Association between debulking area of rotational atherectomy and platform revolution speed-Frequency domain optical coherence tomography analysis.
Aged
Atherectomy, Coronary
/ adverse effects
Coronary Artery Disease
/ diagnostic imaging
Coronary Vessels
/ diagnostic imaging
Female
Humans
Male
Predictive Value of Tests
Retrospective Studies
Risk Assessment
Risk Factors
Severity of Illness Index
Tomography, Optical Coherence
Treatment Outcome
Vascular Calcification
/ diagnostic imaging
calcification
coronary artery disease
percutaneous coronary intervention
Journal
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
ISSN: 1522-726X
Titre abrégé: Catheter Cardiovasc Interv
Pays: United States
ID NLM: 100884139
Informations de publication
Date de publication:
01 2020
01 2020
Historique:
received:
07
11
2018
revised:
04
02
2019
accepted:
16
03
2019
pubmed:
13
4
2019
medline:
15
9
2020
entrez:
13
4
2019
Statut:
ppublish
Résumé
In this study, we sought to investigate the association between revolution speed of rotational atherectomy (RA) and debulking area assessed by frequency domain-optical coherence tomography (FD-OCT). The number of patients with severe calcified coronary artery disease requiring treatment with calcium ablation, such as RA, is increasing. However, there is little evidence available regarding the association between debulking area and revolution speed during RA. We retrospectively investigated 30 consecutive severely calcified coronary lesions in 29 patients who underwent RA under FD-OCT guidance. The association between preset revolution speed of RA and burr size-corrected debulking area of the calcified lesion was evaluated using a multivariable regression model with nonlinear restricted-cubic-spline, which can help assess nonlinear associations between variables. The median age of study participants was 73 years (quartile 65-78); 82.8% were male. The median burr size was 1.5 mm (1.5-1.75); median total duration of ablation was 120 s (100-180). FD-OCT revealed that the post-procedural minimum lumen area increased significantly from 1.64 mm FD-OCT demonstrated that RA with lower revolution speed, below 150,000 rpm, has the potential to achieve greater calcium debulking effect in patients with severe calcified coronary lesions.
Sections du résumé
OBJECTIVES
In this study, we sought to investigate the association between revolution speed of rotational atherectomy (RA) and debulking area assessed by frequency domain-optical coherence tomography (FD-OCT).
BACKGROUND
The number of patients with severe calcified coronary artery disease requiring treatment with calcium ablation, such as RA, is increasing. However, there is little evidence available regarding the association between debulking area and revolution speed during RA.
METHODS
We retrospectively investigated 30 consecutive severely calcified coronary lesions in 29 patients who underwent RA under FD-OCT guidance. The association between preset revolution speed of RA and burr size-corrected debulking area of the calcified lesion was evaluated using a multivariable regression model with nonlinear restricted-cubic-spline, which can help assess nonlinear associations between variables.
RESULTS
The median age of study participants was 73 years (quartile 65-78); 82.8% were male. The median burr size was 1.5 mm (1.5-1.75); median total duration of ablation was 120 s (100-180). FD-OCT revealed that the post-procedural minimum lumen area increased significantly from 1.64 mm
CONCLUSIONS
FD-OCT demonstrated that RA with lower revolution speed, below 150,000 rpm, has the potential to achieve greater calcium debulking effect in patients with severe calcified coronary lesions.
Types de publication
Journal Article
Observational Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
E1-E7Informations de copyright
© 2019 Wiley Periodicals, Inc.
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