Objective To assess the health-related quality of life in elderly patients with stable chronic obstructive pulmonary disease(COPD).Methods The patients were collected from the outpatient department,a tertiary hospital in ShaanXi Province.The demographic characteristics such as age,gender,weight and height were collected.Spirometry was performed for every patient after salbutamol 400 μg was inhaled.6-minute walk test was done according to the guidelines which developed by American Thoracic Society in 2002.Four questionnaires,including COPD Assessment Test (CAT),Clinical COPD Questionnaire-week Version (CCQ),St George's Respiratory Questionnaire for COPD Patients (SGRQ-C) and Chronic Respiratory Questionnaire-Self Administered Standardized Activities-First Administration Version (CRQ-SAS),were answered by every participant.Results Totally 90 participants were enrolled between September 2013 and September 2014.75 cases(83.3％) were male and 70 cases (77.8％) were smokers or ex-smokers,the mean age was (67.8±9.7)years,and the mean educational history was (8.9±3.0)years.The mean body mass index was (23.3 ± 3.6) kg/m2,and the mean post-brochodilator FEV1 was (51.2 ± 18.7) ％ predicted.The average 6-minute walk distance was (424.5 ± 99.1) meters.The average scores of CAT and CCQ were(20.4±6.9) and (2.4±0.8),respectively.The mean SGRQ-C score was (38.5 ± 16.2).The symptoms,activity and impacts average scores of SGRQ-C were (64.3± 18.8),(45.1 ±21.3) and (25.7 ± 16.1).For CRQ-SAS,the average scores of dyspnea,fatigue,emotional function and mastery were (2.9±1.3),(2.9±1.1),(3.0±1.1) and (2.9±1.1),respectively.There was a weak correlation between FEV1 and each questionnaire scores.There was a moderate correlation between 6-minute walk distance and SGRQ-C,CCQ and CRQ-SAS.However,there was a weak correlation between CAT and 6-minute walk distance.For 6-minute walk distance,activity score of SGRQ-C,impacts score of SGRQ-C and history of coronary artery disease were independent influencing factors.For BODE index,activity and impacts score of SGRQ-C were independent influencing factors.Conclusions CAT,CCQ,SGRQ-C and CRQ-SAS are suitable to assess health-related quality of life for elderly patients with stable COPD,among four questionnaires,SGRQ-C is the best one.

Objective To study the genotypes of ESBL-producing Enterobacteriaceae in Xi'an city.Methods Totally 125 ESBL-producing Enterobacteriaceae strains were randomly selected from five hospitals of Xi'an City,and TEM-type,SHV-type and CTX-M-type ESBL genes were amplified by PCR.Results Among the 125 ESBL-producing Enterobacteriaceae strains,TEM-type ESBL genes were amplified from 33 strains,SHV-type ESBL genes were amplified from 26 strains,CTX-M-type ESBL genes were amplified from 49 strains,and two or more type ESBL genes were amplified from 22 strains.Conclusion CTX-M-type ESBL are prevalent in ESBL-producing Enterbacteriaceae in Xi'an City.

Objective To explore the imaging appearances of periprosthetic osteolysis after total hip arthroplasty(THA).Methods Imaging appearances of periprosthetic osteoleysis after THA in 24 cases confirmed by surgery and pathological examination were retrospectively analyzed.Twenty-four patients underwent X-ray examinations,and 17 of them underwent CT scanning additionally.Results (1) Location and type:Of the 24 cases with periprosthetic osteoleysis,23 femurs were involved (95.8％,expansile type in 15 cases and liner type in 8 cases).Lesions were located in Gruen 1-2 and 6-7 region (34.8％) in 8 cases,in Gruen 1 and 7 region in 8 cases (34.8％),in Gruen 1-7 region in 6 cases (26.0％),in Gruen 2-3 and 6 region in one case (4.3％).A total of 21 actabulums were involved (87.5％,expansile type in 14 cases and liner type in 7 cases included),with lesions located in Delee Ⅰ-Ⅲ in 14 cases (66.7％),in Delee Ⅰ and Ⅲ in 4 cases (19.0％),in Delee Ⅱ-Ⅲ in 2 cases (9.5％) and in Delee Ⅰ-Ⅱ in 1 case (4.8％).(2) Features of lesions:Adjacent cortex of the lucency lesion appeared irregular thin in 24 cases (100％),focally discontinuous in 18 cases (75.0％),disrupted in 16 cases (66.7％),and accompanied by a few tiny bony fragments in 10 cases (41.7％).Cortical thickening were seen near the lucency lesion in 3 cases(12.5％).Twenty-one cases (87.5％) presented with sclerotic margins,18 cases (75.0％) with crateriform interface.Of the 17 cases which underwent the CT scanning,16 cases (94.1％)had soft tissue mass.(3) Change of the prosthesis:Twenty-one cases (87.5％) presented with linear wear,11 cases (45.8％) with bony defect near the screw.The screw penetration was seen in 3 cases (12.5％),fractured screws were seen in 2 cases (8.3％),and screw invagination was seen in 1 case (4.2％),metal debris was seen in 12 cases (50.0％).(4) Complications:Nineteen cases (79.2％) presented with femur periprosthetic loosening,16 cases (66.7％) with actabulum periprosthetic loosening.Eleven cases (45.8％) presented with femur periprosthetic fractures,5 cases (20.8％) with actabulum periprosthetic fractures.Two cases (8.3％) had periprosthetic dislocation.Conclusions Linear or expansile lucent lesion of the bones around the prosthesis after THA,together with soft tissue mass and the imaging of linear wear can be diagnosed as the periprosthetic osteolysis.

