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Percutaneous renal artery stent placement for hypertension and azotemia: pilot study.

Abstract
To evaluate the efficacy of balloon-expandable (Palmaz) stents in the treatment of atheromatous renal artery stenosis, prospective placement of stents in 24 arteries in 20 patients was performed over an 18-month period. Indications were hypertension in 18 patients and renal insufficiency (serum creatinine > 1.5 mg/dL) in 11, and all lesions failed conventional transluminal angioplasty. Technical success was achieved in 96% of cases. Hypertension benefit was noted in 77% of patients followed for 6 months (n = 13) and 67% of patients at 1 year (n = 8). Improvement in serum creatinine was seen in 71% (n = 7) and 100% (n = 3) of azotemic patients evaluated at 6 and 12 months, respectively. Six-month angiographic patency was identified in 13 of 16 treated sites. Renal artery stent placement resulted in one asymptomatic segmental branch occlusion; there were no other procedural complications. In conclusion, renal artery stent placement is a technically and clinically effective treatment for hypertension and azotemia due to renal artery stenosis.
AuthorsJ H Rundback, J M Jacobs
JournalAmerican journal of kidney diseases : the official journal of the National Kidney Foundation (Am J Kidney Dis) Vol. 28 Issue 2 Pg. 214-9 (Aug 1996) ISSN: 0272-6386 [Print] United States
PMID8768916 (Publication Type: Journal Article)
Topics
  • Aged
  • Aged, 80 and over
  • Angioplasty, Balloon (adverse effects, instrumentation, methods, statistics & numerical data)
  • Arteriosclerosis (complications, diagnostic imaging, therapy)
  • Female
  • Humans
  • Hypertension, Renovascular (diagnostic imaging, etiology, therapy)
  • Male
  • Middle Aged
  • Pilot Projects
  • Prospective Studies
  • Radiography
  • Recurrence
  • Renal Artery (diagnostic imaging)
  • Stents (adverse effects, statistics & numerical data)
  • Treatment Outcome
  • Uremia (diagnostic imaging, etiology, therapy)

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