Adolescent ; Adult ; Female ; Health Personnel ; Health Status ; Humans ; Middle Aged ; Occupational Health ; Young Adult

Carcinoma, Non-Small-Cell Lung ; genetics ; metabolism ; pathology ; DNA Mutational Analysis ; DNA, Neoplasm ; genetics ; isolation & purification ; Genes, erbB-1 ; Humans ; Lung Neoplasms ; genetics ; metabolism ; pathology ; Mutation ; Paraffin Embedding ; methods ; Polymerase Chain Reaction ; methods ; Real-Time Polymerase Chain Reaction ; methods ; Receptor, Epidermal Growth Factor ; genetics

Objective To compare the efficacy of different target concentrations of sufentanil target-controlled infusion used to supplement topical anesthesia for fiber-optic bronchoscopy (FOB)-assisted awake nasotracheal intubation in patients with obstructive sleep apnea syndrome (OSAS).Methods Forty-five ASA physical status Ⅱ or Ⅲ patients with OSAS,aged 28-60 yr,with body mass index of 30-40 kg/m2,scheduled for elective surgery,were randomly assigned into 3 groups (n =15 each):control group (group C) and sufentanil with the target plasma concentration of 0.4 ng/ml (group S1) and 0.6 ng/ml groups (group S2).Naso-pharyngeal and laryngeal mucous membrane was sprayed with 2％ lidocaine mixed with 1％ ephedrine for topical anesthesia in both groups.In addition 1％ tetracaine 3 ml was injected into trachea through cricothyroid membrane.FOB-assisted awake nasotracheal intubation was performed after the target concentration was achieved.The degree of airway obstruction was scored during intubation.The highest values of MAP and HR,rate-pressure product ＞ 12 000,decreased respiratory rate and hyoxemia were recorded during the period between induction of anesthesia and 3 min after intubation was completed.The changes in MAP and HR as percent of baseline values were calculated.Before topical anesthesia (T0),when target concentrations were reached (T1),and at 1 and 3 min after intubation (T2,3),blood samples were taken to determine the plasma concentrations of epinephrine (E),norepinephrine (NE) and cortisol.Results Compared with group C,the airway obstruction score was significantly decreased in group S1,the incidence of changes in MAP and HR ＞ 30％ of baseline values and rate-pressure product ＞ 12 000 was decreased,the plasma concentrations of E,NE and cortisol were decreased in S1 and S2 groups,and the incidence of the respiratory rate was decreased and hypoxemia was increased in group S2 (P ＜ 0.05).Compared with group S1,the airway obstruction score were significantly decreased,and the incidence of respiratory rate was decreased and hypoxemia was increased in group S2 (P ＜ 0.05).Compared with the baseline value at T0,the plasma concentrations of E,NE and cortisol were significantly increased at T2,3 in group C,while decreased at T1 in S1 and S2 groups (P ＜ 0.05).Conclusion Compared with pure topical anesthesia,sufentanil with the target plasma concentration of 0.4 ng/ml does not induce respiratory depression,maintains hemodynamics stable,attenuates the stress responses and provides better intubation conditions when used to supplement topical anesthesia for FOB-assisted awake nasotracheal intubation in patients with OSAS.

BACKGROUND:Many studies have demonstrated that restoration of femoral offset in revision total hip arthroplasty would contribute to the recovery of joint function.OBJECTIVE:To investigate the importance of restoration of femoral offset in revision total hip arthreplasty on the recovery of joint function.METHODS:An observational study was performed at the Department of Orthopedics,Third Affiliated Hospital of Guangzhou Medical University between February 2004 and May 2007.A total of 15 patients with the revision total hip arthroplasty,including 12 males and 3 females,aging 62 75 years,averaging 67 years old,were recruited into this study.Harris evaluation system was used to evaluate joint function.The femoral neck anteversion and the femoral offset were measured by the method of Sakai.The vertical distance from the teardrop line to the most prominent point of the lesser trochanter was measured from each radiograph.References were combined to investigate the effect of restoration of femoral offset in revision total hip arthroplasty on joint function.RESULTS AND CONCLUSION:All the 15 patients were recruited into this study.The duration of follow-up ranged from 24 months to 5 years.We measured the femoral offset on pre- and post-operative radiographs,and the results indicated that the femoral offset of 4 patients were above 4 mm.The femoral offset of 11 patients was restored.The femoral offset were 22-48 (32.21±0.64) mm pre- and 22-57 (36.13±0.82) mm post-operative radiographs,respectively.The mean difference in femoral offset post-operatively was significant (t=0.424,P=0.01 ).Harris scores were good in 4 cases,passable in 2 cases,and poor in 9 cases pre-operatively,and the scores were excellent in 8 cases,good in 4 cases,passable in 2 cases,and poor in 1 case post-operatively.The score of Harris evaluation system in the patient of restoration group and failed restoration group were 88.72±5.3 (80%) and 72.32±6.5 (27%) post-operative at 1 month respectively.The mean difference of the score was significant (χ~2=1.245,P<0.05).The 3 patients had complication,one was the dislocation of hip,and two had the pain of hip.All the patients with complication were in failed restoration of femoral offset,which was above 4 mm.The restoration of femoral offset contributes to the recovery of joint function and reduce complication occurrence after total hip arthroplasty revision.

