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  • Title: Balloon angioplasty for recurrent coarctation of aorta. Immediate and long-term results.
    Author: Hijazi ZM, Fahey JT, Kleinman CS, Hellenbrand WE.
    Journal: Circulation; 1991 Sep; 84(3):1150-6. PubMed ID: 1832091.
    Abstract:
    BACKGROUND: As angioplasty techniques have been refined and larger low-profile balloons developed, a nonsurgical approach to recoarctation has become available. Several reports have documented both the efficacy and safety of this procedure. However, there are little data available on the long-term follow-up of these patients. This report details the initial results and long-term evaluation of both the relief of obstruction and the presence of hypertension after balloon angioplasty for recurrent coarctation. METHODS AND RESULTS: Balloon angioplasty for recurrent coarctation of the aorta was performed 29 times in 26 patients at a median age of 4 years and 9 months (range, 4 months to 29 years), with eight patients less than 1 year old. Initial surgical techniques were end-to-end anastomosis in 11 patients, subclavian flap aortoplasty in 11 patients, and patch aortoplasty in four patients. Angioplasty was performed at a median interval of 2 years and 7 months (range, 4 months to 23 years) after surgery. Mean peak systolic pressure difference across the coarctation decreased from 40.0 +/- 16.8 to 10.3 +/- 9.5 mm Hg (p less than 0.05) after the initial angioplasty, and mean diameter of the aortic lumen at the coarctation site increased from 5.8 +/- 3.5 to 9.0 +/- 4.3 mm (p less than 0.05). There was no mortality, and only one patient developed an aneurysm (4%). Three patients underwent repeat angioplasty for a pressure difference of more than 20 mm Hg. Long-term follow-up is available on 24 of 26 patients with a mean follow-up of 42 +/- 24 months (range, 12-88 months). Mean peak systolic pressure difference across the area of coarctation decreased from 40.3 +/- 17.4 before angioplasty to 8.5 +/- 8.3 mm Hg after final angioplasty (p less than 0.05) and 7.5 +/- 7.5 mm Hg at follow-up. Mean peak systolic blood pressure in the upper extremities decreased from 133.1 +/- 14.9 before angioplasty to 111.1 +/- 14.1 mm Hg at long-term follow-up (p less than 0.05). CONCLUSIONS: Balloon angioplasty should be considered the treatment of choice for relief of recurrent aortic coarctation.
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