Objective To explore the clinical effect of anterior combined with posterior fixation and vertebra reconstruction for unstable lumbar burst fracture via small incision alone posterior median line.Methods This study was based on 40 patients suffering from unstable lumbar burst fracture,who underwent anterior combined with posterior fixation and vertebra reconstruction.All the patients were followed up for 1～2 years.The shape and the function of spinal column were estimated in preoperative stage,postoperative stage and the duration of following.The data in the formal 3 stages were compared.Results Between the preoperative and postoperative data,there were statistically significant differences in the Cobb's angle,angle of kyphosis,anterior height of the fracture vertebral body,sagittal index and JOA scores(t=34.085,31.604,27.988,23.798,31.834,all P＜0.05).But no similar result was detected between the postoperative data and the data during the following(P＞0.05).Conclusion Anterior combined with posterior fixation and vertebra reconstruction via small incision had a significant effect in unstable lumbar burst fracture,and it was worthy of further study and clinical popularization.

Objective To explore the relationship between human papilloma virus(HPV)andUreaplasma urealyticum (UU)in-fection in women.Methods A total of 412 outpatient women were checked for 23 HPV DNA types by PCR-RDB.The patients were divided into observation group with HPV infection and control group(random selection 50 cases without HPV infection).UU was detected by real-time quantitative PCR in two groups.Results The HPV positive rate was 12.86%(53/412).16 of 23 HPV types were detected.HPV52 was the most common type.The positive rates of UU for observation group(60.38%,32/53)was sig-nificantly higher than control group(30.00%,15/50),P <0.05.Conclusion The reproductive tract HPV infection in women is re-lated to UU infection.It should be paid attention to in the clinical treatment.

ObjectiveTo compare the clinical efficacy of surgical treatment and non-surgical treatment of humerus surgical neck fracture for elderly patients. Methods106 elderly patients who were diagnosed of fracture of surgical neck of humerus were selacted as the research object, of which 56 patients underwent surgical treatment using locking compression plate ( Operation group ), 50 patients underwent non - surgical treatment using skin traction smoothing method( Control group) ,all the patients were followed up for 6 to 10 months,the clinical efficacy and complications were eorpared. ResultsOperation group, good rate of 83.9％, significantly higher than contra group,good rate of 60.0％ ,the difference was statistically significant ( x2 = 7.61, P ＜ 0.01 ). Operation group, no postoperative complications,5 cases of non- surgical complications, two groups had significant differences in complications (x2 =3.86, P ＜ 0.05 ). ConclusionSurgical treatment of humeral surgical neck fractures in elderly rehabilitation had better efficacy, fewer complications.

OBJECTIVE:To provide basis and advices for the research of new traditional Chinese medicine (TCM) in Sichuan province.METHODS: The data of the application and registration of TCM treated as new medicine and new TCM in Sichuan province from 2001 to 2006 were analyzed and evaluated statistically.RESULTS: The number of the application was growing but new medicine was countable with low approval rate.The research institutes hadn’t played a prominent role in the research of new drug.CONCLUSION: The innovation and research of original TCM and the transformation of achievement should be enhanced to achieve the goal of a strong province on TCM.

Objective To evaluate the value of whole body 18F-FDG PET/CT in detecting small intestine adenocarcinoma (SIA).Methods A retrospective study of 18F-FDG PET/CT was performed on 29 cases (male 17,female 12) of SIA,21 cases of small intestine lymphoma (SIL) (male 15,female 6) and 10 cases of small intestine tuberculosis (SIT) (male 4,female 6).Visual and semi-quantitative methods (SUVmax) were used to summarize and analyse the 18F-FDG PET/CT resutls.One-way analysis of variance and x2 test were used to analyze the data.Results (1) 18F-FDG PET/CT for SIA showed a partially conglomerate pattern of hypermetabolic small bowel masses with nodular configurations.A typical SIL showed a partially annular abnormal growth with aggregated foci of radioactivity.SIT lesions were usually in form of stripes and/or nodules with high metabolic foci or lesions withskipped distribution.The SUVmax of SIA (8.44±3.82) was significantly lower than that of SIL (11.54±4.02; F=86.96,t=2.77,both P＜0.01),but not significantly different when compared with SIT (8.61±2.99; t=0.11,P＞0.05).(2) The incidence rates of peri-lesion lymph node enlargement in SIA,SIL and SIT were 72.41％ (21/29),85.71％ (18/21) and 70.00％ (7/10),respectively (x2 =1.50,P＞0.05).The SUVmax of peri-lesion lymph nodes in SIA (5.59±2.86) was significantly lower than that of SIL (11.10±5.72; F=56.56,t=3.85,both P＜0.01),but was not significantly different when compared with SIT (5.63± 3.36; t =0.30,P＞ 0.05).The detection rate of PET/CT on pefi-lesion lymph node enlargement of SIA was higher than CT (41.38％,12/29; x2 =5.69,P＜0.05).(3) The incidence rate of extra-intestinal metastases was 55.17％ (16/29) in SIA,and the most common metastatic sites were liver,bone and adrenal gland.The incidence rate of extra-intestinal lesions was 66.67％ (14/21) in SIL,most commonly presented as widespread multifocal nodal permeation.Extra abdominal tuberculous loci were found in 80.00％ (8/10) of SIT.The incidence rates of extra-intestinal involvement were not significantly different among SIA,SIL and SIT (x2=2.13,P＞0.05).(4) Among the 29 SIA cases,15 (51.72％) involved the ileum,8 (27.59％) jejunum,4 (13.79％) both jejunum and ileum,and 2 (6.90％) both jejunum and duodenum (x2 =18.16,P＜0.01).(5) Among the 29 SIA cases,primary SIA was found in 8 cases (27.59％),double primary in 7 cases (24.14％) and metastatic SIA in 14 eases (48.28％).(6) Based on the clinical data,pathological results and clinical follow-up,the diagnosis of SIA by 18F-FDG PET/CT had a sensitivity and specificity of 93.10％ (27/29) and 80.00％ (8/10),respectively.Conclusions 18F-FDG PET/CT is useful for the differential diagnosis of S1A and for supporting the diagnosis of single primary,multi-primary and metastatic SIA.

