title: Refractory hypertension and rapidly progressive renal failure due to bilateral renal artery stenosis: case report.
abstract: BACKGROUND
  We report a case of refractory hypertension and acute renal failure with mild proteinuria due to an unreported bilateral Renal Artery Stenosis, who underwent renal biopsy in the suspicion of rapidly progressive glomerulonephritis.
  
  
  METHODS
  A 51-year-old Caucasian male was admitted with refractory hypertension of recent onset and acute renal failure. Duplex Doppler Ultrasonography was performed and provided images highly suggestive for bilateral renal artery stenosis. The patient was referred to the department of interventional radiology, where bilateral selective renal angiography and percutaneous endovascular angioplasty and stenting were performed successfully.
  
  
  CONCLUSIONS
  Duplex Doppler Ultrasonography is thus suggested in patients presenting with refractory hypertension and acute renal failure, especially if atherosclerotic disease and clinical clues of RAS are present. Renal revascularisation with bilateral angioplasty and stenting may play a key role in the treatment of bilateral Renal Artery Stenosis, especially in patients unable to maintain renal function as systemic blood pressure is lowered.
authors: Department of Internal Medicine, Nephrology and Hypertension Unit, University of Rome Tor Vergata, Rome, Italy. annalisa.noce@fastwebnet.it
authors: Annalisa
authors: A
authors: Noce
authors: Maria Paola
authors: MP
authors: Canale
authors: Olga
authors: O
authors: Durante
authors: Simone Manca
authors: SM
authors: di Villahermosa
authors: Valentina
authors: V
authors: Rovella
authors: Fulvio
authors: F
authors: Fiorini
authors: Claudia
authors: C
authors: Parolini
authors: Nicola
authors: N
authors: Di Daniele
mesh_terms: D058186:Acute Kidney Injury / Q000209:etiology*; D018450:Disease Progression; D006801:Humans; D006973:Hypertension / Q000150:complications*; D008297:Male; D008875:Middle Aged; D012078:Renal Artery Obstruction / Q000150:complications*; D013997:Time Factors