Search PubMed⌕ Search

Biomedical subjects

S Mitchell

Publications and source records attributed to S Mitchell.

215 records · Page 12Linked to original sources

An improved method of removing polyurethane foam-covered gel prostheses.

One of the advantages of polyurethane foam-covered prostheses has been that in the first 5 to 10 years after their use, the amount of capsular contraction was found much less than when similar "slick" prostheses were used. Another advance was their fixation to the surrounding tissue thus giving a more natural appearance and movement with the muscles when the arms were moved in any direction. The formation of a thick capsule also acted as a protection against gel granuloma due to rupture of the prosthesis and has been thought to be a factor in the lower capsule contraction rate. The greatest disadvantage has been that its removal was extremely difficult and this has continued up until the technique described in this paper has been introduced.

Breast Implants↗

The disposition of allyl isothiocyanate in the rat and mouse.

The urine was the major route of excretion of radioactivity (50-80% of dose) following the oral administration (2.5 and 25 mg/kg body weight) of allyl[14C]isothiocyanate (AITC) to male and female Fischer 344 rats and B6C3F1 mice. Smaller amounts were found in the faeces (6-12%) and expired air (3-7%). The major difference between the two species was the greater retention of radioactivity after 4 days within rats (18-24% of dose) when compared with mice (2-5% of dose). Three radioactive components were found in the urine of mice and two in rats. The three components were inorganic thiocyanate, allylthiocarbamoylmercapturic acid and allylthiocarbamoylcysteine in mice, but no cysteine conjugate was found in rat urine. In the mouse, approximately 80% of the 14C was present in the urine as the thiocyanate ion whereas in the rat some 75% was as the mercapturate. This indicates that in the mouse, hydrolysis of AITC was the major metabolic pathway whereas in the rat glutathione conjugation was the major route. A species difference was seen in the amount of [14C]AITC-derived radioactivity present in the whole blood of rats and mice; measurable levels of radioactivity remained within rat blood for a longer time period (up to 240 hr) when compared with mice (96 hr). Examination of the urinary bladders of male and female rats following oral dosing with [14C]AITC showed a sex difference with greater amounts of [14C]AITC and/or its metabolites within the bladder tissue of male rats. This data is discussed in terms of the known species- and sex-specificity of the urinary bladder tumours, which occurred after long-term administration to male rats, but not to female rats or mice of either sex, in a carcinogenicity study conducted by the National Toxicology Program in the USA.

Animals↗

Evaluation of a geriatric mental health training program for nursing personnel in rural long-term care facilities.

Although mental illness among elderly living in nursing homes is a substantial and growing concern, the behavioral problems associated with mental illness or threats to mental health are not well understood, tolerated, or effectively managed by nursing home staff. As a result, resident care and quality of life, and staff morale often suffer. The need for geriatric mental health training in long-term care settings has become increasingly apparent. Psychiatric/mental health nurses are in an advantageous position to address this current need and future challenge through the development, implementation, and evaluation of geriatric mental health education and training programs in long-term care settings. This article describes one such innovative training effort, designed to improve the quality of psychosocial care provided by nursing personnel in rural long-term care settings, and highlights evaluation outcomes related to participant satisfaction, staff knowledge, and attitudes.

Aged↗

Geropsychiatric nursing consultation as an adjunct to training in long-term care facilities: the indirect approach.

Creative, collaborative approaches between sub-specialties in nursing are needed to improve the quality of care and, hence, the quality of life for mentally ill and behaviorally impaired older adults living in long-term care (LTC) facilities. Results of a consultation survey collected as part of a larger geriatric mental health training project, and described in this article, support the position that consultee-centered geropsychiatric nursing consultation services are an important adjunct to training. However, this indirect approach to service enhancement may not be well understood and, as a result, not well utilized by LTC nurses. Methods to facilitate understanding and utilization of "indirect" mental health assistance to LTC residents and staff are explored within the context of building productive liaisons among nurses.

Aged↗

Coma arousal procedure: a therapeutic intervention in the treatment of head injury.

This study reports on the efficacy of a 'coma arousal procedure'. This procedure involved a programme of vigorous sensory stimulation administered to comatose patients by relatives using Comakits. An experimental group of 12 severely head-injured patients received the coma arousal procedure while a matched control group did not. Total duration of coma and weekly Glasgow Coma Scale Scores were recorded for the two groups. Results indicate that the total duration of coma was significantly shorter and that coma lightened more rapidly for the experimental group.

Adolescent↗

Changes in self-perceptions of illicit drug abusers related to time in treatment in two residential treatment programs.

This research investigated the effects of two residential drug treatment programs on changing the self-perceptions of the residents over a 10-month time period. The semantic differential evaluative and potency scales of the concepts Who I Am and Who I Would Like to Be were administered to the residents of these programs on several occasions during the time they were in these programs. The results of this research showed that the residents evaluated Who I Am higher, the longer they remained in these programs.

Adult↗

Errors in data on hospital ownership.

In recent years, there has been increased public concern about changes in hospital ownership and consolidation in the hospital market. Numerous studies have examined the relationship between hospital ownership and prices, costs, organization, service mix, access to care and quality of care. However, the data on which these studies are based are often incomplete and inaccurate. In this paper, we examine several sources of data employed by researchers examining hospital ownership and discuss the degree of inaccuracy we found in each source. Substantial primary data collection is necessary to accurately account for changes in ownership and system affiliation.

American Hospital Association↗

Must guardians honor advance directives?

A question asked at a recent advance directives seminar brought divided opinions from the attorneys present, resulting in a lively discussion of whether a court-appointed guardian must honor a patient's advance directive. The question is presented in this article with the first of several legal opinions to be published. As background, the Update presents the following discussion of advance directives by Suzanne Mitchell, assistant professor, Loyola University Law School Institute for Health Law.

Advance Directives↗

The ambulatory care medical record: an administrative nightmare.

The patient medical record, according to Becky Glass and Sherri Mitchell, is a little recognized and highly underrated commodity that drives the practice and can often cripple it if not handled correctly. The authors describe how they successfully created "calm from chaos" in their academic group practice.

Academic Medical Centers↗

Practical tips from clinical nurses: opinions about children visiting.

Children visiting parents in the ICU is still controversial. Here are six different opinions about children visiting from ICU nurses, an infection control practitioner, and even a parent. All view points are important to consider in providing access of children to their critically ill parents. Interestingly, even nurses who do not generally support child visitation have allowed children's visits in special circumstances and found the experience positive.

Child↗