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Biomedical subjects

P McCrorie

Publications and source records attributed to P McCrorie.

17 recordsLinked to original sources
PubMed2002

Selecting performance assessment methods for experienced physicians.

BACKGROUND: While much is now known about how to assess the competence of medical practitioners in a controlled environment, less is known about how to measure the performance in practice of experienced doctors working in their own environments. The performance of doctors depends increasingly on how well they function in teams and how well the health care system around them functions. METHODS: This paper reflects the combined experiences of a group of experienced education researchers and the results of literature searches on performance assessment methods. CONCLUSION: Measurement of competence is different to measurement of performance. Components of performance could be re-conceptualised within a different domain structure. Assessment methods may be of a different utility to that in competence assessment and, indeed, of different utility according to the purpose of the assessment. An exploration of the utility of potential performance assessment methods suggests significant gaps that indicate priority areas for research and development.

Clinical Competence↗
PubMed2002

Is insight important? measuring capacity to change performance.

BACKGROUND: Some doctors who perform poorly appear not to be aware of how their performance compares with accepted practice. The way that professionals maintain their existing expertise and acquire new knowledge and skills - that is, maintain their 'currency' of practice - requires a capacity to change. This capacity to change probably requires the individual doctor to possess insight into his or her performance as well as motivation to change. There may be a range of levels of insight in different individuals. At some point this reaches a level which is inadequate for effective self-regulation. Insight and performance may be critically related and there are instances where increasing insight in the presence of decreasing performance can also cause difficulties. OBJECTIVE: This paper presents an exploration into the nature of insight, its relationship to professional performance and its measurement as part of performance, reflecting the combined experiences of a group of experienced education researchers and the results of literature searches on insight and performance. CONCLUSION: There may be individuals in whom insight is so lacking that they are beyond remediation. If there is a dichotomy between adequate and inadequate levels of insight, testing this could be a cost-effective way of determining where efforts for remediation should be focussed.

Clinical Competence↗
PubMed2001

The General Medical Council's Performance Procedures: peer review of performance in the workplace.

The General Medical Council procedures to assess the performance of doctors who may be seriously deficient include peer review of the doctor's practice at the workplace and tests of competence and skills. Peer reviews are conducted by three trained assessors, two from the same speciality as the doctor being assessed, with one lay assessor. The doctor completes a portfolio to describe his/her training, experience, the circumstances of practice and self rate his/her competence and familiarity in dealing with the common problems of his/her own discipline. The assessment includes a review of the doctor's medical records; discussion of cases selected from these records; observation of consultations for clinicians, or of relevant activities in non-clinicians; a tour of the doctor's workplace; interviews with at least 12 third parties (five nominated by the doctor); and structured interviews with the doctor. The content and structure of the peer review are designed to assess the doctor against the standards defined in Good Medical Practice, as applied to the doctor's speciality. The assessment methods are based on validated instruments and gather 700-1000 judgements on each doctor. Early experience of the peer review visits has confirmed their feasibility and effectiveness.

Clinical Competence↗
PubMed2001

The assessment of poorly performing doctors: the development of the assessment programmes for the General Medical Council's Performance Procedures.

BACKGROUND: Modernization of medical regulation has included the introduction of the Professional Performance Procedures by the UK General Medical Council in 1995. The Council now has the power to assess any registered practitioner whose performance may be seriously deficient, thus calling registration (licensure) into question. Problems arising from ill health or conduct are dealt with under separate programmes. METHODS: This paper describes the development of the assessment programmes within the overall policy framework determined by the Council. Peer review of performance in the workplace (Phase 1) is followed by tests of competence (Phase 2) to reflect the relationship between clinical competence and performance. The theoretical and research basis for the approach are presented, and the relationship between the qualitative methods in Phase 1 and the quantitative methods in Phase 2 explored. CONCLUSIONS: The approach is feasible, has been implemented and has stood legal challenge. The assessors judge and report all the evidence they collect and may not select from it. All their judgements are included and the voice of the lay assessor is preserved. Taken together, the output from both phases forms an important basis for remediation and training should it be required.

Clinical Competence↗
PubMed2001

The General Medical Council's Performance Procedures: the development and implementation of tests of competence with examples from general practice.

OBJECTIVE: This paper describes the development of the tests of competence used as part of the General Medical Council's assessment of potentially seriously deficient doctors. It is illustrated by reference to tests of knowledge and clinical and practical skills created for general practice. SUBJECTS AND TESTS: A notional sample of 30 volunteers in 'good standing' in the specialty (reference group), 27 practitioners referred to the procedures and four practitioners not referred but who were the focus of concern over their performance. Tests were constructed using available guidelines and a specially convened working group in the specialty. METHODS: Standards were set using Angoff, modified contrasting group and global judgement methods, as appropriate. RESULTS: Tests performed highly reliably, showed evidence of construct validity, intercorrelated at appropriate levels and, at the standards employed, demonstrated good separation of reference and referred groups. Likelihood ratios for above and below standard performance based on competence were large for each test. Seven of 27 doctors referred were shown not to be deficient in both phases of the performance assessment.

Adult↗
PubMed2001

Training the assessors for the General Medical Council's Performance Procedures.

