Objective To investigate the risk factors for hip fracture in elderly people in Ningbo,in order to provide the basis for prevention and treatment of hip fracture.Methods A case-control study were conducted in study on 450 cases of hip fracture patients aged over 60 years in Ningbo and 450 subjects of control as 1 ∶ 1 matched case control study.A univariate analysis of hip fracture was performed by x2 test.Risk factors for hip fracture were analyzed by logistic regression.Results Poor self-care ability (OR=5.05),light manual labor occupation (OR=4.10),history of cerebrovascular events (OR=2.59),smoking (OR=2.14) were the risk factors for hip fracture in elderly men,while poor self-care ability (OR=11.36),light manual labor occupation (OR=2.41),osteoporosis (OR=3.19),early menopause (OR=6.89),low body mass index (OR=5.05) were the risk factors for hip fracture in elderly women.The protective factors for hip fracture was milk uptake (OR=0.29) Conclusions Early interventions for hip fracture risk factors,and prevention and treatment of osteoporosis can help reduce the occurrence of hip fracture.

Objective To discuss the critical effect of studying and producing the practical cleaning stomach machine of once for all. Methods The process of the cleaning stomach by using the center loaded pressure system equipment was imitated, and the time of the liquid inside and outside, the whole cleaning time and the problems appeared during the cleaning stomach process was recorded. Results After finishing designing the equipment,the mimic stomach was used for critical experiment, all kinds of connecting tubes were airtight and no leaking air and water phenomena, the cleaning process was successful and it could save time to achieve the designing goal.Conclusion The cleaning stomach machine of once for all produced by using the center loaded pressure system had well solved the tube sterilized problems appeared by cleaning machine on hand, and could reduce the risk of hospital inflecting, the cleaning stomach effect was comparatively good,it had practical value and deserve to critical expanding.

Cell Line ; Embryonic Stem Cells ; Genetic Vectors ; Green Fluorescent Proteins ; genetics ; Humans ; Lentivirus ; genetics ; Transfection

Animals ; Antioxidants ; pharmacology ; Fatigue ; prevention & control ; Male ; Mice ; Physical Exertion ; physiology ; Random Allocation ; Recombinant Proteins ; genetics ; metabolism ; pharmacology ; Superoxide Dismutase ; genetics ; metabolism ; pharmacology ; Swimming ; physiology

Objective To investigate the expression and tissue distribution of CD31 in the process of the calf cortical with partial cancellous bone xenograft, to explore the healing mechanism and relationship between bone remodeling and revascularization, and to provide a basis for the further study of tissue engi-neered bone.Methods Thirty-six New Zealand rabbits were selected as our experimental animals.All ani-mals were implanted with the calf cortical with partial cancellous bone.Specimens were procured at 4, 8, 12 and 24 weeks after surgery, respectively.The expression and tissue distribution of CD31 were observed in the process healing with general condition, X-ray, histology and immunohistochemistry.The image analy-sis computer system was used for quantitative analysis.The extent of revascularization and remodeling was separately represented by revascularization indexes and new bone areas.The relationship was studied be-tween bone remodeling and revascularization.Results ⑴ The X-ray showed significant healing.⑵ The positive expression of CD31 was seen in the whole process of bone xenograft and was different at various stage and sites.By the 4 weeks and 8 weeks postoperative,the strong positive expression was seen in the pe-ripheral soft tissue of graft bone, the callus of joint and the periphery of cartilage nests.Much positive ex-pression was seen in the cancellous bone.There was seen some single, cord, and cluster vascular endotheli-al cells.The positive expression was seen in the enlarged haversian canals and periphery.By the 24 weeks postoperative,the positive expression was seen in the enlarged haversian canals and periphery with increasing newborn capillaries.⑶ The correlation analysis between new bone areas and revascularization showed a closely positive correlation ( r =0.984).Conclusions The positive expression of CD31 was seen in the whole process of bone xenograft and was different at various stage and sites.The positive expression of CD31 reflected the extent of revascularization and bone remodeling of bone grafts.The extent of revascularization of bone grafts and bone remodeling showed a closely positive correlation.

OBJECTIVE To probe the pathogen′s distribution of ventilator-associated pneumonia(VAP),in order to offer the evidence of clinical therapy,prevent the onset of VAP and apply the antibiotics reasonably.METHODS We applied the methods of etiology,microscopic identification,bacteria culturing etc on 74 mechanical ventilation patients,and analyzed the etiology of early-onset and late-onset VAP in contrast.RESULTS Totally 121 pathogens were cultivated altogether in all 74 VAP patients.In the 36 pathogens which were cultivated from 29 early-onset VAP patients,there were 66.67% of simple culture(24 patients,24 strains) and 33.33% of co-culture(5 patients,12 strains),and in the 85 pathogens which were cultivated from 45 late-onset VAP patients there were 17.64% of simple culture(15 patients,15 strains) and 82.35% of co-culture(30 patients,70 strains).The proportion of co-culture in the late-onset VAP patients was prominantly higher than that in the early-onset ones(?2=27.821,P

