Objective To investigate the factors associated with hospital infection in old inpatients with Alzheimer's disease. Methods 368 old inpatients with Alzheimer's disease were reviewed and analyzed with Logistic regression. Results There were 95 cases (25.81%) suffered in hospital infection to 116 case-times. As multivariate regression analysis, activities of daily living (OR=8.398, 95% CI: 5.343~12.098), invasive intervention (OR=2.842, 95%CI: 1.445~3.365), no insight (OR=4.457, 95%CI: 2.789~8.853), long-term use of antibiotics (OR=3.348, 95%CI: 1.693~6.336), chronic in bed (OR=3.258, 95%CI: 1.583~6.154), and antipsychotic drug (OR=2.243, 95%CI: 1.427~5.583) increased the risk of hospital infection independently, and ventilated timely (OR=0.546, 95%CI: 0.334~0.867) reduced the risk. Conclusion Good performance of basic and living nursing, less invasive intervention, reasonable use of antibiotics, antipsychotic monitoring,and intensive sterilization may reduce the incidence of hospital infection in inpatients with Alzheimer's disease.

Objective To analyze the clinical effect of atorvastatin combined with conventional cardiovascu-lar drugs therapy in treatment of coronary heart disease.Methods 200 patients with coronary heart disease were col-lected.They were randomly divided into the observation group(n =100)and control group(n =100).The observation group was given atorvastatin combined with cardiovascular routine treatment for 1 year,the control group was given cardiovascular routine therapy for 1 year.The clinical effect and serum levels of TC,HDL -C,LDL -C were ana-lyzed.Results After treatment,the total effective rate of the observation group was 95%,which was significantly higher than 75% of the control group (χ2 =16.33,P =0.00 <0.05).According to the gender stratification,the effec-tive rates of the observation group were higher than the control group in men and women (men:96% vs 80%,χ2 =6.35,P =0.04 <0.05,women:94% vs 70%,χ2 =10.08,P =0.00 <0.05).Before treatment,there were no signifi-cant differences between the two group about the serum levels of TC,HDL -C,LDL -C[TC:(6.49 ±0.42)mmol/L vs (6.53 ±0.51)mmol/L,t =1.28,P =0.10 >0.05;HDL -C:(1.35 ±0.23)mmol/L vs (1.29 ±0.32)mmol/L, t =1.51,P =0.15 >0.05;LDL -C:(4.54 ±0.62)mmol/L vs (4.48 ±0.61)mmol/L,t =0.84,P =0.20 >0.05]. After treatment,the serum levels of TC,HDL -C,LDL -C of the observation group were significantly better than those of the control group[TC:(3.39 ±0.31)mmol/L vs (5.78 ±0.64)mmol/L,t =2.36,P =0.02 <0.05;HDL -C:(1.63 ±0.42)mmol/L vs (1.32 ±0.51)mmol/L,t =2.87,P =0.00 <0.05;LDL -C:(2.37 ±0.42)mmol/L vs (3.95 ±0.43)mmol/L,t =2.62,P =0.01 <0.05].Conclusion Atorvastatin can reduce blood fat,improve the prognosis of disease,it is superior to the traditional treatment.

