Objective:To understand the oral health and frailty status of the elderly in the community in Beijing and analyze the correlation between the two, so as to provide a reference for the frailty management of the elderly in the community.Methods:This study was a cross-sectional study. Using the multi-stage stratified sampling method, a total of 241 community elderly people in 9 communities in Beijing from July to December 2021 were selected as the research objects. They were investigated using the general information questionnaire, Mini-Nutritional Assessment (MNA) and the Fried Frailty Phenotype. Univariate analysis and ordinal logistic regression analysis were used to explore the influencing factors of frailty among the elderly in the community. A total of 260 questionnaires were distributed in this study and 241 valid questionnaires were recovered, with an effective recovery rate of 92.6%.Results:Among the 241 community elders, 115 (47.7%) were not frail, 92 (38.2%) were pre-frail and 34 (14.1%) were frail. Ordinal Logistic regression analysis showed that the number of teeth of 0-9, 10-19, dry mouth and incomplete or unrepaired restoration of missing teeth were risk factors for frailty among the elderly in the community ( P<0.05) . Conclusions:From the perspective of oral health, this study further analyzes the risk factors of frailty in the elderly in the community. Medical institutions and elderly care institutions at all levels can use oral health status as a screening item for the frailty risk of the elderly in the community, providing new ideas for the prevention and intervention of frailty in the community.

OBJECTIVE: To explore the molecular basis for a rare case with Para-Bombay AB blood type. METHODS: Serological method was used to determine the blood type of the proband. Exons 6 and 7 of the ABO gene and the coding regions of FUT1 and FUT2 genes were analyzed by direct sequencing. RESULTS: Serological results showed that the proband was a Para-Bombay AB subtype. His genotype was determined as ABO*A1.02/B.01. The proband was also found to harbor c.551-552delAG and c.881-882delTT of the FUT1 gene. For his four children, there were three type B and one type A, though the expression of the H type was normal. CONCLUSION The double deletions in the coding region of the FUT1 gene probably underlay the Para-Bombay blood type in the proband. Carrier of single-strand deletions may have a normal ABO phenotype.
ABO Blood-Group System/genetics* ; Alleles ; Fucosyltransferases/genetics* ; Genotype ; Humans ; Male ; Phenotype ; Sequence Analysis

Objective To investigate the relationship between the severity of insomnia and the curative effect in acute stage in patients with major depressive disorder (MDD). Methods The Insomnia Severity Index (ISI) was used to evaluate and group the severity of insomnia in the 57 patients with MDD. The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality. The 24－item Hamilton Depression Scale (HAMD24) was used to evaluate depressive symptoms, and the effect of acute stage (4～6 weeks) was evaluated with its reduction rate. The difference of curative effect was compared among patients with different insomnia levels. Results There was a significantly different recovery rate in acute stage in 3 groups of patients with mild, moderate and severe insomnia ( X2=22.34,P＜0.01). The severity of insomnia in patients with MDD (PSQI) was negatively correlated with the curative effect of acute stage (r=－0.44,P＜0.01). The total score, anxiety/somatization factor score, retardant factor score and despair factor score were significantly higher in severe insomnia group than in the moderate and mild insomnia groups after acute treatment (P＜0.01). Conclusion The severity of insomnia in patients with MDD can predict the curative effect in acute stage. The depressive patients with severe insomnia have residual anxiety/somatization, retardant, feelings of despair and other symptoms more obvious than mild and moderate insomnia patients after acute treatment.

