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The formulation and evaluation of rapid release tablets manufactured from Artemisia Afra plant material.Komperlla, Mahesh Kumar January 2004 (has links)
<p>Infusions, decoctions, alcoholic preparations and other dosage forms of Artemisia afra are frequently used in South African traditional medicine. Generally when these preparations are made without applying good manufacturing practices they do not meet microbial quality control standards, safety and toxicity criteria and encourage poor patients compliance. To overcome the aforementioned disadvantages of traditional dosage forms a sold dosage form, i.e. a table might be recommended. The first objective of this study was to formulate and manufacture a rapid release tablet dosage of Artemisia afra that would contain an amount of plant material equivalent to that found in its traditional liquid dosage forms and that would meet conventional pharmaceutical standards. The second objective was to conduct a pilot study to obtain a preliminary profile of the bioavailability of select flavonoids presents in both the tablet and traditional liquid preparation of Artemisia afra in humans.</p>
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Clinical research and drug prescription patterns among private practitioners in Hong KongYiu, Kar-lok., 姚嘉諾. January 2005 (has links)
published_or_final_version / Medical Sciences / Master / Master of Medical Sciences
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The impact of therapeutics tutorials on the reasoning of fourth year medical students with regard to the prescribing process.Harries, Catherine Sara. January 2005 (has links)
This research was initiated as a response to a request for assistance from a group of students
at the Nelson R Mandela School of Medicine who had reported feeling unprepared to
prescribe medicines. This led to an interest in the level of competence shown by students in
making prescribing decisions and the extent to which they were confident of their prescribing
judgments.
Student prescribing competence and confidence were assessed using quantitative and
qualitative methods. The quantitative assessment comprised a test where students were asked
to rate their confidence in some of their responses. A stratified sample of 10 of these student
interviewed, where they were asked to choose treatment for four paper cases. Prescribing
skills were found to be lacking, with test results averaging 47%. appropriate treatment
selected for only 4 of the total of 40 paper cases. Upon reviewing the literature, it became
apparent that poor prescribing skills, leading to the problem of irrational prescribing was a
worldwide phenomenon The study aimed to address areas of weak prescribing skill using a
short intense intervention comprising of several different learning strategies. Student change
in confidence following the course was assessed using an evaluation form where students
rated their perceived changes in key competences. Students showed improved confidence for
each of the prescribing abilities measured.
These findings have been compiled into 3 research publications, the texts of which are bound
together as they were submitted together to comply with the research requirement of an M.Ed.
The findings are reported in a paper titled Building successful therapeutics into a problembased
medical curriculum in Africa in the South African Journal of Higher Education (see
Appendices).
I was also interested in how prescribing ability builds as students develop new prescribing
skills. The student interviews provided an opportunity to explore the variation shown between
the students relating to the quality of the treatment they prescribed for a given paper case. A
sample of two sets of paper cases were assessed using a phenomenographic method, yielding
two different perspectives of student experience.
The research outlined above is the focus of the dissertation, which also includes an
exploration of the teaching and learning issues which guided the design of the intervention
and which I believe led to the positive finding of improved student prescribing confidence.
Also included in the dissertation is an analysis of the quantitative assessment according to the
cognitive categories of Bloom's Taxonomy, as well as qualitative data gathered from student
interviews which revealed an understanding about prescribing abilities which predominated at
differing Bloom cognitive levels for different students.
In the second paper titled Undergraduate medical students' reasoning with regard to the
prescribing process which has been submitted to Medical Teacher, (see Appendices) the
range of student cognition associated with prescribing is explored. Each question from the
quantitative assessment of prescribing abilities were grouped according to the Bloom
Category it had been assigned, student scores according to each Bloom category were
calculated. Students scored highest for the lowest cognitive category ('knowledge') and
lowest for the highest ranked cognitive categories( 'evaluation' and 'synthesis'). These
findings along with the qualitative findings and the phenomenographic assessment were
reported here. / Thesis (M.Ed.)-University of KwaZulu-Natal, Pietermaritzburg, 2005.
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The development and evaluation of the Objective Structured Dispensing Examination (OSDE) for use in an undergraduate pharmacy training programme.Frieslaar, Denise Eleanor January 2004 (has links)
No description available.
