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Document Details : Title: Long-term safety of intracoronaryhaemodynamic assessment for deferral of angioplasty in intermediate coronary stenoses Subtitle: A 5-year follow-up Author(s): WIJPKEMA, Jasper S. , VAN DER VLEUTEN, Pieter A. , JESSURUN, Gillian A.J. , TIO, René A. Journal: Acta Cardiologica Volume: 60 Issue: 2 Date: April 2005 Pages: 207-211 DOI: 10.2143/AC.60.2.2005033 Abstract : Background — Intracoronary flow and pressure measurements can be used for evaluating intermediate lesions. Studies focussing on short- and medium-term results demonstrated its safety. Long-term results are, however, not available. Objective — The goal of this study was to assess the long-term safety and clinical implications of decision making for intermediate coronary stenosis based on intra-coronary haemodynamic measurements. Methods and results — In this prospective study, 61 patients with an intermediate coronary stenosis were included between January 1994 and December 1998. In these patients either coronary flow reserve or fractional flow reserve was measured. Death, target vessel revascularization, myocardial infarction, unstable angina and cerebrovascular accident were considered as major adverse cardiac events. The patients were followed during 5.5 (1.8) years for the occurrence of major adverse cardiac events (MACE). Although many patients presented with complaints, only 19.7% experienced a MACE in the follow-up period. Conclusion — Intracoronary measurements of CFR and FFR can be routinely used for objective clinical decision making in intermediate coronary stenoses. The low 5-year event rate supports conservative treatment strategy when cut-off values are implemented. |
