Objective To investigate the risk factors of hypoparathyroidism after total thyroidectomy and bilateral central lymph node dissection in patients with papillary thyroid carcinoma.Methods Data of patients with PTC who accepted total thyroidectomy and bilateral central lymph node dissection in the Department of Thyroid Surgery from Jan.2013 to Jun.2016 were collected and analyzed retrospectively.The patients were divided into normal group,transient hypoparathyroidism group and permanent hypoparathyroidism group according to the level of serum parathyroid hormone within 6 months after surgery.Clinical data were collected for comparison between the three groups.The risk factors of hypoparathyroidism were indentified with univariate analysis and multivariate analysis.Results A total of 468 patients,241 in the normal group and 227 in the hypoparathyroidism group (220 in the transient hypoparathyroidism group and 7 in the permanent hypoparathyroidism group),were included in the study.Univariate analysis showed that without application of carbon nanoparticles (P=0.04) and autotransplantation of more than one parathyroid gland (P＜0.001) were risk factors of hypoparathyroidism,and without application of carbon nanoparticles (P=0.047),incidental parathyroidectomy of one parathyroid gland (P=0.04),gross extrathyroidal extension (P=0.006) and c N1a were risk factors of permanent hypoparathyroidism.Multivariate analysis showed that without application of carbon nanoparticles (OR,0.437;95％ CI,0.243-0.789;P=0.006) and autotransplantation of more than one parathyroid gland (OR,3.025;95％ CI,1999-4579;,P=0.000) were independent risk fact ors of hypoparathyroidism,and without application of carbon nanoparticles (OR,0.197;95％ CI,0.039-0.982;P=0.048) and gross extrathyroidal extension (OR,12.381;95％ CI,1.432-107.036;P=0.022) were independent risk factors of permanent hypoparathyroidism.Conclusion When total thyroidectomy and bilateral central lymph nodes dissection were performed,carbon nanoparticles were routinely applied.Although autotransplantation of more than one parathyroid gland can increase the incidence of transient hypoparathyroidism,it can reduce the incidence of permanent hypoparathyroidism.If extrathyroidal extension is suspected,hypoparathyroidism should be emphasized to patient,and accurate operation should be done to reduce the incidence of hypoparathyroidism.

Objective To study the expression of leukemia-related protein 16 (LRP16) in human pituitary prolactin adenomas (PRL adenomas), and the relationship between LRP16 and estrogen receptorα (ERα).Methods From October 2009 to September 2014, thirty-one adult patients diagnosed and pathologically confirmed as pituitary prolactin (PRL) adenomas (observation group) and 22 pituitary non-PRL adenomas (control group) in the Chinese PLA General Hospital were verified by the pathological examination. Immunohistochemical method was used to detect the expression levels of LRP16, PRL and ERα.Results Of the patients in observation group, those aged under 30 were predominantly females, while male patients were more common in those aged over 30. LRP16 positively existed in 26 cases (83.9%, 26/31), and ERα was positive in 28 cases (90.3%, 28/31), the both ratios were significantly higher than those in control group. ERα and LRP16 increased synchronously both in expressive content and intensity, showing a certain positive correlation between them.Conclusions Higher body mass index may be a high-risk factor badly affected the occurrence, development and prognosis in male patients with pituitary PRL; LRP16 may take part in the proliferation and formation of pituitary PRL adenomas through ERα.

Objective:To investigate the expression profile variation of long non-coding RNA( lncRNA) in the peripheral blood mononuclear cells of rheumatoid arthritis ( RA ) and healthy controls, and explore the role of lncRNA in the pathogenesis of RA.Methods:A total of 12 RA patients and 11 age-matched healthy controls from University Hospital of Hubei University for Nationalities were recruited.Using lncRNA microarray technology to detect differently expressed lncRNAs in 3 cases of RA PBMCs and 3 cases of healthy controls.GO and Pathway analysis was performed.The coding-non-coding gene co-expression networks of lncRNA and mRNA was constructed based on the correlation analysis,and then searched lncRNA in pathogenesis of RA through the cis-analysis and trans-analysis.Results:A total of 1 615 deregulated lncRNAs and 878 deregulated mRNAs were detected in RA patients.GO analysis of different expressed mRNA may involve in metal ion binding,protein kinase binding,nucleotide binding,regulation of transcription,et al.Pathway analysis of different expressed mRNA may involve in TNF signaling pathway,B cell receptor signaling pathway,pancreatic cancer,system lupus erythematosus endometrial cancer,et al.REL,SMAD3 and ETS1 may play an important role in the pathogenesis and development of RA through cis-analysis and trans-analysis.As the NONHSAG027875,FR378506 and NONHSAT031501 also had the similar function,and they may be related to the pathogenesis and development of RA.Conclusion:Differentially expressed lncRNAs may exert a partial role in RA,and may provide potential targets for future treatment of RA.

