Procedural Outcomes of Chronic Total Occlusion Percutaneous Coronary Intervention: A Report From the NCDR (National Cardiovascular Data Registry) |
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| Institution: | 1. VA North Texas Healthcare System and University of Texas Southwestern Medical Center at Dallas, Dallas, Texas;2. Columbia University, New York, New York;3. University of Washington, Seattle, Washington;4. Institute for Health Research, Kaiser Permanente Colorado, and University of Colorado Denver, Denver, Colorado;6. University of California San Francisco and VA Medical Center, San Francisco, California;5. Saint Luke’s Mid America Heart Institute and University of Missouri–Kansas City, Kansas City, Missouri |
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| Abstract: | ObjectivesThe aim of this study was to describe contemporary frequency, predictors, and outcomes of chronic total occlusion (CTO) percutaneous coronary intervention (PCI) in the United States.BackgroundCTO PCI can provide significant clinical benefits, yet there is limited information on its success and safety in unselected patient populations.MethodsWe analyzed the frequency and outcomes of CTO PCI compared with non-CTO PCI in elective patients, and of successful versus failed CTO PCI between July 1, 2009, and March 31, 2013, in the National Cardiovascular Data Registry CathPCI Registry. Generalized estimating equations logistic regression modeling was used to generate independent variables associated with procedural success and procedural complications.ResultsDuring the study period, CTO PCI represented 3.8% of the total PCI volume for stable coronary artery disease (22,365 of 594,510). Overall, patients undergoing CTO PCI required greater contrast volume and longer fluoroscopy time and had lower procedural success (59% vs. 96%, p < 0.001) and higher major adverse cardiac event (1.6% vs. 0.8%, p < 0.001) rates than non-CTO PCI patients. On multivariable analysis, several parameters (including older age, current smoking, previous myocardial infarction, previous coronary artery bypass graft, previous peripheral arterial disease, previous cardiac arrest, right coronary artery CTO target vessel, and less operator experience) were associated with a lower likelihood of CTO PCI procedural success, whereas operators’ annual CTO PCI volume was associated with improved success without a significant increase in major complications.ConclusionsCTO PCI is currently performed infrequently in the United States for stable coronary artery disease and is associated with lower procedural success and higher complication rates compared with non-CTO PCI. Procedural success was associated with several patient factors and operator experience. |
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| Keywords: | chronic total occlusion complications outcomes percutaneous coronary intervention CABG"} {"#name":"keyword" "$":{"id":"kwrd0030"} "$$":[{"#name":"text" "_":"coronary artery bypass graft CAD"} {"#name":"keyword" "$":{"id":"kwrd0040"} "$$":[{"#name":"text" "_":"coronary artery disease CTO"} {"#name":"keyword" "$":{"id":"kwrd0050"} "$$":[{"#name":"text" "_":"chronic total occlusion MACE"} {"#name":"keyword" "$":{"id":"kwrd0060"} "$$":[{"#name":"text" "_":"major adverse cardiac event(s) MI"} {"#name":"keyword" "$":{"id":"kwrd0060a"} "$$":[{"#name":"text" "_":"myocardial infarction NCDR"} {"#name":"keyword" "$":{"id":"kwrd0070"} "$$":[{"#name":"text" "_":"National Cardiovascular Data Registry PCI"} {"#name":"keyword" "$":{"id":"kwrd0080"} "$$":[{"#name":"text" "_":"percutaneous coronary intervention |
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