Objective To study the relationship between the 18F-FDG PET/CT whole body imaging characteristics and pathologic features of small intestine primary malignant neoplasms.Methods A retrospective study was carried out on 18F-FDG PET/CT data of patients(n =44)with small intestine disease(25 malignant,19 benign).All results were proved by pathologiy,or diagnostic therapy and/or clinical follow-up.The intestinal wall thickness(IWT)and maxium standardized uptake value(SUVmax)were used to analyze the imaging features under different pathological conditions.Results(1)The incidence rate of local tumor formation for benign and malignant intestinal lesions was 31.6％ and 84.0％(x2 =10.40,P ＜ 0.01),respectively.The IWT was(0.75 ± 0.32)cm and(1.42 ± 0.20)cm(t =2.66,P ＜ 0.01),respectively.The S UVmax was(5.17 ± 3.04)and(9.65 ± 5.48)(t =2.88,P ＜ 0.01),respectively.The incidence rate of enlargement of mesenteric lymph nodes for benign and malignant intestinal lesions was 52.6％ and 72.0％(x2 =1.01,P ＞ 0.05),respectively.The SUVmax was(4.80 ± 1.91)and(7.00 ± 5.61)(t =1.11,P ＞ 0.05),respectively.(2)The metastasis incidence rate of other organs for intestinal malignant lesions was 44.0％.The most common metastasis organs were liver(28.0％),distant lymph nodes(20.0％)and bone (16.0％).The most pathological type of intestinal malignant lesions were malignant lymphoma(44.0％),adenocarcinoma(32.0％).The IWT was(1.41 ± 0.59)cm and(1.36 ± 0.62)cm(t =0.18,P ＞ 0.05),respectively.The SUVmax was(12.49 ± 7.00)and(7.93 ± 2.82)(t =7.55,P ＜ 0.01),respectively.The metastasis incidence rate was 9.1％ and 62.5 ％(x2 =3.89,P ＜ 0.05),respectively.(3)Taking the intestinal local tumor formation and SUVmax andnot less than 4.2 0 wall thickening,and / or metastasis as the main basis of the intestinal malignant lesions,the sensitivity,specificity and accuracy were 96.0％,94.7％ and 95.4％,respectively.The main pathological type of false positive for '8F-FDG PET/CT imaging was intestinal tuberculosis,and false negative was signet(f)ing cell carcinoma.Conclusion 18F-FDG PET/CT imaging has a higher clinical diagnosis value in differentiating small intestine primary malignant carcinoma from benign ones.The size and SUVmax of perifocus lymph nodes could not point out its malignant degree.The 18F-FDG uptake of the lesions is correlated with pathological type.The IWT is not correlated with pathological type.

Objective To investigate the clinical value of the decfion of percentage of pulmonary perfusion defect score (PPDS％) in patients with pulmonary embolism (PE).Methods A retrospective study was carried out on PPDs％ data of patients(n =36) with clinical confirmed PE.The patients were divided into three levels:low (PPDS％ ＜30％),medial (30％ ≤PPDS％ ＜50％) and high (PPDS％ ≥50％) risk groups,according to the standard of PPDs％ diagnosis.the PPDS％ and the incidence rate of the clinical adverse events were compared in mild,moderate and severe risk PE.The therapeutic results were compared with the PPDS％ changes.Results The mild,moderate and severe risk patients with PE were 15 cases,13 cases and 8 cases respectively,according to the standard of PPDS％ diagnosis.16 cases,12 cases and 8 cases respectively,according to the standard of 2008 ESC APE diagnosis and treatment guidelines.The uniform rate was 94.4％ for two methods,the uniform rate was 100.0％ in which high risk of PE.The PPDS％ of PE was (46.2 ± 4.6) ％ before treatment.The data was significantly higher than that post treatment (31.6％ ± 1.8％) (t =17.38,P ＜ 0.01).The scores of low,medial and high risk patients were (25.9 ± 3.9) ％,(45.6 ± 4.3) ％ and (58.4 ± 4.9) ％ (t =6.18,P ＜ 0.01),respectively.The mild,moderate and severe risk PE according to the PPDS％ standard with clinical adverse events for were 1 cases (6.5％),3 cases (23.0％) and 5 cases (62.5 ％) respectively,with a significant difference (x2 =8.71,P ＜ 0.05).Conclusion PPDS％ could be used as an important reference index for risk stratification of diagnosis,evaluating therapeutic efficiency and predicting the prognosis in patients with PE.

