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Biomedical subjects

L Morris

Publications and source records attributed to L Morris.

At least 217 records · Page 12Linked to original sources
PubMed1970

Smallpox eradication in Brazil, 1967-69.

The Campanha de Erradicacão da Varéola (CEV) was established in 1966 by the Brazilian Ministry of Health to eradicate smallpox. By October 1970 more than 75 million people had been vaccinated through this programme of systematic vaccination. In the 12 states where the attack phase had been completed by June 1969, there was an 80% decrease in reported cases in 1969 compared with the previous year. This decline in incidence contrasts sharply with the 99% increase in cases recorded in the other 15 states due to the increased level of surveillance.In 1969, 74% of cases occurred in persons under 15 years of age, while almost 93% of the persons infected were less than 30 years of age. The annual case-fatality rate, which has varied from 0.5% to 3.3% since 1956, indicates the disease to be variola minor. This has been confirmed by laboratory study.Careful investigation of reported cases has shown that in past years case reporting has been at a very low level, about 2.5% of the actual incidence.Data from epidemiological investigations of 22 outbreaks comprising more than 2000 cases and contacts indicate that the efficacy of smallpox vaccination was approximately 94%.

Adolescent↗
PubMedDate not supplied

A comparison of intravascular pressure monitoring system contamination and patient bacteremia with use of 48- and 72-hour system change intervals.

OBJECTIVE: To determine the incidence of culture positivity in intravascular monitoring systems by comparing 48- versus 72-hour intervals for flush solution, stopcocks, and catheters on removal. DESIGN: Prospective, quasi-experimental, random assignment. SETTING: Intensive care units of a midwestern university medical center and a community hospital. PATIENTS: Seventy-six critically ill adult patients, ranging in age from 24 to 96 years (X = 61.6), requiring arterial or pulmonary artery catheters. OUTCOME MEASURE: Culture positivity of flush solution, stopcocks, or catheter tips. INTERVENTION: Data collection was initiated at designated change intervals of 48- or 72-hours; cultures were taken of flush solution and stopcocks; catheter tip cultures were obtained on catheter removal. RESULTS: Chi-square analyses indicated that increasing the change interval to 72 hours resulted in no significant difference in culture positivity of catheter tips. However, the difference between the 48- and 72-hour groups in culture-positivity rates of stopcocks from arterial catheters was significant (1, N = 82) = 6.86, p less than 0.01. CONCLUSIONS: Our results showed that increasing the change interval to 72 hours did not increase the risk of catheter-associated infection or catheter-associated bacteremia. Chi-square analysis did not show an association between culture-positive stopcocks, the incidence of culture-positive catheter tips, entries into the system, or catheter-related bacteremia and a change interval that was increased to 72 hours. Thus, increasing the change interval to 72 hours does not increase the risk of infection.

Adult↗
PubMedDate not supplied

Radiographic and CT demonstration of mammary emphysema.

The radiographic and CT appearance of air within the mammary parenchyma is described along with a discussion of the possible routes of dissection of gas from regions of subcutaneous emphysema into the breast tissue.

Breast Diseases↗
PubMedDate not supplied

Skeletal age estimation in leg length discrepancy.

Sixty hand radiographs of children with known leg length discrepancy were reported independently in a "blind" manner by four radiologists using the Greulich and Pyle Atlas. Significant variation was found. Fifty percent of the children were assigned a skeletal age that differed by more than 1 year between radiologists; 10% varied by more than 2 years (p less than 0.05). Female skeletal age was considerably underestimated by an average of 11 months. Skeletal age estimation is one source of error in the timing of surgery for leg length equalization, especially when a single estimate is used. Skeletal age also appears to be more variable in children with leg length discrepancy.

Adolescent↗
PubMedDate not supplied

Pupils with special needs: a Scottish perspective.

The distinction between ordinary and special schooling in Scotland was effectively erased by the Education (Scotland) Act of 1981. This Act recognizes that any pupil who requires extra support to succeed in a regular classroom is a child who has special education needs. Presently, all pupils who, for whatever reason, do not cope successfully at school are collectively referred to as children with learning difficulties. The term "learning difficulties" reflects a broader spectrum of problems than those characteristically found in the category of learning disabilities used in the United States. In cases of dyslexia, the term "specific learning difficulties" (a subgroup of learning difficulties) is also used. All special education provision in based on individual needs. A child's needs are interpreted in relation to a continuum of special education needs and in the context of his or her unique environment. For pupils with learning difficulties, the needs-assessment process is typically informal and rarely results in an official record of need being opened for them. A description of Grampian Region, one of the largest administrative units in northern Scotland, reveals how special educational practice is organized to respond to pupils with learning difficulties in the current educational climate.

Education, Special↗
PubMedDate not supplied

Clinical efficacy of C-View transparent film wound dressing.

This article discusses the use of transparent film dressing in wound management. It focuses on one particular product, C-View (Maersk Medical), determining its efficacy through multiple case study review. C-View was found to be easy to use and cost-effective, both as a primary and secondary wound dressing.

Clinical Nursing Research↗
PubMedDate not supplied

Occupational therapy benchmarks within orthopedic (hip) critical pathways.

OBJECTIVE: This study examined patient performance benchmarks for occupational therapy within orthopedic (hip) critical pathways. METHOD: Eight orthopedic (hip) critical pathways gathered from occupational therapy practitioners working in hospital and rehabilitation settings were examined to determine commonalities and differences of occupational therapy benchmarks, disciplines involved, and identified allowable variances. A comparison and contrast matrix was developed to provide a visual means of reviewing the data. RESULTS: Nursing, physical therapy, and occupational therapy were disciplines consistently involved in the pathways. Activities of daily living related to self-care were the most consistently used occupational therapy benchmark within the sample pathways, and functional transfers were the second most-used benchmark. The remaining occupational therapy benchmarks varied, and little commonality was found in their use. Frequency of use also varied among the eight pathways. Five of eight pathways specifically coded variances, with the remaining three providing space for explanation of the variance. CONCLUSION: Although these eight orthopedic (hip) critical pathways included occupational therapy benchmarks, further development and definition of the role of occupational therapy within subsequent orthopedic (hip) critical pathways is needed.

Benchmarking↗