Journal of cardiovascular development and disease · 2025
Assessment of Paclitaxel Drug-Coated Balloon-Only Angioplasty for Stent Thrombosis: SPARTAN-ST Study.
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Merinopoulos Ioannis, U Bhalraam, Gunawardena Tharusha, Corballis Natasha, Natarajan Rajkumar, Wickramarachchi Upul, Maart Clint, Sreekumar Sulfi, Sawh Chris, Reinhold Johannes, Wistow Trevor, Ryding Alisdair, Gilbert Timothy, Vassiliou Vassilios S, Eccleshall Simon C
Аннотация
BACKGROUND: There are no data regarding the outcomes of patients with stent thrombosis (ST) being treated with drug-coated balloon (DCB) angioplasty. Our aim was to compare the outcomes of patients with ST treated with DCB vs. a drug eluting stent (DES).
METHODS: In this registry analysis, we identified all patients treated for ST in our institution from June 2011 until November 2019. We excluded patients who died in the cath lab, patients with uncrossable lesions, and patients treated with thrombectomy only. Patient outcomes were obtained from Hospital Episodes Statistics from NHS England. The primary endpoint of this study was the composite of cardiovascular mortality, acute coronary syndrome, or target lesion revascularisation. The data were analysed with Cox regression and Kaplan-Meier estimator plots.
RESULTS: A total of 173 patients were identified; 92 treated with DCB-only, 36 with balloon angioplasty (BA), 26 with DES, and 19 with a combination of DES and DCB. We compared the outcomes of 92 patients with DCB versus 20 patients with DES, all of which had presented with late or very late ST. There was no difference between DCB and DES in terms of the primary endpoint (p = 0.06). Multivariate analysis identified diabetes (adverse) and the use of GPIIbIIIa inhibitor (favourable) as the only independent predictors of the primary endpoint. Implantation of a DES was independently associated with worse cardiovascular mortality.
CONCLUSIONS: This is the first study assessing the outcomes of patients with ST treated with DCB only. It has demonstrated that DCBs are an attractive therapeutic option with a tendency towards favourable outcomes when compared to DESs.
METHODS: In this registry analysis, we identified all patients treated for ST in our institution from June 2011 until November 2019. We excluded patients who died in the cath lab, patients with uncrossable lesions, and patients treated with thrombectomy only. Patient outcomes were obtained from Hospital Episodes Statistics from NHS England. The primary endpoint of this study was the composite of cardiovascular mortality, acute coronary syndrome, or target lesion revascularisation. The data were analysed with Cox regression and Kaplan-Meier estimator plots.
RESULTS: A total of 173 patients were identified; 92 treated with DCB-only, 36 with balloon angioplasty (BA), 26 with DES, and 19 with a combination of DES and DCB. We compared the outcomes of 92 patients with DCB versus 20 patients with DES, all of which had presented with late or very late ST. There was no difference between DCB and DES in terms of the primary endpoint (p = 0.06). Multivariate analysis identified diabetes (adverse) and the use of GPIIbIIIa inhibitor (favourable) as the only independent predictors of the primary endpoint. Implantation of a DES was independently associated with worse cardiovascular mortality.
CONCLUSIONS: This is the first study assessing the outcomes of patients with ST treated with DCB only. It has demonstrated that DCBs are an attractive therapeutic option with a tendency towards favourable outcomes when compared to DESs.