Objective To evaluate the quality of life for tuberculosis patients after anterior debridement, autograft bone fusion and anterolateral fixation operation. Methods 17 cases of thoracolumbar spinal tuberculosis were treated surgically from January 2008 to March 2011. All the cases underwent anterior debridement, autograft bone fusion and anterolateral fixation operation. MOS health survey 36-item Short Form (SF-36), Japanese Orthopaedic Association Scores (JOA) and Visual Analogue Scale (VAS) were used to evaluate the quality of life, spine function and pain symptom before and 1 and 6 months after surgery. Results Compared to the results 1 month after surgery, the scores of physical function (PF), role physical (RP), bodily pain (BP), general health (GH), vitality (VT), social function (SF), role emotional (RE), and mental health (MH), and JOA subjective symptoms, JOA clinical signs, and JOA daily activity limitation, and VAS improved (P<0.05) 6 months after surgery; compared to pretreatment, the scores of PF, BP, GH, VT, SF, and MH, and JOA subjective symptoms, JOA clinical signs, and JOA daily activity limitation, and VAS improved (P<0.05). Conclusion The anterior debridement, autograft bone fusion and anterior fixation operation is effective to improve the quality of life, spine function and pain symptom for tuberculosis patients.

Hypoparathyroidism is one of the most common complications of thyroid surgery. Permanent hypoparathyroidism would bring great pain to patients, seriously affect the postoperative quality of life, is becoming the source of medical disputes. Parathyroid autotransplantation can effectively reduce the incidence of postoperative permanent hypoparathyroidism. However, there are still some dispute about the choice, including the time, the number, the method and the location of parathyroid autotransplantation, which need to be further researched. As a result, the program and survival rate of parathyroid autotransplantation will be optimized and improved, respectively.

Pituitary stalk interruption syndrome (PSIS) is a newly discovered rare endocrinological syndrome characterized by structrual defect of pituitary and multiple deficiencies of a series of hypothalamic hormones, and thus leading to a cluster of clinical symptoms. This review will illustrate the genetic pathogenic factors influence on embryonic development, and briefly introduce the current studies of Whole-Exome Sequencing on PSIS.

Objective:To investigate the effect of 25 hydroxyvitamin D [25 (OH) D] on postoperative parathyroid function in patients with papillary thyroid carcinoma (PTC) .Methods:426 patients who diagnosed as PTC and underwent at least total thyroidectomy plus central lymph node dissection (including lateral lymph node dissection) in Center of Thyroid and Parathyroid Surgery of West China Hospital, Sichuan University, from Jun. 2017 to Sep. 2019 were retrospectively analyzed. Among them, 313 were women and 113 were men, they were divided into vitamin D deficient (VDD) group ( n=297) and normal group ( n=129) according to preoperative 25 (OH) D levels ≤ 20ng/ml and > 20ng/ml. SPSS 23.0 statistical software was used for data processing. Pearson χ2 test or Fisher exact test were used to compare the incidence of clinical hypoparathyroidism, biochemical temporary and biochemical permanent hypoparathyroidism between the two groups. Univariate and multivariate logistic regression analysis were used to analyze the related factors of postoperative hypoparathyroidism between the two groups. Results:Preoperative 25 (OH) D level was significantly correlated with postoperative biochemical temporary hypoparathyroidism ( P=0.04, OR=1.11) . Compared with patients with adequate preoperative vitamin D, preoperative vitamin D deficiency increased the risk of biochemical transient hypoparathyroidism by 6.67 times ( P=0.03;OR=6.67) . There was no significant correlation between preoperative vitamin D deficiency and early postoperative clinical hypoparathyroidism (2.7% vs 3.9%, P=0.55) . Conclusion:Correction of vitamin D deficiency before operation may reduce the incidence of postoperative temporary hypoparathyroidism caused by 25 (OH) D deficiency.

