Detection of unsuspected renal artery stenoses in patients with abdominal aortic aneurysms: Refined indications for preoperative aortography

R. James Valentine, Stuart I. Myers, George L. Miller, Miguel A. Lopez, G. Patrick Clagett

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Renal artery stenoses (RASs) that are unsuspected on clinical grounds are common in patients with peripheral vascular disease. These lesions may be missed in patients with abdominal aortic aneurysms (AAAs) who undergo arteriography based on selective clinical indications alone. We reviewed 98 consecutive patients with AAAs to determine how often selective arteriography would fail to diagnose unsuspected RAS. The location and degree of RASs were noted on preoperative arteriograms, which were routinely obtained in all patients considered for AAA repair during the study period. Medical records were studied to determine the presence of selective clinical indications for preoperative arteriography (moderate to severe hypertension or renal insufficiency). Twenty-four patients had a significant (≥50% diameter loss) RAS, and 10 patients had a severe (≥75% diameter loss) RAS or renal artery occlusion. Patients with significant RAS had a higher incidence of hypertension (p=0.035) and renal insufficiency (p=0.018). All 10 patients with severe RASs required at least two antihypertensive medications to control their hypertension compared with 22 of 88 patients who did not have a severe RAS (p<0.001). Forty-three patients had an indication for arteriography according to selection criteria (renal insufficiency, moderate or severe hypertension, or both). No severe RASs were found in patients who did not meet the selection criteria for arteriography. Using arteriography based on the presence of hypertension requiring two or more medications for control will detect the vast majority of severe, unsuspected RASs in AAA patients.

Original languageEnglish
Pages (from-to)220-224
Number of pages5
JournalAnnals of Vascular Surgery
Volume7
Issue number3
DOIs
StatePublished - May 1 1993

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Aortography
Renal Artery Obstruction
Abdominal Aortic Aneurysm
Angiography
Hypertension
Renal Insufficiency
Patient Selection
Peripheral Vascular Diseases
Renal Artery
Antihypertensive Agents
Medical Records

ASJC Scopus subject areas

  • Surgery
  • Cardiology and Cardiovascular Medicine

Cite this

Detection of unsuspected renal artery stenoses in patients with abdominal aortic aneurysms : Refined indications for preoperative aortography. / Valentine, R. James; Myers, Stuart I.; Miller, George L.; Lopez, Miguel A.; Clagett, G. Patrick.

In: Annals of Vascular Surgery, Vol. 7, No. 3, 01.05.1993, p. 220-224.

Research output: Contribution to journalArticle

Valentine, R. James ; Myers, Stuart I. ; Miller, George L. ; Lopez, Miguel A. ; Clagett, G. Patrick. / Detection of unsuspected renal artery stenoses in patients with abdominal aortic aneurysms : Refined indications for preoperative aortography. In: Annals of Vascular Surgery. 1993 ; Vol. 7, No. 3. pp. 220-224.
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