Objective To establish the disease-syndrome integrated animal models suitable for the studies of TCM through differen- tiating the property of TCM syndromes of spontaneous diseased animal models.Methods With the observation on general behaviors, irritable degree,turning endurance time,pain threshold,urine and stools,luster of hair,growing speed of hair,body weight,tongue condition,degree of eyeball protruding,conjunctiva chroma,blood pressure,heart rate,etc.of spontaneous hypertension rats(SHR) and the comparison with normal rats,the study was carried out on the macroscopic description of property of TCM syndrome of SHR (14～18 weeks of age)and their ethology.Results The blood pressure of SHR at the early stage tended to raise with age growing. Compared with the normal group,the heart rate of SHR rats was obviously quicker(P

Objective To select the optimum condition for the determination of formaldehyde in the car and to understand the formaldehyde pollution situation,dynamic change law and the influence factors.Methods The national standard method,acetyl acetone spectrophotometer,was used to determine formaldehyde.The investigated cars were the ones which left the factory for one month,three months,six months and one year.The sampling time,rate of flow and coloration time were determined.The influence of temperature and ventilation on the formaldehyde content in the car was analyzed.Results The formaldehyde content in the car was influenced by the temperature,ventilation,date of production and the type of the car.The optimum conditions for the determination of formaldehyde in the car were as follows,10 min of sampling time,0.3 L/min of sampling flow rate and 3 min of coloration time.Conclusion Ventilation is an effective measure to reduce the formaldehyde content in the car.Higher temperature is good for the release of formaldehyde.The formaldehyde content in the car will reach the standard limit in one year after left factory.

Objective To investigate the effects of nuclear factor-kappaB(NF-κB)/p65 signaling transduction on the apoptosis and expressions of apoptosis-related genes Bax in nude mouse lung tumour cell xenografts. Methods The nude mice Lewis lung carcinoma cell xenograft model was established,and then the mice were intraperitoneally injected with NF-κB/p65 small interfering RNA(siRNA). The apoptosis of xenografted tumor cells in nude mice was detected by TUNEL assay. Expressions of Bax mRNA and protein were detected by RT-PCR and Western blotting. Results The result of TUNEL assay demonstrated that p65 siRNA evidently evoked cell apoptosis. Compared to the PBS treatment group or the normal control mice,both mRNA and protein expression levels of Bax in tumor xenografts were significantly up-regulated. There were significant differences among three groups(P<0.05). Conclusion NF-κB/p65 subunit may play an essential role in cell apoptosis of Lewis lung tumor.

Objective To study the alteration of surfactant protein A and D(sp-A,SP-D)result-ing from pneumcystis carinil pneumonia(PCP)and investigate its implication in the pathogenesis of PCP.Methods SD rat models of PCP were induced by subcutaneous injection of 25 mg cortisone acetate,normal control and negative control as well as bacterial pneumonia group were set up for comparison.During 8～12weeks.broncboalveolar lavage fluid (BALF) of rats was collected.Total nucleate cells of BALF were counted and differentiated as well as the concentrations of surfactant protein A(SP-A)and surfactant pro-tein D(SP-D)were measured by immunoblotting assay.Results The rats were divided into three im-munosuppressive groups,plus a norrflal control group. Group A: normal control(n=6)consisted of healthy SD rats;group B:negative control(n=6)employed rats with cortisone acetate injection over 8weekz without tung infection;group C:bacterial pneumonia(n=11),rats were injected with cortisone ac-etate over 8 weeks and resulted in bacterial pneumonia without other pathogens isolated;group D(n=14):rats were injected with cortisone acetate during 8～12 weeks and resulted in PCP without other pathogens isolated.During PCP infection,the total cell counts and the percentage of polymorphonuclears (PMNs)in BALF were significantly increased(P<0.01),but were lower than those in the bacterial pneumonia group.The concentration of SP-A of BALF in PCP(45.1 μg/ml 4±22.1 μg/m1)was signifi-cantly increased in comparison with that in negative control group(16.2 μg/ml±9.9 gg/ml,P<0.05)and that in bacterial pneumonia group(6.2 μg/ml±5.6 μg/ml,P<0.001).We also found that the rela-tive content of SP-D was significantly higher in PCP(24 249±4 780 grey values)than that in both nega-tive control(13 384±2 887 grey values,P<0.001)and bacterial pneumonia group(11 989±2 750 grey values,P<0.001).SP-A and SP-D were also higher in moderate to severe group of PCP than those seen in mild group(P<0.01,P<0.001).Conclusion There was obvious increase of SP-A and SP-D in PCP rats,and particularly,the change of which was greater than that in bacterial pneumonia.Therefore,the alteration of SP-A and SP-D may be of implication in the prevention and management of PCP.