To investigate formation mechanism of secologanic acid sulfonates in sulfur-fumigated buds of Lonicera japonica, secologanic acid was enriched and purified from the sun-dried buds of L. japonica by various column chromatography on macroporus resin HPD-100, silica gel and ODS. The stimulation experiments of sulfur-fumigation process were carried out using secologanic acid reacted with SO2 in the aqueous solution. The reaction mechanism could be involved in the esterification or addition reaction. The present investigation provides substantial evidences for interpreting formation pathway of secologanic acid sulfonates in sulfur-fumigated buds of L. japonica.
Alkanesulfonates ; chemistry ; Carboxylic Acids ; chemistry ; Chromatography, High Pressure Liquid ; Flowers ; chemistry ; drug effects ; Lonicera ; chemistry ; drug effects ; Models, Chemical ; Molecular Structure ; Sulfur ; chemistry ; pharmacology ; Sulfur Dioxide ; chemistry ; Water ; chemistry

Objective To investigate the effect of different doses of sufentanil combined with dexmedetomidine ( DEX) on hemodynamic and Narcotrend index ( NI) during pediatric anesthesia induction. Methods A total of 45 children with lower abdominal surgery were randomly divided into three groups evenly: sufentanil 0. 1 μg·kg-1+ DEX (S1 group),sufentanil 0. 2 μg·kg-1+DEX (S2 group),and sufentanil 0. 3μg·kg-1+DEX (S3 group). Patients in each group began with intubation at the peak point of administration. Blood pressure,heart rate,perfusion index (PI) and NI were detected at the baseline (t0), delivering DEX 0.5 μg·kg-1·h-1 and sufentanil intravenously for 5 min (t1),delivering sufentanil for 3 min (t2),time of intubation ( t3 ) ,1 min ( t4 ) ,and 5 min ( t5 ) after intubation. The application rate of atropine and propofol was recorded. Patient recovery time and adverse reactions were observed. Results Compared with basicline value at t0 time point, hemodynamic parameters and NI were decreased at t1 and t2 ,while PI was increased in both groups. At t3 ,t4 ,and t5 ,all of the indicators in S1 group were significantly different from those at t0 ,and also significantly different from those in S2 and S3 group. Six patients were treated with propofol in S1 group and four presented with agitation after operation,more than S2 and S3 groups. Three patients were treatment with atropine in S3 group. Conclusion Sufentanil (0. 2 μg·kg-1 ) combined with dexmedetomidine can be used to induce intubation for pediatric anesthesia with stable hemodynamic profile and low incidence of adverse effects.

Objective To discuss clinical effects and indications of minimally invasive tension band technique in treatment of transverse patella fractures.Methods Thirty-eight patients with transverse patella fracture (close or slightly polluted open ones) were treated with minimally invasive tension band technique from July 1997 to June 2005 in our department.Twenty-six were fixated with percutaneous Kirschner wire tension hand and 12 with percutaneous cannulated screw tension band.The reduction,movement range and function of the knee were analyzed.Results Surgeries went on uneventfully.All the cases were followed up from six months to 6.5 years (average,32 months).Fracture healing time lasted from 6 to 12 weeks,averaging 7.7 weeks.No such compli- cations as traumatic arthritis occurred.Reduction was excellent in 21 cases,good in 11 and fair in six,with the good-to-excellent rate being 84.2%.All the affected knee joints could move in normal range.The functional re- covery was assessed as excellent in 34 cases and good in four.Conclusions Internal fixation with minimally invasive tension band technique is good for treatment of transverse patella fractures.It is chiefly fit for close or slightly polluted open fractures with limited wound,and can also be used for the comminuted fractures if the bone fragments are no more than three and the fracture site is suitable.

