Objective:To study the sedative effect of disoprofol used in cases of multiple injury.Methods:13 cases of multiple injury were analyzed retrospectively.All patients were induced sedative with disoprofol.The change in vital signs,blcod gas analysis,PaO_2/FiO_2,etc were observed.Results:In the initial stage,cases of multiple injury could develop fidgety,increase in breath and blood pressure.Disoprofol could ameliorate the heart rate,reath,blood pressure and PaO2/FiO2 quickly.Conclusion:Disoprofol have the quick and positive sedative effect in comprehens-ive therapy for multiple injury.

Objective:To discuss the effect of tube changer in relieving difficult tracheal intubation.Methods:Three hundred and sixty-two patients with difficult tracheal intubation were selected to be aided with tube changer in the study.Electrocardiogram,blood pressure and oxygen saturation were observed.Results:The incidence of successful intubation was 93.9%(340/362).Twenty-two failing cases were treated by tracheotomy.Conclusion:Tube changer is a well assisting equipment in treating difficult tracheal intubation.By using tube changer,the intubation time in the patients with difficult intubations decreased and the incidence of successful intubation increases.It is recommended to adjust intubation on the basis of monitoring result.

Objective:To investigate the effects of critical patients who were treated with percutaneous endoscopic gastrostomy(PEG)or percutaneous endoscopic jejunostomy(PEJ)with propofol at bedside.Methods:Tirty-eight patients,who were admitted in the ICU of the first affiliated hospital of the Chongqing medical university between August 2006 and December 2008,were randomly divided into P-group (propofol group)and DM-group.(diazepam combined with midazolam group).Electrocardio waveform,breath(Br),SPO2 and blood pressure were monitored and recorded from 10 min before operation to the time with the patients'Ramsay≤Ⅱafter operation (postoperative monitoring≥10min).And recorded the persistence time of operation,awaken time and subjective anamnesis were recorded at 30min after operation.Results:In the operation,the heart rate(HR)in P-group was(72.20?8.96)/min,which was significantly decreased compared with DM-group.The Br was(16.72?8.46)/min in P-group during operation,which was significantly decreased compared with DM-group,and the SPO2 in P-group was(94.87?3.52)%,which was significantly increased compared with DM-group(P

OBJECTIVE:To observe the effects of Tanreqing injection on the immune factors and clinical outcome in patients with ventilator associated pneumonia(VAP).METHODS:155 patients with VAP were randomly divided into trial group and control group.Serum levels of CRP,IL-6 and TNF-? were determined at 0,1,3,5 and 7 days after treatment.The chest X-ray results at 0 and 3 days after treatment were compared.The mechanical ventilation(MV)time and the successful rate of weaning from mechanical ventilation and the mortality rate were recorded.RESULTS:The serum levels of CRP,IL-6 and TNF-? in all 155 VAP patients were significantly higher than normal levels,at 5 days,serum levels of IL-6 and TNF-? in the trial group began to decrease significantly as compared with the control group(P

[ABSTRACT]OBJECTIVETo explore the basic characters of the airflow-field in Chinese people's nasal cavity by computational fluid dynamics.METHODSThe three-dimensional, finite-element mesh were developed from Spiral CT imaging scans of nose of the 40 healthy Chinese people. Given the following spatial boundaries of the flow field: no-slip condition was imposed at the surface of the nasal airway walls; a standard atmosphere pressure condition was established at the inlet; a velocity vector was specified at the outlet (nasopharynx), which was obtained under the condition of aspiratory flow rate (12 L/min), the full Navier-Stokes and continuity equations were solved to obtain the airflow pattern.RESULTS1. The airflow passed mainly through left or right side of the nasal airway in the whole 40 cases (left 33, right 7),and the volume of air through the main-side is (320±28) ml while non-main-side (180±45) ml. 2. Airflow velocity: airflow of anterior nostrils, internal nostrils, the middle and inferior parts of the total meatus in the main-side were (5.01±2.12) m/s, (7.00±1.75) m/s, (5.08±1.55) m/s, (4.12±1.40) m/s respectively, and those in non-main-side were (2.01±0.94) m/s, (2.40±0.34) m/s, (1.99±1.0) m/s, (2.01±0.65) m/s respectively, which differences between the both sides were of statistical significance (allP<0.05); airflow of middle meatus, inferior meatus and olfactory cleft in the main-side were (2.08±0.43) m/s, (1.60±0.95) m/s, (1.64±0.80)m/s respectively, and those in non-main-side were (1.89±0.52) m/s, (1.49±0.89) m/s, (1.50±0.75) m/s respectively, which differences were significant statistically (allP>0.05); 3. The airflow form appeared to be linear in the middle and inferior parts of the nasal cavity. 4. Velocity in maxillary sinus cavity was almost 0 m/s.CONCLUSIONThe airflow passes mainly through the middle and inferior parts of the meatus with higher velocity in laminar form and airflow of middle meatus, inferior meatus and olfactory cleft are low and the velocity were slow. Besides, airflow in maxillary sinus cavity diffuses free mainly.

