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Biomedical subjects

G Bunch

Publications and source records attributed to G Bunch.

5 recordsLinked to original sources

Competencies of basic surgical trainees.

The primary objective of the Hospital Recognition Committee is to ensure that the so-called lost tribe of SHOs in surgery obtain a properly structured training during each six-month post (1). Systematic, supervised training for Senior House Officers (SHOs) is a vital prelude to optimum Higher Specialist Training (2). The identification of the components of competence would be a good starting point for training, appraisal and ultimately assessment. Competence is more than performance based on knowledge (3), skills (4) and professional attitudes (5). It is the way in which these elements are combined and applied in the clinical arena that makes the concept of competence crucial to good practice (6). This integrated approach to competence was the reason that a piece of research--jointly funded by the National Health Service Executive and the Department for Education and Employment--was undertaken. It was conducted within the Yorkshire and Northern Region. Its object was to identify the competencies--both core and specialty specific--of SHOs, in a variety of specialties. This paper presents our findings in relation to Basic Surgical Training. Clearly there is a continuum which starts on the first day in the grade and ends after two years, or when they have developed the appropriate skills. During this period the SHO should gradually increase his competence so that at the end he is able to accept the responsibilities of a specialist registrar. Our continuum defines initial and target competency standards which can be used as the basis of SHO appraisals and possibly inspection visits. Our attention has focused upon SHOs rather than those elements of training that are provided by the post, eg, rotas, time-tables, and teaching sessions(7).

Attitude of Health Personnel

Use of technetium-labeled red blood cell scintigraphy in the detection and management of gastrointestinal hemorrhage.

The effectiveness of technetium 99m-labeled red blood cell scintigraphy in localizing hemorrhage, directing surgical intervention, and screening patients for arteriography was determined in 103 patients. The radionuclide scan result was compared to the bleeding site determined by arteriography, endoscopy, or surgery. Eighty-five patients had a bleeding site identified; 18 patients did not and were excluded. Thirty-one scans were performed in 29 patients for upper gastrointestinal hemorrhage. Five positive scans incorrectly localized an upper gastrointestinal bleeding site, although two scans localized the site, for a scan sensitivity of 8%. Fifty-nine scans were performed in 56 patients with lower gastrointestinal bleeding. Fifteen scans were positive, three incorrectly localizing the hemorrhage. Seventy-four percent of the patients with lower gastrointestinal hemorrhage documented by arteriography, endoscopy, or surgery had negative scans for bleeding. The radionuclide scan sensitivity for lower gastrointestinal bleeding was 23%. Surgery was required in 18 patients for bleeding, 11 of whom had negative scans for bleeding. In seven surgical patients with positive scans, in no instance did the scan direct the surgical intervention. Eighteen patients underwent scintigraphy and arteriography; nearly one half of the patients with negative scans for bleeding had positive localizing arteriograms, although almost one half of the patients with positive scans for bleeding had negative arteriograms. Scintigraphy failed to localize hemorrhage in 85% of the patients. Technetium 99m-labeled red blood cell scintigraphy did not direct surgical intervention, nor did it adequately screen patients for arteriography.

Adult

Partial translocation of NOR and its activity in a balanced carrier and in her cri-du-chat fetus.

Cytogenetic analysis of a balanced reciprocal translocation t(5;13) carrier and her unbalanced 5p- conceptus was carried out. This carrier mother had previously given birth to a child with cri-du-chat syndrome. Silver staining demonstrated the breakpoint on 13p within the nucleolus organizer region (NOR). In the carrier, the NORs both at the original site (13p) and at the translocated site (5p) were silver-stained, indicating that the rRNA genes at both sites were transcribed. The NOR at the derivative chromosome 5 was also silver-stained in the fetus.

Adult