Objective To evaluate the feasibility and significance of CT image-based threedimensional (3D) brachytherapy for cervical cancer.Methods Three-dimensional (3D) plan and twodimensional (2D) plan were designed for 55 CT images of brachytherapy from 12 cervical cancer patients who received radical radiotherapy in 2013.Dosimetric comparison was performed between the 3D plan and 2D plan,and paired t-test,Wilcoxon signed rank test,Pearson correlation analysis,and Spearman correlation analysis were performed.Results A point dose,D90,V100,CI,and CI' in 3D plan were higher than those in 2D plan (P=0.015,0.016,0.000,0.000,0.000).Bladder point dose,rectal point dose,and rectal D2 cm3 in 3D plan were slightly higher than those in 2D plan,but hot spot dose was significantly reduced in 3D plan (P =0.140,0.123,0.214).Bladder D2cm3 was significantly higher than bladder point dose (P =0.000).Sigmoid colon D2cm3 was more correlated with the average doses of the three highest rectal points than rectal D2 cm3 (r =0.314,0.630,P =0.000,0.000).V100 showed a linear relationship with high-risk CTV (r =0.981,P =0.000).Bladder D2cm3 was higher than 430 cGy when the bladder volume was more than 80 cm3 ;small intestinal D2 cm3 did not change significantly when the bladder volume was less than 115 cm3,but decreased significantly once the volume exceeded the value.Conclusions Compared with the traditional 2D plan,the 3D plan for CT image-based cervical cancer brachytherapy significantly increases the target coverage and conformity index,but does not significantly increase the doses to organs at risk.Point dose evaluation is confirmed to be inaccurate.The doses to the bladder,rectum,and small intestine can be adjusted by controlling the bladder volume.

Objective To investigate the imaging manifestations of metastasis in the nasal cavity and paranasal sinuses. Methods Twelve lesions of 10 patients with pathologically proved metastasis were retrospectively reviewed, including 6 renal clear cell carcinoma, 2 pulmonary adenocarcinoma, 1 colorectal carcinoma and 1 hepatic carcinoma. All the patients underwent CT and MRI scan.Among them,9 patients had contrast enhanced MRI scan and 5 patients had dynamic contrast-enhenced MRI as well. The location, bone changes, shape,margin,density,signal intensity, and enhancement characteristics of the lesions were observed. Results The metastasis involved spheno-ethmoid area(n=3), ethmoid sinus (n=2), maxillary sinus (n=2), nasal cavity(n=2), fronto-ethmoid area(n=2) and sphenoid sinus (n=1). All 12 metastatic lesions demonstrated bone destruction with tumor bone formation in 1 lesion. The CT displayed 10 metastases showed equal density, one mixed density was high, another form of low-density mixed. MR imaging showed equal signal in 9 lesions, while low-mixed signal in 3 lesions on T1WI compared with grey matter were found. On T2WI, 11 lesions showed high mixed signal and homogeneous low signal in 1 lesion. All 12 lesions demonstrated markedly heterogenous enhancement after intravenous administration of contrast media. Of 5 cases with dynamic contrast-enhanced MRI scanning, 4 lesions demonstrated wash-out time-signal intensity curve (TIC) pattern and 1 lesion demonstrated plateau pattern. Conclusions Renal carcinoma is the most common primary tumor for nasal cavity and paranasal sinuses metastasis. A typical imaging finding is located in the ethmoid sinuses, the soft tissue mass surrounded with rich blood supply multiple sinuses and significant bone destruction.

【Objective】To investigate the antianxietic action of Xiaoyao San(XS)and Dan Zhi Xiaoyao San(DZXS).【Methods】 Wistar rats were randomized into 5 groups: model control group,high-and low-dose DZXS groups(14.4?g/kg and 7.2?g/kg respectively),and high-and low-dose XS groups(21.06?g/kg and 10.53g/kg respectively).Social interaction test and open-field test were carried out to observe the antianxietic action of XS and DZXS.Except that the model group was given normal saline,the rats in other groups were given the corresponding drugs according to the experimental design for 14 successive days.After treatment,the activities within 5 min were monitored by two observers and then the mean value were calculated.【Results】High-and low-dose DZXS prolonged rats social interaction time and increased the times of body erection and dressing their hair,and low-dose XS also increased the times of body erection and dressing their hair(P

