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Biomedical subjects

F Bishop

Publications and source records attributed to F Bishop.

13 recordsLinked to original sources
PubMed2005

Scanning laser tomography of full thickness idiopathic macular holes.

AIM: We used a retinal tomographic analyser to study the profile of the retinal surface in patients with stage 3 and 4 idiopathic macular holes, to attempt to elucidate the direction of forces present. METHODS: The Heidelberg retina tomograph was used to acquire a three-dimensional tomographic image of the macula in each eye of 21 consecutive patients with full thickness macular hole. RESULTS: The surface profile showed an elevated rim around the 24 macular holes imaged, with a gently sloping outside edge and a steeply sloping inside edge. In addition, a ring of elevated tissue around the edge of the hole was observed in all the holes and also in two of the fellow 'normal' eyes. This ring of elevated tissue was presumed to represent a ring of persistent vitreo-retinal traction around the fovea in the presence of a perifoveal posterior vitreous detachment. This is consistent with antero-posterior traction persisting in stage 3 and 4 full thickness macular holes. The mean ring diameter was 480 mum, when present in the fellow eye but was 950 microm in the presence of a macular hole, which we argue is suggestive of centrifugal displacement of retinal tissue on the formation of a stage 3 macular hole and provides evidence for tangential traction. CONCLUSION: We suggest that antero-posterior traction forces are the primary cause of full thickness macular holes, with these forces persisting in stage 3 and 4 macular holes, while tangential forces serve to enlarge the hole at this later stage.

Aged↗
PubMed2004

The earliest case of retinopathy of prematurity?

Retinopathy of prematurity (ROP) is a well-recognized condition in premature babies born today and in the recent past. One would not normally expect to come across evidence of its existence among older patients. We present a case of apparent regressed ROP in a lady born in May 1939, prior to the documented reports of the first cases.

Age Factors↗
PubMed2004

Adjustable and non-adjustable strabismus surgery: a retrospective case-matched study.

Adjustable suture strabismus surgery was introduced to improve results in unpredictable strabismus cases. However, its usage is increasing and in some centres is routine. The present authors propose that the routine use of the adjustable suture technique can only be justified if it can be shown to confer an advantage to the patient. In a retrospective analysis of matched data, they compared the results of their adjustable with non-adjustable strabismus surgery. The adjustable suture procedures performed during a 5-year period, on non-thyroid eye disease patients, were matched to non-adjustable cases according to the type and aetiology of strabismus and the magnitude of deviation. Pairs were matched as closely as possible according to age and strabismus surgery history. All cases were incomitant. The surgical results of the two groups were analysed with regard to the pre-operative and post-operative angles of deviation, the post-operative drift, and a successful outcome, pre-defined by carefully selected criteria. Twenty-six cases were analysed in each of the two groups. Mean pre- and post-operative angles of deviation showed no significant difference between the two groups. 'Success' rates were 81% in the adjustable group and 88% in the non-adjustable group. Given that the success rate of the two techniques is similarly high, a much larger study is required to detect a difference in results, with statistical significance. The authors conclude that there is currently insufficient evidence that patients, without thyroid eye disease, benefit from the longer and potentially uncomfortable procedure of adjustable suture strabismus surgery to support its rapidly growing use and that a prospective randomised controlled trial is indicated.

Adolescent↗
PubMed1996

The awakening.

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Coma↗
PubMed1993

Non-disjunction in human sperm: results of fluorescence in situ hybridization studies using two and three probes.

Fluorescence in situ hybridization using two or three probes was utilized to estimate the incidence of diploidy, the incidence of disomy for the sex chromosomes and chromosomes 16 and 18, and the proportion of Y- and X-chromosome bearing sperm, in a series of normal males. Our results demonstrate the importance of using an approach capable of distinguishing disomy from diploidy, as most donors had levels of diploidy higher than the disomy levels of individual chromosomes. Our analyses suggest the existence of chromosome-specific mechanisms of paternal non-disjunction, as sex chromosome disomy was approximately 1.5 times as common as disomy 16, and over two times as common as disomy 18. In studies of gametic sex ratio, we found little evidence for marked deviation from an expected 1:1 ratio.

Chromosomes, Human, Pair 16↗
PubMed1991

Patients' views on how to run hospital outpatient clinics.

To investigate patients' views and expectations when attending outpatient clinics a questionnaire-based study was performed. The questionnaires asked about appointment systems, continuity of care, staff appearance, chaperons and medical students. Patients wanted fixed appointment times, to see the same doctor on successive visits, for the staff to be formally dressed and to have chaperons during examination. The number of medical students should be restricted especially for women patients. Staff should be sensitive to patients' needs.

Ambulatory Care↗
PubMed1990

Prevalence of antibody to human T-lymphotropic virus type-1 (HLTV-1) in Australian aborigines, and detection in Indonesian sera.

The first finding of antibody to human T-lymphotropic virus type 1 in Australia, specifically in Australian Aborigines, is reported. The overall results suggest that this is a new area to be added to the known endemic areas for this virus. Antibody prevalence in each of two widely separated areas was found to be approximately 16% in 1977, and in one of these areas this had increased to approximately 34% in 1984/86. In this area no antibody to this virus was detected in children under 4 years of age.

Adolescent↗
PubMed1980

Depression in childhood.

Rarely will antidepressants be effective, or will such therapy be the treatment of choice. Allowing the child, by giving him time, to express feelings of anger or sadness and helping the parents cope with the feelings they experience as a result of his words or behaviour, is an essential part of the therapeutic process. A depressed parent equally may require considerable assistance.

Child↗
PubMed1975

Perception, memory and pathological identification as precipitating factors in parental attacks on children.

This paper examines the origins and the importance of pathological identification by the parent of the child who was maltreated or is at risk of maltreatment. The understanding of these identifications suggests methods of effective preventive action without recourse to the undesirable practice of removing the child from the home, other than in exceptional circumstances. Brief case history vignettes illustrate the clinical application of this approach.

Adult↗
PubMed1975

The maltreatment of children: some unresolved problems.

Evidence suggests that physical results may be the least important criterion of successful management of maltreated children. Emotional, social, intellectual and personality development results should receive equal attention. The maltreated child may himself be a potential child-batterer and separation from his parents may not alter this prognosis. Professional ignorance, denial and collusion are all barriers to successful management, as are inadequate treatment facilities and a cumbersome legal system whose inappropriate priorities may readily produce tragedy.

Attitude of Health Personnel↗
PubMedDate not supplied

Choosing wellness.

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Aged↗