146 patients with Non-Hodgkin's lymphoma of the nasal cavity were treated by: radiotherapy only (76 patients) and chemotherapy plus radiotherapy (70 patients). The overall 5- and 10-year survivals were 58.2% and 50.7%. Those with tumor extending into the neighboring organs or tissues gave a 5- year suivival of 30.3%. The differences therein is statistically significant (P

Objective To establish GC and GC/MS qualitative and quantitative analysis methods for identification of cocaine cases. MethodsChoosed and optimized the best analysis parameters of cocaine by GC/MS and GC. We prepared 0.10, 0.20, 0.40, 0.60, 0.80, 1.00, 1.20mg/ml ethanol solution of cocaine standard which all contained 0.6mg/ml diazepam (internal standard) to study the analyse standard curve and the detection limit of cocaine drugs. ResultsThe linear equation of cocaine by GC/FID was Y=1.055X-0.0021, R2=0.9999; That of GC/NPD was Y=0.556X-0.0016, R2=0.9996; The detection limits of cocaine were 10ng by GC/FID method and 2ng by GC/NPD method. On the other hand, we used GC/FID and GC/NPD methods and internal standard to quantitate the cocaine drugs sized by police respectively, the result of concentration was 72%?2.3%. The quantitative data of both methods had good repeatability. ConclusionThe methods established are useful to examine and identify cases of cocaine.

OBJECTIVE:To compare the cost-effective ratios between Granisetron and Ondansetron in the prevention of Cisplatin-induced nausea and vomiting.METHODS:In a randomized auto-controlled design,36patients receiving chemotherapy with Cisplatin were divided into2groups to compare the antiemetic effects and toxicity between Granisetron and Ondansetron and to carry out cost-effectiveness analysis.RESULTS:Granisetron could effectively prevent Cisplatin-induced nausea and vomiting and its antiemetic effect was comparable to that of Ondansetron.The average effective rates in preventing nausea and vomiting of Granisetron and Ondansetron were75.9%,77.8%and79.7%,75.0%respectively,and there were no significant differences between two drugs.The toxic reactions of Granisetron were slight.In cost-effectiveness analysis,Granisetron was better than Ondansetron.CONCLUSION:Granisetron is a safe,effective,economical antiemotic in chemotherapy of cancers.It is worth popularizing the application.

Objective To investigate the efficacy of recombinant human erythropoietin(rhEPO)in preventing and reversing dys- function of retinal neurons in streptozotocin(STZ)-induced diabetes in rats.Design Experimental study.Participants The early stage of diabetic rats.Method Two weeks after STZ(60 mg/kg,i.p.),diabetic rats were administered rhEPO(5000IU/kg)injection three times weekly for 2 weeks.Retinal samples of STZ-induced diabetic rats with or without rhEPO and controls were prepared for ultrathin sec- tions and subsequently photography by transmission electron microscope.Also the content of glutamate in retina of the rats was detected with high-performance liquid chromatography.Main Outcome Measures The ultrastructure of rat retinas and the content of retinal glutamate.Results Mitochondrial metamorphosis in ganglion cells occurred in STZ-induced diabetic rats without rhEPO.Obvious mito- chondrial metamorphosis couldn′t be found in STZ-induced diabetic rats with rhEPO treatment.Retinal glutamate at the end of the 4th week of STZ-induced diabetic rats had increased obviously comparing with the normal rats(P

The effect of iodinated contrast on thyroid function and auto-antibodies after a single percutaneous coronary intervention (PCI) was explored.In 96 patients with randomly selected PCI,serum TSH,T3,T4,thyroid peroxidase antibody (TPOAb),thyroglobulin antibody (TgAb) were determined preoperatively as well as by 3-6 months postoperatively.After PCI,the level of TSH,T3,T4,showed no significant changes; TgAb,TPOAb which were positive preoperatively,after 3-6 months were statistically increased(P＜0.05).Iodinated contrast in PCI has no significant influence on thyroid function and auto-antibodies after 3-6 months.

