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English Abstract
Journal Article
[Paclitaxel-coated balloons for in-stent restenosis treatment: long-term clinical results and predictors of recurrent target lesion revascularization].
Giornale Italiano di Cardiologia 2018 April
BACKGROUND: The aim of this study was to report clinical outcomes in patients treated with paclitaxel-coated balloons (PCB) for in-stent restenosis (ISR) in both bare metal (BMS) and drug-eluting stent (DES).
METHODS: Between May 2009 and December 2015, we treated 155 ISR in 140 patients. At recruitment, 35% of patients had diabetes. Among the lesions, 125 were first occurrence (55 within BMS and 70 within DES) and 30 recurrent; 24 ISR were multi-metal layered. Mean reference diameter was 2.79 ± 0.52 mm and mean lesion length 13.2 ± 7.1 mm. PCB use included 32 Dior I, 97 InPact Falcon, 18 Panthera Lux, and 8 Restore DEB.
RESULTS: At a median follow-up of 442 days, we observed 18 target lesion revascularizations (TLR), one myocardial infarction, 3 cardiac deaths, and 5 non-cardiac deaths. TLR occurrence differed according to type of ISR (4% within BMS, 14% within DES, 28% within recurrent ISR; p<0.05). TLR was associated with PCB type (35% Dior I, 9% InPact Falcon, 0% Panthera Lux and Restore DEB; p<0.05). Multivariable analysis revealed that first-generation PCB without a carrier (hazard ratio [HR] 2.50, 95% confidence interval [CI] 0.96-6.50; p=0.06) and recurrent ISR (HR 7.76, 95% CI 1.56-38.66; p=0.01) correlated with subsequent TLR.
CONCLUSIONS: Our results confirm the safety and efficacy of PCB for ISR treatment both within BMS and DES. PCB type and recurrent ISR correlate with subsequent TLR.
METHODS: Between May 2009 and December 2015, we treated 155 ISR in 140 patients. At recruitment, 35% of patients had diabetes. Among the lesions, 125 were first occurrence (55 within BMS and 70 within DES) and 30 recurrent; 24 ISR were multi-metal layered. Mean reference diameter was 2.79 ± 0.52 mm and mean lesion length 13.2 ± 7.1 mm. PCB use included 32 Dior I, 97 InPact Falcon, 18 Panthera Lux, and 8 Restore DEB.
RESULTS: At a median follow-up of 442 days, we observed 18 target lesion revascularizations (TLR), one myocardial infarction, 3 cardiac deaths, and 5 non-cardiac deaths. TLR occurrence differed according to type of ISR (4% within BMS, 14% within DES, 28% within recurrent ISR; p<0.05). TLR was associated with PCB type (35% Dior I, 9% InPact Falcon, 0% Panthera Lux and Restore DEB; p<0.05). Multivariable analysis revealed that first-generation PCB without a carrier (hazard ratio [HR] 2.50, 95% confidence interval [CI] 0.96-6.50; p=0.06) and recurrent ISR (HR 7.76, 95% CI 1.56-38.66; p=0.01) correlated with subsequent TLR.
CONCLUSIONS: Our results confirm the safety and efficacy of PCB for ISR treatment both within BMS and DES. PCB type and recurrent ISR correlate with subsequent TLR.
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