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Article
July 1991

Surveillance for Recurrent Stenosis After Endovascular Procedures: A Prospective Study

Author Affiliations

From The Department of Surgery, University of Iowa College of Medicine, Iowa City.

Arch Surg. 1991;126(7):867-872. doi:10.1001/archsurg.1991.01410310077011
Abstract

• Eighy-nine endovascular procedures were performed during a 1-year period. Techniques included balloon angioplasty (n=50), laser-assisted balloon angioplasty (n=32), and atherectomy (n = 7). Indications were claudication (65.2%), critical ischemia (30.3%), and failing bypass (4.5%). Preoperative evaluation included a history and physical examination, segmental limb pressures, and color duplex ultrasonography. Postoperative surveillance consisted of a history and physical examination, ankle-arm indexes, and color duplex examinations at 1-week, 1-month, and then 3-month intervals. All levels of aortoiliac and infrainguinal disease were treated. Immediate technical success rate was 89.8%. Recurrence rates by life-table analysis reveal a 9-month patency rate of 45.4%. Early results of this prospective study indicate that endovascular procedures are subject to significant restenosis rates. Restraint is advised concerning general acceptance of endovascular procedures pending critical study.

(Arch Surg. 1991;126:867-872)

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