Three-year clinical outcome in all-comers with “silent” diabetes, prediabetes, or normoglycemia, treated with contemporary coronary drug-eluting stents: From the BIO-RESORT Silent Diabetes study

Eline H. Ploumen, Rosaly A. Buiten, Marlies M. Kok, Carine J.M. Doggen, K. Gert van Houwelingen, Martin G. Stoel, Frits H.A.F. de Man, Marc Hartmann, Paolo Zocca, Gerard C.M. Linssen, Cees J.A. Doelman, Gert D. Kant, Clemens von Birgelen*

*Corresponding author for this work

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Background: Patients with coronary disease may have unknown diabetes or prediabetes. We evaluated 3-year outcomes after percutaneous coronary intervention (PCI) with contemporary drug-eluting stents (DES) in patients with silent diabetes, prediabetes, and normoglycemia.

Methods: All BIO-RESORT trial (NCT01674803) participants without known diabetes, enrolled at our center, were invited for oral glucose tolerance testing (OGTT) and measurements of fasting plasma glucose and glycated hemoglobin (HbA1c).

Results: OGTT detected silent diabetes in 68 (6.9%), prediabetes in 132 (13.4%), and normoglycemia in 788 (79.8%) of all 988 study participants. Follow-up was available in 986 (99.8%) patients. The main endpoint target vessel failure (TVF: cardiac death, target vessel-related myocardial infarction [MI], or target vessel revascularization) differed between groups (14.8, 9.9, and 5.6%; p =.002), driven by MI during the first 48 hr and by cardiac death (p <.001; p =.026). Between 48 hr and 3-years, there was no significant between-group difference in TVF, target vessel MI, and target vessel revascularization. Multivariable analysis demonstrated that silent diabetes was independently associated with TVF (adjusted HR: 2.52, 95%-CI: 1.26–5.03). An alternative diagnostic approach—HbA1c and fasting plasma glucose—detected silent diabetes and prediabetes in 33 (3.3%) and 217 (22.0%) patients, and normoglycemia in 738 (74.7%); TVF rates were 12.1, 7.9, and 6.0% (p =.23).

Conclusion: In patients without known diabetes, abnormal glucose metabolism by OGTT was independently associated with higher 3-year TVF rates after PCI with contemporary DES. This difference was driven by periprocedural MI and cardiac death. After the first 48 hr, the rates of TVF, target vessel MI, and target vessel revascularization were low and did not differ significantly between metabolic groups.

Original languageEnglish
Pages (from-to)E110-E118
Number of pages9
JournalCatheterization and cardiovascular interventions
Issue number2
Early online date17 Oct 2019
Publication statusPublished - 1 Aug 2020


  • Diabetes mellitus
  • Glycated hemoglobin
  • Oral glucose tolerance testing
  • Percutaneous Coronary Intervention (PCI)
  • Prediabetes
  • Second-generation drug-eluting stents
  • UT-Hybrid-D

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