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1.
Article in Chinese | WPRIM | ID: wpr-864804

ABSTRACT

Objective:To observe the effect of personalized nutritional support on postoperative rehabilitation and nutritional status in patients undergoing radical mastectomy and reconstruction of oral malignant tumor.Methods:Eighty-eight patients with oral malignant tumor admitted from January 2018 to December 2018 in Hospital of Stomatology, Sun Yat-sen University were divided into two groups according to the time of admission. 40 patients were selected as the study group and 48 patients were selected as the routine group. The routine group was given traditional health education and dietary guidance. In addition to dietary guidance, the study group was given personalized nutritional support according to the patients' body mass index and nutritional status before and after operation, including oral nutritional supplement before operation, personalized nutritional prescription after operation, and increased protein intake according to the nutritional indicators of the patients. The nutritional status, enteral nutrition complications and postoperative rehabilitation were compared between the two groups two weeks after operation.Results:Two weeks after operation, the hemoglobin, total protein, prealbumin were (107.93±16.19) g/L, (68.40±4.87) g/L, (189.02±55.19) mg/L in the study group, and (101.23±14.62) g/L, (63.11±6.42) g/L, (165.75±40.60) mg/L in the routine group, there were significant differences ( t values were -2.037, -4.271, -2.276, all P<0.05). The incidence of malnutrition, wound infection and gastrointestinal complications were 42.50%(17/40), 0, 5.00%(2/40) in the study group and 64.58%(31/48), 16.67%(8/48), 20.83%(10/48) in the control group, there were significant differences( χ2 values were 4.292, 7.333, 4.644, P<0.05). Conclusions:Perioperative personalized nutritional support can effectively improve the nutritional status, reduce enteral nutrition-related complications, improve immunity and reduce the risk of incision infection in patients undergoing radical mastectomy and simultaneous reconstruction of oral malignant tumors, which is helpful to improve the quality of life of patients and is worthy of clinical reference.

2.
China Medical Equipment ; (12): 59-62, 2017.
Article in Chinese | WPRIM | ID: wpr-620722

ABSTRACT

Objective: To investigate the situation of quality control of 3.0T magnetic resonance imaging (MRI) system. Methods: A series of indicators, including signal noise ratio(SNR), image uniformity, resolution of long-scale contrast, resolution of space, linearity and quality control of slice thickness, of 3.0T MRI system were measured by using Magphan SMR170 phantom (made by the phantom laboratory in American) on the Discovery MR 750 w system which made by GE company of American. And a series of formula, including SNR=(Sinside-Soutside)÷SDinside, U∑=(1-Smax-Smin/Smax+Smin ×100%, linearity=LR-LM/LR×100%、thickness=half of height and width ×0.25, were used to calculate SNR, image uniformity, linearity and quality control of slice thickness, and all of these results were used to evaluate the situation of quality control of 3.0T MRI system. Results:The results revealed that SNR of 3.0T MRI was 105, the imaging uniformity achieved to 99.13%, the resolution of long-scale contrast was 5mm/0.5mm, the resolution of space was 6 LP/cm, linearity achieved to 0.89% and the deviation of slice thickness was 0.6mm. All of these indicators has achieved the standards of detection. Conclusion: Through detecting the SNR, imaging uniformity, resolution, linearity and the deviation of slice thickness of 3.0T MRI system, the performance of the MRI can be accurately obtained, and these contribute to ensure the equipment operating in ideal situation.

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