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1.
Chinese Journal of Geriatrics ; (12): 227-231, 2021.
Article in Chinese | WPRIM | ID: wpr-884873

ABSTRACT

Objective:To analysis the impact of public health emergencies on mood fluctuations of depression and the related factors in the elderly in Shanghai, in order to provide a new evidence for early psychological intervention.Methods:A cross-sectional survey was conducted among 983 elderly in the Department of Geriatrics of Xinhua Hospital Affiliated to Shanghai Jiaotong University and two communities in Changning and Hongkou Districts of Shanghai by using a self-compiled social life questionnaire and Geriatric Depression Scale(GDS-30)during corona virus disease(COVID)-19 outbreak from 1 February to 15 February 2020.The mood fluctuations of depression and the related influencing factors were analyzed by comparing the current GDS-30 scores with the scores within previous six months.Results:Of 983 questionnaires, 867 were valid.The incidence of mild fluctuations of depression was increased from 20.9%(181/867)to 27.2%(235/867)during the public health emergencies( P<0.05), with 3 cases of newly emerged severe depression.The GDS-30 scores were higher during the public health emergencies than before the emergencies(9.88±3.85 vs.7.67±3.54, P<0.05). The four risk factors inducing fluctuations of depression in the elderly were the number of coexisted chronic diseases ≥2( P=0.036), the lack of visits or communication from families( P=0.015), the family members exposing a risk to COVID-19( P<0.01), and the daily viewing of epidemic news more than 4 h( P=0.023). Linear regression analysis showed that cough, sore throat, dizziness, sleep disturbance and dyspnea were significantly related to the aggravation of depression(based on the increase of GDS-30 score)( P<0.05). Conclusions:Public health emergencies may exacerbate depression in the elderly.They are more likely to experience the aggravation of depression when they suffer from multiple chronic diseases, lack the child visits or communications, have the family members exposing a risk to COVID-19 and pay excessive attention to the epidemic.

2.
Article in Chinese | WPRIM | ID: wpr-461979

ABSTRACT

BACKGROUND:A variety of cel lines participate in the construction of animal models of osteosarcoma. OBJECTIVE:To compare the abilities of subcutaneous tumorigenesis of human osteosarcoma cel lines MG63, U2OS and 143B in nude mice, and to establish the basis for experimental studies on osteosarcoma. METHODS:A total of 18 nude mice were randomly divided into MG63, U2OS and 143B groups. The back of nude mice was subcutaneously injected with MG63, U2OS and 143B cel lines in corresponding groups, and the process of tumorigenesis was observed. RESULTS AND CONCLUSION:MG63 and U2OS could not induce subcutaneous tumorigenesis in nude mice. Tumors were observed after injection with 143B cels for (6±1) days, with the tumor formation rate of 100% (6/6). The tumor grew very fast. The mean volume of tumors was (3 475±1 544) mm3 at 2 months. The survival time of nude mice burdened with tumors was (68±10) days. Hematoxylin-eosin staining revealed that in tumor tissue, cancer cels formed nest shape, nuclei were big and darkly stained, and split mostly. These results suggested that 143B cel line could wel induce subcutaneous tumorigenesis, which could be used for animal research of osteosarcoma.

3.
Article in Chinese | WPRIM | ID: wpr-599140

ABSTRACT

Objective To study the values of glycosylated hemoglobin in screening for patients with prediabetic state in Guang-zhou region .Methods 525 Guangzhou people who had accepted health examination were enrolled and were subjected to oral glucose tolerance test(OGTT) .BIO-RAD D-10 automatic glycosylated hemoglobin analyzer was employed to detect their glycosylated he-moglobin A1c(GHbA1c) .OGTT results were served as diagnostic criteria ,Receiver operator characteristic (ROC) curve analysis was performed to obtain the optimal threshold of GHbA1c in diagnosing impaired glucose regulation (IGR) .Results The optimal threshold of GHbA1c in diagnosing IGR was 5 .95% .The sensitivities of GHbA1c≥5 .95% and GHbA1c≥5 .7% in diagnosing IGR were 53 .3% and 84 .8% ,respectively ,while their specificities were 72 .8% and 31 .0% ,respectively .The difference of sensitivity between GHbA1c≥5 .95% combined with FPG≥5 .6 mmol/L and GHbA1c≥5 .7% alone in diagnosing IGR showed no statistical significance(P= 0 .406) ,while the specificity increased obviously (P= 0 .000) .Conclusion The criteria of GHbA1c≥5 .7% can be used for prediabetic state screening but not for diagnosis .GHbA1c≥5 .95% combined with FPG≥5 .6 mmol/L can be used effectively for prediabetic state screening in Guangzhou people .

4.
Chinese Journal of Epidemiology ; (12): 121-125, 2010.
Article in Chinese | WPRIM | ID: wpr-277677

ABSTRACT

Objective To study the serum leptin and adiponectin levels among relatively healthy older people and their association with traditional cardiovascular risk factors.Methods Personal medical history and blood sample were collected from 1515 older people of Guangzhou.Fasting serum glucose,lipids,leptin and adiponectin were measured.Results(1)In relatively healthy older adults aged 50 or above,from Guangzhou,the following data were seen:serum leptin levels(x-±s)in men and women were(3.90±2.36)ng/ml and(12.17 ±2.01)ng/ml respectively;serum adiponectin levels in men and women were(5.33 ± 2.78)mg/L and(7.18 ± 2.58)mg/L respectively.(2)Serum leptin and adiponectin level increased with age.After adjusting for body mass index,the trend for serum leptin level in men(P<0.001)and adiponectin level in women(P<0.05)were significantly associated with age.(3)No association was found between cigarette smoking and levels of leptin or adiponectin in both men and women after adjusting for age(P from 0.09 to 0.76).(4)In both men and women,serum leptin and adiponectin levels were positively associated with waist circumference/body mass index,systolic blood pressure,low-density lipoprotein cholesterol and triglyceride(P from 0.04 to<0.001).In men,leptin was also significantly associated with the increase of diastolic blood pressure and glucose but decreased with high-density lipoprotein cholesterol(P from 0.03 to 0.02).(5)Decreased adiponectin level was associated with increased waist circumference and triglyceride in both men and women(P from 0.003 to<0.001)and with the increased body mass index,fasting plasma glucose as well as with decreased high-density lipoprotein cholesterol in men(P from 0.05 to<0.001)but with increased systolic blood pressure and total cholesterol in women(P from 0.05 to 0.006).Conclusion In Guangzhou city,among relatively healthy older adults aged 50 or above,their serum leptin and adiponectin levels were lower in men than in women.Serum leptin level in men and adiponectin level in women were significantly associated with the increase of age.Increased leptin and decreased adiponectin levels were associated with increased traditional cardiovascular risk factors.

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