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Biomedical subjects

C Yates

Publications and source records attributed to C Yates.

14 recordsLinked to original sources
PubMed1992

Inform: conceptual modelling of intensive care information systems.

Intensive care of a patient requires heavy monitoring and versatile therapeutic actions. These produce a huge amount of patient information. A problem exists in managing this data and other information from all supporting activities creating a need for an automated information management system. To have a sound basis for future automated information systems in intensive care unit (ICU), a conceptual model is created to cover both the clinical and other activities of the ICU. The conceptual model consists of data flow diagrams and entity-relationship diagrams with underlying common data dictionary. A modern CASE tool is utilized to build the model. The work forms a part of AIM-INFORM project, which has a purpose to develop information management and decision support systems for high dependency environment.

Computer Simulation↗
PubMed1991

Distribution of glucocorticoid and mineralocorticoid receptor messenger RNA expression in human postmortem hippocampus.

Corticosteroids bind to hippocampal glucocorticoid (GR) and mineralocorticoid (MR) receptors, thereby affecting behaviour and neurochemical transmission. Rat hippocampus has high levels of both receptors and their messenger RNAs (mRNA), but there is little information on receptors in human brain. We used in situ hybridization to determine the distribution of GR and MR mRNA expression in human hippocampus. Frozen sections of human postmortem hippocampus (5 patients, 58-88 years old, without cerebral pathology) were postfixed in paraformaldehyde and hybridized with 35S-UTP-labelled cRNA probes (transcribed in vitro from human cDNA subclones) under stringent conditions. Control included hybridization with sense probes and heterologous cRNA competition studies. GR mRNA was highly expressed in dentate gyrus, CA3 and CA4, but levels were significantly lower in CA1 and CA2. MR mRNA was also very highly expressed in hippocampus, with significantly higher levels in dentate gyrus and CA2, CA3 and CA4 than CA1. Controls confirmed the specificity of hybridization and there was little hybridization of sense probes. High GR and MR mRNA expression is found in both rat and human hippocampus but the subregional distributions clearly differ between the species.

Aged↗
PubMed1979

Postoperative swelling and trismus after mandibular third molar removal with the lingual split bone technique.

Several factors have been suggested as possible causes for the development of the swelling and trismus which occur after the surgical removal of impacted third molar teeth. In this investigation, measurements of swelling and trismus were made before and after lower third molar removal by the lingual split technique, in a series of 53 patients. No single cause of these surgical sequelae was identified and the duration and pattern of both swelling and trismus were recorded.

Edema↗
PubMed1977

Dislocated jaw.

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Humans↗
PubMed1976

The antilingula as an anatomic landmark in oral surgery.

The antilingula is a highly variable anatomic landmark and in most instances is situated considerably anteriorly and superiorly to the inferior dental foramen. However, a cut made between 5 and 10 mm. distal to the antilingula is within a statistically safe area, in over 72 per cent of cases, to avoid encroaching upon the inferior alveolar foramen.

Humans↗
PubMedDate not supplied

Childhood lead exposure in Trail revisited.

We sought to identify modifiable determinants of elevated blood lead levels in preschool children; to compare the current situation with past information; to determine historical trends in environmental lead contamination in Trail; and to find a basis for identifying appropriate precautions and protection against future lead exposure. In Phase 1, blood samples were drawn from all children aged 2 to 5. In Phase 2, children in the highest and lowest quartile of blood leads were surveyed by questionnaire. Environmental samples of drinking water, paint, housedust, soil and vegetables were taken from their residences, and soil samples were collected from nearby parks. The average blood lead level was 13.8 micrograms/dl, range 4 to 30 micrograms/dl. This is approximately 40% lower than in 1975, when a previous survey was done, but is high compared to other places in Canada. The study of environmental determinants of lead revealed that soil lead levels and, secondarily, housedust lead levels are the principal determinants of high blood lead. Children with high blood leads also tended to concentrate in neighbourhoods near the lead-zinc smelter.

British Columbia↗