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排序方式: 共有217条查询结果,搜索用时 15 毫秒
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Aekplakorn W Bunnag P Woodward M Sritara P Cheepudomwit S Yamwong S Yipintsoi T Rajatanavin R 《Diabetes care》2006,29(8):1872-1877
OBJECTIVE: The objective of this study was to develop and evaluate a risk score to predict people at high risk of diabetes in Thailand. RESEARCH DESIGN AND METHODS: A Thai cohort of 2,677 individuals, aged 35-55 years, without diabetes at baseline, was resurveyed after 12 years. Logistic regression models were used to identify baseline risk factors that predicted the incidence of diabetes; a simple model that included only those risk factors as significant (P < 0.05) when adjusted for each other was developed. The coefficients from this model were transformed into components of a diabetes score. This score was tested in a Thai validation cohort of a different 2,420 individuals. RESULTS: A total of 361 individuals developed type 2 diabetes in the exploratory cohort during the follow-up period. The significant predictive variables in the simple model were age, BMI, waist circumference, hypertension, and history of diabetes in parents or siblings A cutoff score of 6 of 17 produced the optimal sum of sensitivity (77%) and specificity (60%). The area under the receiver-operating characteristic curve (AUC) was 0.74. Adding impaired fasting glucose or impaired glucose tolerance status to the model slightly increased the AUC to 0.78; adding low HDL cholesterol and/or high triglycerides barely improved the model. The validation cohort demonstrated similar results. CONCLUSIONS: A simple diabetes risk score, based on a set of variables not requiring laboratory tests, can be used for early intervention to delay or prevent the disease in Thailand. Adding impaired fasting glucose or impaired glucose tolerance or triglyceride and HDL cholesterol status to this model only modestly improves the predictive ability. 相似文献
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Splenic Fc receptor function in host defense and anemia in acute Plasmodium falciparum malaria 总被引:2,自引:0,他引:2
M Ho N J White S Looareesuwan Y Wattanagoon S H Lee M J Walport D Bunnag T Harinasuta 《The Journal of infectious diseases》1990,161(3):555-561
To determine splenic Fc receptor function in patients with acute Plasmodium falciparum malaria, the clearance of IgG-coated autologous 51Cr-labeled erythrocytes in 20 patients and 10 normal controls was studied. Clearance half-times were directly correlated with both the absolute parasite count (r = .635, P less than .005) and hematocrit (r = .791, P less than .001). Clearance half-times in patients varied from 1.0 to 96.3 h (median, 14.8 h) while those of controls ranged from 8.0 to 80.3 h (median, 23.1 h) (P = .10). Nine of the 20 patients had clearance half-times shorter than the lower 95% confidence limit of controls (less than 12.4 h). The clearance of IgG-coated erythrocytes was accelerated after parasites were eliminated from the circulation (P less than .05) and returned toward normal 6-8 weeks after the acute infection. Although circulating immune complexes were detectable, there was no correlation between immune complex levels and clearance half-times (P greater than .05). The failure to increase Fc receptor-mediated red cell clearance in patients with high parasitemias suggests inadequate splenic phagocytic activity in the face of considerable antigenic challenge. These findings indicate that splenic Fc receptor function may be important both in the control of infection and the development of anemia in P. falciparum malaria. 相似文献
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S Vanijanonta D Bunnag 《The Southeast Asian journal of tropical medicine and public health》1985,16(3):435-440
Twelve patients with cysticercosis including two cases of subcutaneous cysticercosis and ten cases of combined subcutaneous and, cerebral cysticercosis were treated with praziquantel 30 mg per kilogram of body weight daily in 3 divided doses for 10 days. To minimize possible reactions due to the death of parasites prednisolone 10 mg three times a day was also given in most cases. During treatment, an intense inflammatory reaction occurred as evidenced by increased intracranial pressure and convulsions. Histopathological findings studied at 2 weeks post treatment revealed lymphocytic and plasma cell infiltrations with destruction of the larvae. Clinical response was evident at one week post treatment, manifested by a significant decrease in size of the subcutaneous cysts which gradually disappeared at the end of three months. Radiology of soft tissues showed distortion of semicalcified cysts. Brain computerized tomography at 6 months post treatment showed disappearance of the cysts presumed to be due to death of cystercerci and marked reduction in numbers and size of other stages of cysts. Mild and transient side effects were observed in 25% of cases. Two patients (17%) had severe side effects and one (8%) had convulsions during treatment. 相似文献
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D Bunnag J Karbwang C Viravan S Chitamas T Harinasuta 《The Southeast Asian journal of tropical medicine and public health》1992,23(3):377-382
