1.The evaluation of multislice spiral computed tomography angiography in the diagnosis of moyamoya disease
Caijun TENG ; Xuedong LI ; Huaiyou BIN ; Haibo ZHAO
Chinese Journal of Postgraduates of Medicine 2009;32(7):17-19
Objective To evaluate the diagnostic value of the multislice spiral computed tomography angiography (MSCTA) in the diagnosis of moyamoya disease and explore its future application. Method The image data of 10 patients with moyamoya disease undertaken MSCTA and digital subtraction angiography (DSA) were reviewed analysis. Results MSCTA could clearly show stenosis, multiple occlusion or abnormalities of the cerebral vessels. Volume-rendering helped to show the relationship between the abnormal vessels and the surrounding tissues. Combined maximum intensity projection (MIP) and multiplsnar reconstruction (MPB) images could clearly show abnormally increased vessels (moyamoya disease vessels). The rate of occlusion and stenosis showed by MSCTA were 66.2%(53/80)and 67.5%(54/80)by DSA. There was no significant difference between the two methods (P>0.05). The images of MSCTA were basically same as those of DSA. Conclusions MSCTA is sensitive in diagnosing moyamoya disease, which is an important basis for early diagnosis. Early diagnosis and treatment is effective in improving prognosis of moyamoya disease.
2.Role of ghrelin in ameliorating insulin resistance in fructose-fed rats and its mechanism
Yintao ZHAO ; Li SHAO ; Haibo YANG ; Lili TENG
Chinese Journal of Endocrinology and Metabolism 2013;29(9):806-808
Thirty-two male Sprague-Dawley rats were divided into control group (n =16) and fructose group (n =16) fed with 10% fructose solution.After 4 weeks,the rats of two groups were treated with saline and 50 nmol/kg ghrelin for 6 weeks,respectively (each group n =8).Fasting plasma glucose,insulin,and blood lipid profile were measured.Insulin receptor (Ins-R) mRNA expression in muscle was detected by RT-PCR.The phosphorylation of insulin receptor substrate-1 (IRS-1) was measured by Western blot.The results showed that insulin level and homeostasis model assessment for insulin resistance index (HOMA-IR) in fructose group were higher than those in control group [(13.1±3.6 vs 9.0 ± 1.5) μU/ml,P<0.05 ;2.78 ± 0.14 vs 1.81± 0.13,P <0.01)].After ghrelin treatment,plasma insulin concentration [(9.6 ± 2.5) μU/mL,P<0.05] and HOMA-IR (1.96 ± 0.12,P<0.01)significantly decreased,along with increased Ins-R mRNA and IRS-1 phosphorylation in skeletal muscle (P <0.01).These results suggest that ghrelin can ameliorate insulin resistance in fructose-fed rats by restoring Ins-R function.