【Objective】To investigate the effects of Dan Zhi Xiaoyao San(DZXS) and its extracts on hypothalamic corticotropin releasing hormone(CRH) and plasma corticosterone(CORT) in rats with chronic psychological stress.【Methods】Wistar rats were randomized into 6 groups: A(normal control),B(model control),C (extract of DZXS extracted by water extraction and alcohol precipitation,3.608?g/kg),D(extract of DZXS extracted by petroleum ether,0.087?g/kg),E(extract of DZXS extracted by polysaccharide,2.20?g/kg) and F(DZXS 14.4?g/kg).Except group A,the rat models of chronic multi-phase psychological stress were established in other groups by improved Cart method.Groups A and B were given normal saline,and groups C,D and E were given the corresponding drugs according to the experimental design.Hypothalamic CRH and plasma CORT contents were examined to explore the therapeutic mechanism.【Results】Compared with group A,hypothalamic CRH and plasma CORT contents were increased in group B;hypothalamic CRH content was decreased in groups C,E and F(P

Objective To observe the content changes of corticosterone and gastrointestinal hormones in serum of chronic multi-stress rats and to investigate the effect of Xiaoyao Powder and Chaihu Shugan Powder.Methods Wistar rats were randomly allocated to four groups:normal group(group A),model group(group B),Xiaoyao Powder group(group C),Chaihu Shugan Powder group(group D)etc.Chronic multi-sress models were established in all the rats except those of normal group.Xiaoyao Powder group and Chaihu Shugan Powder group were respectively given the corresponding drugs for 21 days.Normal group and model group were administered the equal amount of normal saline by gavage.After the administration,the open-field test was used to observe the behavior changes of the rats,and the radioimmunoassay method was adopted to detect the serum corticosterone and gastrin contents and plasma motilin level.Results Compared with the normal group,the body weight of model group was decreased(P

Objective To characterize the ocular findings on MRI in patients with Vagt-Koyanagi-Harada syndrome (VKHS)and its value for diagnosis. Methods The MRI findings of eyes in 14 patients (7 males, 7 females, age ranged 10-62 years) with VKHS were retrospectively analyzed. Results Choriodai thickening was found bilaterally in all 14 patients with isointense signal on T2 and T1 weighted images. Exudative retinal detachment was found in 6 patients (12 eyes) and 5 cases (10 eyes) showed abnormal thickening and enhancement of iris. Two cases were accompanied with optic neuritis. Homogeneous enhancement of lesions after administration of gadopentetate was observed in 11 patients. Conclusion M RI can characterize the ocular lesions and their extent in patients with VKHS, which makes MRI as a useful method to diagnosis and the follow-up of these patients.

