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1.
Chinese Journal of Tissue Engineering Research ; (53): 3122-3126, 2014.
Article in Chinese | WPRIM | ID: wpr-446610

ABSTRACT

BACKGROUND:Increasing attention has been paid on the role of advanced glycation end products in bone tissue. Glucose metabolic disorder is one of the main reasons for the increase of advanced glycation end products. OBJECTIVE:To observe the change of advanced glycation end products expressed in type 2 diabetes rats, and to investigate the relationship between impaired fracture healing and change of advanced glycation end products expression in vivo. METHODS:Thirty Sprague-Dawley rats were randomly and equal y divided into two groups:control group (normal feeding) and experimental group (high fat and sucrosum diet feeding to establish type 2 diabetes model). After diabetes models were established, the model of distraction osteogenesis in the left tibiae of al the rats was produced. Distraction was given 0.3 mm per day and continued for 14 days. RESULTS AND CONCLUSION:After the traction was complete, cal us formation in distraction gap was obviously reduced in experimental group compared with control group by X-ray examination. The array of microcolumn formation was disordered and the area of primary matrix front was catachromasis by histology examination. The enzyme-linked immunosorbent assay results showed that, the level of advanced glycation end products was obviously elevated (P<0.01) while osteocalcin was obviously reduced (P<0.01) in experimental group in comparison with control group. The formation of distraction cal us was impaired in the process of fracture healing and blood of type 2 diabetes rats. The increase of advanced glycation end products may be one of the reasons that cause impaired fracture healing in diabetic rats.

2.
Chinese Journal of Practical Nursing ; (36): 30-32, 2009.
Article in Chinese | WPRIM | ID: wpr-394031

ABSTRACT

Objective To compare the effect of different flow rate of oxygen inhalation on relieving scapuledynia after laparoscopic cholecystectomy(LC) with carbon dioxide pneumoperitoneum. Methods 100 patients adopted LC were divided into the 2 L/min group (n=50), the 4 Ldmin group (n=50), both re-ceived oxygen inhalation 6 hours after LC. The incidence and degree of scapulodynia and the blood- gas analysis were analyzed. Results The incidence of scapulodynia after LC in the 4 L/min group was signifi-cantly lower than that of 2 L/min group. PaCO2,PaO2 and pH in the 4 L/min group were different from those of the 2 L/min group. Conclusions Increasing flow rate of oxygen inhalation can relieve incidence and degree of scapulodynia after laparoscopic cholecystectomy.

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