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Biomedical subjects

C Reed

Publications and source records attributed to C Reed.

At least 55 records · Page 3Linked to original sources
PubMed1994

Making history: the Bloomsbury group's construction of aesthetic and sexual identity.

This essay examines the way England's well-known Bloomsbury group in the first decades of this century negotiated the legacy of prominent figures of the generation before in order to create its own identity. Looking at the group's ideas about both aesthetics and sexuality, the author shows how the group privileged Leo Tolstoy over J. A. M. Whistler, and Oscar Wilde over Walter Pater. The introduction and conclusion seek to set this study in the context of current issues in gay and lesbian studies.

Art↗
PubMed1993

RN to BSN: avoiding the pitfalls.

The RN who returns to school has unique characteristics that must be considered if the educational experience is to be positive. The stress an RN feels when returning to school can be addressed by using a combined approach that involves faculty and student working together. Rather than a "tacked on" experience in order to fulfill degree requirements, the experience can be challenging and exciting and provide the RN the opportunity to grow personally and professionally.

Adult↗
PubMed1992

Are aortic aneurysms caused by atherosclerosis?

BACKGROUND: The emerging controversy concerning the causal role of atherosclerosis in the development of aortic aneurysms was examined using the accumulated clinical and autopsy data obtained during a 20-year follow-up of a cohort of more than 8,000 men of Japanese ancestry in Hawaii. METHODS AND RESULTS: Analyses of 174 clinical incident events indicated that there were two types of aneurysmal disease, 151 aortic aneurysms and 23 aortic dissections. The baseline risk factors that predicted the clinical aortic aneurysms were the same factors that predicted aortic atherosclerosis in the same cohort, namely, high blood pressure, high serum cholesterol, and cigarette smoking. These same risk factors were also significantly associated with the occurrence of 27 aortic aneurysms among 293 autopsied men. The less common aortic dissections had an age-specific incidence pattern indicative of an innate susceptibility precipitated by an exposure to another factor. This pattern was consistent with the findings that the incidence of aortic dissections was predicted mainly by baseline high blood pressure. CONCLUSIONS: From the perspective of prevention, it appears that the risk factors for aortic atherosclerosis and probably atherosclerosis itself are necessary elements in the causal pathway for the great majority of aortic aneurysms in this cohort.

Age Factors↗
PubMed1991

Dose tolerance study of fluticasone propionate aqueous nasal spray in patients with seasonal allergic rhinitis.

A multicenter, double-blind, parallel-group, dose-tolerance study was conducted to evaluate the safety of fluticasone propionate aqueous nasal spray, a potent new corticosteroid preparation. Ninety-seven adult patients with moderate to severe seasonal allergic rhinitis during the fall weed season received either placebo or fluticasone propionate in doses of 50, 200, or 800 micrograms twice daily for 4 weeks. Safety evaluations included adrenal function evaluation by morning plasma cortisol concentration, response to ACTH stimulation, and 24-hour urinary free cortisol excretion. There was no evidence of effects on adrenal function at any dose. The severity, nature, and frequency of adverse events were similar across all treatment groups, including placebo. Drug-related adverse events were consistent with local nasal irritation. The groups receiving fluticasone propionate showed greater improvement in nasal symptoms (obstruction, rhinorrhea, sneezing, and itching) than did the placebo group. The results demonstrate that fluticasone propionate aqueous nasal spray is safe in doses up to 1600 micrograms per day and effective in the treatment of seasonal allergic rhinitis.

Administration, Intranasal↗
PubMed1990

Phenotypic and cytogenetic analysis of atypical multidrug resistance in human leukaemic cells selected with methotrexate at high concentration.

A series of CCRF-CEM sublines selected for extreme resistance to methotrexate has been shown previously to exhibit cross resistance to a number of agents belonging to the multidrug resistance phenotype. The mechanism(s) underlying resistance to vincristine, vinblastine and actinomycin D in the most resistant subline (CEM/MTX R3) has now been investigated. Efflux of [3H]vincristine was more rapid in CEM/MTX R3 than in either CCRF-CEM cells or a methotrexate-resistant subline not refractory to Vinca alkaloids. In addition, verapamil completely reversed resistance to vincristine, vinblastine and actinomycin D in the CEM/MTX R3 cells. While these results are suggestive of P-glycoprotein-mediated multidrug resistance, Northern analysis revealed no detectable expression of the mdr 1/gene in CEM/MTX R3 cells. Likewise, karyotypic analysis of the resistant subline, while revealing certain clonal abnormalities, provided no evidence of alteration in the mdr 1/gene locus on chromosome 7. The data suggest therefore the operation, in these cells, of a novel mechanism of resistance.