ObjectiveTo report the treatment of the first imported Middle East respiratory syndrome (MERS) in China, and to investigate the clinical features and treatment of the patient.Methods On May 28th, 2015, the first patient of imported MERS to China was admitted to Department of Critical Care Medicine of Huizhou Municipal Central Hospital. The clinical features and treatments of this patient were analyzed.Results①A 43 years old male of South Korean nationality was admitted with the complaint of back ache for 7 days and fever 2 days with the following characteristics: back ache 7 days ago, without fever or cough or expectoration. He had been suspected to suffer from infection of Middle East respiratory syndrome coronavirus (MERS-CoV) by the Disease Control Department of South Korea, but no specific treatment was given. He had fever for 2 days with maximum body temperature of 39.7℃. He had no chills, cough, expectoration, short of breath, abdominal pain, diarrhea, frequent micturition, or urgency or pain of urination, and no sore throat. The patient had a history of exposure to MERS-CoV patient. He was considered to be a patient of the second batch of South Korean epidemic.② Auxiliary examination: 3 copies of throat swab specimens for virus nucleic acid detection were performed by the Disease Prevention Control Center of China (China CDC), and they were positive on May 29th, 2015, and also for serum, sputum and stool. Based on the results of whole genome sequence analysis, the virus strains were implicated to be derived from Riyahh and Jeddah regions of Saudi Arabia. On admission, the patient's blood test showed that the white blood cell count was low (3.22×109/L), the proportion of the neutrophils was high (0.73), and that of the platelet was low (81×109/L). On admission, the patient's chest X-ray showed that a small amount of infiltration in the lung.③ Treatment: a high-flow nasal cannula (HFNC) with oxygen concentration of 0.50-0.80 was given, with a flow rate was set at 60 L/min if tolerated. It was changed to a low flow oxygen inhalation nasal cannula on the 20th day, and oxygen treatment was stopped on the 24th day. Ribavirin 2.0 g was given as the first dose, and was switched to 600 mg every 8 h (q8h), and it was reduced to 600 mg q12h after 10 days, and extenuated since the 13th day. Ceftriaxone was added on the 4th day with 2.0 g a day , and it was changed to meropenem 2.0 g, q8h on the 7th day for 2 weeks. Gamma globulin was given for 7 days (20 g, qd). Thymosin-α1 was given on the 8th day for 2 weeks. Interferon was given once a week, but only one dose was used. At the same time symptomatic treatment such as methimazole and liver protection therapy were given.④ Patient began to cough at admission, and it disappeared on the 18th day. There was no sputum at first, then a small amount of sputum with a little blood appeared after the admission. Then there was cough without sputum. Mild shortness of breath and diarrhea after exertion were noticed. He had no chest pain, difficulty in breathing or other symptoms. There was dullness on percussion in both sides of chest, and it disappeared gradually. Fine moist rales were detectable in scapular area and interscapular area on the 5th day, and they disappeared after 3 days. Breath sounds on both sides was weak, and it became more obvious in the right lung after 5 days, and returned to normal after 18 days. He had a sustaining fever for 1 week with the maximum temperature of 39.5℃, then the body temperature returned to normal. The viral nucleic acid test as performed by the Center for Disease Control of Guangdong (CDC, Guangdong) showed that the pharyngeal swab cultured turned negative on the 3rd day, that of serum specimens turned negative on the 8th day, that of stool specimen after 2 weeks, and it was persistently positive for sputum culture until 5 days before discharge. The oxygenation index gradually increased, and it was over 300 mmHg (1 mmHg = 0.133 kPa) after 15 days. Pleural effusion was rapidly increased during the first week as shown by chest X-ray films, and it began to be absorbed gradually in the second week, but it was not completely absorbed until discharge.Conclusions The disease course of the reported patient was short, with an acute onset, with fever as the chief complaint, but there were no respiratory symptoms, though there were high fever, cough, shortness of breath, diarrhea and other clinical symptoms after admission. Virus in sputum disappeared after treatment, but pleural effusion was not completely absorbed. Negative test for virus in sputum was late, indicating that clearance of virus was slow from the lungs. It is the first case of MERS in China, therefore, the clinical manifestations and the treatment strategy need to be further explored.

