Operative balloon angioplasty in the treatment of internal carotid artery fibromuscular dysplasia. J Vasc 755. Olin JW, Gornik HL, Bacharach JM, Biller J, Fine LJ, Gray BH, Gray WA, Gupta R, Hamburg NM, Katzen BT, et al; on behalf of the American Heart Association Council on Peripheral Vascular Disease; American Heart Association Council on Clinical Cardiology; American Heart Association Council on Cardiopulmonary, Critical Care, Perioperative and Resuscitation; American Heart Association Council on Cardiovascular Disease in the Young; American Heart Association Council on Cardiovascular Radiology and Intervention; American Heart Association Council on Epidemiology and Prevention; American Heart Association Council on Functional Genomics and Translational Biology; American Heart Association Council for High Blood Pressure Research; American Heart Association Council on the Kidney in Cardiovascular Disease; American Heart Association Stroke Council. Fibromuscular dysplasia: state of the science and critical unanswered questions: a scientific statement from the American Heart Association. Circulation. 2014;129:1048 1078. doi: 756. Olin JW, Froehlich J, Gu X, Bacharach JM, Eagle K, Gray BH, Jaff MR, Kim ES, Mace P, Matsumoto AH, et al. The United States Registry for Fibromuscular Dysplasia: results in the first 757. De Groote M, Van der Niepen P, Hemelsoet D, Callewaert B, Vermassen F, Billiouw JM, De Vriese A, Donck J, De Backer T. Fibromuscular dysplasia: results of a multicentre study in Flanders. Vasa. 2017;46:211 218. doi: 758. Schievink WI. Spontaneous dissection of the carotid and verte- bral arteries. N Engl J Med. 2001;344:898 906. doi: 10.1056/ 759. Kadian-Dodov D, Gornik HL, Gu X, Froehlich J, Bacharach JM, Chi YW, Gray BH, Jaff MR, Kim ES, Mace P, et al. Dissection and aneurysm in pa- tients with fibromuscular dysplasia: findings from the U.S. Registry for FMD. J Am Coll Cardiol. 2016;68:176 185. doi: 10.1016/j.jacc.2016.04.044 760. Passero SG, Rossi S. Natural history of vertebrobasilar dolichoectasia. 761. 