Objective To investigate the self-care agency in disabled elders of community and to explore effects of medical care and nursing service integration on self-care agency in disabled elders with different degrees of disability in community. Methods We traced and investigated a total of 42 disabled elders signed medical care and nursing service integration with a community. The self-care agency was compared with the Chinese Version of the Self-care Ability Scale for the Elderly (SASE-CHI) before and six months after service objects accepting services. Results The average of self-care ability of community disabled elders was (48.69±12.11) with a low level. Six months after accepting medical care and nursing service integration, the score of self-care ability of disabled elders increased along with (53.07±8.68) in total score of self-care ability, (21.38±3.76) in objective dimension and (25.62±4.39) in skill dimension. There were significant differences in scores of self-care ability compared before and after accepting service (t=-2.346,-2.592, -2.731;P<0.05). There were small changes in elders with mild disability before and after accepting services (P>0.05). The total score of self-care ability and score of skill dimension increased in elders with moderate and severe ability after accepting services, the differences were statistically significant (P<0.05). Conclusions The self-care ability of community disabled elders is in a low level. The medical care and nursing service integration can improve self-care ability of community disabled elders. However, there is great room to upgrade.

Objective: To study the biomechanical property and histocompatibility of acellular porcine fascia so as to supply a new substitute material for tissue repair. Methods: Samples of normal porcine fascia, acellular porcine fascia and normal human fascia were prepared for histological and biomechanical examination. Xenogeneic fresh porcine fascia, acellular porcine fascia and allogeneic rabbit fascia were implanted into the back of rabbit. Tissues were taken for HE staining and histocompatibility test. Results: Histological examination showed that the cellular components which elicit immune rejections had been removed in the acellular porcine fasciam, with the complete extracellular matrix reserved. Arrangement of collagen fiber was loose in the acellular porcine fascia. The biomechanical performance test of the three samples showed that there was no significant difference in the extreme tensile strength (4.47±0.54) MPa, (4.49±0.91) MPa, (4.79±1.35) MPa for acellular porcine fascia, normal porcine fascia and normal human fascia respecively, P>0.05). There was no significant difference between acellular porcine fascia extracellular matrix and porcine fascia with the cell in breaking elongation (501.83%±52.01%, 661.17%±200.28%, P>0.05). However, there was a significant difference in the breaking elongation between human fascia (98.08%±26.02%)and the other 2 kinds of porcine fascia (P<0.01). Histocompatibility test showed the local reactions of the acellular porcine fascia group were weaker than the normal porcine fascia group. Conclusions With sound preparativemethod, the acellular porcine fascia has good biomechanical property and histocompatibility and may serve as a good alternative material for tissue repair.

Objective To study the application of autoregressive integrated moving average(ARIMA)model to predict the monthly reported malaria cases in China,so as to provide a reference for prevention and control of malaria. Methods SPSS 24.0 software was used to construct the ARIMA models based on the monthly reported malaria cases of the time series of 2006-2015 and 2011-2015,respectively. The data of malaria cases from January to December,2016 were used as validation data to compare the accuracy of the two ARIMA models. Results The models of the monthly reported cases of malaria in China were ARIMA(2,1,1)(1,1,0)12 and ARIMA(1,0,0)(1,1,0)12 respectively. The comparison between the predictions of the two models and actual situation of malaria cases showed that the ARIMA model based on the data of 2011-2015 had a higher ac-curacy of forecasting than the model based on the data of 2006-2015 had. Conclusion The establishment and prediction of ARIMA model is a dynamic process,which needs to be adjusted unceasingly according to the accumulated data,and in addi-tion,the major changes of epidemic characteristics of infectious diseases must be considered.

The paper analyzed the organizational form and management status of medical volunteer students participating in community health service, to explore the impact of community health service on medical volunteer students and volunteer recipients. It summarized the present situation and problems of medical volunteer students participating in community health service, in order to provide reference for medical students to play their professional value in participating in community health services.

Objective To evaluate the health problems existed in the disabled elderly in nursing homes in Zhejiang province and assess the knowledge, behavior and status of each existed health problem. Methods By cross-sectional study, a total of 50 disabled elderly in four nursing homes in Zhejiang province were assessed. Results The common health problems of the disabled elderly in nursing homes were personal care, oral health, social contact, physical activity, vision, neuro-musculo-skeletal function, mental health, cognition, medication regimen, and pain. Among the common health problems, the knowledge, behavior and status in personal care, oral health, mental health, and pain were more severer than others. Conclusions A lot of health problems exist among the disabled elderly in nursing homes. A comprehensive and targeted care should be used to improve patients′health.

