This article describes a method totransfer physiological data through carrier-current communication.The microcontroller measures the data of heartrate and body temperature and sends them through the serial port tothe carrier-current module implementing carrier-current communication.This method can be used totransfer physiological data through short distance less than200meters.

Objective To study the imaging features of sacroiliac joints(SIJ) in patients who were misdiagnosed as spondyloarthritis(SpA).Methods A total of 34 patients with chief complaint of back pain and misdiagnosed as SpA from January 2007 to April 2013 in Department of Rheumatology Chinese PLA General Hospital were enrolled.The imaging,clinical manifestations,laboratory examinations data were analyzed.Result The main reason for misdiagnosis as SpA was because of sacroiliitis presenting on imaging.The final diagnoses included 24 patients as SIJ infection,4 patients as neoplastic diseases,2 patients as metabolic bone diseases,2 patients as sacroiliac joint degeneration,1 patient as gout of sacroiliac joint,1 patient as diffuse idiopathic bone hypertrophy.For patients with infection,there were 10 patients receiving X-ray and 22 patients receiving CT of SIJ.However,5 and 7 patients had negative results respectively.These patients with infection had abnormalities in MRI including all with bone marrow edema,21 patients with erosion of bone and joint,22 patients with muscle involved.As to the patients with malignancies,SIJ CT scan appeared normal.Bone marrow edema and erosion in MRI were found in all neoplasm patients expect one as ependymoma.Adjacent muscles were involved in the patient with Ewing's sarcoma.Either X-ray or CT in other patients demonstrated obvious abnormalities,but only mild erosion of bone was found in MRI.Conclusion Bone marrow edema of SIJ in MRI represented not only in patients with SpA.Rheumatologists should analyze the clinical manifestations and laboratory examinations comprehensively in order to avoid the misdiagnoses.

OBJECTIVE:To study the optimum formation technics of Xuesaitong drop pill.METHODS:Parallel tests were conducted on the dosage of different base materials and the main drug with the forming percentage and the rate of qualified weight as the index of evaluation,the orthogonal test was conducted on the4factors,including the temperature of drops and the liquor condensate,the drug height in the drug storage tank and the dropping distance.RESULTS:The ratio of base materials and the main drug was2.5∶1.The optimum forming technics could be seen as follows,the height of the drug storage tank was3cm,the temperature of drops was90℃,the dropping distance was5cm and the temperature of the liquor condensate was12.5℃.CONCLUSION:There was a high rate of end product of dropping pill prepared with this optimum process,which was in conformity with the standard stated in the Chinese Pharmacopoeia.

Objective To evaluate the clinical effect of traditional Chinese medicine fumigation and herbal plaster for the patients with anal abscess. Methods A total of 140 patients with anal abscess were randomly divided into 2 groups, 70 in each group. The control group were treated with different operation methods according to the patient's health condition. the Potassium Permanganate solution (1:5 000) bath was used after surgery in the conventional anti anti-infection treatment; and the observation group were treated with herbal fumigation and plaster on the basis of the control group. The wound was treated in the both groups in the following 3 months after operation. The wound swelling disappearance, carrion shedding and healing time, pain relief, medical records of infection and recurrence were measured after the treatment and follow-up period. Results The total effective rate of the observation group was 100% (70/70), and the control group was 91.4% (64/70). The difference between the 2 groups was statistically significant (χ2=4.322,P=0.037). After 3, 7 days, the pain relief in the observation group was better than that in the control group (Z=9.742, 16.860,P=0.008, 0.001). After treatment, the observation group swelling (4.9 ± 0.7 dvs. 6.1 ± 0.7 d,t=10.142), carrion shedding time (3.8 ± 0.5 dvs. 4.2 ± 0.4 d,t=5.227), the wound healing time (22.1 ± 4.0 dvs. 26.9 ± 4.0 d,t=7.099) were lower than those in the control group (P<0.01). During follow-up, 4 cases (5.7%) with secondary infection and 2 cases (2.9%) with recurrence were in the observation group, but 20 cases (28.6%) and 6 cases (8.6%) in the control group.There were significantly difference of the secondary infection and recurrence between two groups (χ2= 6.092,8.934,P= 0.034, 0.001). 2 groups of secondary infection, the differences were statistically significant. Conclusions The combination of traditional Chinese medicine fumigation and herbal plaster could improve the wound healing time, reduce the secondary infection and recurrence rates of patients with anal abscess.

Pharmacology is the bridge of preclinical and clinical medicine,as well as medical science and pharmaceutical sciences.Guiding students to grasp some memory method will make for inspiring student's thinking and increasing their interest in pharmacology teaching.And it will also help to improve the effect of pharmacology teaching.

OBJECTIVE:To extract volatile rose oil by the supercritical fluid extraction technology.METHODS:The optimum extraction technology condition was investigated by orthogonal experiment with extraction rate as the evaluation in?dex,and with the pressure,temperature of extraction and the flow of CO 2 as investigation factors(3levels of each were cho?sen).RESULTS:The optimum technology condition was the following:the extraction pressure was25MPa,the temperature was50℃and the flux of CO 2 was600L/h.CONCLUSION:The established method has the following merits:high extraction rate,fast speed,simple technics,pollution-free,pure extraction etc.

