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Objective:To establish a predictive equation for the osmolarity of parenteral nutritional prescription in China.Methods:From July 2019 to September 2019, 2 480 individualized samples of 328 different parenteral nutritional prescriptions (adult) of Peking Union Medical College Hospital were collected, and the osmolarity of parenteral nutritional solution samples was determined by a freezing point reduction method. Pearson χ2 test and a multiple linear regression analysis were utilized to establish a prediction equation for the osmolality of parenteral nutritional solution. Results:The average osmolarity of parenteral nutritional prescription was (1 164.20 ± 252.59) mOsm/kg, and the best fitting equation was (9.66A+ 7.88G+ 3.52F+ 36.4Na+ 27.55K+ 3.38P+ 7.46W-250)/V.Conclusion:The osmolarity is determined accurately and effectively by the fitting equation, which provide a benefit reference for the formulation, review and selection of clinical parenteral nutrition prescription especially in China.
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Objective To evaluate the function of the domestic sickbeds set up by our hospital in the prevention and cure of non infectious chronic diseases. Methods A perspective study was made through offering health education, guidance and home treatment to 116 cases using domestic sickbeds and employing the method of self management. In addition, the clinical treatment results of the patients and the rate of their satisfaction towards domestic sickbeds were surveyed, analyzed and assessed. Results Through long term follow up visits, it was found that compared with the intermittently standardized group and the completely non standardized group, the control rate of chronic diseases in the standardized group with systematic management and treatment was significantly higher while the rates of complications and mortality were much lower (P