Objective:To explore the clinical efficacy of Budesonide and Formoterol Fumarate Powder in the treatment of patients with bronchial asthma and its effect on the serum levels of inflammatory factors.Methods:123 cases treated and diagnosed as bronchial asthma in our hospital from February,2014 to February,2016 were randomly divided into the observation group (65 cases) and control group (58 cases).The serum levels of IL-17,IL-33,MMP-9,pulmonaryfunction,quality of life,total effective rate and incidence of adverse reactions were compared between the two groups.Results:The total effective rate of observation group was 92.3％,which was significantly higher than that of the control group (81.03％,P＜0.05).After therapy,the serum level ofIL-17,IL-33 in both groups were largely decreased compared with those before therapy (p＜0.05),and those of observation group were significantly lower than the control group (p ＜0.05);the serum level of MMP-9 in both groups showed no statistical difference compared with that of before therapy.Similarly,the level of FEV1,PEF and FEV1/FVC of observation group were obviously increased compared with those before therapy (p＜0.05) and were significantly higher than those of the control group (p＜0.05);the quality of life in the observation group was better than that of the control group based on the SGRQ score (p ＜0.05).Conclusion:Budesonide and Formoterol Fumarate Powder was effective on the patients with chronic bronchial asthma,which could control the inflammatory reactions,improve the pulmonary function as well as the quality of life.

Objective To investigate the effects of dexmedetomidine continuous intravenous infusion on the hemodynamic response of ephedrine and the recovery process of patients undergoing neck surgery under general anesthesia.Methods Select elective fitting line surgery under general anesthesia of 100 patients with cervical disease from January 2015 to December 2015 in the First People's Hospital of Yongkang,randomly divided into low dose group and high dose group, 50 cases in each group, before induction of anesthesia, patients received continuous intravenous pumping of dexmedetomidine 0.4μg/kg in low dose group or 0.8μg/kg in high dose group,after ten mins 0.4μg/kg prior to anesthesia induction,until the end of operation withdrawal;5 min after laryngeal mask insertion, ephedrine 0.1 mg/kg were intravenous administered in two groups.Observe the following indicators:the after entering the operation room ( T0 ) , anesthesia before induction ( T1 ) , after induction ( T2 ) , administration of ephedrine ( T3 ) , the maximum value time(TBP,THR) of heart rate and blood pressure in 10 minutes.Increased of HR,SBP,DBP,recovery related indicators.Results HR, SBP and DBP levels compared no significant difference of T0 with two groups,T1, T2 and T3,HR,SBP, DBP were lower than T0 with two groups(P<0.05),high dose group were lower than low dose group of HR, SBP, DBP(P <0.05);TBP and THR no significant difference of two groups,high dose group were higher than low dose group of Increased of HR,SBP,DBP(P<0.05);high dose group were lower than low dose group of after extubation cough score and sedation agitation score(P<0.05).Spontaneous breathing recovery time and extubation time, called the open time, orientation recovery time,the difference between the two groups was not statistically significant.Conclusion 0.8μg/kg dexmedetomidine continuous intravenous injection of ephedrine in patients with neck pressor effect stronger than the 0.4μg/kg,0.8μg/kg compared with 0.4μg/kg can reduce the recovery period of cough and restlessness,different doses had no effect on recovery.

