Objective To compare the operation and clinical effects of total hip arthroplasty and hemiarthroplasty in the treatment of fracture of femoral neck in elderly patients.Methods 58 elderly patients( ≥85 ) with femoral neck fracture were divided into observation group(n=39) and control group(n=19).The observation group was treated by hemiarthroplasty and the control group was treated by total hip arthroplasty.The operation time,blood loss,hospital stay,postoperative hip functional score and complications were observed and compared between the two groups.Results The operation time and blood loss of the observation group were(71.6 ±9.3)min and (266.8±113.5) ml respectively,which were significantly less than those of the control group ( t=7.89,3.43,all P ＜ 0.05 ).Therer was no significant difference of the hospital stay,postoperative hip functional score and incidence rate of complications between the two groups.Conclusion Hemiarthroplasty was an ideal rmethod in treating fracture of femoral neck in elderly patients,which was effective and simple.

Objective: To study the effects of zinc on transport function of erythrocyte membrane. Methods: This study was conducted both in vivo and in vitro. In vivo, weanling rats were divided into three groups and fed with different zinc diets (2.2, 28 and 128 mg Zn/kg diet) for four weeks, the transport function of Na +/K + pump, COTS-1, COTS-2, Gardos and RF channels were determined. In vitro, different concentration of zinc (0,5,10,50,100 and 500 ?mol Zn 2+ /L) were added into fresh human blood and the activities of the five transport channels were detected. Results: Proper zinc could keep the highest activities of Na +/K + pump, COTS-2 and Gardos channel. Too low or too high zinc decreased the transport function of these three channels and the activities of COTS-1 and RF channel were increased with the increase of zinc concentration, indicating the competitive function of these two channels. Conclusion: Zinc plays an important role in maintaining the transport function of erythrocyte membrane.

Objective: To investigate the specific effects of resistant starch (RS) on zinc status in rats. Methods: (1)Zinc metabolism in normal rats: Three groups of Wistar rats were fed with basal diet (control), diet with 13% or 26% RS respectively, for 18 days. Urine, fecal and blood samples were collected for zinc measurement. Zinc apparent absorption was calculated.(2)Zinc status in rats fed with high sucrose (50%) diet: Three groups of Wistar rats were fed with basal diet, high sucrose digestible starch diet (S DS) or high sucrose resistant starch diet (S RS, containing 14% RS) respectively for 12 w. Samples of urine, blood, liver, pancreas and kidney were collected for measurement of zinc content. Results: (1)Zinc apparent absorption in normal rats was: control group 56.59%, 13%RS group 50.11%, and 26%RS group 54.40%. (2)High sucrose diet led to increased postprandial glucose and HbA 1C and depressed fast insulin level in S DS group rats, with decreased plasma and pancreas zinc level (compared with control group, P

ObjectiveTo explore the clinical outcome of the combined nutrition support for colorectal cancer patients.MethodsTwo research arms were obtained using a cohort sampling method.Ann A ( the study group): from 2009 to 2010,30 colorectal cancer patients were enrolled.They received nutritional risk screening (NRS) 2002 after admission.Nutritional risk was defined as NRS 2002 score ≥3 three days before operation.Patients with nutritional risk received enteral nutrition (EN) for bowel preparation without laxative drug and enema.After operation,they received EN combined with parenteral nutrition (PN) supports provided.Arm B (control group): 30 cases with historically confirmed colorectal cancer were enrolled from 2007 to 2008.They received routine bowel preparation (diet control,laxative drug,and enema) and PN supports after operation.Nutritional parameters,the rate of infectious complications,the rate of systemic inflammatory response syndrome,and the duration of hospital stay were analyzed.ResultsThere were no significant difference in body weight and plasma albumin between these two arms ( P ＞ 0.05 ). The incidence of systemic inflammatory response syndrome (13.3 ％ ),infectious complications (10.0％ ),and the duration of hospital stay [ (12.3 ± 6.5 ) d ] in arm A were significantly lowerthan those in arm B [33％,30％,and (15.0 ±7.2) d,respectively] (P =0.038,P =0.042,P =0.045).Conclusion For the colorectal cancer patients,nutritional risk screening on admission,bowel preparation with eneral nutrition before operation,and combined nutritional support after operation can improve the clinical outcome.

Objective: To observe the effect of yoghurt supplementation on the growth rate of preschool children in Beijing suburb. Methods: 402 healthy children (217 males, 185 females), aged 3-5 years old, were selected as subjects with height and/or weight less than WHO standard from 7 kindergartens in Beijing suburb. The children were divided randomly into control group (CG 201) and yoghurt supplemented group (YG 201). Children in YG were supplemented with yoghurt (125g) for 5d per week for 9 mo, and children in CG not supplemented. Height, weight and upper-arm circumference were measured every month. Blood biochemical parameters (Hb,TP) were detected every 3 mo. Results: Calcium, zinc and VB2 were consumed more in YG than CG. Hb in YG was also higher than CG . The height incease and weight gain of YG was significantly higher than CG during 3, 6 and 9mo. Conclusion: Yoghurt supplementation for 9 months can increase calcium, zinc and VB2 intake, and improve preschool childrens nutritional status, therefore increase their height increase and weight gain.