Comparative analysis of percutaneous transluminal angioplasty and operation for renal revascularization

L. S. Erdoes, S. S. Berman, G. C. Hunter, Joseph L Mills

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Contemporary patients requiring renal revascularization often have diffuse atherosclerosis, and increasingly undergo intervention for salvage of renal function rather than control of hypertension alone. Risk-benefit analyses and outcome data are difficult to obtain, since few reports have analyzed a modern, unselected series of consecutive patients subjected to renal revascularization by surgical as well as interventional techniques. We reviewed our 5-year experience with 76 consecutive renal revascularizations in 63 patients. Indications for intervention were hypertension and renal salvage, 60% (n = 38); hypertension, 24% (n = 15); renal salvage, 9.5% (n = 6); and other, 6.5% (n = 4). Ninety-four percent (n = 59) of patients had atherosclerotic occlusive disease of the renal arteries. Percutaneous transluminal angioplasty (PTA) was initially performed on 18 renal arteries in 16 patients, of whom 56% (n = 9) subsequently required surgical reconstruction. Fifty-eight surgical reconstructions were performed in 56 patients and consisted of aortorenal bypass (n = 27), aortorenal endarterectomy (n = 18), and extra-anatomic bypass (n = 13). Concomitant aortic replacement was required in 57% (n = 32) of patients. Preoperative risk factors and operative indications did not differ between the PTA end surgical reconstruction groups. Morbidity and mortality rates associated with PTA were 33% and 4.8%, respectively, while for surgical treatment the morbidity rate was 7% and the mortality rata 5.3% (P = NS). Functional improvement was achieved in 74% of surgically treated patients compared with 22% of PTA-treated patients (P < 0.01). Actuarial renal artery primary patency at 48 months was 81% for the surgery group and 17% for the PTA group (P < 0.01). Aortorenal bypass, endarterectomy, and extra-anatomic bypass were equally efficacious (P > 0.05). The results of surgical reconstruction are excellent, offering more durable patency and functional improvement than PTA, without increased risk. The operation should be tailored to fit the individual patient's disease, since the results of endarterectomy and bypass procedures are equivalent.

Original languageEnglish (US)
Pages (from-to)496-503
Number of pages8
JournalAmerican Journal of Kidney Diseases
Volume27
Issue number4
StatePublished - 1996

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Angioplasty
Kidney
Endarterectomy
Renal Artery
Hypertension
Morbidity
Renal Hypertension
Mortality
Atherosclerosis

Keywords

  • angioplasty
  • renal artery bypass
  • Renal artery disease

ASJC Scopus subject areas

  • Nephrology

Cite this

Comparative analysis of percutaneous transluminal angioplasty and operation for renal revascularization. / Erdoes, L. S.; Berman, S. S.; Hunter, G. C.; Mills, Joseph L.

In: American Journal of Kidney Diseases, Vol. 27, No. 4, 1996, p. 496-503.

Research output: Contribution to journalArticle

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