Objective To evaluate MRI in the diagnosis of the bone contusion of the knee joint and its clinical significance.Methods Using special coil for knee joint,coronal,sagittal,axial and oblique sagittal plane scanning with fast spin-echo sequence(T_1WI,T_2WI,PDWI+FS)was performed on knee joint in 205 patients in three days after injury.According the distributing bone marrow edema and injury mechanism,bone contusion were classified five types as pivot shift injury,clip injury,dashboard injury, hyperextension injury and lateral patellar dislocation.Results One hundred and forty-five cases of the 205 patients were found bone marrow edema without fracture on X-ray films.Among them,pivot shift injury was found in 43 cases accompanied with anterior cruciate ligament rupture in 30 cases,tear of the posterior horn of the lateral or medial meniscus in 12 and tears of the medial collateral ligament in 8 cases;clip injury in 53 cases accompanied with anterior cruciate ligament rupture in 10 cases,tear of the posterior horn of the lateral or medial meniscus in 15 and tears of the medial collateral ligament in 38 cases;dashboard injury 40 cases accompanied with posterior cruciate ligament rupture in 16 cases,hyperextension injury 9 cases accompanied with anterior cruciate ligament rupture in 2 cases,posterior cruciate ligament rupture in 5 cases.No lateral patellar dislocation was found.Forty-eight of 145 patients had undergone arthroscopy, 43 cases(89.6%)of them were in accordance with MRI diagnosis.Bone contusion were defined as geographic regions of abnormal signal intensity,that is,low signal intensity in T_1-weighted images and high signal intensity in PD-weighted or T_2-weigeted images with fat saturation.Conclusion MRI can accurately display the location and area of bone contusion of the knee joint as well as its adjunctive structure injury and deduce their injury mechanism.MRI should be used routinely for knee trauma.

Aged ; Humans ; Male ; Middle Aged ; Mycoses ; complications ; Nasal Septal Perforation ; complications ; microbiology ; Sinusitis ; complications ; microbiology

At present, the monitoring methods fwor intracranial pressure adopted in clinical practice are almost all invasive. The invasive monitoring methods for intracranial pressure were accurate, but they were harmful to the patient's body. Therefore, non-invasive methods for intracranial pressure monitoring must be developed. Since 1980, many non-invasive methods have been sprung out in succession, but they can not be used clinically. In this paper, research contents and progress of present non-invasive intracranial pressure monitoring are summarized. Advantages and disadvantages of various ways are analyzed. And finally, perspectives of development for intracranial pressure monitoring are presented.
Humans ; Intracranial Pressure ; Monitoring, Physiologic ; methods

Contraindications ; Humans ; Laryngeal Neoplasms ; classification ; pathology ; surgery ; Laryngectomy ; methods ; Neoplasm Staging

The study is to design chitosan-coated pilocarpine nitrate submicro emulsion (CS-PN/SE) for the development of a novel mucoadhesive submicro emulsion, aiming to prolong the precorneal retention time and improve the ocular absorption. CS-PN/SE was fabricated in two steps: firstly, pilocarpine nitrate submicro emulsion (PN/SE) was prepared by high-speed shear with medium chain triglycerides (MCT) as oil phase and Tween 80 as the main emulsifier, and then incubated with chitosan (CS) acetic solution. The preparation process was optimized by central composite design-response surface methodology. Besides the particle size, zeta potential, entrapment efficiency and micromorphology were investigated, CS-PN/SE's precorneal residence properties and miotic effect were especially studied using New Zealand rabbits as the animal model. When CS-PN/SE was administered topically to rabbit eyes, the ocular clearance and the mean resident time (MRT) of pilocarpine nitrate were found to be dramatically improved (P < 0.05) compared with PN/SE and pilocarpine nitrate solution (PNs), since the K(CS-PN/SE) was declined to 0.006 4 +/- 0.000 3 min(-1) while MRT was prolonged up to 155.4 min. Pharmacodynamics results showed that the maximum miosis of CS-PN/SE was as high as 46.3%, while the miotic response lasted 480 min which is 255 min and 105 min longer than that of PNs and PN/SE, respectively. A larger area under the miotic percentage vs time curve (AUC) of CS-PN/SE was exhibited which is 1.6 folds and 1.2 folds as much as that of PNs and PN/SE, respectively (P < 0.05). Therefore, CS-PN/SE could enhance the duration of action and ocular bioavailability by improving the precorneal residence and ocular absorption significantly.