砄bjective: To study the relationship between respiratiory mode and dental occlusion. Methods: UI SN, LI MP, UI LI, OB, OJ and M1～M2 were measured with cephalometric technic in 34 oral breathing children and 34 nasal breathing children (aged 11～14 years) . Results: UI LT and OB in the children with oral breathing were smaller than those in the children with nasal breathing( P 0.05). Conclusion: The children with oral breathing may have smaller oberbite and more proclined dental arch.

Objective:To compare the morphology of dental arch and base bone between oral breathing and nasal breathing children.Methods: A simultaneous measurement system was applied to test oral and nasal respiration.34 oral breathing children and 34 nasal breathing children aged 11 to 14 years old were selected.The parameters of the morphology of dental arch a nd base bone were measured on the record models.Results:① The oral breathing children showed higher palatal vault,and narrower maxillary b ase bone.The configurations of maxillary base bone were comparatively narrower a nd longer.②The oral breathing children's medial and posterior parts of arches o f maxilla were longer,and the configurations of maxillary arch were comparativel y narrower and longer.The configurations of mandible posterior arch were compara tively narrower and longer too.Conclusion:Oral breathing m ay lead to morphological changes in dental arch and base bone in children.

OBJECTIVE To further improve the quality and promote implementation of(disinfection) and isolation(system), in order to reduce hospital infection.METHODS The quality control network is applied to perfect(disinfection) and isolation system and implemented the quality inspection according to standards to promote the(improvement) of management quality.RESULTS According to weak links existent in management to further(improve) the quality of work(analysis) and inspection that implemented,find out the course of implementing in(existent) weak link,improve and realize the disinfection and isolation system in practice.CONCLUSIONS The further improvement of quality in disinfection and isolation system implement is the best way to improve the(hospital) management of disinfection and isolation.

BACKGROUND: Hyperlipemia is one of the important risk factors of coronary atherosclerotic cardiopathy. Great attention has been paid on how to explain the correlation between blood lipid and coronary heart disease and the correlation of characteristics and level of blood lipid with coronary heart disease.OBJECTIVE: To probe into the correlation among the characteristics, the level of blood lipid and coronary heart disease in senile people.DESIGN: Case-control observation and stratified analysis.SETTING: Second Cadre Ward of General Hospital of Shenyang Military Area Command of Chinese PLA.PARTICIPANTS: Totally 105 inpatients were selected in coronary heart disease group, diagnosed as coronary heart disease, tallied with WHO Diagnostic Standard on Coronary Heart Diseases, in Second Cadre Ward of General Hospital of Shenyang Military Area Command of Chinese PLA from January 2001 to January 2002. Totally 99 inpatients, by checked, without coronary heart disease and cerebral vascular disorder were selected in the control in the same period.METHODS: 2 mL venous blood was collected in fasting in the morning and the serum was collected after centrifuged at 3 000 r/minute, for 5 minutes. Auto-biochemical analyzer and enzyme kit were used to determine cholesterol, triglycerin, high density lipoprotein cholesterol and low density lipoprotein cholesterol. Compared with the data in the control, the ranges of cholesterol, triglycerin and low density lipoprotein were calculated successively and divided by 10; at the class intervals of 0.53, 0. 39 and 0.29 mmonl/L, the frequency table was worked out. According to the frequency table, P25 (the 25th percentile), P50 (the 50th percentile), P75 (the 75th percentile) and P90 (the 90th percentile) of cholesterol, triglycerin and low density lipoprotein cholesterol were calculated successively. The stratified groups were divided based on P ＜ 25, P25 to PS0, PS0 to P75, P75 to P90 and ＞ P90, by which, the cases belonging to 5 groups were determined in coronary heart disease group and the control respectively. The exposure factor was determined by ＞ P90, compared with other 4 groups, Menta-Haensecel method was used to calculate x2. If the exposure factor was related with coronary heart disease, the relevant coefficient and 95% confidence interval should be calculated. In accordance with the standards (Proposal on Prevention of Abnormal Blood Lipid and Targets of Abnormal Blood lipid on 2-grade Prevention of Coronary Heart Disease), the cases beyond the targets and morbidity were determined in two groups.MAIN OUTCOME MEASURES: Determination of blood lipid, abnormal cases and morbidity in two groups; cases beyond targets of blood lipid and morbidity; stratified comparisons of percentiles in two groups.RESULTS: According to intention measurement, 204 cases entered result and the control, there was no significant difference in cholesterol, triglycerin cases presented hypercholesterolemia, 34.3% cases hypertriglycerlipidemia and 11. 4% cases low density lipoprotein-hypercholesterolemia. It was indicated that the blood lipid was in the normal range among 64. 8% to 88.6% comparison between the cases with cholesterol ≥5.47 mmonl/L and the cases with cholesterol varied from 3.85 to 4.63 mmol/L, the morbidity of coronary heart disease in the former was 2.98 times as high as the latter (x2 = 6.29, 95% confidence interval was 1.27 -6.98) . In the comparison between the cases with cholesterol ≥ 5.47 mmol/L and the cases with cholesterol varied from 4.64 to 5.05 mmol/L, the correlation with coronary Lipid for 2nd Prevention of Coronary Heart Disease, among the patients with coronary heart disease, cholesterol ≥ 4.68 mmonl/L in 54. 2% cases,triglycerin ≥ 1.70 mmol/L in 34. 3% cases and low density lipoprotein ≥ 2.6 mmol/L in 52. 3% cases.CONCLUSION: For senile patients with coronary heart disease, the satisfactory level of cholesterol is 3.85- 4.63 mmol/L. For those with cholesterol ≥ 5.47 mmol/L, compared with those varied from 3.85 to 4.63 mmol/L, the morbidity of coronary heart disease in the former is possibly 2.98 times as same as the latter(x2 = 6.29, 95% confidence interval was 1.27 - 6.98).