BackgroundOsteopontin is highly expressed in many metastatic tumors,but its expression in uveal melanoma and the relationship of osteopontin with metastasis is still under investigation.Objective This study was to investigate the relationship between osteopontin expression and uveal melanoma metastatic potential.Methods Fifty samples of uveal melanoma were collected in Beijing Tongren Hospital.The expressions of osteopontin in the samples were detected using immunohistochemistry,and expressions of osteopontin mRNA in different metastatic potential uveal melanoma cell lines (MU M-2B,C918,OCM-1A) were analyzed using quantitative polymerase chain reaction (Q-PCR).ResultsOsteopontin was positively expressed in 10 samples of 13 patients with metastasis and 14 samples of 37 patients without metastasis,showing a significant difference between them (x2=5.888,P=0.000).There were 11 samples and 13 samples exhibiting the positive expression of osteopontin in 15 epithelial type and 35 non-epithelial type of uveal melanoma respectively with the significant difference (x2=5.510,P =0.000).The positive expressing numbers of osteopontin were 20 tumors of 30 affected tumors and 4 tumors of 20unaffected ciliary tumors with the significant difference (x2 =10.470,P =0.000 ).No significant differences in the expression of osteopontige were found between different gender,age,eyes,largest basal diameters and invasion of scleral canal( P =0.536,0.256,0.802,0.848,0.555 ).The relative expression value of osteopontin mRNA was in turn 1.00±0.04,0.91 ±0.03,0.08±0.01 in MUM-2B,C918,OCM-1A with the significant difference among three cell lines( F=33.135,P＜0.05).The osteopontige mRNA expression was significant enhanced in high metastatic potentialcell lines( MUM-2B,C918 ) compared with low metastatic potential cell lines( OCM-1 A) (P＜0.05 ),but no significant difference was seen between two high metastatic potential cell lines(MUM-2B,C918) (P=0.804).Conclusions Osteopontige expression is associated with the uveal melanoma cell line invasion and metastasis potential.These results imply that osteopontige expression maybe an indicator of uveal melanoma invasion and metastasis ability.

ATM: To define the causes of corneal endothelial cell damage, to investigate the preventive methods, and to observe the variety of corneal endothelial cell in glaucoma using confocal microscope.
METHODS: Totally, 143 eyes of 97 patients with different types of glaucoma, and matched normal people were 20 cases, all 40 eyes. The cell density, cell area and cell variable coefficient were measured used confocal microscope. These indicatives of every kind of glaucoma were compared.
RESULTS: The corneal endothelial cell density of normal group was 2 893. 88±255. 026/mm2 , the group of acute angle-closure glaucoma ( AACG ) was 1 674. 11±683.95/mm2 , and the group of open angle glaucoma (OAG) was 2687. 22±391. 87/mm2, the group of chronic angle-closure glaucoma (CACG) was 2706. 97±351. 27/mm2. In all index the average cell density of corneal endothelial and the average area have statistical significance ( F =62.950, 8. 795;P=0. 000), especially the group of AACG.CONCLUSION: The index of corneal endothelial cell in AACG is lower than that of normal. All index in OAG and CACG is difference with that of normal, but the difference has no statistical significance. And the dominant factor of damaged corneal endothelial is the time of intraocular hypertension.

Objective To evaluate the effectiveness of health education on controlling of coal-burning-borne endemic fluorosis(referred to as endemic fluorosis) in Guizhou,and to provide a scientific basis for development of control strategies.Methods A total of 37 counties were selected in Guizhou province,and 3 townships were chosen in each project county.Heath educational activities were carried out in the classes of grade 5 in the Central Primary School of each selected township.In the meantime,3 villages were chosen in each selected township where the health education for women of child-bearing age in the community was carried out.Survey on knowledge questionnaire of endemic fluorosis control was conducted among 30 students of grade 5 in the Central Primary School and 15 women of childbearing age of each selected township before and after the health educational activities.Results The knowing rate of endemic fluorosis control of pupils in all the 37 counties increased from 45.03％(14637/32505) to 89.79％(52898/58910),of women of child-bearing age increased from 38.97％ (5729/14700) to 76.55％(19198/25080) after the health education.ConclusionsThe knowing rate of endemic fluorosis control among pupils and women of child-bearing age is remarkably increased after implementing the health education projects.They have better life and health habits,and the project has reached desired goal.