{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T21:07:48Z","timestamp":1793221668815,"version":"4.5.0"},"reference-count":36,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T00:00:00Z","timestamp":1760313600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T00:00:00Z","timestamp":1760313600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Calcified coronary lesions are frequently seen in patients with comorbidities and pose a higher risk of complications during percutaneous coronary intervention (PCI).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To evaluate the 5\u2010year risk of acute myocardial infarction (MI) and all\u2010cause mortality in patients with and without calcified lesions in patients with chronic coronary artery disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Demographic, clinical, and procedural data were extracted from the Western Denmark Heart Registry (WDHR) for individuals with chronic coronary artery disease undergoing PCI from January 2000 to January 2021. Major exclusion criteria were prior MI and PCI. Patients were categorized according to presence of calcified lesions defined as visible calcium on angiography during the index procedure. The endpoint was MI and all\u2010cause mortality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, 16,757 patients underwent PCI due to chronic coronary artery disease of whom 5302 (32.6%) patients had calcified lesions and 11,455 (68.4%) patients had lesions without calcium. Patients with calcified lesions had significantly higher absolute 5\u2010year risk of MI (15.6% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009826)) compared to patients without calcified lesions (12.8% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u20091469)) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.0005). Patients with calcified lesions had significantly higher absolute 5\u2010year risk for all\u2010cause mortality (13.6% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009720)) compared to patients without calcified lesions (8.6% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009984)) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.0005).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>PCI of calcified lesions was associated with higher 5\u2010year risk of MI and all\u2010cause mortality.<\/jats:p>\n                  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