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E L Lansdown

Publications and source records attributed to E L Lansdown.

12 recordsLinked to original sources

Canadian diagnostic radiology manpower 1982.

By accurate count there were 1 417 Canadian diagnostic radiologists in active practice in 1982 compared with 1 293 in 1977. Between 1966 and 1975 an average of 69 were certified each year by the Royal College of Physicians and Surgeons of Canada, while between 1970 and 1979 the number had fallen to an average of 59, with about four more entering practice following certification in Quebec or by recognition of American or British qualifications. The age of radiologists has risen and a larger proportion are women. Comparison with other data indicates that Canadian radiology manpower is now in balance. Continuation of manpower monitoring is necessary as a potential shortage of radiologists may occur because of the reduced number being trained, of physician immigration restrictions, of moderately less career-time in the work force on the part of women radiologists, of further advances in imaging technology, and of the demands of interventional radiology.

Canada↗

Evaluation of the urea washout pyelogram and urography in the assessment of renovascular hypertension.

The urea washout (UWT) modification of the intravenous pyelogram was used to study 146 hypertensive patients in order to detect the presence of significant renovascular abnormalities. A positive result was obtained in 55 patients and direct confirmation of main renal artery stenoses by selective renal arteriography was obtained in 26. Bilateral abnormalities were confirmed in seven of the 26 patients. No false-negative results were encountered. The usefulness of this test as a comprehensive screening test is outlined. It demonstrated a high degree of accuracy in the diagnosis of significant unilateral or bilateral main renal artery stenosis in addition to the detection of diffuse intrarenal arteriolar disease. It was of value in the postoperative assessment of operative repair of main renal artery defects. The urea washout test embodies both an anatomical and a physiological approach in the roentgen diagnosis of curable renovascular hypertension. The altered physiology resulting from significant main renal artery stenosis makes possible the use of the urea washout intravenous pyelogram. The value of other forms of intravenous pyelography is described.

Adult↗