Objective To explore the biological characteristics and treatment of anorectal malignant melanoma. Methods A retrospective analysis of the clinical and pathological features and the results of surgical treatment of 25 cases with anorectal malignant melanoma admitted to the Haicheng Second People′s Hospital and General Hospital of PLA from 1985 to 2005 was made. Results There were 10 males and 15 females with their mean age of 59 years. 21 out of 25 cases underwent surgery. In 18 patients curative resection (Miles operation) was performed. Follow-up study was done in 20 cases for 4 months to 6 years. Five year survival rate of 25 cases was 12%. Five year survival rate of radical operation was 16.7%. Conclusion Anorectal melanoma is an aggressive malignant tumor. Prognosis is poor. Regional lymph node metastasis is the major factor in influencing prognosis. Radical operation and lymph nodes eradication are imperative. Early diagnosis and treatment are the key to raise the survival rate.

Infantile spasms constitutes an unique,age-specific epilepsy syndrome of early infancy characterized by epileptic spasms often accompanied by neurodevelopmental regression and an electroencephalograph finding of hypsarrhythmia.For the complex and various etiologies,the pathogenesis remains unclear.Although the relevant guidelines and consensuses are being updated all the time,but proven therapies are still limited because of efficacy,tolerability,at times even availability.In this paper,the current findings regarding up-to-date advances in the treatment of infant spasms were reviewed,especially in use of the corticosteroid and vigabatrin as well as the quality-of-care indicators for infantile spasms.

Adult ; Arsenic Poisoning ; therapy ; Female ; Hemodiafiltration ; methods ; Humans ; Male ; Middle Aged ; Occupational Diseases ; therapy ; Treatment Outcome

ObjectiveTo investigate the value of high flow nasal cannula (HFNC) in treating a patient with Middle East respiratory syndrome (MERS).Methods The effect of HFNC applied in the first imported MERS patient with complication of acute respiratory distress syndrome (ARDS) to China was observed. The patient was admitted to Department of Critical Care Medicine of Huizhou Municipal Central Hospital on May 28th, 2015, and the changes in various clinical parameters and their significance were analyzed.Results A 43-year old male was admitted to negative pressure isolation intensive care unit with the complaint of back ache for 7 days and fever for 2 days. Vital signs and saturation of pulse oximetry (SpO2) were monitored continuously. After admission, ribavirin was given orally for 12 days andα-interferon was administered once on the first day. However, after 2-week anti-virus therapy, the virus test was positive. Ceftriaxone was given on the 4th day, and it was changed to meropenem on the 3rd day for 2 weeks. Immune globulin was given on the 4th day and continued for 1 week. Thymosin-α1 was given on the 8th day and continued for 2 weeks. According to his past history, methimazole had been given continuously for hyperthyroidism and other symptomatic treatment. Oxygen inhalation (6 L/min) was given immediately after admission, but the condition of patient worsened with the following symptoms: frequent cough and obvious shortness of breath. Moreover pleural effusion gradually increased as shown by X-ray. SpO2 was maintained only at about 0.91. Oxygenation index (PaO2/FiO2) decreased to 144 mmHg (1 mmHg = 0.133 kPa). So oxygen inhalation via nasal cannula was changed to HFNC after 2 days. The parameters were set as follows: temperature 34℃, flow rate 20 L/min, fraction of inspired oxygen (FiO2) 0.50. The flow was raised 5 L/min every 10 minutes, and was continued till the target value reached 60 L/min. FiO2 was modified according to SpO2 and PaO2/FiO2. FiO2 was set to 0.80 on the 5th day of admission. Shortness of breath of the patient was improved on the 7th day of admission after the application of HFNC. FiO2 was then decreased to 0.58 as PaO2/FiO2 rose. Then the flow was gradually decreased to 30 L/min. HFNC was reduced with continuous improvement in PaO2/FiO2. HFNC was changed to low flow oxygen inhalation nasal cannula (2-3 L/min) on the 20th day. Oxygen treatment was stopped on the 23rd day, and SpO2 was maintained at 0.98-1.00. Activities on bed were gradually increased. The patient was cured and discharged from hospital on June 26th. The patient showed good tolerance and high compliance during the treatment with HFNC. No nosocomial spread occurred during the treatment.ConclusionsHFNC could improve respiratory function of the patient with MERS obviously, and complication ARDS was prevented. HFNC might reduce nosocomial spread.

Objective: To investigate if bFGF can penetrate placental barrier. Methods: Sixteen day pregnant Wistar rats were selected. bFGF labeled with 125 I was injected peritoneally into the rats. The radioactivity of bFGF in different organs were determined in 30 min. Results: (1) 125 I bFGF was detected in the brain, heart, liver,lung and spleen. (2)With the same dose of 125 I bFGF, the concentration of it in the brain was at lowest level of all other organs.(3) In the range of safe dose, the permeability of bFGF through placental barrier was increased obviously. Conclusion: bFGF may penetrate placental barrier into rat's brain, which makes possible for the therapeutic intervention of bFGF in feotus. [