alexa Renal revascularization for recurrent pulmonary edema in patients with poorly controlled hypertension and renal insufficiency: a distinct subgroup of patients with arteriosclerotic renal artery occlusive disease.


Journal of Clinical & Experimental Cardiology

Author(s): Messina LM, Zelenock GB, Yao KA, Stanley JC

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Abstract Recurrent pulmonary edema in patients with poorly controlled hypertension and renal insufficiency appears to be a marker of bilateral renal artery occlusive disease. The effectiveness of renal revascularization to prevent recurrent pulmonary edema in this distinct subgroup with renal artery occlusive disease was analyzed in 17 consecutive patients treated at the University of Michigan Hospital between 1984 and 1990. Their mean preoperative blood pressure was 207/110 mm Hg, and mean serum creatinine clearance was 3.8 mg/dl. Pulmonary edema occurred despite evidence of normal ventricular function in 65\% of these patients. Bilateral renal artery occlusive disease affected 94\% of the patients, and 54\% had an occluded renal artery. Renal revascularization was accomplished by iliorenal bypass (41\%), aortorenal bypass (29\%), endarterectomy (24\%), and transluminal angioplasty (6\%). Contralateral nephrectomy (41\%) and concomitant aortic reconstruction (24\%) were also required frequently. No postoperative deaths occurred, and no patient had early postoperative pulmonary edema. Control of hypertension was improved in all patients, two of whom were discharged from the hospital on no antihypertensive medications. Two of the three patients requiring dialysis before operation were able to discontinue dialysis after operation. Late follow-up (mean, 2.4 years) revealed hypertension to be cured in one patient (6\%), and improved in 16 patients (94\%). Pulmonary edema occurred in one patient during late follow-up. Late follow-up showed renal function (mean creatinine, 1.7 mg/dl) to be improved in 77\%, stable in 12\%, and worse in two patients; one required dialysis. A single episode of pulmonary edema in a patient with poorly controlled hypertension and renal insufficiency should prompt consideration of this clinical syndrome and early diagnostic angiography.(ABSTRACT TRUNCATED AT 250 WORDS)
This article was published in J Vasc Surg and referenced in Journal of Clinical & Experimental Cardiology

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