4.The relationship between the number of dissected central lymph nodes and clinical outcome in pN1a papillary thyroid carcinoma
Teng ZHAO ; Wen GAO ; Jun LIANG ; Xin LI ; Yansong LIN
China Oncology 2017;27(4):256-261
Background and purpose: Neck lymph node metastasis, most of which presents in central neck compartment, is common in patients with papillary thyroid carcinoma (PTC). The objective of this study was to investigate the relationship between the number of dissected central neck lymph nodes and clinical outcome after radioactive iodine (RAI) ablation in pN1a PTC with no more than 5 lymph nodes involvement. Methods: A total of 167 PTC patients who had 1-5 proven metastatic lymph nodes according to postoperative pathological diagnosis were retrospectively analyzed, all of whom underwent total or near total thyroidectomy and central lymph node dissection. After a median follow-up period of 26 months, the clinical outcome of each patient was evaluated as excellent response (ER), indeterminate response (IDR), bio-chemical incomplete response (BIR), or structural incomplete response (SIR) according to the new American Thyroid As-sociation guidelines. The accumulative ER rate (ERn) was calculated in patients with different numbers of dissected lymph nodes (ERn was defined as the proportion of patients who achieved ER with the dissected lymph node number of ≤n). The relationship between the number of dissected central neck lymph nodes and ERn were investigated. Results: As the increase in the number of dissected central neck lymph nodes,there was also an overall increase in ERn, especially when n rose from 1 to 10. The values of ER1, ER5, ER10 and ER30 were 25.0%, 66.7%, 74.7% and 79.1%, respectively. Besides, the proportion of patients who achieved ER was higher in those with 10 or more dissected lymph nodes than in those with less than 10 (85.7% vs 73.3%, P=0.05). In the multivariate logistic regression analysis, both the dissected central lymph node number of ≥10 (OR=2.720, 95%CI: 1.052-7.033, P=0.039) and the level of preablation stimulated thyroglobulin (OR=0.955, 95%CI: 0.926-0.984, P=0.003) were shown to contribute independently to ER. Conclusion: As the increas-ing number of dissected central neck lymph nodes, the percentage of pN1a PTC patients that achieved ER after RAI ablation generally rises. In pN1a PTC patients with no more than 5 lymph nodes involvement, a central compartment dissection with 10 or more lymph nodes might help them achieve ER after RAI ablation.
5.Reconstruction of the 1/4 defect on upper-lip vermilion with a lower-lip vermilion compound tissue flap.
Zhao JINGYI ; Jin XIAOLEI ; Teng LI ; Xu JIAJIE ; Zhang CHAO
Chinese Journal of Plastic Surgery 2015;31(3):161-164
OBJECTIVETo investigate the reconstruction of 1/4 defect on upper-lip vermilion with a lower-lip vermilion compound tissue flap pedicled at oral commissure.
METHORDSAt the first stage, the lower lip mucosal flap pedicled by inferior labial artery was transposed to reconstruct the defect on upper lip vermilion and tubercle. The defect at the donor site was closed directly. At the second stage, the flap pedicle was cut off and revised.
RESULTS6 patients were treated with satisfactory aesthetic results. All the flaps survived completely. The oral commissure kept normal with no obvious scar at the donor sites.
CONCLUSIONSThe modified crosslip vermilion flap pedicled at oral commissure has the advantages of avoiding inconvenience in feeding, speaking and cleaning. The procedure is simple with available blood supply. Both aesthetic and functional results are satisfactory.
Arteries ; Esthetics ; Humans ; Lip ; surgery ; Mouth Mucosa ; transplantation ; Surgical Flaps ; blood supply ; Transplant Donor Site ; surgery
6.Relationship between plasma ghrelin levels and insulin resistance and blood pressure in octogenarians.
Yintao, ZHAO ; Li, SHAO ; Lili, TENG ; Daifu, ZHANG ; Hua, ZHANG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2010;30(3):307-11
The association between fasting plasma ghrelin levels and insulin resistance and blood pressure (BP) in octogenarians was investigated in this study. A total of 487 unrelated octogenarians (including 203 men and 284 women) were enrolled in this cross-sectional study at the Healthy Care Center of Shanghai East Hospital, Tongji University, China, from October 2008 to April 2009. Plasma ghrelin was determined by using the enzyme linked immunosorbent assay (ELISA). Insulin sensitivity was assessed using the homeostasis model of assessment-insulin resistance (HOMA-IR). The age of the participants ranged from 80 to 89 years (mean=83.9+/-4.8 years) with a body mass index (BMI) of 25.3+/-4.9 kg/m(2). Plasma ghrelin levels were 20.94+/-5.34 mug/L, being 20.89+/-5.53 mug/L in men and 21.38+/-3.73 mug/L in women respectively. Plasma ghrelin was not associated with systolic (P=0.981) or diastolic (P=0.724) BP, waist circumference (P=0.278), fasting insulin (P=0.246), fasting blood glucose (FBG) (P=0.693) and HOMA-IR (P=0.232). In the control cohort, no significant differences in plasma ghrelin were found between genders (P=0.489), and among subjects with hypertension (BP>140/90 mmHg) (P=0.284) and type 2 diabetes (P=0.776). In conclusion, fasting plasma ghrelin levels are not directly correlated with insulin resistance and BP among octogenarians.