Objective To evaluate the value of MR threedimensional arterial spin labeling (3D-ASL) perfusion imaging and intravoxel incoherent motion(IVIM) DWI in differential diagnosis and quantitative analysis of musculoskeletal tumors.Methods Forty-four patients with musculoskeletal tumors were included.According to pathologic results,there were 12 cases of benign tumors,10cases of intermediate tumors and 22 cases of malignant tumors.3D-ASL and IVIM DWI were both performed on forty-four patients to gain tumor blood flow (TBF),standard ADC (ADCstandard),slow ADC (ADCslow)and fast ADC (ADCfast).Immunohistochemical staining of specimens was performed by using CD34 monoclonal antibody to calculate microvessel density (MVD) counts.MVD,TBF,ADCfast and ADCslow of different groups were compared by one-way ANOVA analysis.ADCstandard was compared by Kruskal-Wallis test.ROC curve was used to analyze ASL and IVIM DWI,in order to determine the threshold and diagnostic reliability.Results The MVD of benign tumors was 10±4,the MVD of intermediate tumors was 15±6,and malignant tumors was 33 ± 1 1.There was significant difference among three groups of MVD(F=28.33,P＜0.05).There was better intra-observer agreement for ADCstandard,ADCfast,ADCslow and TBF(ICC=0.970,0.885,0.778,0.891,respectively,P＜0.05).The TBF of benign tumors was(30±10)ml· min-1· 100 g-1,intermediate tumors was(30± 12) ml·min 1· 100 g-1,and malignant tumors was(84±29)ml·min 1· 100 g-1.There was significant difference among three groups of TBF(F=32.34,P＜0.05).According to the ROC analysis,when the cut-offvalue of TBF was 45.5 ml·min-1· 100 g-1,the area under ROC curve was 0.95 1,and the sensitivity and specificity of TBF in diagnosing malignant tumors were 90.9％ and 95.5％ respectively.There was no significant difference among three groups of ADCstandard,ADCfastand ADCslow of benign tumors were(9.9±5.1)× 10-3,(1.9±0.5) × 10-3mm2/s respectively.ADCfast and ADCalow of intermediate tumors were(8.2 ± 3.6) × 10-3,(1.5 ± 0.6) × 10-3mm2/s respectively.ADCfast and ADCalow of malignant tumors were (16.9 ± 5.8) × 10 3,(1.4 ± 0.6) × 10-3mm2/s respectively.There were significant difference of ADCfast and ADCslow among three groups (F=12.75,5.60,P＜ 0.05).According to the ROC analysis,when the cut-off value of ADCfast was 9.4× 10-3mm2/s,the area under ROC curve was 0.861,the sensitivity and specificity of them in diagnosing malignant tumors were 95.5％ and 68.2％ respectively.Conclusion 3D-ASL and IVIM DWI are valuable in the differential diagnosis of musculoskeletal tumors.

Objective To explore the relationship between the tumor angiogenesis index (microvessel density,MVD)and biological behavior of the tumor.To analyze the correlations between TBF,standard ADC,fast ADC,slow ADC and MVD counts.Methods From March 2013 to June 2013,a total of 40 patients were involved in the study.3D-ASL and IVIM DWI were both performed on patients with musculoskeletal tumors.TBF,standard ADC,slow ADC,fast ADC were measured by regions of interest.Immunohistochemical staining of specimens were performed by using CD34 monoclonal antibody to calculate MVD counts.Group differences in MVD were assessed by using one-way ANOVA.The correlations between TBF,standard ADC,fast ADC,slow ADC and MVD counts were evaluated using Pearson correlative analysis.Results The MVD of benign tumors was (10.38±4.58)/0.26 mm2,the MVD of intermediate tumors was (14.64±6.69)/0.26 mm2,and the MVD of malignant tumors was (32.97±11.61)/0.26 mm2.The differences of MVD among three groups were statistically significant (F=28.83,P＜0.05).The differences of MVD between benign and malignant group were statistically significant (P＜0.05),as well as intermediate and malignant group (p=0.000).There was a significant positive correlation between TBF and MVD (r=0.784,P=0.000),as well as the correlation between TBF and fast ADC(r=0.727,P=0.000).There was a moderate positive correlation between fast ADC and MVD (r=0.516,P=0.000).There were no significant correlation between slow ADC and MVD,or between standard ADC and MVD.Conclusion The MVD represents the angiogenesis of musculoskeletal tumors,reflecting biological behavior of the tumor.ASL and IVIM DWI can be applied to evaluate the angiogenesis of musculoskeletal tumors by reflecting MVD of musculoskeletal tumors in vivo as a completely noninvasive technique.