From July 1997, the General Medical Council (GMC) has had the power to investigate doctors whose performance is considered to be seriously deficient. Assessment procedures have been developed for all medical specialties to include peer review of performance in practice and tests of competence. Peer review is conducted by teams of at least two medical assessors and one lay assessor. A comprehensive training programme for assessors has been developed that simulates the context of a typical practice-based assessment and has been tailored for 12 medical specialties. The training includes the principles of assessment, familiarization with the assessment instruments and supervised practice in assessment methods used during the peer review visit. High fidelity is achieved through the use of actors who simulate third party interviewees and trained doctors who role play the assessee. A subgroup of assessors, selected to lead the assessment teams, undergo training in handling group dynamics, report writing and in defending the assessment report against legal challenge. Debriefing of assessors following real assessments has been strongly positive with regard to their preparedness and confidence in undertaking the assessment.

Competency-Based Education↗
PubMed2000

Patient-oriented learning: a review of the role of the patient in the education of medical students.

AIM: To explore the contribution patients can make to medical education from both theoretical and empirical perspectives, to describe a framework for reviewing and monitoring patient involvement in specific educational situations and to generate suggestions for further research. METHODS: Literature review. RESULTS: Direct contact with patients can be seen to play a crucial role in the development of clinical reasoning, communication skills, professional attitudes and empathy. It also motivates through promoting relevance and providing context. Few studies have explored this area, including effects on the patients themselves, although there are examples of good practice in promoting more active participation. CONCLUSION: The Cambridge framework is a tool for evaluating the involvement of patients in the educational process, which could be used by curriculum planners and teachers to review and monitor the extent to which patients are actively involved. Areas for further research include looking at the 'added value' of using real, as opposed to simulated, patients; more work on outcomes for patients (other than satisfaction); the role of real patients in assessment; and the strengths and weaknesses of different models of patient involvement.

Clinical Competence↗
PubMed1994

A survey of medical undergraduate community-based teaching: taking undergraduate teaching into the community.

This article summarizes the findings of a survey investigating the extent to which medical schools in the United Kingdom have developed community-based undergraduate teaching: the types of courses being run and their content; whether they are being evaluated; and how the students are assessed. Courses have been categorized under four main headings: (1) based in general practice, for teaching about general practice as a clinical specialty or using practice patients for teaching general medicine and basic clinical skills; (2) community-oriented, led by GP or community tutors; (3) specialist teaching led by hospital consultants; and (4) agency-based teaching. Twenty-eight schools responded to a written request for information and details of 83 courses were received.

Community Medicine↗
PubMed1994

The personal tutor system: an evaluation.

The stressful nature of medical student training is being increasingly recognized. This study describes a questionnaire survey of the long running personal tutor system (intended to help with social as well as educational needs of clinical students), at a London medical school. Just over one half of students and one third of tutors were highly satisfied with the system. Satisfaction in students was linked with regularity, but not frequency, of meetings, being 'chased' by tutors, and engaging in social as well as educational activities. A small but worrying percentage of students reported that they would not be able to share personal or academic difficulties with tutors, highlighting the need for other avenues of support/counselling to be made available to students.

Attitude of Health Personnel↗
PubMed1987

Glycoproteins of trypanosomes: their biosynthesis and biological significance.

1. Trypanosomes are unicellular parasites that cause human sleeping sickness in Africa and Chagas' disease in South America. Glycoproteins are important components of their plasma membrane. 2. The bloodstream form of the extracellular salivarian African trypanosome (e.g. Trypanosoma brucei) has the ability to express on its cell surface a repertoire of variant surface glycoproteins (VSGs) and in so doing, evades the immune response of the host (antigenic variation). 3. The VSG is probably synthesized initially in a manner like that of the membrane-bound glycoproteins of mammalian systems, but it also undergoes some novel post-translational modifications. 4. The stercorarian South American trypanosome (Trypanosoma cruzi) is an intracellular parasite which expresses different glycoproteins on its plasma membrane at various stages of its life-cycle, but does not exhibit antigenic variation. 5. The biosynthesis and functions of trypanosomal glycoproteins are compared with those of mammalian glycoproteins, and are discussed with particular reference to potential targets for chemotherapy and immunotherapy of trypanosomiasis.

Animals↗
PubMed1986

Lipid composition of bloodstream forms of Trypanosoma brucei brucei.

The qualitative and quantitative lipid composition of bloodstream forms of Trypanosoma brucei brucei S42 was compared with that of rat plasma and erythrocytes. The concentrations of lipid-bound phosphate and lipid-bound sialic acid in the trypanosomes were markedly higher than those of the rodent tissues. There was no trace in the trypanosomes of dolichol or dolichol phosphate. Trypanosomes contained two unidentified lipids: an acidic phospholipid and a highly polar glycolipid.

Animals↗
PubMed1978

The advantage of a build-up anti-globulin technique for the detection of immunoglobulin on the red cells of rabbits infected with trypanosomes. A preliminary report.

A build-up anti-globulin technique has been used to detect immunoglobulin on the red cells of rabbits infected with Trypanosoma brucei brucei S 42 and 427. The method, which is useful for the detection of immunoglobulin on sparsely coated red cells, involves treating the red cells of infected rabbits with antiglobulin followed by alternate globulin and antiglobulin layers until a lattice is built up which allows agglutination to occur. The red cells of five infected rabbits have been tested with anti-rabbit IgG,-IgM and broad spectrum anti-globulin reagents at intervals after infection and following the administration of Berenil, a drug which destroys trypanosomes. The positive anti-globulin reactions which developed following inoculation with trypanosomes were much reduced after giving Berenil. The tests became more strongly positive again in two rabbits after reinfection.

Animals↗