ObjectiveTo investigate the effect of arterial stiffness on systolic deformation in hypertensive disease.MethodsSixty essential hypertensive patients were enrolled, including 25 cases with left ventricular normal geometric (group LVN) and 35 cases with left ventricular hypertrophy (group LVH) in the Affiliated Hospital of Qingdao University during July 2013 to March 2014. Thirty patients in the control group were enrolled in the same period. The peak systolic strains and strain rates were determined by using velocity vector imaging. Stroke volume was obtained by using real-time three-dimensional echocardiography. And pulse pressure/stroke volume was used as a surrogate index of arterial stiffness. Pulse pressure/stroke volume, the differences of strain and strain rate in three groups were compared by analysis of variance, and SNK-q test was used for further comparison between two groups. Multiple linear regression was performed to estimate predictors for systolic longitudinal deformation. Pearson?s correlation was used to analysis the relevance of systolic longitudinal strain and body mass index, triglyceride, left ventricular ejection fraction, age, left ventricular mass index, pulse pressure/stroke volume.ResultsPulse pressure/stroke volume were (1.26±0.45) mmHg·m2·ml-1, (1.53±0.59) mmHg·m2·ml-1, (1.82±0.43) mmHg·m2·ml-1 (1 mmHg=0.133 kPa) in the control group, LVN, LVH respectively. The systolic strains and strain rates in the control group, LVN, LVH were recorded as follows:systolic longitudinal strains were (23.60±1.94)%, (19.69±2.56)%, (17.34±2.48)%, the systolic longitudinal strain rates were (1.64±0.17) s-1, (1.52±0.14) s-1, (1.38±0.18) s-1; the systolic radial strains were (28.69±5.2)%, (30.81±4.14)%, (26.53±3.50)%, the systolic radial strain rates were (2.51±0.56) s-1, (2.60±0.45) s-1, (2.00±0.41) s-1; the circumferential strains were (24.50±5.21)%, (24.01±4.60)%, (21.00±3.70)%, the circumferential strain rates were (1.38±0.38) s-1, (1.30±0.30) s-1, (1.10±0.26) s-1. Pulse pressure/stroke volume was higher in LVN and was more pronounced in the LVH group compared with the control (LVN/LVH with the control group:q=2.90, 6.56, LVN with LVH:q=3.22, allP<0.05). The strains and strain rates in LVH were lower than those of LVN and the control group, and the differences were statistically significant. (longitudinal strains:q=15.22, 5.43; longitudinal strain rates:q=8.88, 4.54; radial strains:q=2.85, 5.36; radial strain rates:q=6.10, 6.81; circumferential strains:q=4.42, 3.61; circumferential strain rates:q=5.04, 3.42; allP<0.05). The strains and strain rates in LVN were lower than the normal group, the signiifcant differences of the longitudinal strains and longitudinal strain rates were found (q=8.73, 3.77, bothP<0.05) while there were no statistically signiifcant differences of radial strains and radial strain rates, circumferential rates and circumferential strain rates. In a multivariate analysis, LVMI and AS were found to be predictors for systolic longitudinal strain. Body mass index, triglyceride, left ventricular ejection fraction, age, left ventricular mass index and pulse pressure/stroke volume were negatively related to systolic longitudinal strain (r=-0.10,-0.09,-0.14,-0.42,-0.56, allP<0.05) by Pearson?s correlation, while LVEF was positively related to mean systolic longitudinal strain (r=0.13,P<0.05).ConclusionArterial stiffness is suitable as an predictor for left ventricular systolic deformation in hypertensive disease.

Objective To study the CT and MR characteristic features of the respiratory epithelial adenomatoid hamartoma of olfactory clefts. Methods (1)The CT and MRI findings of 29 patients with histologically proved respiratory epithelial adenomatoid hamartoma in the olfactory clefts were retrospectively reviewed.All patients underwent CT and 8 of them underwent MRI. Location, CT and MRI features, and associated findings of the disease were reviewed;(2)The CT findings, olfactory clefts width, total nasal distance, and the ratio of OC to the total nasal distance of the case patients (29 cases) and the control patients (33 patients with sinusitis) were compared to investigate the correlation of the olfactory clefts distance and the incidence of respiratory epithelial adenomatoid hamartoma in olfactory clefts. Results All patients were associated with sinusitis, and 23 had sinonasal polyps, 1 had papilloma. On nonenhanced CT, the OC lesions with the OC widening were isodense to gray matter in all cases, and the lesions caused the adjacent bony expansion and absorption rather than erosion; 15 cases were bilateral diseases and 14 were unilateral;The olfactory clefts width of the case patients and the control patients were (1.03±0.24) cm, (0.71± 0.17) cm, respectively. There was statistically significant difference (t=4.963, P<0.01) for the olfactory clefts width between the case patients and the control patients, and there was no significant difference (t=1.640, P>0.05) for the total nasal distance, and was significant difference(t=6.029,P<0.01)in the ratio of OC to the total nasal distance between the two groups. On T1WI, the disease appeared isointense in 6 patients and slightly hypointense in 2 patients compared with gray matter. On T2WI, the lesions revealed heterogeneous isointense in all patients. Regular cribriform pattern was found on MR T2WI and enhanced TlWI. Conclusions The unilateral or bilateral olfactory cleft opacification in chronic sinusitis patients with or without sinonasal polyposis, with involved OC widening and the adjacent bony walls compressed and remodeled may highly suggests the presence of REAH in the OC. The lesions showed inhomogeneous isointense signal on T2WI images, regular cribriform pattern enhancement are typical imaging feature of this entity.