Objective To evaluate the effects of modified ultrafiltration on the expression of aquaporin 1 (AQP1) in cardiopulmonary bypass (CPB)-induced lung injury in dogs.Methods Eighteen healthy adult dogs of either sex,weighing 15-20 kg,were randomly divided into 3 groups (n =6 each):control group (group C),group CPB and modified ultrafiltration group (group MUF).The dogs were anesthetized with intraperitoneal 2.5％pentobarbital 25 mg/kg.Thoracotomy was performed in all the three groups and in addition lung injury was produced by CPB in CPB and MUF groups.In group MUF,modified ultrafiltration was performed at 10-15 min after termination of CPB.Arterial blood samples were collected before mechanical ventilation (T1),at end of CPB (T2),and at 1 h after termination of CPB (T3) to calculate respiration index (RI) and oxygenation index (OI).The lungs were removed for microscopic examination of pathologic changes in lung tissues under light microscope and for detection of AQP1 mRNA expression by real-time PCR.Results RI and OI were significantly higher and AQP1 mRNA expression was lower at T2 and T3 than at T1 in CPB and MUF groups (P ＜ 0.05).Compared with group C,RI was significantly increased and AQP1 mRNA expression was down-regulated at T2,3 in CPB and MUF groups,and OI at T2.3 in CPB group and at T2 in MUF group was decreased (P ＜ 0.05).Compared with group CBP,RI was significantly decreased,OI was increased and AQP1 mRNA expression was up-regulated at T3 in group MUF (P ＜ 0.05).Conclusion Modified ultrafiltration can reduce CPB-induced lung injury in dogs and upregulation of AQP1 may be involved in the mechanism.

Objective To evaluate the role of aquaporin 1(AQPI)expression in the cartiopulmonary bypass(CPB)-induced lung injury in dogs.Methods Twenty-four healthy dogs,weighing 15-20 kg,were randomly divided into 4 group(n =6 each):control group(group C),acetazolamide Ⅰ group(group A Ⅰ),acetazolamide Ⅱ group(group A Ⅱ),and acetazolarnide Ⅲ group(group AⅢ).Lung injury was produced by CPB.The traditional priming solution was infused in group C.Priming solutions containing acetaaolamide 20,40 and 60 mg/kgwere infused in groups A Ⅰ,A Ⅱ and A Ⅲ respectively.Blood samples were collected from the femoral artery before mechanical ventilation,at the end of CPB and at 1 h after end of CPB(T1-3)for arterial blood gas analysis.Respiration index(RI)and oxygenation index(OI)were calculated.The lung specimens were oblained for determination of AQPI mRNA and protein expression(by RT-PCR and Western blot)and for microscopic examination.The pathological changes of the lung were scored.Results Compared with group C,P(A-a)O2,RI and the pathological score were significantly increased at T2.3,OI was significantly decreased at T2.3,and AQP1 protein expression was down-regulated at T2.3 in groups A Ⅰ,A Ⅱ and AⅢ,and AQP1 mRNA expression was down-regulated at T2.3 in groups AⅡ and AⅢ(P＜0.05).Compared with group A Ⅰ,P(A-a)O2,RI and the pathological score were significantly increased at T2.3,OI was significantly decreased at T2.3,and AQP1 protein expression was down-regulated at T2.3 in groups A Ⅱ and AⅢ,and AQP1 mRNA expression was down-regulated at T2.3 ingroup A Ⅲ(P ＜ 0.05).Compared with group A Ⅱ,RI and the pathological score were significantly increased at T2.3,and AQP1 protein expression was down-regulated at T2.3 in group A Ⅲ(P ＜ 0.05).Conclutsion Down-regulation of AQPI expression is involved in the CPB-induced lung injury in dogs.