7.Relationship between the initial change of Tg and outcome in differentiated thyroid carcinoma patients with pulmonary metastases after 131I treatment
Chen WANG ; Teng ZHAO ; Jiao LI ; Wen GAO ; Yansong LIN
Chinese Journal of Nuclear Medicine and Molecular Imaging 2017;37(9):555-558
Objective To investigate the relationship between the initial change of Tg and clinical outcome in DTC patients with pulmonary metastases after 131I treatment.Methods A total of 47 DTC patients (13 males,34 females;average age (41.6±16.3) years) with pulmonary metastases from January 2008 to June 2014 were retrospectively analyzed.Patients were divided into 3 groups according to the variation of Tg: G1 with a declined (more than 50%) Tg;G2 with a declined (less than 50%) Tg or an increased (less than 10%) Tg;G3 with an increased (more than 10%) Tg.The median follow-up time was 1 501 d.Clinical outcomes were divided into remission,stable disease and progressive disease according to the serum test and imaging results.Data analysis was performed by χ2 test and Fisher exact test.Results The percentage of G1,G2,G3 patients was 44.7%(21/47),40.4%(19/47),and 14.9%(7/47) respectively.Results of follow-up showed 19.0%(4/21) patients achieved remission and 81.0%(17/21) with stable disease in G1.There were 2/19 with remission,12/19 with stable disease and 5/19 with progression disease in G2.All patients (7/7) had progressive disease in G3.The clinical outcome was related to the variation of Tg after 131I treatment (Fisher exact test,P<0.01).Conclusions Initial Tg after 131I treatment could be a predictor to the outcome of patients.The increased Tg level indicates a high possibility of 131I refractory disease.
8.Outcome of radioiodine therapy in patients with papillary thyroid carcinoma concurrent with Hashimoto's thyroiditis
Jiao LI ; Jun LIANG ; Tao YANG ; Teng ZHAO ; Yansong LIN
Chinese Journal of Nuclear Medicine and Molecular Imaging 2016;36(6):481-485
Objective To evaluate the impact of low-dose 131I therapy and high-dose 131I therapy on the clinical outcome in PTC patients coexisting with Hashimoto's thyroiditis (HT).Methods A total of 140 non-distant metastatic PTC patients (16 males,124 females,age range:16-66 years) from July 2010 to December 2014 were enrolled in this retrospective study.Patients concurrent with HT (n=84,group A) were divided into low-dose group (1 110 MBq,n=56,group A1) and high-dose group (5 550 MBq,n=28,group A2) according to 131I ablation dose.Patients without HT (n =56) were enrolled as control group (group B),and received 1 110 MBq of 131I.The thyroid remnant ablation outcome was evaluated according to 131I diagnostic whole-body scan (Dx-WBS),neck ultrasonography (US),serum Tg and TgAb level 6-8 months after 131I ablation therapy.The successful ablation rates were compared by x2 test.Kruskal-Wallis rank sum test was also used.Results There were no significant differences among the 3 groups in terms of both clinicopathological features and postoperative remnant thyroid (H:0.203-2.944,x2:0.271-0.970,all P>0.05).When negative Dx-WBS and US were deemed as successful ablation criterion,complete ablation rate was found significantly more in group B (94.6%,53/56) than that in group A1 (82.1%,46/56;x2=4.264,P<0.05),but no significant difference was found between group A2 (85.7%,24/28) and group A1 (x2 =0.318,P>0.05).When combining negative sTg (sTg<1 μg/L,TgAb<46 kU/L) with the above 2 criterions to assess remnant ablation outcome,group B also had a higher successful rate to achieve complete ablation (85.7%,48/56) compared with group A1 (75.6%,34/45),but without statistical significance (x2=2.978,P>0.05),and no difference was observed between group A2 (12/15) and group A1 (x2=1.320,P> 0.05).Conclusion Non-distant metastatic PTC patients coexisting with HT has undesirable 131I ablation outcome compared with those without HT,increasing 131I dose is unhelpful to enhance efficiency of remnant ablation for PTC patients with HT.