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The formulation and evaluation of rapid release tablets manufactured from Artemisia Afra plant material.Komperlla, Mahesh Kumar January 2004 (has links)
<p>Infusions, decoctions, alcoholic preparations and other dosage forms of Artemisia afra are frequently used in South African traditional medicine. Generally when these preparations are made without applying good manufacturing practices they do not meet microbial quality control standards, safety and toxicity criteria and encourage poor patients compliance. To overcome the aforementioned disadvantages of traditional dosage forms a sold dosage form, i.e. a table might be recommended. The first objective of this study was to formulate and manufacture a rapid release tablet dosage of Artemisia afra that would contain an amount of plant material equivalent to that found in its traditional liquid dosage forms and that would meet conventional pharmaceutical standards. The second objective was to conduct a pilot study to obtain a preliminary profile of the bioavailability of select flavonoids presents in both the tablet and traditional liquid preparation of Artemisia afra in humans.</p>
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Assessment of the rational use and availability of antimicrobials at primary level health facilities under the Lusaka district community health office, ZambiaPhiri, Ephraim January 2016 (has links)
Magister Public Health - MPH / Background: The irrational use of medicines, and increasingly antimicrobials, remains a key health problem in many developing countries including Zambia. Inappropriate, ineffective and inefficient use of medicines is common in health facilities at all levels. There are many factors influencing irrational prescribing and dispensing of antimicrobials including patients, prescribers, dispensers, the supply
system (including industry influences), government regulations and medicines information and misinformation. Study aim: The aim of the study was to assess the rational use and availability of antimicrobials at primary level health facilities under the Lusaka district community health office, Zambia. Study design: The study was a cross-sectional descriptive study, with prospective and retrospective components. A
standardized research methodology, including tools and indicators, adapted from the World Health Organization, was employed. Study population and sampling: The study population included all the 30 government primary level health facilities (health centres) in Lusaka District, from which 20 primary health facilities were sampled using a combination of purposive and random sampling. Using the WHO standard indicators of rational drug use, this study assessed 800 patient encounters, 520 medicines inventory records, and other baseline data, from 20 health facilities at three different levels under the Lusaka district community health office, Zambia.
Data collection: The data collection tools were numbered and labeled. Tool 1: Prescribing Indicator Form was used to collect prescribing data; Tool 2: Patient Care (Pharmacy) Form was used to record dispensing data; Tool 3: Antimicrobial Availability Form for recording data for the availability of the key indicator
antimicrobials and their substitutes; Tool 4: Facility Indicator Consolidation Reporting Form was used for consolidating the data collected for each health facility under study; and Tool 5: Facility Medicines Use Indicator Consolidation Form was used for the consolidation of the drug use data for the entire study. Third year Pharmacy Technology students were trained for the data collection process. The patients were first observed from outside the prescriber's room and the dispensing area for consultation and dispensing times respectively, and then they were interviewed to collect the prescribing and dispensing data. The tools were pre-tested. Data analysis: After data checking and consolidation, quantitative data were categorized into continuous numerical variables. Calculations were done manually and using computerized analysis (Epi Info package) and presented as simple frequency and means. Ethics: Ethical clearance for the study was obtained from University of the Western Cape Senate Research Committee. Permission was obtained from the Lusaka Provincial and District health offices, being the
authorities that are overseeing the health facilities included in the study. Furthermore, permission was obtained from the health centre in-charges. Consent was obtained from healthcare providers and patients. Key results and discussion:
The study found that at the primary level facilities there were more Clinical Officers (55%) than Medical Doctors (25%) and Registered Nurses (20%) in charge of prescribing. The main dispensers were Pharmacy Technologists (85%); there were no Pharmacists available in any of the facilities. A third [259 (32.4 %)] of all the 800 patients in the study were children below 12 years of age. Across the clinics, a mean of 2.94 medicines were prescribed per prescription, with an extremely low rate of prescribing drugs by generic name (36.7%). The proportion of prescriptions including an antibiotic was 36.2 % and 3.4 % included an injectable drug. Linking the antimicrobials and injections to patient diagnoses indicated that many were probably irrational, prescribing decisions. Amoxicillin and metronidazole were by far the most commonly prescribed antimicrobials at 32.0 % and 17.2 % of total antimicrobials, respectively. The essential drugs list was available in 80.0% of facilities and a high percentage of medicines were prescribed from the essential medicines list (81.2%). The overall mean percentage of medicines packages correctly labeled was considerably low at 44.8 %. The average consultation time was short at 4.0 (range 1-8.4) minutes, whereas the dispensing times were
equally short and averaged at 116.6 (range 15-360) seconds, with the range of 15 to 360 seconds. The average percentage of first line antimicrobials available at health facilities was 79 %; and the average percentage of second line, substitute, antimicrobials available was 15 %. Conclusion: In line with studies from other settings, this medicines use study found considerable overuse and irrational use of antimicrobials in the primary health care clinics in Lusaka District. Irrational
medicine prescribing was common and poor dispensing practices were also seen, resulting in poor use of and adherence to medicines and, consequently, poor therapeutic outcomes. Recommendations: Several recommendations have been formulated. They include: Reinforcing the Drug Therapeutic Committees (DTCs) at the national and the local facility level to help manage medicines use;
clarification of prescribers and dispensers roles and responsibilities; development, enforcement or adaption of standard operating procedures (SOPS) for prescribing and dispensing; and improvement of prescribing and dispensing practices through introduction of appropriate education, supervision and audit.
