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Biomedical subjects

A Cooper

Publications and source records attributed to A Cooper.

At least 361 records · Page 20Linked to original sources
PubMedDate not supplied

The Kendrick extrication device used for pediatric spinal immobilization.

Immobilizing a child presents a unique challenge for emergency medical services (EMS) personnel in addition to those challenges faced when immobilizing an adult. Most equipment commonly carried by EMS personnel is sized for adult use and as a result does not routinely provide adequate static or dynamic immobilization of a child. In addition, children often resist immobilization and can free themselves from standard strapping techniques. These problems have led to the modification of existing equipment and the development of several pediatric-specific devices. An ideal pediatric immobilization device would be one that uses an existing piece of equipment, is of limited additional cost, is routinely used by EMS providers, could be easily modified to immobilize a child, could easily be taught to EMS providers, and provides excellent static and dynamic immobilization. The Kendrick extrication device (KED) used as the authors describe meets these goals of an ideal pediatric immobilization device.

Adult↗
PubMedDate not supplied

Simultaneous bilateral central catheters: a safe technique.

Optimal central catheter care includes restriction usage for blood sampling and blood product administration on enhance continued sterility, but our experience with 25 children receiving bone marrow transplants after cytoreduction challenges this concept. Prior to transplantation, bilateral percutaneous subclavian vein silastic catheters were inserted without incident, one utilized for continuous nutritional support in caloric quantity to assure body weight maintenance, and the contralateral catheter utilized for daily venous sampling plus administration of medications including blood products. Patients subsequently entered a protective environment and bi-weekly surveillance cultures were monitored. Nutritional therapy was given for 876 days through 53 catheters. One patient developed culture-proven sepsis, an organism first cultured from the skin. The patient complication rate of 4% and the per diem rate of 0.11% in this immunocompromised population compares favorably to the 10.5 and 0.32% incidence we previously reported for 200 children with unilateral catheters. These data demonstrate that bilateral central catheters can be safely utilized in children for nutrition and sampling.

Adolescent↗
PubMedDate not supplied

No longer invisible: gay and lesbian Jews build a movement.

The organized movement of lesbian and gay Jews took root in the mid-1970s when groups of Jewish homosexuals in the United States, England, and Israel began gathering for religious, educational, and social purposes. After centuries of denial, the Jewish community was faced with the reality of this increasingly visible and vocal minority. By 1989, nearly 30 groups of Jewish gay men and women throughout the world were part of the World Congress of Gay and Lesbian Jewish Organizations, an international body devoted to community education about homophobia and support for both member and newly emerging gay Jewish groups.

England↗
PubMedDate not supplied

Making a difference to practice: clinical benchmarking. Part 1.

In the first of two articles, the authors describe how an internal clinical practice benchmarking group was established in Preston to compare and share examples of best practice. The aim was to ensure consistent high standards of care practice across the trust. Activity related to discharge planning and visiting is used here to illustrate the effectiveness of clinical practice benchmarking as a continuous quality improvement tool. The second article will appear in Nursing Standard on May 3.

Benchmarking↗
PubMedDate not supplied

Making a difference to practice: clinical benchmarking. Part 2.

In the second of two articles, the authors explore further the use of clinical practice benchmarking. In particular, practice related to improving nutritional care for patients, caring for patients with mental health needs and safely transferring critically ill patients is examined. The authors conclude by summarising the value of clinical practice benchmarking and how it made a difference to practice in their trust. The first article appeared in Nursing Standard last week.

Acute Disease↗
PubMedDate not supplied

National benchmarking as a support system for clinical governance.

Audit of the management of acute asthma in hospital has developed in tandem with guidelines produced and updated by the British Thoracic Society (BTS), on the principle that agreed guidelines combined with systematic review of practice by periodic audit are more likely to result in improvements in practice than guidelines alone. A short audit data set was distilled from previous experience with more elaborate tools and made available nationally to audit departments and through letters to consultant members of the BTS. Hospitals have been able to contribute since 1990. The data set reflects key items of the process of care: peak flow measured on admission and twice daily during the hospital stay; blood gases on admission; systemic corticosteroids as an inpatient; discharged with inhaled and oral corticosteroids; written self-management plans; follow-up arrangements. Data from 4,741 admissions over a seven year period are presented. The proportion of patients nationally receiving these items of asthma care is given. The median values for hospital performance improved significantly over the seven years, although there is potential for further improvement. If these data represent the national picture, they could form the basis upon which to set national standards for the care of patients with acute asthma in hospital. A further result of the developing audit has been the recognition of the value of external benchmarking in providing a context for the interpretation of local audit results. This audit system provides hospitals with a quick and easy method of obtaining an overview of local performance, with comparative national data for the same year. This has potential as a tool for clinical governance with much wider applicability, providing the data are handled carefully, particularly as the variability between hospitals diminishes over time.

