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Efficacy and safety of intravascular lithotripsy for the treatment of peripheral arterial disease: An individual patient-level pooled data analysis.

ABSTRACT: BACKGROUND:Peripheral arterial disease (PAD) is one of the most common manifestations of atherosclerotic disease worldwide. Peripheral arterial calcification reduces acute success and long-term patency of endovascular therapy for PAD. Several calcium modification devices are available for use in peripheral interventions. Outcomes after peripheral intravascular lithotripsy (IVL), a novel approach using pulsatile sonic waves to treat luminal and medial calcium in patients with PAD, have not been extensively characterized. Therefore, we sought to perform an individual patient-level data (IPD) pooled analysis of available studies to evaluate the efficacy and safety of IVL in the treatment of PAD. METHODS AND RESULTS:We pooled IPD, including baseline and procedural variables, from five prospective studies which assessed IVL in the treatment of patients with extensive peripheral artery calcification. Final postprocedural percent diameter stenosis (%DS) and procedural angiographic complications were assessed by independent core laboratory. Efficacy endpoints were analyzed using linear mixed effects models and safety endpoints were tabulated overall and by vascular bed. Among 336 patients who underwent endovascular revascularization with use of IVL, there was a significant reduction between pre-procedural and final %DS of 55.1% (95% confidence interval 53.3-57.0%, p

SUBMITTER: Madhavan MV

PROVIDER: S-EPMC7187419 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Efficacy and safety of intravascular lithotripsy for the treatment of peripheral arterial disease: An individual patient-level pooled data analysis.

Madhavan Mahesh V MV Shahim Bahira B Mena-Hurtado Carlos C Garcia Lawrence L Crowley Aaron A Parikh Sahil A SA

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions 20200120 5

<h4>Background</h4>Peripheral arterial disease (PAD) is one of the most common manifestations of atherosclerotic disease worldwide. Peripheral arterial calcification reduces acute success and long-term patency of endovascular therapy for PAD. Several calcium modification devices are available for use in peripheral interventions. Outcomes after peripheral intravascular lithotripsy (IVL), a novel approach using pulsatile sonic waves to treat luminal and medial calcium in patients with PAD, have no ...[more]

PMID: 31957955

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Project description:IntroductionThe combination of intravascular lithotripsy (IVL) and drug-coated balloon (DCB) angioplasty for calcified peripheral lesions is associated with promising short-term results. However, data regarding the 12 months performance of this treatment option is missing. This study reports on the outcomes of IVL and DCB angioplasty for calcified femoropopliteal disease.MethodsPatients treated with IVL and DCB for calcified femoropopliteal lesions between February 2017 and September 2020 were included into this study. The primary outcome measure of this analysis was primary patency. Secondary patency, freedom from target lesion revascularization (TLR) and overall mortality were additionally analyzed.ResultsFifty-five (n = 55) patients and 71 lesions were analyzed. Most patients presented with long-term limb-threatening ischemia (n = 31, 56%), 47% (n = 26) were diabetics, and 66% (n = 36) had long-term kidney disease. The median lesion length was 77 mm (interquartile range: 45-136), and 20% (n = 14) of the lesions were chronic total occlusions (CTOs). Eccentric calcification was found in 23% of the vessels (n = 16), and circumferential calcium (peripheral arterial calcium scoring system [PACSS] Class 3 and 4) was present in 78% (n = 55) of the treated lesions.The technical success after IVL amounted to 87% (n = 62) and the procedural success to 97% (n = 69). A flow-limiting dissection was observed in 2 cases (3%). Both the rates of target lesion perforation and distal embolization were 1% (n = 1). A bail-out scaffold was deployed in 5 lesions (7%). At 12 months the Kaplan-Meier estimate of primary patency was 81%, the freedom from TLR was 92% and the secondary patency 98%. The overall survival amounted to 89%, while the freedom from major amputation to 98%. The presence of eccentric disease, CTOs, or PACSS Class 4 did not increase the risk for loss of patency or TLR.ConclusionsIn this challenging cohort of patients, the use of IVL and DCB for calcified femoropopliteal lesions was associated with promising 12 months outcomes and an excellent safety profile.

Dataset Information

Efficacy and safety of intravascular lithotripsy for the treatment of peripheral arterial disease: An individual patient-level pooled data analysis.

Publications

Efficacy and safety of intravascular lithotripsy for the treatment of peripheral arterial disease: An individual patient-level pooled data analysis.

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