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The association between meteorological parameters and the prescription patterns for asthma and allergic rhinitis, as observed in Pretoria during a one-year periodRetief, Johannes Hendrik 30 November 2006 (has links)
Please read the abstract in the 00front part of this document / Dissertation (MSc (Clinical Epidemiology))--University of Pretoria, 2006. / Clinical Epidemiology / unrestricted
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Drug prescribing and administration changes in hospitalized geriatric patients : analysis of three drug utilization review programsElzarian, Edward James 01 January 1978 (has links)
Elderly people, or those over 65 years of age, are known to comprise 10% of the United States population today and are projected to reach nearly 12% by the year 2000. Further, 5% of this population is reported to be institutionalized resulting in approximately 1.1 million chronic care patients or 0.5% of the population. The use of drugs in this population comprises approximately 25% of the prescription drug market in the United States which is directly related to the greater occurrence of pathological problems associated with the aging process. While it is evident that the beneficial outcome of drug therapies is partially related to the increased longevity observed in these elderly people, this population is also well-known to be the most prone to adverse drug reactions. Factors complicating drug use in the elderly include high usage, chronic therapy, long-term hospitalization, inappropriate and multiple prescribing of drugs, inadequate monitoring of adverse drug effects, susceptibility to physical deterioration and senility.
Therefore, the objective of this project is to test the hypothesis that the quality and cost of drug therapy in SNF patients can be significantly improved by implementing measures to improve the utilization of drugs.
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Providing behavioral data to physicians for enhancing medication treatment for chronically mentally disabled individualsPatterson, Nona L. 01 January 1987 (has links)
Physicians are often unaware of mentally disabled outpatients' symptomatic behaviors that are relevant to their medication prescriptions. Such information is available to the clients' residential care providers . The present study trained clients' residential care providers in data collection and provided these data to physicians. It was predicted that these data would improve medication treatment for these clients and consequently lead to a decrease in client's symptomatic behaviors . The results did not confirm the predictions; the data provided to physicians on clients' between- visit behaviors had no measured effect on the physicians' treatment of these clients, although the physicians reported positive attitudes about the helpfulness and utility of ·the system .
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Implementation of international treatment guidelines in the treatment of schizophrenia : a study of the effects of an evidence-based seminar on the knowledge and treatment habits of a sample of international psychiatristsJoubert, Andre Francois 12 1900 (has links)
Thesis (DMed (Psychiatry))--University of Stellenbosch, 2007. / This study reports on the effect of seminar education by studying changes in knowledge, attitude and behaviour to haloperidol prescribing patterns of psychiatrists who In summary, this study demonstrated a direct relationship between seminar attendance and changes to selected minimum effective haloperidol dose and duration of treatment. However, seminar attendance did not appear to be a significant factor in changes to antipsychotic class used for treatment and changes in optimal effective haloperidol dose: rather a change in the level of “background” knowledge of participants was most likely responsible. This study also found individual participant characteristic differences in those who did change treatment duration and minimum effective dose.
In conclusion, this study showed that the successful integration of international treatment recommendations into daily psychiatric practise could be facilitated by the use of appropriate educational seminars. Not all attendees benefit i.e. “learn”, but those needing to “learn” most do - i.e. those who need to change their prescribing habits most to meet internationally accepted guidelines. The peer exposure provided allows a format for informed discussion and the practise of evidence-based medicine. The judicious use of such seminars should result in better treatment options and outcomes for patients.attended evidence-based schizophrenia seminars presented by the Lundbeck Institute in Denmark. The objectives of the study were two-fold. Firstly, it set out to determine whether changes actually occurred in the post-seminar haloperidol prescribing behaviour of participants. This was done by analysing changes in choice of optimal haloperidol dose (both in acute treatment i.e. most effective dose and maintenance treatment i.e. minimum effective dose), selected duration of treatment (for first- and multi-episode schizophrenia patients) and drug-class used (conventional versus new generation antipsychotic). The study then investigated whether these changes (if they occurred) could be ascribed wholly or in part to the effect of schizophrenia seminar attendance, or whether other factors e.g. scientific progress over time in understanding schizophrenia and its treatment (“background” knowledge) and differences between participant datasets studied (only paired pre- and post-seminar data were used in this study) also played a role. Secondly, it attempted to identify factors predictive of seminar participants changing their haloperidol prescribing behaviour post-seminar i.e. what were the factors that predisposed some attendees to change their prescribing behaviour? This was done by analysing the effect that pre-seminar prescribing behaviour, participant nationality, patient caseload, work experience and workplace environment had on post-seminar behaviour.
Results show that changes did occur in post-seminar haloperidol prescribing behaviour, but that they were not always due to an effect of seminar attendance. Only the changes in the minimum effective haloperidol dose and duration of treatment for first- and multi-episode schizophrenia patients could validly be ascribed to the effects of schizophrenia seminar attendance. Furthermore, multivariate analysis of the factors relating to these changes found that a participant was most likely to change their selected minimum effective haloperidol dose to be more in line with internationally accepted standards if they i) selected above the target dose pre-seminar, ii) had a relatively low caseload comprised mainly of schizophrenia patients and iii) came from either Greece, Germany, Britain, Spain, Italy or some other Eastern European country. The single most important factor related to changes in duration of treatment was found to be pre-seminar behaviour: respondents below the recommended duration of treatment increased their duration of treatment significantly.
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