Background: Data regarding the use of percutaneous coronary intervention with drug-eluting balloons (DEB) versus thin-strut drug-eluting stents (thin-DES) for treating DES in-stent restenosis in everyday clinical practice is scarce. Our goal was to evaluate the efficacy and safety profile of DEB versus thin-DES in DES in-stent restenosis. Methods: Consecutive patients with DES in-stent restenosis who underwent percutaneous coronary intervention between 2008 and 2019 entered the multicenter DEB-DRAGON Registry with a follow-up of 3 years. Patients who received DEB at the index procedure (n=557, 49.9%) were compared with those who received thin-DES (n=560, 50.1%). Results: Analysis of the unmatched cohort revealed lower rates of target lesion revascularization (9.1% versus 13.6%; hazard ratio [HR], 0.58 [95% CI, 0.41–0.83], P =0.003), target vessel revascularization (11.8% versus 16.7%; HR, 0.62 [95% CI, 0.45–0.84], P =0.003) and device-oriented composite end point, defined as a composite of cardiac death, target lesion revascularization, and target vessel myocardial infarction (12.7% versus 16.0%; HR, 0.69 [95% CI, 0.50–0.94], P =0.018) in the thin-DES group compared with the DEB group. The incidence of cardiac death, target vessel-myocardial infarction, and myocardial infarction were similar in both groups. However, after propensity score matching, there were no significant differences in target lesion revascularization (11.2% versus 11.2%; HR, 0.91 [95% CI, 0.55–1.51], P =0.707), target vessel revascularization (13.4% versus 14.2%; HR, 0.86 [95% CI, 0.55–1.36], P =0.523), and device-oriented composite end point (14.2% versus 14.2%; HR, 0.91 [95% CI, 0.58–1.42], P =0.667) between the thin-DES and DEB group, respectively. Conclusions: This analysis of a real-life registry revealed similar long-term outcomes of thin-DES and DEB in DES in-stent restenosis regarding target lesion revascularization, myocardial infarction, cardiac death, and device-oriented composite end point. REGISTRATION: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT04415216.
Background: There is limited data on the optimal revascularization strategy in patients with recurrent in-stent restenosis (R-ISR).Aims: To compare the long-term outcomes of patients treated with either a thin-strut drug-eluting stent (thin-DES) or a drug-eluting balloon (DEB) for R-ISR in a drug-eluting stent (DES).Methods: A multicenter DEB-DRAGON registry was used to retrospectively identify patients with R-ISR who received either a thin-DES or a DEB. Propensity score matching was applied to adjust for baseline differences. The primary outcome was target lesion revascularization (TLR).Results: Out of 311 patients (mean age, 67 years; 63% male) with R-ISR, 86 (27.7%) were treated with a thin-DES and 225 (72.3%) with a DEB. Median follow-up was 2.6 years. TLR occurred in 18 (20.9%) patients who received thin-DES and 61 (27.1%) patients treated with DEB (hazard ratio [HR], 0.57; 95% confidence interval [CI], 0.33-0.98; log-rank P = 0.04). The difference remained significant in a propensity score-matched cohort of 57 patients treated with thin-DES and 57 patients treated with a DEB (17.5 vs. 33.3%, respectively; HR, 0.38; 95% CI, 0.17-0.86; P = 0.01). The risks of device-oriented adverse cardiac events and all-cause mortality were similar after thin-DES or DEB in both unadjusted and propensity score-matched cohorts. In a multivariable Cox proportional hazard model, the treatment with a thin-DES was an independent predictor of a TLR-free survival (HR, 0.33; 95% CI 0.13-0.84; P = 0.02). Conclusions:In patients with R-ISR implantation of a thin-DES is associated with a lower risk of repeated revascularization compared with angioplasty with a DEB.
Introduction Data regarding the duration of dual antiplatelet therapy (DAPT) in patients with drug-eluting stent restenosis (DES-ISR) treated with percutaneous coronary intervention (PCI) and drug-eluting balloons (DEB) or DES are not unambiguous. Aim To evaluate the relationship between long-term outcomes and the length of DAPT in patients treated with PCI due to DES-ISR with DEB or DES. Material and methods Overall, a total of 1,367 consecutive patients with DES-ISR, who underwent PCI with DEB or DES between 2008 and 2019 entered the study. The mean length of the follow-up was 1,298.7 ±794 days. We assessed study endpoints according to the duration of DAPT (≤ 3 vs. > 3 and ≤ 6 vs. > 6 months) before and after propensity score matching (PSM): stroke, target lesion revascularisation (TLR), target vessel revascularisation (TVR), myocardial infarction (MI), death and device oriented composite endpoints (DOCE). Kaplan-Meier estimates were created to differentiate long-term outcomes. Results Pairwise contrast analysis considering type of PCI (DES vs. DEB) and duration of DAPT (≤ 6 vs. > 6 months) before PSM revealed superiority of DES + DAPT > 6 months vs. DEB + DAPT > 6 months for DOCE ( p < 0.001), TVR ( p = 0.02) and TLR ( p = 0.01). Also, DES + DAPT ≤ 6 months was found to be superior compared to DEB + DAPT ≤ 6 months for DOCE ( p < 0.001), TVR ( p = 0.02) and TLR ( p = 0.01). Kaplan-Meier estimate analysis confirmed that DAPT > 6 months is related to a higher stroke rate ( p = 0.01) when compared to ≤ 6 months. Conclusions Treatment with DAPT in patients with DES-ISR is related to better long-term outcomes in the case of PCI with DES than DEB. DAPT > 6 months is related to the greater rate of strokes, independently of the type of treatment (DES and DEB) than DAPT ≤ 6 months.
The article presents a case of a woman with a third-degree atrioventricular (AV) block and neoplastic process. The selection of a leadless pacemaker (Micra, LP) with AV synchronization is described. By the example of the risk of venous thrombosis and pocket erosion, the use of LP as an alternative to classical endocavitary cardiac stimulation is discussed. Based on the literature data and our own experience, practical aspects of the procedure were presented. The following illustrations are included: ECG with a third-degree AV block, a selected view from fluoroscopy with an implanted leadless pacemaker in the interventricular septum in the heart`s right ventricle, and a postprocedural chest X-ray.
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