Objective To evaluate the efficacy of DICE regimen on relapsed or refractory NHL,and observe its toxicitv.Methods Records of 50 patients with relapsed or refractory invasive NHL were treated with DICE regimen.All patients had received at least 1 type of chemotherapy regimen with a median of 6 cycles.The patients received a median of 4 cycles of DICE regimen.Resuits The treatment outcome and adverse events of all patients were analyzed.The overall response rate was 48.0%.with a complete response (CR)rate of 16.0%.The response rates were 53.8%in the 26 patients with B-cell lymphoma and 29.2% in the 24 patients with T-cell lymphoma.The 1-and 2-year survival rates were 34.0%and 8.0%,respectively.The major adverse event was myelosuppression:the prevalence of grad eⅢ-Ⅳ neutropenia Was 38.0%,and that of grade Ⅲ-Ⅳ was 14.0%.One patient suffered grade Ⅲ liver toxicity.Conclusion DICE regimen Was effective for patients with relapsed or refractory invasive NHL, and its toxicity is well tolerated,but the response term is relatively short.Further clinical study on the application of DICE regimen iS needed.

Objective To evaluate the radiation dose to patients using radial and femoral artery access in coronary angiography (CAG) and intracoronary stenting (IS) ,provide basis for clinical intervention path .Methods The data of 190 samples (43 by femo-ral and 147 by radial) underwent CAG and 54 samples (17 by femoral and 37 by radial) underwent CAG+IS were analyzed retro-spectively .All samples were divided into two groups (radial group and femoral group) by different approach ,and radiation dose in different approach were analyzed .Results There was no significant difference of Dose Area Product (DAP) and Cumulative Dose (CD) using femoral and radial access in CAG (P>0 .05) .Separating two samples which CD were much higher than others ,the mean DAP was 23 .93 Gy · cm2 and the mean CD was 358 .85 mGy using radial vs .27 .06 Gy · cm2 and 369 .57 mGy using femoral , not distinctive either(P=0 .734 ,P=0 .834) .In CAG+IS ,the mean DAP was 82 .64 Gy · cm2 using radial and it was 78 .11 Gy · cm2 using femoral ,and the mean CD was 1 286 .41 mGy using radial and it was 1 267 .76 mGy using femoral .There were no signifi-cant difference in both DAP and CD (P=0 .705 ,P= 0 .919) .Conclusion The radiation dose of DAP and CD were not different when using radial access and using femoral access in CAG and CAG +IS .

