Biomedical subjects
Publications and source records attributed to A Shaw.
The design of a simple calibrator for checking the performance of respiratory measuring equipment is described. It is particularly suitable for calibrating the equipment used for obtaining flow/volume curves.
Investigation of a series of falls from hospital beds showed that the cause was the poor design of the particular mattresses. Interior sprung mattresses of this construction are unstable at their edges and are particularly hazardous when used with the modern, rigid base hospital bed.
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Thyroxine (T4) and triiodothyronine (T3) increase the number of beta-adrenergic receptors in heart ventricle slices. A short term effect reaches a maximum by 1.5-2 h and requires added amino acids for consistent results. The apparent Km for the L-T3 effect is 15 pM. This effect, measured by an increase in stereospecific binding of (-)-[3H]dihydroalprenolol is not inhibited by cycloheximide or puromycin and is produced more effectively by L-T3 than D-T3. However, cycloheximide nearly completely inhibits protein synthesis in the 2-3 h incubation time. T3 also gives a small inhibition of protein synthesis during this time interval. The early effect of T3 stimulation of dihydroalprenolol binding is considered to be a post-translational event shereby T3 enhances the transport of existing beta-adrenergic receptors from the cytosol into the membrane. A long term (15 h) stimulation of dihydroalprenolol binding to ventricle membranes is also produced by L-T3. This effect is stereospecific, is inhibited by cycloheximide, and is believed to be a transcriptional-translational event leading to the synthesis of new beta-adrenergic receptors by T3.
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Postsplenectomy sepsis is a serious problem with high morbidity and high mortality. Surgical alternatives to total splenectomy are being sought. This paper describes two cases where, after splenectomy, some splenic tissue was either reimplanted or was left in situ and remains functional.
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The suitability of four commercially available standing aids was assessed for routine therapy of a group of severely handicapped patients in hospital care. The problems which arose were mainly technical and these are considered. From experience gained during the study the design requirements of an ideal aid for these patients are proposed.
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Explore the source record for details and available documents.
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Congenital clitoral hypertrophy should be corrected in infancy. Most surgeons perform a total clitroectomy or one of several kinds of clitoral recession procedures. There are some reasons for dissatisfaction with both of these alternatives. An operation in which the corpora cavernosum are resected subcutaneously and the glans sutured to the pubis preserves blood supply and sensation and results in a perineal appearance close to normal. The author has performed this operation infive cases of clitoral hypertrophy associated with adrenogenital syndrome and suggests a wider trial of procedure.