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Chronic Total Occlusions in Sweden - A Report from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR)

Ramunddal, Truls; Hoebers, Loes; Henriques, Jose P. S.; Dworeck, Christian; Angeras, Oskar; Odenstedt, Jacob; Ioanes, Dan; Olivecrona, Göran LU ; Harnek, Jan LU and Jensen, Ulf, et al. (2014) In PLoS ONE 9(8).
Abstract
Introduction: Evidence for the current guidelines for the treatment of patients with chronic total occlusions (CTO) in coronary arteries is limited. In this study we identified all CTO patients registered in the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) and studied the prevalence, patient characteristics and treatment decisions for CTO in Sweden. Methods and Results: Between January 2005 and January 2012, 276,931 procedures (coronary angiography or percutaneous coronary intervention) were performed in 215,836 patients registered in SCAAR. We identified all patients who had 100% luminal diameter stenosis known or assumed to be >= 3 months old. After exclusion of patients with previous coronary artery bypass graft... (More)
Introduction: Evidence for the current guidelines for the treatment of patients with chronic total occlusions (CTO) in coronary arteries is limited. In this study we identified all CTO patients registered in the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) and studied the prevalence, patient characteristics and treatment decisions for CTO in Sweden. Methods and Results: Between January 2005 and January 2012, 276,931 procedures (coronary angiography or percutaneous coronary intervention) were performed in 215,836 patients registered in SCAAR. We identified all patients who had 100% luminal diameter stenosis known or assumed to be >= 3 months old. After exclusion of patients with previous coronary artery bypass graft (CABG) surgery or coronary occlusions due to acute coronary syndrome, we identified 16,818 CTO patients. A CTO was present in 10.9% of all coronary angiographies and in 16.0% of patients with coronary artery disease. The majority of CTO patients were treated conservatively and PCI of CTO accounted for only 5.8% of all PCI procedures. CTO patients with diabetes and multivessel disease were more likely to be referred to CABG. Conclusion: CTO is a common finding in Swedish patients undergoing coronary angiography but the number of CTO procedures in Sweden is low. Patients with CTO are a high-risk subgroup of patients with coronary artery disease. SCAAR has the largest register of CTO patients and therefore may be valuable for studies of clinical importance of CTO and optimal treatment for CTO patients. (Less)
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PLoS ONE
volume
9
issue
8
publisher
Public Library of Science
external identifiers
  • wos:000341230400025
  • scopus:84905921621
ISSN
1932-6203
DOI
10.1371/journal.pone.0103850
language
English
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yes
id
bf73e831-e642-4223-9674-2f64989c7924 (old id 4716931)
date added to LUP
2014-11-03 07:16:18
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2017-10-08 04:06:35
@article{bf73e831-e642-4223-9674-2f64989c7924,
  abstract     = {Introduction: Evidence for the current guidelines for the treatment of patients with chronic total occlusions (CTO) in coronary arteries is limited. In this study we identified all CTO patients registered in the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) and studied the prevalence, patient characteristics and treatment decisions for CTO in Sweden. Methods and Results: Between January 2005 and January 2012, 276,931 procedures (coronary angiography or percutaneous coronary intervention) were performed in 215,836 patients registered in SCAAR. We identified all patients who had 100% luminal diameter stenosis known or assumed to be >= 3 months old. After exclusion of patients with previous coronary artery bypass graft (CABG) surgery or coronary occlusions due to acute coronary syndrome, we identified 16,818 CTO patients. A CTO was present in 10.9% of all coronary angiographies and in 16.0% of patients with coronary artery disease. The majority of CTO patients were treated conservatively and PCI of CTO accounted for only 5.8% of all PCI procedures. CTO patients with diabetes and multivessel disease were more likely to be referred to CABG. Conclusion: CTO is a common finding in Swedish patients undergoing coronary angiography but the number of CTO procedures in Sweden is low. Patients with CTO are a high-risk subgroup of patients with coronary artery disease. SCAAR has the largest register of CTO patients and therefore may be valuable for studies of clinical importance of CTO and optimal treatment for CTO patients.},
  articleno    = {e103850},
  author       = {Ramunddal, Truls and Hoebers, Loes and Henriques, Jose P. S. and Dworeck, Christian and Angeras, Oskar and Odenstedt, Jacob and Ioanes, Dan and Olivecrona, Göran and Harnek, Jan and Jensen, Ulf and Aasa, Mikael and Jussila, Risto and James, Stefan and Lagerqvist, Bo and Matejka, Goran and Albertsson, Per and Omerovic, Elmir},
  issn         = {1932-6203},
  language     = {eng},
  number       = {8},
  publisher    = {Public Library of Science},
  series       = {PLoS ONE},
  title        = {Chronic Total Occlusions in Sweden - A Report from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR)},
  url          = {http://dx.doi.org/10.1371/journal.pone.0103850},
  volume       = {9},
  year         = {2014},
}