title: Procedural efficacy and complications of X-Sizer thrombectomy in de novo and stented lesions.
abstract: Angiographic thrombus is associated with poorer procedural and clinical outcomes. We report our experience with the X-Sizer thrombectomy device (EndiCOR Medical) from March 2001 to December 2002. Indications for use in 44 patients (33 male; mean age, 60) included myocardial infarction (27), unstable angina (6), periprocedural thrombosis (2), acute (< 24 hr) stent thrombosis (1), and subacute (> 24 hr) stent thrombosis (8). Three cases involved vein grafts. Deployment was successful in 42/44. Difficulty traversing the stent occurred in 5/9 cases of in-stent thrombosis. Median TIMI flow increased from 1 to 2 (P = 0.01) postthrombectomy. Median final TIMI flow was 3. Complications included dissection (1), perforation, device jam on stent (1), disruption of a covered stent (1), distal macro-embolization (4), and transient no-reflow (5). The X-Sizer thrombectomy device improves TIMI flow but does not always prevent distal embolization. Care is needed when treating in-stent thrombosis.
authors.affiliation: Division of Cardiology, St. Paul's Hospital and Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
authors.forename: Gordon E
authors.initials: GE
authors.lastname: Pate
authors.forename: Robert
authors.initials: R
authors.lastname: Lowe
authors.forename: Arun
authors.initials: A
authors.lastname: Kuchela
authors.forename: Christopher E
authors.initials: CE
authors.lastname: Buller
authors.forename: Sanjeev
authors.initials: S
authors.lastname: Vaderah
authors.forename: Ronald G
authors.initials: RG
authors.lastname: Carere
authors.forename: Donald R
authors.initials: DR
authors.lastname: Ricci
authors.forename: Jaap N
authors.initials: JN
authors.lastname: Hamburger
authors.forename: John G
authors.initials: JG
authors.lastname: Webb
mesh_terms: D006328:Cardiac Catheterization / Q000295:instrumentation*; D003328:Coronary Thrombosis / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D018709:Statistics, Nonparametric; D015607:Stents; D017131:Thrombectomy / Q000295:instrumentation*; D016896:Treatment Outcome