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  • Title: Severe and resistant hypertension in an older woman with claudication.
    Author: Gupta P, Hagberg R, Kaloudis E, Lucas A, Shah P, White WB.
    Journal: J Am Soc Hypertens; 2017 Aug; 11(8):475-479. PubMed ID: 28642065.
    Abstract:
    Coarctation of the aorta is an uncommon cause of treatment-resistant hypertension in adults. It is typically detected and treated in infancy or childhood with surgical or endovascular procedures. Most cases of recurrence of coarctation after repair occur in childhood or early adulthood; recurrence in older persons (>70 years) has rarely been reported. A 73-year-old woman was referred to us for the management of treatment-resistant hypertension accompanied by symptoms of claudication and headaches, which had resulted in multiple emergency room visits. Of note, 58 years earlier, a graft from the left subclavian artery had been used to bypass an aortic coarctation. During a hospitalization for severe hypertension accompanied by acute kidney injury and heart failure, diagnostic angiography revealed a complete thrombotic occlusion of the left subclavian-artery-to-descending-aorta bypass graft and a tight coarctation in the descending thoracic aorta. Balloon angioplasty and stenting across the coarctation was only transiently effective; subsequently, an ascending-to-descending graft was placed distal to the coarctation, and within a few days, the blood pressure levels and claudication improved markedly. This case demonstrates that hypertension specialists should suspect the possibility of recurrence of a coarctation in older patients who present with resistant hypertension and have a remote history of coarctation repair. Although such late recurrences are not common, as illustrated in our patient, surgical intervention may contribute to significant improvement in blood pressure control and prevent future complications.
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