ATP Binding Cassette Transporter, Subfamily B, Mem↗
PubMed1990

Process issues in consultancy.

A piece of short term consultancy work in a school for the Mentally Handicapped is described from the perspective of both the consultants and the consultees with particular reference to the process issues involved. Reasons for the high levels of stress, experienced in the exercise are explored by an examination of the contributory factors within the school and the consultancy process itself. As well as a theoretical discussion questions of practical management are considered.

Adolescent↗
PubMed1990

The value of serum cryptococcal antigen in the diagnosis of cryptococcal infection in patients infected with the human immunodeficiency virus.

Serum cryptococcal antigen titres were measured in 828 HIV-infected patients with pyrexia, 69 of whom had meningism. Serum cryptococcal antigen was positive in 17 patients of whom 16 had meningism with cryptococcus isolated from their CSF. The other patient had no meningism, had no evidence of cryptococcal infection on repeated CSF examination and remains well. A positive serum cryptococcal antigen test was therefore valuable in the diagnosis of cryptococcal meningitis, although in all 16 patients meningism was present and a diagnostic lumbar puncture was therefore carried out. In our experience routine screening for serum cryptococcal antigen did not predict patients who subsequently developed cryptococcal meningitis.

Amphotericin B↗
PubMed1989

Resistance to drugs associated with the multidrug resistance phenotype following selection with high-concentration methotrexate.

To study patterns of resistance at extreme but nevertheless clinically relevant drug concentrations, we developed a series of methotrexate-selected CCRF-CEM sublines, all of which were highly resistant to this antifolate (relative resistance, 10(2)- to greater than 10(5)-fold). The least methotrexate-resistant subline was completely sensitive to drugs associated with the multidrug resistance phenotype. However, more highly methotrexate-resistant sublines were significantly cross-resistant to vincristine, vinblastine, and dactinomycin (maximum relative resistance, 40-fold). These sublines were not cross-resistant to doxorubicin, daunorubicin, and teniposide. Regression analysis indicated that relative resistance to methotrexate was correlated with relative resistance to vincristine (r = 0.96) and vinblastine (r = 0.99). Such cross-resistance in highly methotrexate-resistant cells may have important clinical implications.

Antineoplastic Agents↗
PubMed1989

Haptic integration of object properties: texture, hardness, and planar contour.

Planar objects varying in shape, texture, and hardness were classified under haptic exploration. Classes were defined by values on one dimension, or redundantly, by two or three dimensions. Response times and exploratory procedures (Lederman & Klatzky, 1987) were recorded. Experiment 1 showed that a second dimension speeded responses for all combinations (redundancy gain), but a third dimension produced no further effect. In Experiments 2 and 3, classification trials began with two redundant dimensions, and subsequently one was withdrawn (held constant). When texture and hardness varied redundantly, withdrawal of either increased response time--even when subjects were initially instructed to focus on one dimension. Joint exploration for texture and hardness dominated whenever the two varied redundantly and persisted despite withdrawal. Redundancy gains (Experiment 1), but not substantial withdrawal effects (Experiments 2 and 3), were observed for combinations of texture or hardness with planar contour, indicating less integration than between substance dimensions. Compatibility of exploratory procedures appears to constrain dimensional integration.

Attention↗
PubMed1989

The bacteriology of chronic venous ulcers treated with occlusive hydrocolloid dressings.

The bacterial flora of chronic venous ulcers treated with an occlusive hydrocolloid dressing were studied over a period of 8 weeks. A novel exudate sampling method was used in an attempt to isolate anaerobic bacteria. The flora was generally stable. Once a species was present, it remained with the exception of Pseudomonas, which appeared to be inhibited by the dressing. Twelve out of 20 ulcers contained anaerobic bacteria and healing did not appear to be impaired by the presence of any particular species of bacteria.

Aged↗
PubMed1989

Capillary blood glucose monitor. Evaluation in a newborn nursery.

The performance of a rapid capillary blood glucose monitor, the Glucoscan 2000, was evaluated in a neonatal patient population by comparison with a reference method on 283 paired patient samples. The median glucose was 56 mg/dL (3.1 mmol/L). The slope of the regression line was .93 with a correlation coefficient r of .82. The average error in Glucoscan values at low, intermediate and high glucose ranges was 43%, 20% and 12% respectively. Precision analysis by replicate determinations also showed an increased coefficient of variation, 7.4%, at low glucose values.

Blood Chemical Analysis↗