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Previous Volume 345:221 July 19, 2001 Number 3 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: In their review article on renal-artery stenosis (Feb. 8 issue),¹ Safian and Textor indicate that the results of surgery and interventional radiology are better for hypertension associated with fibromuscular hyperplasia than for atherosclerotic renal-artery stenosis.

The explanation for this may lie in the finding by my colleagues and me^2,3 that fibromuscular hyperplasia may not cause renal-artery stenosis and that the saccular dilatations reshape the pulse wave to a flat sine wave, without diminishing the perfusion of the kidney.

Stanley B. Reich, M.D.
University of California, Davis, School of Medicine
Sacramento, CA 95817
asreich@worldnet.att.net

References

1. Safian RD, Textor SC. Renal-artery stenosis. N Engl J Med 2001;344:431-442. [Free Full Text]
2. Christopher RA, Reich SB, Riley JC, Walker LA. Proceedings: in vitro analysis of wave propagation characteristics of pathological renal arteries. Biomed Sci Instrum 1974;10:71-77. [Medline]
3. Reich SB, Riley JC III, Christopher RA, Walker LA, Everitt JH. Changes in the pulse wave form with flow through vessels with repetitive saccular dilatations and stenosis. Invest Radiol 1975;10:622-626. [Medline]

References

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