbilical cord blood transplantation therapy for relapsed/refractory acute myeloid leukemia: report of 1 case and review of literature
Chenchen LIU ; Shiyuan ZHOU ; Qian ZHU ; Chao MA ; Xiao MA ; Depei WU ; Xiaojin WU
Journal of Leukemia & Lymphoma 2023;32(3):161-165
Objective:To explore the efficacy of tislelizumab combined with umbilical cord blood transplantation (UCBT) in relapsed/refractory acute myeloid leukemia (R/R AML) patients.Methods:The diagnosis and treatment of 1 patient with R/R AML who received tislelizumab bridging to UCBT after the failure of re-induction treatment in the First Affiliated Hospital of Soochow University in November 2021 was retrospectively analyzed.Results:The 59-year-old male patient with R/R AML achieved a complete remission after initial induction chemotherapy regimen of decitabine and venetoclax, and then additional consolidation therapy regimens of decitabine and middle-dose cytarabine, middle-dose cytarabine and idarubicin were performed. The patient relapsed 16 months later and failed to achieve a second remission after re-induction therapy regimens of cladribine, azacitidine, venetoclax combined with chemotherapy, and homoharringtonine, cytarabine combined with granulocyte colony-stimulating factor. Tislelizumab significantly reduced tumor burden and the patient achieved the complete remission after bridging to UCBT. After transplantation, the patient was given maintenance treatment with azacitidine and he had sustained remission without severe transplant-related complications during 9-month follow-up.Conclusions:The use of tislelizumab bridging UCBT can be a potential therapeutic strategy for R/R AML patients.