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Biomedical subjects

J R Macfarlane

Publications and source records attributed to J R Macfarlane.

8 recordsLinked to original sources

Neurosurgery image manager.

Computer technology has become standard in many areas of medical practice, but computer-assisted instruction has not replaced standard textbooks and didactic lectures. This paper describes the development of a computer image-based educational system designed for neurosurgical instruction. The advantages and applications of this system for both clinical and academic use and the required software and hardware requirements are delineated. This computerized tutorial can organize and manipulate large amounts of data. The Neurosurgery Image Manager system contains an introductory help section, a self-assessment test in neurosurgery, and a data base of images from the video disc "The Slice of Life," produced at the University of Utah. Questions are taken from the Self-Assessment in Neurological Surgery series. Additionally, the system contains a reference index for all material in the tutorial, a scored clinical problems section, and a several hundred word glossary. The system is programmed using the Macintosh Hypercard authoring system. Large data bases can be manipulated and linked with graphics, text, and peripherals. Images are stored using the MacVision II digitizing system. The hardware necessary to operate the system and the method of implementation of Neurosurgery Image Manager are described. The prototype Neurosurgery Image Manager has been accepted by the Joint Committee on Education of the American Association of Neurological Surgeons and Congress of Neurological Surgeons as one of the computer formats for the next self-assessment tests.

Computer Graphics

The effect of terodiline on patients with detrusor instability.

In a double-blind cross-over study the effects and safety of terodiline were evaluated in 24 patients with detrusor instability. The optimum dosage was assessed by comparing 37.5 mg and 50 mg with placebo in three 4-week periods. All patients were assessed subjectively and by cystometry. Two-thirds of patients who completed the trial obtained symptomatic relief with terodiline although objectively there was only a weak dose-related tendency to favour terodiline. Ten patients reported side effects. Two patients did not complete the study due to drug intolerance.

Adolescent

Sclerosant therapy for hydroceles and epididymal cysts.

Hydroceles and epididymal cysts presenting in 30 patients were treated by tapping and injection of the sclerosant solution sodium tetradecylsulphate. Ten patients required only one treatment and 20 patients had up to 3 repeat injections. There have been no recurrences in patients completing the course of treatment and the complication rate was low.

Cysts

Chylothorax.

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Adolescent