Asthma↗
PubMedDate not supplied

The 2000 Moyer Award. The relevance of base deficits after burn injuries.

The relevance of an elevated base deficit (BD) during the fluid resuscitation of a thermally injured patient is not completely understood. After nonthermal trauma, early elevation of the BD represents insufficient cellular perfusion and is ultimately associated with a higher incidence of organ dysfunction and death. However, this relationship has not been completely examined after burn injuries. The purpose of this study was to determine if elevation of the BD during burn resuscitation was associated with potential consequences of malperfusion, such as systemic inflammatory response syndrome, acute respiratory distress syndrome, and multiple organ dysfunction. The records of 72 patients with burn injuries (mean age, 46 +/- 17 years; mean total body surface area burned, 44% +/- 18%) who required fluid resuscitation on admission to an adult regional burn center were analyzed. Patients with a mean BD of less than -6 mmol/L during the first 24 hours were compared with patients with a mean BD of more than -6 mmol/L. Despite adequate resuscitation with good maintenance of urinary output, the patients in the group with a mean BD of less than -6 mmol/L had more florid systemic inflammatory response syndrome (P = .004), had more prevalent acute respiratory distress syndrome (P = .012), and experienced more severe multiple organ dysfunction (P < .001) compared with patients in the group with a mean BD of more than -6 mmol/L. The results suggest that abnormal elevation of the BD after burn injuries represents a malperfusion state, which may not be recognized if only "traditional" parameters, such as UO, are followed. Furthermore, this state appears to be related to the onset of more severe systemic inflammation and organ dysfunction.

Acidosis↗
PubMedDate not supplied

I.V. fluid therapy. Part 2. I.V. fluid selection.

I.v. fluid selection depends on the estimated fluid loss, the primary fluid compartment involved, the patient's underlying problem and the physiological and haemodynamic impact of the i.v. solution. Clinically, the most important problem is intravascular fluid volume deficit, which is associated with hypotension, inadequate tissue oxygenation and hypoperfusion of essential organs. Intravascular volume resuscitation is therefore of primary importance. Crystalloid solutions have the disadvantage of only small amounts remaining in the IVS whereas colloids are known as plasma volume expanders due to predominantly remaining in the IVS in the presence of an intact capillary endothelium. Managing i.v. fluid administration requires close observation of the patient's subtle responses that may indicate states of fluid depletion or overload. Understanding the physiological principles of the body's fluid distribution in relation to the clinical assessment of the patient's hydration status, together with knowledge of the selected i.v. solution's properties, will enable the nurse to provide quality nursing care and improve patient outcomes.

Colloids↗
PubMedDate not supplied

Mechanical ventilation after open heart surgery.

One hundred adult patients, undergoing elective open heart surgery over a period of 4 months, were studied to assess the practice of ventilation in the post operative period. The anaesthetic technique employed used moderate doses of morphine, supplemented with halothane and a muscle relaxant. The decision to extubate was based on clinical assessment, and satisfactory blood gases following a 45 minute T-piece trial. The patients were ventilated for an average duration of 8 hours and 2 minutes and 59 out of 100 patients were extubated within 8 hours. Patients undergoing coronary artery bypass graft were ventilated for significantly longer durations (10 hours 28 minutes) (p < 0.05) and had significantly lower arterial oxygen tension (p < 0.01) 30 minutes after extubation, as compared with those undergoing valvular surgery. Also patients whose bypass time exceeded 2 hours had significantly longer extubation times (p < 0.05) as compared with those who had a bypass time less than 1 hour. T piece trial was found to be a satisfactory method of weaning in all the patients.

Adult↗