Objective:To investigate the value of the decrease rate of parathyroid hormone (PTH) in predicting permanent hypoparathyroidism (PHP) in one month after operation of papillary thyroid carcinoma (PTC) .Methods:The clinical data of 322 patients with PTC who underwent at least total thyroidectomy and unilateral central lymph node dissection in the Thyroid Surgery Center of West China Hospital of Sichuan University from Jan. 2013 to Jun. 2018 were retrospectively analyzed. There were 257 women and 65 men. According to the time when PTH returned to normal, they were divided into 307 cases in the temporary hypoparathyroidism (THP) group and 15 cases in the PHP group. The decrease rate of PTH and the incidence of hypoparathyroidism in one month after operation were counted, the clinical characteristics and operation information were observed, and the risk factors of PHP were analyzed. SPSS 23.0 statistical software was used for data processing. χ 2 test and t test were used for comparison between THP and PHP. The related factors were analyzed by multivariate logistic regression. Results:307 cases of THP and 15 cases of PHP were included. Multivariate logistic analysis showed that age ≥ 55 years old ( OR, 35.193; 95% CI, 2.936 - 421.870; P=0.005) and PTH before operation closer to normal lower limit ( OR, 2.349; 95% CI, 1.161 - 4.755; P = 0.018) were independent risk factors for PHP. Patients with PHP had a higher rate of PTH decline in 1 month after operation ( OR, 373.439; 95% CI, 26.568 - 5248.983; P=0.000) . The ROC curve showed that the sensitivity and specificity of predicting PHP were 86.7% and 94.8% respectively. Conclusions:The age of patients with PTC ≥ 55 years old and PTH before operation closer to normal lower limit are independent risk factors for the occurrence of PHP. The decline rate of PTH in one month after operation which more than 73.2% can predict PHP.

Objective:To establish a HPLC method for determinating 9 components simultaneously in Swertia chirayita. Methods:By useing water Sunfire C18 column (4.6 mm× 250 mm,5 μm); Gradient elution was carried out with methanol-0.05% phosphoric acid solution as mobile phase. Setting the column temperature at 30 ℃, the flow rate at 1.0 ml/min, and the detection wavelength at 254 nm.Results:9 components showed good linear relationship within the injection quality range. The recovery rates of wertiamarin, Gentiopicroside, Angelica glycosides,Mangiferin, Isolysine, Gentianoside, Diol glycoside, 8-hydroxy-1,3,5 trimethoxyketone, and Daisy leaf gentinone were 95.38%, 92.41%, 95.14%, 91.87%, 92.24%, 92.51%, 95.08%, 91.72%, 95.74% ( n=6). Conclusion:The method is simple, efficient, sensitive, accurate, economical and practical, with repeatability and stability. It could provide reference for the quality control and comprehensive utilization of Swertia chirayita.

Objective To evaluate the bioequivalence of domestic and imported terazosin hydrochloride tablets after single oral dose .Methods It was a single center ,randomized ,open ,cross-over trail design ,21 subjects were fasting oral adminis-tered of 2 mg domestic and imported terazosin hydrochloride tablets in different periods ,venous blood 4 ml were collected in different time points before and 60 h after administration ,plasma concentration of terazosin was determined by LC-MS/MS . Results The main pharmacokinetic parameters of domestic and imported terazosin hydrochloride tablets were as follows :t1/2 :(13.2± 2.39)hvs(12.5±1.93)h,tmax :(1.01±0.83)hvs(1.08±0.69)h,Cmax :(40.1±10.6)ng/mlvs(37.3± 9 .57) ng/ml;AUC0- ∞ :(428 ± 82 .1) ng · h/ml vs (426 ± 85 .2) ng · h/ml .The relative bioavailability of domestic terazosin hydrochloride tablets was (101 .2 ± 14 .7)% .90% CI of domestic and imported terazosin hydrochloride tablets AUC0-t and Cmax geometric mean ratio fell between 80% -125% .Conclusion The domestic tablets are bioequivalent to the imported tablets .