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01.01.2019 | Original Article | Ausgabe 6/2019

Heart and Vessels 6/2019

High-sensitivity cardiac troponin decrease after percutaneous coronary intervention in patients with stable coronary artery disease

Zeitschrift:
Heart and Vessels > Ausgabe 6/2019
Autoren:
Rikuta Hamaya, Tomoki Horie, Taishi Yonetsu, Akinori Sugano, Yoshihisa Kanaji, Eisuke Usui, Masahiro Hoshino, Masao Yamaguchi, Hiroaki Ohya, Yohei Sumino, Masahiro Hada, Hidenori Hirano, Yoshinori Kanno, Haruhito Yuki, Kenzo Hirao, Tsunekazu Kakuta
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00380-018-01325-6) contains supplementary material, which is available to authorized users.

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Abstract

Baseline cardiac troponin is a strong predictor of major adverse cardiac events (MACE), and the high sensitive assay can provide risk stratification under the 99th percentile values. Currently, prognostic benefit of PCI has not been established in patients with stable coronary artery disease (CAD), and the influence on baseline troponin levels is unknown. This study aimed to investigate the impact of PCI on baseline high-sensitivity cardiac troponin-I (hs-cTnI) levels and the association with MACE incidence. For 401 patients with stable CAD who were indicated for PCI, baseline hs-cTnI levels were measured before PCI for two times (the average: pre-PCI hs-cTnI) and 10 months after PCI (post-PCI remote hs-cTnI). Hs-cTnI day-to-day variability was assessed based on the pre-PCI values and patients were divided into three groups (Increase/No change/Decrease group) according to the extent of hs-cTnI change (post-PCI remote hs-cTnI minus pre-PCI hs-cTnI) considering the day-to-day variability. A total of 77 patients were categorized into Decrease group. Although Decrease group had significantly higher pre-PCI hs-cTnI levels compared to the other groups, this group had lowest incidence of MACE (p < 0.001). Hs-cTnI changes were independently associated with MACE incidence after adjustment (HR 2.069, 95% CI 1.032–4.006, p = 0.041 for Increase group vs. No change group; HR 0.143, 95% CI 0.008–0.680, p = 0.009 for Decrease group vs. No change group). Hs-cTnI change following PCI was significantly predicted by pre-PCI hs-cTnI, hs-cTnI variability, the presence of dyslipidemia, multivessel disease, and lesions with chronic total occlusion or low quantitative flow ratio. In conclusion, PCI could lower hs-cTnI levels in a certain subset of patients, in whom prognostic benefit might be expected by the intervention.

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Zusatzmaterial
Supplementary material 1 (PDF 69 kb)
380_2018_1325_MOESM1_ESM.pdf
Supplementary material 2 (PDF 78 kb)
380_2018_1325_MOESM2_ESM.pdf
Supplementary material 3 (PDF 76 kb)
380_2018_1325_MOESM3_ESM.pdf
Literatur
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