[ABSTRACT]OBJECTIVETo study the deposition of suspended particles in the respiratory tract during human breathing.METHODSBased on CT data, three dimensional finite element model of an anatomically accurate respiratory tract, including the nasal cavity, oral cavity, pharynx, larynx, trachea and parts of tracheobronchial tree, is established. Numerical analysis for the deposition of suspended particles in the respiratory tract was conducted. RESULTSThe velocity and pressure distributions of airflow in the respiratory tract were obtained, as well as the particles path and their deposition law.CONCLUSION Respiratory tract plays an important role in filtering suspended particles in the air during breathing. The main deposition sites of the particles were at the front of the inferior turbinate and the posterior pharyngeal wall.

Objective To observe the effect of rhubarb enema on serum level of high mobility group protein B1 (HMGB1) in patients with severe acute pancreatitis (SAP).Methods A total of 60 cases of patients with SAP in our hospital were collected from October 2014 to October 2016,and were randomly divided into the observation group and control group (30 cases in each group).Serum levels of HMGB1 were dynamically detected on the 1st,3rd and 5th day after admission.The acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ) was conducted.The recovery time of gastrointestinal function and time for continuous renal replacement therapy (CRRT) were observed.Results On the 1st day after admission,no statistically significant difference was found in serum level of HMGB1 between the two groups (P＞0.05).The serum level of HMGB1 in the observation group was obviously decreased on the 5th day after admission,which was lower than that in the control group,there was statistically significant difference(P＜0.05).In the observation group,the value of difference between serum level of HMGB1 on the 1st day after admission and that on the 3rd day after admission was significantly negatively related with the APACHE Ⅱ score on the 3rd day after admission(r=-0.604,P＜0.05).In the observation group,the remission time of abdominal pain and abdominal distension,first time of exhaust and defecation and time for CRRT were significantly shorter than those in the control group,there were statistically significant differences (P＜0.05).Conclusion Rhubarb could improvesymptoms and prognosis of patients with SAP through effectively inhibit the expression of HMGB1.

Objective To summarize the clinical and biological characteristics and to analyze the prognosis of childhood lymphoma. Methods Clinical data of 60 patients diagnosed as lymphoma during the past ten years were retrospectively studied. All cases were classified according to the WHO classification criteria of lymphoma and the St. Jude staging system. Results Of all the 60 patients, the ratio of male to female was 2.5: 1. The median age was 8 years old (range from 6 months to 15 years). Localized mass was the most common chief complaint for first consultation accounting for 35.0%. The proportion of the bone marrow and central nervous system involvement was 63.3% and 6.7%, respectively. Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL) counted for 8.3% and 91.7%, respectively. All HL were classified as CHL. As to NHL, LBL, BL/B-ALL, ALCL, and DLBCL were the main types. According to St. Jude staging, the advanced stage accounted for 95.0%. There were 8 cases with progressive disease/relapse with median time of 14 months (ranged from 6 months to 84 months). 6. In all patients,the 5-year anticipated overall survival(OS)rate was(78%±6%);the 5-year OS for HL and NHL were 100% vs(76%±8%). The survival rate of the two groups showed no significant difference (P=0.270). Cox multivariate analysis indicated that sex (P=0.038) was independent prognostic factors. Conclusions Pediatric lymphoma occurred more in male than in female, peaked at school age. The main histologic type was NHL. Most patients were diagnosed as advanced stage. By gender, female is a poor factor that affects prognosis.

The nasal cavity structure of one patient was reconstructed by the method of surface rendering based on his CT images. In a respiratory period the change of air flux in the nasal cavity was supposed based on the tidal volume and the respiratory period gained by statistical method. The digital simulation and the analysis of the airflow in the nasal cavity was made by the FEA method and the result was compared with the data from literatures. The comparison indicates that the result is confident. From the result we can observe the airflow distribution quantitatively in the nasal cavity in the period of respiration.
Adult ; Computer Simulation ; Humans ; Imaging, Three-Dimensional ; Male ; Models, Biological ; Nasal Cavity ; anatomy & histology ; physiology ; Numerical Analysis, Computer-Assisted ; Respiration ; Tomography, Spiral Computed

The effect of variation of nasal structure on airflow distribution was investigated. Based on the CT images of the nose of a healthy female, a three-dimensional nasal model was developed. Two new nasal models were produced by removing part of inferior turbinate and part of middle turbinate in the left side of the original model. The numerical simulation and analysis for airflow field in the three nasal models was conducted by the finite element method. The simulation results from new models were compared with those from the original model. The airflow rate changed in the two sides of new nasal models. The airflow distribution and the pressure grades varied in the side of nasal model where part of inferior turbinate or part of middle turbinate was removed. The variation of nasal cavity structure will result in airflow redistribution in nasal cavity. The effect of removing turbinate on the airflow distribution in nasal cavity was described quantitatively.
Airway Resistance ; physiology ; Computer Simulation ; Exhalation ; physiology ; Female ; Finite Element Analysis ; Humans ; Image Processing, Computer-Assisted ; Inhalation ; physiology ; Models, Biological ; Nasal Cavity ; diagnostic imaging ; physiology ; Tomography, X-Ray Computed ; Turbinates ; surgery