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Biomedical subjects

L A Jacobs

Publications and source records attributed to L A Jacobs.

At least 73 records · Page 4Linked to original sources
PubMed1983

Long-latency somatosensory evoked potentials during carotid endarterectomy.

Scalp recorded somatosensory evoked cortical responses (SSEP) may be measured under general anesthesia to assess the electrical responsiveness of the brain. Such potentials were measured in 25 patients undergoing carotid endarterectomy without shunt. Electrical unresponsiveness occurred bilaterally in one patient and unilaterally in one patient. The patient with unilateral electrical silence developed a perioperative stroke, the only stroke in this series. Analysis of the SSEPs recorded from these patients suggests that profound ischemia produces electrical silence: that intermediate degrees of ischemia produce prolonged interpeak latencies and decreasing amplitudes in the SSEP. This modality seems to offer promise as an intraoperative monitor during cerebrovascular surgery.

Carotid Arteries↗
PubMed1980

A new poultry semen extender. 4. Effect of antibacterials in control of bacterial contamination in chicken semen.

Forty antibacterials were qualitatively and quantitatively tested for controlling aerobic bacterial contamination without affecting viability of semen. Semen samples were collected aseptically, diluted 1:4 with the Beltsville poultry semen extender containing one of 40 antibiotics and held for 0, 24, 48, and 72 hr at 5 C. Semen samples were monitored at each storage interval for bacterial counts, sperm motility, sperm counts, and fertilizing capacity. Gentamicin (2.5 microgram/ml), kanamycin (31.2 microgram/ml), neomycin (62.5 microgram/ml), and tobramycin (2.5 microgram/ml) were the only antibacterials tested which controlled microbial growth without affecting sperm viability for up to 24 hr storage at 5 C. Tobramycin maintained fertility equal to that of the non-antibiotic control up to 24 hr storage. Neomycin maintained higher levels of fertility in semen stored for 48 and 72 hr than in semen of controls to all other treatments for the same storage periods and to undiluted, unstored semen. The conclusion from these studies is that the control of aerobic microbial growth in chicken semen has little influence on the maintenance of sperm viability during low temperature storage.

Animals↗
PubMedDate not supplied

Preparing clinical preceptors to teach master's-level students in oncology nursing.

This article reports the development of a structured program for clinical nurse specialists who served as clinical preceptors for graduate students in an oncology nursing program. A needs assessment of clinical preceptors was completed, and a program for the preceptors was developed based on the learning needs identified. In addition to the program, a Manual for Clinical Preceptors was developed. The benefits of this program include networking; positive working relationships among the preceptors, faculty, and students; potential job opportunities for students; potential applicants from the clinical agencies; and, ultimately, improved care for patients with cancer and their families. The authors conclude that administrators should support efforts to nurture and recognize the personnel in the clinical agencies.

Education, Nursing, Graduate↗
PubMedDate not supplied

The baccalaureate degree in nursing as an entry-level requirement for professional nursing practice.

The education of professional nurses must take place in institutions of higher learning with a bachelor of science in nursing degree required for beginning professional practice. Nurses educated in these academic settings should be socialized as professionals with a philosophical and value system that is compatible with this role. This education should be flexible, diverse, and directed toward providing the nurse with a solid base for general, professional nursing practice. Nursing as a profession is a social institution and must present itself as a strong, unified profession to survive the inevitable changes occurring on the health care front. By tracing the evolution of the entry-into-practice dilemma, a systems archetype and two mental models that currently drive nursing and jeopardize its potential to meet the demands of the emerging health care market are identified. The authors offer a high-leverage solution to the entry-into-practice dilemma that they believe will strengthen the nursing profession.

American Nurses' Association↗
PubMedDate not supplied

The individual, the family, and genetic testing.

Genetics plays a role in every disease, yet few health care providers understand basic genetic principles or the science underlying the genetic testing process. An understanding of the science behind genetic advances is necessary, and it is equally important for health professionals to have an understanding of the complex nature of genetic testing for individuals and their families. Much of the debate about the psychological effects of genetic testing has occurred in the absence of empirical data on diseases for which predictive testing has only recently emerged. This article will review selected literature on genetic testing and its implications for the individual and the family. The responses of families and individuals to the diagnosis of a genetic disease will be reviewed, and Huntington disease will be used as the paradigm for examining issues related to genetic testing for adult-onset cancers. Literature addressing the response to genetic susceptibility for adult-onset cancers and the implications of testing children also will be explored. Finally, identification of emerging issues relevant to genetic screening will provide a framework for identifying needed nursing research in genetic testing for adult-onset cancer risk.

Adult↗