Objective To investigate the effects of dexmedetomidine combined with sevoflurane on elderly patients with postoperative recovery quality.Methods Selected 60 cases of abdominal rectal cancer resection for elderly patients,which were ASA I or II,were randomly divided into two groups by a random number table method, while each groupincluded 30 cases:the control group( group N) and the dexmedetomidine group( group D) .Before the induction of anesthesia,group D vein was injected with micro pump ( more than 10 min) of dexmedetomidine 1μg/kg ( which was formulated with physiological saline as 4μg/mL) ,and then was given to maintain the dexmedetomidine 0.5μg/h and N group was injected with micro pump of the same volume of normal saline.The two groups of anesthesia were same,by which the static inhalation of composite general anesthesia.Observation were recorded before induction of anesthesia(T0),given dexmedetomidine(TI),after intubation 1 min(T1),5 min(T2),drawing tube immediately (T3),extubation after 5min(T4),30min(T5)the time of HR,BP,SpO2,BIS;propofol and remifentanil dosage,opera-tive time,operation time,a nesthesia time,recovery time,drawing tube time,extubation after Ramsay Sedation score, pain score,patient satisfaction and adverse reactions were recorded.Results In T3 period,the changes of HR (82 ± 14)times/min,SBP (130 ±8)mmHg,DBP (85 ±13)mmHg in group N were more obvious than (70 ±12)timse/min, SBP (121 ±7)mmHg,DBP (79 ±9)mmHg in group D,the difference between the two groups had statistical signifi-cance(t=6.28,4.63,2.08,all P<0.05).In T5 period,the levels of blood glucose (5.3 ±1.1)mmol/L and cortisol (402 ±78) nmol/L and ( 0.260 ±0.044 ) ng/L in group D were significantly lower than ( 5.9 ±1.2 ) mmol/L, (550 ±92)nmol/L,IL-6 (0.300 ±0.066)ng/L in group N(t=2.02,6.72,2.76,all P<0.05).However,the composite of dexmedetomidine group D patients with respiratory recovery time(7.5 ±2.3)min,calling the eyes open time(7.8 ±2.5) min,pull out the time of endotracheal tube (14.2 ±3.3) min compared with groups N of patients with respiratory recovery time (7.8 ±2.5)min,calling the eyes (14.8 ±3.2)min,pull out the time of endotracheal tube (13.9 ±3.1)min,showed no statistical significance (t=0.88,0.44,0.36,all P>0.05).In group N,postoper-ative restlessness in 8 cases,nausea and vomiting in 10 cases,chills in 9 cases,which were significantly higher than 2 cases,2 cases,2 cases in group D(χ2 =4.32,6.67,5.45,all P<0.05).At the same time,the satisfaction score of patient in group D (3.0 ±0.3)point,which was significant higher than (2.7 ±0.5)points in group N (t=1.88,P<0.05).Conclusion Dexmedetomidine detomidine composite sevoflurane anesthesia can improve the postoperative re-covery quality of elderly patients with rectal cancer radical surgery.

