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  • Title: [Isolated aortic isthmus stenosis: operation indications and results].
    Author: Schumacher G, Peters DR, Schreiber R, Meisner H, Heimisch W, Sebening F, Bühlmeyer K.
    Journal: Herz; 1984 Dec; 9(6):362-70. PubMed ID: 6510877.
    Abstract:
    The goal of surgical correction of isolated coarctation of the aorta is normalization of the blood pressure. To assess the optimal age for the intervention with respect to operative morbidity and mortality, residual stenosis and recoarctation rate as well as the postoperative persistence of arterial hypertension without recoarctation, the pre- and postoperative findings of 237 patients (age at surgery: range one week to 17 years) were analyzed. The blood pressure, which was above the 95th percentile of age-matched normal values preoperatively in 93%, showed a clear decrease postoperatively in all age groups. On surgical correction, however, performed as of six years of age, there was a continuously increasing rate of persistent arterial hypertension without recoarctation which ranged from about 10% in those undergoing surgery between the ages of six and eight years to 31% in patients operated at ages between 13 and 17 years. In consideration of the operative results only with respect to the response of the resting blood pressure, insight is enabled only into one aspect of the prognosis, since the latter is equally dependent on the postoperative systemic arterial resistance. The systemic arterial resistance is already slightly elevated at three to five years of age, significantly increased as of six years of age, and at surgery after the age of six, shows a further increasing tendency. Accordingly, patients with postoperative normal or borderline-elevated blood pressure and apparently adequate surgical results, may be at risk of subsequent development of hypertension due to persistence of increased resistance, in particular, if surgery is performed after the age of five years.(ABSTRACT TRUNCATED AT 250 WORDS)
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