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Objective@#To examine the correlation between frailty and lifestyle factors among middle-aged and elderly populations, so as to provide insights into the management of frailty among middle-aged and elderly populations.@*Methods @#Middle-aged and elderly residents at ages of 45 ot 69 years were recruited using the convenient sampling method from seven townships in Changxing County of Zhejiang Province from 2019 to 2020. The demographic characteristics and lifestyle factors were collected using questionnaires, and the frailty was measured using the Chinese version of Tilburg Frailty Indicator ( TFI ). Factors affecting frailty were identified among middle-aged and elderly populations using the multivariable logistic regression model.@*Results@#A total of 7 170 residents were surveyed, including 2 780 males ( 38.77% ) and 4 390 females ( 61.23% ), which had a median age of 56 (interquartile range, 10) years. The median frailty score was 2 (interquartile range, 3 ) among the study subjects, and the median frailty score was 2 ( interquartile range, 2 ) among residents at ages of 45 to 59 years, and 2 (interquartile range, 3) among residents at ages of 60 to 69 years. The overall detection of frailty was 16.07%, and the detection of frailty was 13.52% among subjects at ages of 45 to 59 years and 21.01% among subjects at ages of 60 to 69 years. Multivariable logistic regression analysis identified physical activity ( OR=0.826, 95%CI: 0.719-0.949 ) and sleep quality ( OR: 3.376-11.493, 95%CI: 2.907-15.808 ) as factors affecting frailty among middle-aged and elderly residents. Following age stratification, physical activity ( OR=0.817, 95%CI: 0.681-0.981 ) and sleep quality ( OR: 3.076-11.566, 95%CI: 2.518-18.216 ) as factors affecting frailty among subjects at ages of 45 to 59 years, while sleep quality ( OR: 3.777-11.827, 95%CI: 3.002-18.547 ) significantly correlated with frailty among residents at ages of 60 to 69 years.@*Conclusion@#Physical activity and sleep quality are associated with the risk of frailty among middle-aged and elderly populations.
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Objective To understand the changes of schistosomiasis epidemic situation,so as to provide the evidence for for?mulating schistosomiasis control strategy in the Hexi reservoir area. Methods From 2012 to 2015,Xinyuan Village,Meishan Town in the north entrance of Hexi reservoir was selected as a monitoring site. According to the requirements of the monitoring program of schistosomiasis surveillance in Zhejiang Province,the Schistosoma japonicum infection was investigated by using the serological screening(IHA),and the basic situation of the surveillance site was also investigated. Results From 2012 to 2015,167 environments(21.68 hm2)were surveyed,and 2 slices(0.1 hm2)were found with Oncomelania hupensis snails. The detection rate of frames with snails was 0.12%,and the living snail density was 0.0192 snails per 0.1 m2. Totally 374 snails were dissected and no schistosome infected snails were found. A total of 970 local residents and 8 748 mobile people were investigated with the serological tests,and no schistosome infected people were found. In addition,3 085 cattle were investigated and no in?fected ones were found. Conclusion The schistosomiasis epidemic situation is stable in the Hexi reservoir area,but we still should strengthen the monitoring of imported source of infection and snail status,and increase the efforts of environmental trans?formation.
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objective To understand the status of Oncomelania hupensis snail distribution and diffusion in main drainages of Hexi Reservoir and evaluate the snail control effect of the schistosomiasis control engineering of Hexi Reservoir. Methods The O. hupensis snails were investigated by using the straw curtain method and fishing net method in different areas of the main drainages of Hexi Reservoir and the results were analyzed. Results A total of 1 800 straw curtains were used and 37 snails were found in Naxi stream. Totally 5 870 kg floats were salved and no snails were found. Conclusion The schistosomiasis con?trol engineering of Hexi Reservoir is effective in the prevention of the snail diffusion but there are still snails in the upstream. Therefore the snail surveillance and control need to be strengthened.
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Objective To evaluate the effect of schistosomiasis control projects in Hexi Reservoir on Oncomelania hupensis snail control. Methods The canal hardening+main water system widening+the overflow dam project,the concrete slope protec-tion,the banking and reclamation + concrete slope protection project,the environment reform project,and the comprehensive treatment were implemented in the tail area,the hydro-fluctuation belt,the rainwater harvesting zoon of the upstream area,the dam area,and the downstream area of the reservoir,respectively. The changes of the snail situation were investigated before and after the construction of the reservoir,and the snail control effects of the schistosomiasis control projects in different parts of the reservoir were analyzed. Results There were no Oncomelania snails found 3 years in the bottom area,dam area,hydro-fluctua-tion belt,tail region and downstream of the dam after the construction and storage of the reservoir and the implementation of the schistosomiasis control projects. In the rainwater harvesting zoon of the upstream area,the density of living snails decreased from 0.620 4 snails/0.1 m2 in 2009 to 0.113 2 snails/0.1 m2 in 2013,but the snail area still remained. Conclusions The schistosomia-sis control projects in Hexi Reservoir have effectively prevented the diffusion of Oncomelania snails from the rainwater harvesting zone of the upstream area to the dam area,and they are effective in the snail control.
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<p><b>OBJECTIVE</b>To explore the feasibility of single-incision laparoscopic cholecystectomy using a three-dimensional (3D) laparoscopic system.</p><p><b>METHODS</b>Two patients with benign gallbladder disease with a history of recurrent abdominal pain were selected to undergo the surgery. Gallstones were diagnosed by B ultrasound examination. All the operations were performed through the umbilical incision with the 3D laparoscopic system.</p><p><b>RESULTS</b>The 2 operations were completed successfully with a operative time of 35 min and 50 min. Both of the patients were ambulatory 8 h after the surgery, began to have a normal diet 1 day after operation, and were discharged 2 days postoperatively without any clinical symptoms.</p><p><b>CONCLUSIONS</b>3D single-incision laparoscopic operation can well reveal the tissue anatomy in the operative field especially for some important structures such as the Calot's triangle with an improved safety compared to conventional laparoscopic operations.</p>