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Stent edge vascular response and in-stent geometry after aerobic exercise.


ABSTRACT: The purpose of the present study was to investigate the edge vascular response in patients treated with second-generation drug-eluting stents (DES) after 3 months of aerobic exercise intervention. Thirty-two patients with significant coronary artery disease underwent percutaneous coronary intervention with DES implantation prior to randomization to aerobic interval training (AIT, 14 patients) versus moderate continuous training (MCT, 18 patients). Plaque changes were assessed using grayscale and radiofrequency intravascular ultrasound at baseline and follow-up. The main endpoints were changes in plaque burden and necrotic core content in the 5-mm proximal and distal stent edges. Plaque burden in the distal stent edges decreased significantly in both groups (AIT: -?3.3%; MCT: -?0.4%, p?=?0.01 for both), and more in the AIT group (p?=?0.048). Necrotic core content decreased significantly in the distal stent edges in both groups (-?2.1 mm3 in AIT, -?0.3 mm3 in MCT, p?=?0.01 for both), and more in the AIT group (p?=?0.03). There were no significant changes in proximal stent edges or in in-stent geometry at follow-up. In this small study of patients treated with DES implantation, 3 months of aerobic exercise training demonstrated decreased plaque burden and necrotic core content in the distal stent edges, with larger reductions in the AIT group.

SUBMITTER: Taraldsen MD 

PROVIDER: S-EPMC7829229 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Stent edge vascular response and in-stent geometry after aerobic exercise.

Taraldsen Maria Dalen MD   Videm Vibeke V   Hegbom Knut K   Wiseth Rune R   Madssen Erik E  

Cardiovascular intervention and therapeutics 20200309 1


The purpose of the present study was to investigate the edge vascular response in patients treated with second-generation drug-eluting stents (DES) after 3 months of aerobic exercise intervention. Thirty-two patients with significant coronary artery disease underwent percutaneous coronary intervention with DES implantation prior to randomization to aerobic interval training (AIT, 14 patients) versus moderate continuous training (MCT, 18 patients). Plaque changes were assessed using grayscale and  ...[more]

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