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  • Title: Long-term results of in situ and extracorporeal surgery for renovascular hypertension caused by fibrodysplasia.
    Author: van Bockel JH, van Schilfgaarde R, Felthuis W, van Brummelen P, Hermans J, Terpstra JL.
    Journal: J Vasc Surg; 1987 Oct; 6(4):355-64. PubMed ID: 3656583.
    Abstract:
    In this study the early and late results of surgical reconstruction for renovascular hypertension caused by fibrodysplasia are evaluated in 53 patients treated between 1962 and 1983. There were 40 female and 13 male patients. The mean blood pressure was 208/126 mm Hg before medical therapy and 171/109 mm Hg thereafter. Bilateral renal artery stenoses were present in 12 patients. In situ revascularization was used in 26 patients and extracorporeal surgery to repair branch artery lesions was performed in 27 patients. Surgical therapy reduced the blood pressure to normal levels with minimal antihypertensive medications. This effect was already apparent 6 to 12 months after operation (mean blood pressure level of 140/90 mm Hg) and it was maintained during a mean follow-up period of 8.4 years (range 1 to 20 years) (mean blood pressure level of 134/85 mm Hg). At 6 to 12 months after operation, 79% of the patients were classified as either cured or improved. At this time the results did not appear to have been influenced by the preoperative duration of hypertension, nor by manifestations of extrarenal arteriosclerosis (ERA) as found in 10 patients, or by the surgical technique applied. But at the end of the long-term follow-up period (mean 8.3 years) the beneficial response rate of 87% appeared to have been adversely influenced by the presence of preoperative ERA, since beneficial response rates were 93% for those without and 67% for those with ERA (p = 0.17). We conclude that renal revascularization is effective both early and late for the treatment of renovascular hypertension caused by fibrodysplasia and that complex renovascular obstruction can be treated effectively with extracorporeal repair.
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