Objective To explore the relation between the enlargement of orbital volume and the degree of enophthalmos, and that between the enlarged volume of floor together with that of medial wall and the degree of enophthalmos. Methods A total of 17 patients of unilarteral orbital fracture were scanned by MSCT (slice width 0.625mm), who suffered late enophthalmos as a results of combination fracture of the medial wall and floor. The clinical data were collected, and input into a software named MIMICS in order to measure orbital volume, the degree of enophthalmos, the enlarged volume of medial wall, and that of orbital floor. Simple linear correlation and regression were carried out between the enlargement of orbital volume and the degree of enophthalmos. Mutiple linear correlation and regression were carried out between the enlarging volume of floor together with that of medial wall and the degree of enophthalmos. Results The equation of the enlargement of orbital volume (V) and the degree of enophthalmos (E) was E= 0.851 V-0.197 (Pearson r=0.969, P＜0.01, the 95% confidence intervals of 0.732-0.970). The standardized equation between the enlarged volume of floor together with that of medial wall and the degree of enophthalmos was E= 0.690 VF+0.413 VM-0. 086 (setpwise, entry =0.5, removal= 0. 11,P＜0.01 ); Comparing the standardized coefficients of independent variables, the outcome was bF (0.690) ＞ bM(0.413). Conclusion Significant linear correlation between the increment of the orbital volume and the degree of enophthalmos is found that 1.0 ml enlargeement in bony volume causes approximately 0.9 mm of enophthalmos; enlarged volume of floor has more powerful influence on the degree of enophthalmos than enlarged volume of medial wall, the former is 1.56 times of the latter.

Objective To review the experience of colon interposition in the treatment of benign esophageal stricture.Methods 58 patients who had undergone colon interposition for esophageal replacements were studied retrospectively,including 53 patients with corrosive burn esophageal strictures,3 traumatic esophageal strictures and 2 congenital esophageal strictures.The interposition colon for all patients went through substemum paths.Results There was no postoperative death in the duration of hospital stay.14 cases developed postoperative complication including 2 total colon necrosis,7 anastomotic leak,2 anastomotic stricture and 3 recurrent laryngeal nerve injury.52 patients were followed-up(ranged 1 to 16 years),40 cases were extremely satisfied(1 grade),9 very satisfied(2 grade),2 satisfied(3 grade)and 1 unsatisfied(4 grade).Conclusion Colon interposition is an ideal procedure for esophageal benign stricture.

Objective To provide a device and an effective method for tail vein injection in mice. Methods Doing the tail vein injection in mice with the self-designed device which is consisted of constant temperature part, lighting part and holding part.The difficulty and time of injection with and without the device were compared.Results It was faster and more accurate to perform the tail vein injection in mice with this self-designed device.Conclusion Using this self-designed device can significantly improve the efficiency and save the injection time.

In the present study, the accuracy of the 4-dimensional model single photon emission computed tomography (4D-MSPECT) and quantitative gated single photon emission computed tomography (QGS) was investigated for assessing left ventricular end-diastolic (EDV), end-systolic volume (ESV) and ejection fraction (EF) from gated myocardial perfusion imaging (G-MPI) using left ventriculography (LVG) as reference. From December 2008 to June 2011, 85 patients, who underwent rest G-MPI and LVG (within 30 days) in West China Hospital, Sichuan University, were retrospectively recruited. EDV, ESV, and EF were calculated from G-MPI using 4D-MSPECT and QGS. Eighty-five patients (47 men, 38 women; age 57 +/- 13 years) were finally analyzed. Correlation between results of G-MPI and LVG was high for EDV, r = 0.89 (4D-MSPECT), r = 0.81 (QGS); ESV, r = 0.97 (4D-MSPECT), R = 0.95(QGS); EF, r = 0.95 (4D-MSPECT), r = 0.93 (QGS). 4D-MSPECT and QGS underestimated EDV significantly compared with LVG [(125 +/- 20) mL (4D-MSPECT), (118 +/- 39) mL (QGS), (131 +/- 33)mL (LVG)]. The ESV, 4D-MSPECT and QGS values did not differ significantly from LVG [(47 +/- 32) mL (4D-MSPECT), (53 +/- 29) mL (QGS), (49 +/- 37) mI (LVG)]. For LVEF, only QGS yielded values were significantly lower than LVG [61% +/- 21% (4D-MSPECT), 55% +/- 17% (QGS), and 63% +/- 19% (LVG)]. EDV, ESV, and EF as determined by 4D-MSPECT and QGS from G-MPI agree well with relevant values with LVG. However, Algorithm-inherent also showed slightly over- or under-estimation of volumes. Therefore, separated normal databases should be set up for each algorithm.
Aged ; Algorithms ; China ; Female ; Humans ; Male ; Middle Aged ; Myocardial Perfusion Imaging ; Regression Analysis ; Software ; Tomography, Emission-Computed, Single-Photon ; Ventricular Function, Left