Objective To evaluate the effect of dexmedetomidine and tramadol on perioperative insulin resistance in patients undergoing radical resection of rectal carcinoma.Methods Sixty ASA I or II patients undergo-ing radical resection of rectal carcinoma were randomly divided into 3 groups(n =20 each):dexmedetomidine group (group D),tramadol group(group T),control group(group C).Group D was given dexmedetomidine intravenously at 1μg/kg 15min before induction of anesthesia followed by a continuous infusion of 0.5μg·kg -1 ·h -1 until the abdo-men was closed,and group T was given tramadol intravenously at 1.5mg/kg 15min before induction of anesthesia fol-lowed by a continuous infusion of 0.5mg·kg -1 ·h -1 until the abdomen was closed,whereas group C received the same volume of normal saline.Venous blood samples were taken at 30min before anesthesia induction(T1 ),1 h after the beginning of the operation(T2 ),1h after operation(T3 ),24h after operation(T4 )for determination of blood con-centrations of glucose(BG),insulin(INS),interleukin -6 (IL -6),tumor necrosis factor -α(TNF -α).Insulin resistance(HOMA -IR)and insulin sensitivity index(QUICKI)were calculated.The numbers of patients with PONV were studied respectively.Results The serum IL -6,TNF -α,BG,INS concentrations and HOMA -IR were signifi-cantly lower while ISI was significantly higher in both group D[t =7.71,3.37,8.78,8.73,11.45,2.82(T2 ),3.04, 2.95,12.75,10.73,16.09,2.92(T3 ),11.26,2.45,11.40,5.10,14.5,2.51(T4 ),all P <0.05]and group T[t =3.02,2.59,2.93,7.76,6.32,2.03(T2 ),8.78,2.27,4.14,8.83,7.68,2.12(T3 ),6.10,2.05,3.71,2.35,7.12, 2.09(T4 ),all P <0.05]at T2 ,T3 and T4 than those in group C.The serum TNF -αconcentration and HOMA -IR were significantly lower while ISI was significantly higher in group D[t =6.68,4.58,2.05 (T2 ),9.01,6.66,2.23 (T3 ),7.54,5.5,2.02(T4 ),all P <0.05]at T2 ,T3 and T4 than those in group T.The numbers of patients with PONV were significantly higher in group T than those in group D and group C (χ2 =26.13,18.75,all P <0.05 ). Conclusion Both dexmedetomidine and tramadol can attenuate perioperative insulin resistance in patients undergo-ing Radical Resection of Rectal Carcinoma,and the decrease the consentrations of IL -6 and TNF -αmay be involved in the mechanism.The roles of prevention of perioperative insulin resistance in dexmedetomidine group are superior to tramadol group.The incidence of PONV is less in a dexmedetomidine group than that in a tramadol group.

Objective To evaluate the effect of preoperative sleep disturbance on efficacy of postoperative analgesia and comfort in patients undergoing colorectal cancer resection surgery.Methods 60 colorectal cancer patients with elective anesthesia laparoscopic radical resection were selected.According to the presence or absence of preoperative sleep disorders,they were divided into the sleep disorder group (group A) and non-sleep disorders group (group B),30 patients in each group.Two groups of patients used the same method to maintain anesthesia induction.Intraoperative intravenous nicardipine controlled hypotension in parallel to maintain MAP 60-75mmHg,HR 65-95times/min.The patients received PCIA pump at the end of surgery.Postoperative 24h VAS scores were maintained VAS score ≤3 points,when VAS score ＞ 3 points,given the pressing PCA analgesia remedy.The remedy situation within 24 hours after surgery and comfort analgesic score were recorded.Results Compared with group B,postoperative PCIA pressing number of group A significantly increased [A group:(11 ± 5),group B:(6 ± 5),t =2.44,P ＜ 0.05].At the end of surgery,postoperative 2h,4h,8h pain scores of group A were (2.8 ± 0.4),(2.5 ± 0.7),(3.2 ± 0.6),(3.5 ± 0.5),respectively,which were significantly higher than those of group B [(1.8 ± 0.5) points,(1.8 ± 0.4) points,(1.9 ± 0.3) points,(2.9 ± 0.3) points; at the end of surgery t =5.78,postoperative 2h t =4.56,postoperative 4h t =4.17,postoperative 8h t =2.09,all P ＜ 0.05],but postoperative 12h,24h had no significant change in pain scores (P ＞ 0.05).Compared with group B,the comfort scores of A group at the end of surgery,postoperative 2h,4h,8h,12h[group A:(2.8 ±0.3) points,(2.5 ±0.9)points,(2.6 ±0.9) points,(2.5 ±0.5) points,(2.9 ± 0.6) points ; group B:(3.8 ± 0.4) points,(3.3 ± 0.5) points,(3.6 ± 0.8) points,(3.3 ± 0.3) points,(3.3 ± 0.6) points] were significantly lower (at the end of surgery t =9.87 ; postoperative 2h t =4.94 ; postoperative 4h t =6.87 ; postoperative 8h t =7.61 ; postoperative 12h t--2.79,all P ＜ 0.05),after 24h comfort score had no significant change (P ＞ 0.05).Conclusion Preoperative sleep disorders can affect laparoscopic colorectal cancer after radical surgery analgesia and comfort of patients.