Generic prescribing is a sound approach to contain health care costs. However, little is known about physicians’ prescribing patterns in the Thai context.Objective:To explore physicians’ generic prescription patterns in district hospitals.Methods:Data was collected from three of the eight district hospitals between January and December 2008 (final response rate 37.5%). All participating hospitals were between 30 and 60-bed capacity. The researchers reviewed 10% of total outpatient prescriptions in each hospital.Results:A total of 14,500 prescriptions were evaluated. The majority of patients were under universal health coverage (4,367; 30.1%), followed by senior citizens’ health insurance (2,734; 18.9%), and civil servant medical benefit schemes (2,419; 16.7%). Ten thousand six hundred and seventy-one prescriptions (73.6% of total prescriptions) had at least one medication. Among these, each prescription contained 2.85 (SD=1.69) items. The majority of prescriptions (7,886; 73.9%) were prescribed by generic name only. Drugs prescribed by brand names varied in their pharmacological actions. They represented both innovator and branded-generic items. Interestingly, a large number of them were fixed-dose combination drugs. All brand name prescriptions were off patented. In addition, none of the brand-name drugs prescribed were categorized as narrow therapeutic range or any other drug that had been reported to have had problems with generic substitution.Conclusion:The majority of prescriptions in this sample were written by generic names. There is room for improvement in brand name prescribing patterns.
The plant growth-promoting rhizobacterium Bacillus cereus RS87 was previously reported to promote plant growth in various crops in both greenhouse and field trials. To apply as a plant growth promoting agent with practical use, it is essential to ease the burden of routine preparation of a fresh suspension of strain RS87 in laboratory. The objectives of this study were to investigate the feasibility of film-coating seeds with B. cereus RS87 spores for early plant growth enhancement and to reveal the indoleacetic acid (IAA) production released from strain RS87. The experiment consisted of the following 5 treatments: nontreated seeds, water-soaked seeds, film-coated seeds, seeds soaked with vegetative cells of strain RS87, and film-coated seeds with strain RS87 spores. Three experiments were conducted separately to assess seed emergence, root length, and plant height. Results showed that both vegetative cells and spores of strain RS87 significantly promoted (P < or = 0.05) seed emergence, root length and plant height over the control treatments. The strain RS87 also produced IAA. In conclusion, the film coating of seeds with spores of B. cereus RS87 demonstrated early plant growth enhancement as well as seeds using their vegetative cells. IAA released from strain RS87 would be one of the mechanisms for plant growth enhancement.
To achieve the goal of reducing the levels of chemical fertilizers applied in rice production, there is a need to develop microorganisms with the capacity to enhance plant growth. Previous studies have demonstrated that Bacillus cereus RS87 promotes growth of various plants in greenhouse and field trials. The objectives of this study were to (i) evaluate the efficacy and determine the optimum concentration of B. cereus RS87 to enhance growth of various Thai rice cultivars, (ii) measure the chlorophyll content in leaves affected by strain RS87, and (iii) investigate the capacity of strain RS87 to solubilize phosphate and produce siderophores. Three concentrations of strain RS87 (log 6.0, log 7.0, and log 8.0 CFU/mL) were applied to each rice cultivar. Superior responses (i.e., enhanced development of roots and shoots of all rice cultivars) were observed using RS87 at log 8.0 CFU/mL compared with lower bacterial concentrations and the water-treated control treatment. In addition, log 8.0 CFU/mL of RS87 provided the greatest root length and plant height of all rice cultivars 45 days after planting in the greenhouse. Rice leaves treated with log 8.0 CFU/mL of RS87 yielded the highest total chlorophyll, specifically chlorophyll a and chlorophyll b, compared with the control. Strain RS87 also solubilized phosphate and produced siderophores. The results of these studies demonstrate that log 8.0 CFU/mL is the optimum concentration of strain RS87 for growth promotion of various Thai rice cultivars.
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