Objective To determine the effect of lean mass and fat mass on bone mineral (BMD) in postmenopausal women of different age groups.Methods A total of 287 postmenopausal women (aged 50 years and over) participated in this study.Individuals were divided into 4 age groups by decades:group 1,50-59 yr (82 cases); group 2,60-69 yr (73 cases); group 3,70-79 yr (66 cases); group 4,80 years and over (66 cases).The BMD of lumbar spine (L2-4),left femoral neck and total hip were measured by dual-energy X-ray absorptiometry.Fat and muscle mass were analyzed by its analysis function and the percent of fat mass and muscle mass were calculated.Then data were processed by the SPSS 18.0 programme.Results One linear regression analysis showed that the L2-4 BMD was significantly associated only with body composition of trunk,while femoral neck (FN) and total hip (TH) BMD were respectively associated with body composition of different parts in group 1.L2-4 BMD was significantly associated only with trunk fat mass and muscle mass (r=0.27,0.25,both P＜ 0.05),but there were no relationships between BMD of FN and TH and body composition of different parts in group 2.The BMD of L2-4,FN and TH were significantly respectively associated with body composition of different parts in group 3 and 4.Conclusions In postmenopausal women,fat mass and muscle mass play an important role in BMD.In postmenopausal women aged 60-69 yr,the body composition has a minimal impact on BMD,and hormone replacement therapy may be the best for osteoporosis prevention and treatment in this period.Different exercise and loosing of weight in postmenopausal women of different ages can prevent osteoporosis and fragility fractures.

OBJECTIVETo observe the effect of total flavones of Epimedium leptorrhizum (YYH-C) on osteoporosis in ovariectomized rats.

METHODOvariectomized female rats were randomly divided into the model group, YYH-C lower, middle and high dose (0.7, 1.4, 2.8 g x kg(-1)) groups, the positive drug Bujiale (0.15 mg x kg(-1)) group, and the sham group. The rats were orally ad-ministrated with drugs for three months. Parathyroid hormone (PTH), procollagen I N-terminal peptide (PINP), alkaline phosphatase (ALP), calcium (Ca) and phosphrous (P) in serum were detected. Femur bones and vertebrae bones of left side were collected to determined bone metrological indexes, including bone mineral density (BMD), bone Ca, and bone ash weight/dry weight percentage. Femur bones of right side were collected to for a morphological observation of bone.

RESULTCompared with the sham group, the model group showed significantly higher PTH and ALP content but obviously lower PINP and Ca content. The three YYH-C 3 groups could resist the decrease of PINP. Specifically, low and middle dose groups could remarkably inhibit the increase of PTH, and the high dose group could increase the Ca content in serum, but without significant effect on the rise in ALP. There was no significant difference in P content in serum in each group. BMD, ash weight/dry weight percentage, Ca and P content of the model group were significantly lower than those in the sham group. The high dose YYH-C group could significantly increase BMD. All of the three YYH-C groups could notably increase ash weight/dry weight percentage and Ca, P content in femur bones and vertebrae bones. YYH-C could significantly increase average thickness, area, area percentage of bony trabeculae, cortical bone area percentage of femoral shaft and the number of osteoblasts on the surface of bony trabeculae, and decrease the number of osteoclasts.

CONCLUSIONYYH-C can effectively control the bone mass loss of rats with ovariectomy-induced osteoporosis, prevent the changes in bone microstructure, and inhibit bone absorption, so as to resist high turn-over osteoporosis after ovariectomy. [Key words] total flavones of Epimedium leptorrhizum; ovariectomized rat; osteoporosis

Alkaline Phosphatase ; metabolism ; Animals ; Bone Density ; drug effects ; Calcium ; metabolism ; Drugs, Chinese Herbal ; administration & dosage ; Epimedium ; chemistry ; Female ; Flavones ; administration & dosage ; Humans ; Osteoporosis, Postmenopausal ; drug therapy ; metabolism ; physiopathology ; Ovariectomy ; Parathyroid Hormone ; metabolism ; Rats ; Rats, Sprague-Dawley

At present, antibacterial drugs are widely used in the clinical treatment of infectious diseases. It is particularly impor-tant to focus on the safety of antibacterial drugs for the application improvement in the clinical treatment. The paper reviewed and sys-tematically analyzed the relative literatures in order to explain the pathomechanism of drug-induced renal injury caused by antibacterial drugs and propose some preventive measures. The study suggested that attention should be paid to the distribution and characteristics of the adverse drug reaction of antibacterial drugs to ensure the safe and proper administration of the drugs.

Object To investigate the stability of baicalin in different conditions Methods The stability of baicalin in water with different pH values, methanol, ethanol, chloroform and in the mouse lung homogenate, mouse liver homogenate, mouse plasma and bovine serum was investigated by the classical isothermal method Results The experiments showed the baicalin was stable in acidic water and these organic solutions, but unstable in basic water and these biological media Conclusion The stability of baicalin in different media was different, which should be considered in practice