A comparative trial of the combination of mefloquine or MSP with tetracycline was carried out in fifty-one adult Thai male patients with acute falciparum malaria. The patients were randomized to receive either the combination of tetracycline (250 mg qid for 7 days) with mefloquine 4 tablets (1,000 mg) or with MSP 4 tablets (one tablet contains 250 mg mefloquine, 500 mg sulfadoxine and 25 mg pyrimethamine). Fifty patients had a complete 28-day follow-up period. Both regimens produced similar efficacy with no difference in adverse effects. In the mefloquine plus tetracycline group, the cure rate was 72% (18/25). One patient had an RIII response, the others showed initial response to the treatment with FCT and PCT of 40.7 +/- 27.4 and 76.2 +/- 34.2 hours (mean +/- SD) respectively. However, 6 patients developed recrudescence between days 17 and 29 (RI), 3 of these had vomiting. In the MSP plus tetracycline group, the cure rate was 76% (19/25). The means (+/- SD) of FCT and PCT were 44.7 +/- 38.0 and 80.6 +/- 25.0 hours, respectively. Six patients had recrudescence between days 17 and 31 (RI), 2 of these had vomiting. Although the addition of tetracycline improved the cure rate of mefloquine when compared with standard dose of mefloquine alone (3 tablets), these combinations seem to be useful in areas where alternative drugs are not available. 相似文献
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D Bunnag J Karbwang T Harinasuta 《The Southeast Asian journal of tropical medicine and public health》1992,23(4):762-767
Artemether has the potential to be an alternative antimalarial for multiple drug resistant falciparum malaria. However, it has been associated with high recrudescent rates which may be due to incorrect dosage regimens. The dosage regimens are varied from country to contry. We have carried out a comparative study of two dosage regimens, ie 480 mg and 600 mg total dose given over 5 days in uncomplicated and severe falciparum malaria. 167 patients were included in the study, 61 with acute uncomplicated falciparum malaria and 106 with severe malaria. All patients showed a good initial response. The difference in total dose had no effect on the parasite or fever clearance time (PCT or FCT). However, the severity of the disease did have some influence of these times. The PCT and FCT from either regimen of uncomplicated malaria were significantly faster than those of severe malaria (p < 0.005 and = 0.05, respectively). The cure rate seems to have some correlation with the amount of drug given and severity of the disease. The cure rates in uncomplicated malaria were 84 and 92%, respectively, for 480 mg and 600 mg. In severe malaria the cure rates dropped to 65 and 76%, respectively, for 480 and 600 mg. We conclude that artemether can be considered as an alternative antimalarial for multiple drug resistant falciparum malaria. However, the cure rate of severe falciparum malaria in this study is not considered satisfactory in areas with multiple drug resistant falciparum malaria. Further studies are needed to assess the curative efficacy with different dosage regimens.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
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S Pukrittayakamee A Nontprasert N J White D A Warrell D Bunnag 《The Southeast Asian journal of tropical medicine and public health》1990,21(2):231-237
Three monoclonal antibodies (WPN1, WPN2 and WPN3) raised against a partially purified fraction of Russell's viper venom (RVV) were characterized. All three monoclonal antibodies reacted with crude RVV when tested by ELISA, but only two (WPN1, WPN2) neutralized its hyaluronidase activity. WPN1 was the more potent and was effective at an antigen: antibody ratio of 1:3. Furthermore, WPN1 was shown to recognize only the 14,000 MW component of crude RVV. This has been identified in a previous study to be hyaluronidase. This antibody was also found to recognize some components of Calloselasma rhodostoma venom which also possesses potent hyaluronidase activity. The potential therapeutic role of antibodies that neutralize the hyaluronidase component of snake venoms should be investigated further. 相似文献
10.
S Vanijanonta D Bunnag T Harinasuta 《The Southeast Asian journal of tropical medicine and public health》1984,15(1):122-128
The routine chest roentgenogram of pulmonary paragonimiasis heterotremus were evaluated in 93 Thai and Laotian patients. They were 44 males and 49 females; the ages ranged from 12 to 79 years; the history of illness ranged from 4 months to 14 years and the egg output per day was 400 to 300,000. Twelve patients, 12.9% had normal roentgenologic films and 81 patients (87.1%) had abnormalities with 316 lesions; 22.2% had one lesion and 77.7% had multiple lesions. The common lesions were cystic formation, multiple or single and linear infiltration. Both lower lobes of the lungs and the left upper lobe were the common sites but any part of the lung may be affected. There were correlation between the duration of illness, number of eggs output per day and the extent of the lesions. The longer the duration of illness or the higher number of eggs output per day the more extensive lesions in the X-ray films have been observed. 相似文献