Objective To investigate the changes of fractional exhaled nitric oxide (FENO)) and their relation with lung function in bronchial asthma.Methods FENO and forced expiratory volume in the first second (FEV1) were measured during the periods of acute onset,chronic persistence and paracmasis in 54 patients with asthma and 19 healthy persons.Results There were significant differences in the levels of FENO and FEV1 among the course of acute onset [(57.59 ± 32.24) ppb and (1.72± 0.33) L],chronic persistent course [(40.02 ± 15.68) ppb and (2.41 ± 0.23) L],paracmasis [(26.71±6.07) ppb and (2.82±0.29 )L]and control[(14.74±3.42 ) ppb and (2.93±0.13)L] (F=19.555,163.096,P＜0.01) except for the levels of FEV1 between paracmasis and control group(P＞0.05).The negative correlation between FENO and FEV1 was found in the course of acute onset(r=- 0.666,P =0.005 ),but not in the chronic persistent course ( r =- 0.288,P =0.176) and paracmasis(r=-0.246,P=0.457).Conclusions The level of FENO is increased and may be useful to evaluate control degree in patients with asthma.

Objective To investigate the clinical value of percentage of pulmonary perfusion defect score ( PPDs％ ) for risk stratification and prognosis evaluation in patients with acute pulmonary embolism (APE).Methods A retrospective study was carried out on PPDs％ data of patients( n =21 ) with confirmed APE from January 2001 to December 2008.The patients were divided into three levels,low( n =10),medial( n =7) and high risk groups( n =4),according to 2008 ESC APE diagnosis and treatment guidelines.The reference index in predicting risk stratification by PPDs％ was ascertained.34 patients with confirmed APE were divided into three levels ( mild,moderate and severe risk levels) according to the standard of PPDS％ diagnosis from January 2009 to June 2011.A prospective study on the incidence rate of the clinical adverse events was performed.Results The PPDs％ of low,medial and high risk levels according to 2008 ESC guidelines were (25.94 ± 3.95 ) ％,(45.63 ± 4.38 ) ％ and ( 58.42 ± 4.96 ) ％ respectively,with a significant difference ( t ≥4.755,P ＜ 0.01 ).The standard of PPDS％ diagnosis for risk stratification was confirmed in APE:low risk levels:PPDs％ ＜ 30％,moderate:30％ ≤ PPDs％ ＜50％,and high:PPDs％ ≥50％.The mild,moderate and severe risk patients with APE were 17cases,11cases and 6cases respectively,according to the standard of PPDs％ diagnosis,or 15cases,13cases and 6cases respectiveldy,according to the standard of 2008 ESC guidelines.The uniform rate was 94.11％ for two methods; the uniform rate was 100.00％ in which high risk of APE.The mild,moderate and severe risk patients with APE according to the standard of PPDs％ standard with clinical adverse events for were 1case (5.89％ ),3cases (27.27％ ) and 4cases (66.67％ ) respectively,with a significant difference ( x2 =9.23,P ＜0.01 ).Conclusions PPDs％ could be used as an important reference index for risk stratification of diagnosis,selecting therapeutic programs,evaluating therapeutic efficiency and predicting the prognosis in patients with APE.

Objective To explore the value of hydronephrosis volume measured by 64 slice CT scan, evaluating renal function in patients with obstructive hydronephrosis.Methods The patients performed with both single photon emission computed tomography(SPECT) renal dynamic imaging and 64 slice CT scan in three days were chosen, 176 cases included finally.The images of renal dynamic imaging were divided into normal renal function group, mild renal impairment group, moderate renal impairment group and severe renal impairment group according to glomerular filtration rate (GFR) measured by SPECT.At the same time, CT three-dimensional reconstruction technique has been used to measure the volume of hydronephrosis, compare the differences of hydronephrosis volume among these groups, and future analyze the correlation of hydronephrosis volume with renal GFR value.Results The hydronephrosis volume of the four groups were respectively (31.47±3.81) cm3,(83.43±7.81) cm3,(208.53±15.47) cm3 and (577.31±61.32) cm3.There was statistical significance among these groups (P<0.01),except between normal renal function group and mild renal impairment group.The volume of hydronephrosis showed positive correlations with renal GFR (r=-0.614).Conclusion The volume of hydronephrosis measured by 64 slice CT has positive correlation with GFR measured by SPECT, which could reflect renal function to some extent.