9.The impact of lymph node metastatic rate on clinical outcome following131I therapy in patients with papillary thyroid carcinoma
Wen GAO ; Jun LIANG ; Teng ZHAO ; Jiao LI ; Yansong LIN
China Oncology 2016;(1):67-72
Background and purpose:This study aimed to investigate the relationship between lymph node metastatic rate (LR) and response to radioiodine therapy in patients with papillary thyroid carcinoma (PTC).Methods:A total number of 143 PTC patients after radioiodine therapy were included and classified into 4 groups [Ⅰ(0%-10%),Ⅱ(>10%-25%),Ⅲ(>25%-50%),Ⅳ(>50%)] according to the lymph node metastatic rate, and the responses to initial radioiodine therapy after a median follow-up period of 20.7 months were evaluated. They were classiifed into 4 groups [excellent response (ER), indeterminate response (IDR), biochemical incomplete response (BIR), and struc-tural incomplete response (SIR)] according to the guideline proposed by 2015 American Thyroid Association. One-Way analysis of variance,χ2 test and Kruskal-Wallis test were used to evaluate the differences in basic clinicopathological features and clinical responses among the 4 groups. The ROC curve was analyzed to evaluate the clinical value of lymph node metastatic rate for predicting ER and optimal cut-off point.Results:There were no signiifcant differences in gender and T-stage among 4 groups (P>0.05). However,Ⅰ group was signiifcantly older than the other 3 groups (P=0.001). With the increase of lymph node metastatic rate, the number of ER cases decreased, while cases of BIR and SIR generally increased. Compared with the other 3 groups, less cases of ER (27.8%), while more BIR (27.8%) or SIR (11.1%) were observed in groupⅣ (H=18.816,P=0.000). Cut-off value of lymph node involved rate was 52.27%, with a better speciifcity of predicting ER. Area under the ROC curve was 0.668.Conclusion:The higher lymph node metastatic rate in patients with PTC, the worse clinical outcome it could be. A cut-off value of lymph node metastatic rate 52.27% is a speciifc independent predictor for the clinical outcome in PTC patients treated with radioiodine therapy.
10.Repeated oral treatment with polysaccharide sulfate reduces insulin resistance and dyslipidemia in diabetic dyslipidemic rat model
Meimi ZHAO ; Zhi LI ; Zan TENG ; Jinsheng ZHAO ; Xiuhua YU ; Yasuo WATANABE ; Limei ZHAO
Acta Pharmaceutica Sinica 2007;42(5):488-491
Polysaccharide sulfate (PSS) is a new type of antiatherosclerotic medicine for its effects of anticoagulation, anti-thrombosis and modulation of dyslipidemia. However, it is still uncertain whether PSS could modulate the diabetic dyslipidemia or not. Here, the rat model of diabetic dyslipidemia was developed and the effects of PSS on glucose and lipid levels were investigated in this animal model. Wistar rats were iv injected with streptozotocin 20 mg·kg-1 after feeding with high fat diet for one and a half month. Then, rats received orally PSS (30, 90, and 180 mg·kg-1) for 1 month. After oral treatment with PSS (90 and 180 mg·kg-1) for 1 month, the levels of triglyceride (TG), total cholesterol (TC), low density lipoprotein-cholesterol (LDL-C) were significantly reduced and the level of high density lipoprotein-cholesterol (HDL-C) increased, compared with diabetic control rats. Moreover, PSS (30, 90, and 180 mg·kg-1) had a tendency to reduce glucose and insulin levels, and significantly increased insulin sensitivity index. Our results suggest that PSS could improve insulin sensitivity and relieve dyslipidemia in diabetic dyslipidemic rats.