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Biomedical subjects

S McKay

Publications and source records attributed to S McKay.

At least 55 records · Page 3Linked to original sources

Relationship between learning disabilities and juvenile delinquency.

Juvenile delinquency in the United States is increasing in incidence, and children are becoming involved in delinquent activity at a much younger age. Learning disabilities have been associated with juvenile delinquency. Learning disabled children are labeled by teachers and peers as different, which may alienate them from "normal society." If children reject social institutions (such as school), they may seek alternative, frequently delinquent, activities. Learning disabled children must be identified so that programs which minimize the disability while emphasizing the children's strengths can be instituted. Since adjudicated delinquents of normal intelligence show a significant degree of academic underachievement, correctional programs must recognize the possibility of learning disability. Vocational training emphasizing an individual's strengths can be an effective alternative to traditional educational programs for delinquent juveniles.

Achievement↗

Wholistic health care: challenge to health providers.

With its emphasis on a healthy life style, self-responsibility, lessened dependence on the medical care system, and the interrelationship of body, mind, and spirit, the wholistic health movement is exerting a powerful influence on the health level of Americans. Health providers will increasingly find themselves challenged to reexamine their roles in patient relationships, increase the extent of interdisciplinary teamwork, emphasize health education and positive health behaviors, examine the usefulness of various alternative therapies, and consider the importance of health professionals as role models.

Africa, Southern↗

Effects of staphylococcal products on locomotion and chemotaxis of human blood neutrophils and monocytes.

The effects of staphylococcal products as chemo-attractants for human blood neutrophils and monocytes and as inhibitors of locomotion of these cells were studied with bacterial cells, culture filtrates and isoelectrically focused fractions from culture filtrates of nine strains of Staphylococcus aureus. Little direct chemotactic activity of staphylococcal products for neutrophils was observed, although a chloroform-soluble extract of the whole organisms contained such activity. The major chemotactic effect of staphylococci for neutrophils was indirect, i.e., generated when the organisms or their products were incubated with plasma, perhaps due to activation of complement. In contrast, direct chemotactic activity for monocytes was found in a large number of staphylococcal fractions. Staphylococci also produced inhibitors of locomotion of both neutrophils and monocytes. Isoelectric focusing showed more fractions inhibitory for neutrophils than for monocytes. Some of the inhibitors could be identified. Staphylococcal alpha-toxin inhibited migration of both neutrophils and monocytes. Sphingomyelinase C (beta toxin) inhibited migration of monocytes but not of neutrophils. Leucocidin-rich strains were strongly active as inhibitors of neutrophil locomotion but less so as inhibitors of monocyte locomotion.

Cell Migration Inhibition↗

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Alberta↗

Use of internal arteriovenous fistula in home haemodialysis.

Five patients with previous experience of home haemodialysis (lasting one to two years) had internal arteriovenous fistulae created in a previously non-cannulated limb. After training of the spouses or patients to insert the needles, the arteriovenous cannulas were removed and the patients maintained on fistula dialysis in the home, unattended, overnight, for periods of 1 to 11 months (total patient experience of 30 months). All patients expressed a preference for the arteriovenous fistula, and no significant medical complications have been noted to date.The safe use of a blood pump in the home, overnight, was achieved by the addition of an extra monitor on the outflow (arterial) blood line.

Adolescent↗

Obstetrics by ear. Maternal and caregiver perceptions of the meaning of maternal sounds during second stage labor.

In a study at the University of Colorado School of Nursing, Department of Nurse-Midwifery, women's second stage labors were videotaped to study caregiver behavior during second stage labor. Postpartum interviews of the mothers (n = 10) and caregivers (n = 16) were conducted to learn about their responses as they viewed the videotapes. Qualitative analysis was conducted of the transcribed interviews using the Ethnograph computer software. One of the themes emerging from the data was the significance of maternal sounds. Both caregivers and mothers were able to articulate differences between adaptive and nonadaptive sounds according to their quality, pitch, feeling state, and accompanying verbalizations. Data about women's second stage labor sounds have been categorized according to the following maternal states: work/effort, coping, childlike, out-of-control, and with epidural anesthesia. Typical sounds/verbalization, significance, and facilitative caregiver responses are defined for each category. It is concluded that when a "no noise" rule is evoked during second stage labor, valuable behavioral cues are unavailable to guide caregiver behavior.

Adaptation, Psychological↗

Models of midwifery care. Denmark, Sweden, and The Netherlands.

The organization of maternity services in Denmark, Sweden, and the Netherlands was studied under the sponsorship of the World Health Organization European Headquarters Office of Maternal and Child Health. Midwifery care is highly respected and is a central feature of obstetric care in each of these countries. In Denmark and Sweden, almost all births are in the hospital, and autonomous midwives are employed by national health services. About three-quarters of Dutch midwives are in independent practice, and 34% of Dutch women give birth at home. In each country midwives provide "the first line" of care for normal pregnant women and are viewed as essential to the excellent perinatal outcomes these three countries enjoy.

Birth Rate↗

Nursing education and the nuclear age.

As reflected in the nursing literature, nurses have only recently begun discussing professional responsibilities for avoidance of nuclear war. The literature of the 1950s and 1960s focused on issues of civil defense. The 1970s were mostly silent, but with the onset of the 1980s a few articles identified the need for the nursing profession to recognize the importance of nuclear war prevention. The responsibility of nursing education for including content about nuclear issues has not been discussed in the professional literature. The author surveyed baccalaureate programs of nursing education to determine whether this lack of discussion was reflected in nursing curricula. Responses indicated that the literature does not adequately reflect the level of activity and interest occurring within nursing education about nuclear issues. Nevertheless, because there is so little discussion in the professional literature, an implicit message is sent that nuclear issues are not of importance and that nurses should not openly address them.

Curriculum↗

Second stage labor: what is normal?

Traditional management of second stage labor has come under scrutiny because of improved understanding of what normally occurs when second stage labor is allowed to proceed of its own accord without direction from birth attendants. When women bear down spontaneously as they feel the urge to push, either holding their breath briefly or with short exhalation of air, normal maternal and fetal physiological status is maintained and second stage labor does not appear to be lengthened. Using a variety of maternal positions during second stage labor can optimize physiologic functioning and increase maternal comfort.

Female↗

The metabolism of 7-ethylbenz[a]anthracene by rat liver microsomal preparations.

7-Ethylbenz[a]anthracene (7-EBA) is a much weaker carcinogen than the 7-methyl analogue (7-MBA), and this difference may be based upon differences in the pathways by which the two compounds are metabolized and activated. In the present work, 7-EBA and the related 7 alpha- and 7 beta-hydroxyethyl derivatives (7-OHEBA and 7-beta-OHEBA) have been incubated with microsomes prepared from the livers of rats pretreated with 3-methylcholanthrene, the metabolites were extracted and purified by TLC, and the products present in the dihydrodiol band were examined by analytical HPLC. Metabolites were identified by comparison with authentic reference standards and by their chromatographic, UV, fluorescence, mass, and NMR spectral characteristics. The 7-EBA metabolites included the 1,2- 3,4, 5,6- 8,9- and 10,11-dihydrodiols, the 3,4- 8,9- and 10,11-dihydrodiols of 7-alpha-OHEBA, and three phenolic dihydrodiols that were not completely characterized. No 7-beta-OHEBA derivatives were detected as metabolites of 7-EBA. The results obtained so far have not revealed any qualitative differences in the routes by which 7-EBA and 7-MBA are metabolized in rat liver microsomal preparations.

Animals↗