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Renal revascularization in patients with a single functioning ischemic kidney.

R A McCready, M E Daugherty, E J Nighbert

    Journal of Vascular Surgery
    |August 1, 1987
    PubMed
    Summary

    Renal revascularization significantly improves hypertension and kidney function in patients with a single ischemic kidney. This surgical approach is recommended for its positive outcomes in blood pressure control and renal health.

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    Area of Science:

    • Nephrology
    • Vascular Surgery
    • Cardiology

    Background:

    • Single ischemic kidney presents a complex clinical challenge.
    • Renal artery stenosis is a common cause of secondary hypertension and renal dysfunction.
    • Patients with a single kidney are at high risk for progressive renal damage.

    Purpose of the Study:

    • To evaluate the efficacy of renal revascularization in patients with a single ischemic kidney.
    • To assess the impact of the procedure on hypertension and renal function.
    • To determine the safety and long-term outcomes of surgical intervention.

    Main Methods:

    • Retrospective analysis of 19 patients with single ischemic kidneys undergoing renal revascularization between 1965 and 1985.
    • Patients had atherosclerosis or fibromuscular dysplasia as the cause of renal artery lesions.

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  • Preoperative and postoperative data on blood pressure, serum creatinine, and antihypertensive medication use were collected.

    • Main Results:

    • Significant reduction in mean diastolic blood pressure from 119 mm Hg to 86 mm Hg (p < 0.001).
    • Significant decrease in mean serum creatinine from 3.7 mg/dl to 2.2 mg/dl (p < 0.04).
    • Hypertension improved in 14 of 16 survivors (87.5%), with one cure and no worsening of blood pressure.

    Conclusions:

    • Renal revascularization is a safe and effective treatment for single ischemic kidneys.
    • The procedure leads to significant improvements in blood pressure control and renal function.
    • An aggressive surgical approach is warranted for selected patients with a single ischemic kidney.