Objective To analyze the ultrasonic features of thyroid microcarcinoma (TMC) and the causes of misdiagnosis. Methods The ultrasonic features including shape, margin, echogenecity, microcalcification, vascularity and lymphadenopathy were analyzed retrospectively in 26 pathologically-proven TMC patients. Results In 26 cases, 11 cases were diagnosed correctly before operation (11/26, 42.31%), 12 cases were misdiagnosed (12/26, 46.15%) as adenoma or benign nodule, and 3 cases were missed diagnosed (3/26, 11.54%). Among the 23 cases detected on ultrasound, 21 cases were solid and hypoechoic (21/23, 91.30%);19 cases were ill-defined (19/23, 82.61%);12 cases were taller than wide in shape (12/23, 52.17%); 14 cases had microcalcification (14/23, 60.87%); 7 cases showed central or peripheral blood flow signals (7/23,30.43%) with arterial resistance index>0.70 in 3 lesions and<0.70 in 4 lesions. Conclusions Several ultrasonographic features are helpful in identiifcation of TMC, including hypo/iso-echogenecity, ill-deifned margin, taller-than-wide shape, microcalciifcation, arterial signals with high resistance index, and abnormal lymphadenopathy. Moreover, for cases with multiple lesions, to the potential co-existence of benign and malignant lesions should be considered.

Objective To study the effect of comprehensive prehospital management for patients with emergency trauma treatment. Methods Fifty emergency patients who were admitted to the emergency department were investigated respectively before and after the implementation of the comprehensive prehospital management of the people's hospital of Gaozhou City, with the service satisfaction questionnaire, the Anxiety Self-assessment Scale (SAS) and the Depression Self-rating Scale (SDS) . The time of admission, first aid time, emergency treatment effect, satisfaction and mental status change of the two groups were compared. Results There was no statistically significant difference in age, gender, cause of injury and distribution of injury in the two groups (P>0.05) . The admission time and first aid time of the patients in the observation group respectively were (15.6±4.2) and (33.5±8.4) minutes, which were shorter than the control group of (24.3±5.0) and (60.5±10.2) minutes (P<0.05) . The emergency effect and satisfaction of the observation group were superior to the control group (P<0.05) . The difference between SAS and SDS scores in the observation group was 21.3 ±3.4 and 20.4±3.1, both of them were higher than the control group (12.1±2.7 and 12.8±2.5) (P<0.05) . Conclusion The comprehensive pre-hospital management can shorten the time of admission and first aid, and effectively improve the clinical treatment effect and satisfaction of emergency trauma patients.

Resveratrol, as a natural polyphenolic compound, has a wide range of beneficial effects, which includes anti-tumor, cardiovascular protection, anti-oxidant and estrogen-like effects, and so on. Its various physiological properties are closely related to the therapeutic principle for prevention and treatment of high altitude hypoxia injury. Resveratrol may play an important role in relieving or curing high altitude diseases, especially high altitude polycythemia(HAPC). However, the literature about study and application of resveratrol in plateau medicine field is rarely reported up to now. In this review, we summarized the physiological effects of resveratrol, discussed the possible main principle of resveratrol for HAPC therapy, and looked forward to resveratrol's perspective or potential application in high altitude medicine.
Altitude ; Humans ; Hypoxia ; drug therapy ; Polycythemia ; drug therapy ; Stilbenes ; pharmacology

Background: Wide resection margins of osseous tumors are associated with a low incidence of local recurrence, making accurate measurement of the intraosseous extent of primary malignant long bone tumors is crucial. We compared the intraosseous tumor extent assessed by magnetic resonance imaging (MRI) with the gross specimen to evaluate the accuracy of MRI. Methods: A total of 255 patients with primary malignant tumors in the long bones were included. Using MRI, we defined the length of tumor as the distance from the articular surface to the boundary between abnormal and normal marrow signal. The extent of the abnormal intraosseous signal was measured on unenhanced T1?weighted (T1WI) magnetic resonance images after chemotherapy. All gross surgical specimens were sectioned, and tumor extent was measured. Wilcoxon signed?rank test was used to test the differences between MRI and gross specimen findings. Spearman's correlation analysis was used to test the correlation between groups. Results: Median tumor length by gross specimen (112 mm; range, 45–300 mm) was longer than that by MRI (108 mm; range, 45–304 mm;Z = ?6.916, P < 0.001). Of 255 images, tumor length was accurately represented on 27 T1WI magnetic resonance images, overestimated on 79 images, and underestimated on 149 images. The median difference between imaging and gross specimen measurements was 2.0 mm (range: 1.0–15.0 mm) for the 79 cases where tumor length was overestimated, and 5.0 mm (range: 1.0–18.0 mm) for the 149 cases where tumor length was underestimated. The Spearman correlation demonstrated a high correlation of tumor length on gross specimen with the tumor length on MRI (R = 0.99, P < 0.01). Conclusions: We conclude that preoperative MRI could be a useful method in determining intramedullary malignant bone tumor boundaries and may serve as an accepted assessment method of long bone tumors before limb?sparing surgery.