The Vascular Response After Balloon Angioplasty of Infrapopliteal Intermediate Stenosis Evaluated by Optical Frequency Domain Imaging.

IF 2.1 3区医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Catheterization and Cardiovascular Interventions Pub Date : 2024-11-19 DOI:10.1002/ccd.31291

Haruya Yamane, Yasunori Ueda, Kuniyasu Ikeoka, Haruhiko Abe, Koichi Inoue, Yasushi Matsumura

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引用次数: 0

Abstract

Background: We often experience worsening of stenosis by balloon angioplasty of infrapopliteal (IP) lesion compared with the initial stenosis. However, reports on this phenomenon are limited.

Aims: The main purpose of this study is to evaluate vascular response after balloon angioplasty of IP artery stenosis.

Methods: Thirteen patients (15 arteries) who underwent endovascular treatment (EVT) and follow-up angiography with optical frequency domain imaging (OFDI) of intermediate IP stenosis were included. Serial OFDI images at 3 time points (before and after EVT and at follow-up) were analyzed. Diameter and area of external elastic lamina, internal elastic lamina, and lumen were measured, and plaque area and plaque burden (PB) were calculated. PB before EVT was classified into mild, moderate, and severe by 0%-20%, 21%-40%, and 41%-60%, respectively.

Results: Analyzed were 229 cross sections. External elastic lamina diameter did not change significantly among three time points (3.8 ± 0.5 [95% confidence interval (CI): 3.7 to 3.9] mm, 3.9 ± 0.4 [95% CI: 3.8 to 4.0] mm, 3.9 ± 0.4 [95% CI: 3.8 to 4.0] mm, p = 0.06). Lumen area increased after EVT but became smaller at follow-up than before EVT (4.5 ± 1.5 [95% CI: 4.3 to 4.7] mm², 5.3 ± 1.3 [95% CI: 5.1 to 5.5] mm², 3.7 ± 1.2 [95% CI: 3.5 to 3.9] mm², p < 0.001). Plaque area became smaller after EVT and larger at follow-up than before EVT (3.0 ± 1.7 [95% CI: 2.8 to 3.2] mm², 2.4 ± 1.5 [95% CI: 2.2 to 2.6] mm², 4.0 ± 1.6 [95% CI: 3.8 to 4.2] mm², p < 0.001). Lumen area was significantly smaller at follow-up than before EVT in mild and moderate PB groups, but it was not different in severe PB group (mild PB group: 5.1 ± 1.5 [95% CI: 4.7 to 5.5] mm² vs. 4.0 ± 1.3 [95% CI: 3.7 to 4.3] mm², p < 0.001, moderate PB group: 4.6 ± 1.3 [95% CI: 4.4 to 4.8] mm² vs. 3.6 ± 1.2 [95% CI: 3.4 to 3.8] mm², p < 0.001, severe PB group: 3.0 ± 1.4 [95% CI: 2.5 to 3.5] mm² vs. 3.1 ± 1.0 [95% CI: 2.7 to 3.5] mm², p = 0.93).

Conclusions: Balloon angioplasty of intermediate IP artery stenosis with mild or moderate PB led to smaller lumen area at follow-up than before EVT.

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用光学频域成像评估胫骨下中段狭窄球囊血管成形术后的血管反应

背景：与最初的狭窄情况相比，我们经常会遇到髂下动脉（IP）病变的球囊血管成形术后狭窄加重的情况。目的：本研究的主要目的是评估 IP 动脉狭窄球囊成形术后的血管反应：方法：研究对象包括13名接受血管内治疗（EVT）的患者（15条动脉），这些患者均接受了IP中级狭窄的光频域成像（OFDI）随访血管造影术。对 3 个时间点（EVT 前后和随访时）的序列 OFDI 图像进行了分析。测量外弹力层、内弹力层和管腔的直径和面积，计算斑块面积和斑块负荷（PB）。EVT前的PB按0%-20%、21%-40%和41%-60%分别分为轻度、中度和重度：分析了 229 个横截面。外弹力层直径在三个时间点之间无明显变化（3.8 ± 0.5 [95% 置信区间（CI）：3.7 至 3.9] mm、3.9 ± 0.4 [95% CI：3.8 至 4.0] mm、3.9 ± 0.4 [95% CI：3.8 至 4.0] mm，P = 0.06）。EVT后管腔面积增加，但随访时比EVT前变小（4.5 ± 1.5 [95% CI: 4.3 to 4.7] mm2, 5.3 ± 1.3 [95% CI: 5.1 to 5.5] mm2, 3.7 ± 1.2 [95% CI: 3.5 to 3.9] mm2, p 2, 2.4 ± 1.5 [95% CI: 2.P＝0.93）。结论：结论：与 EVT 前相比，对轻度或中度 PB 的 IP 中动脉狭窄进行球囊血管成形术后，随访的管腔面积更小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Catheterization and Cardiovascular Interventions 医学-心血管系统

CiteScore

5.40

自引率

8.70%

发文量

419

审稿时长

2 months

期刊介绍： Catheterization and Cardiovascular Interventions is an international journal covering the broad field of cardiovascular diseases. Subject material includes basic and clinical information that is derived from or related to invasive and interventional coronary or peripheral vascular techniques. The journal focuses on material that will be of immediate practical value to physicians providing patient care in the clinical laboratory setting. To accomplish this, the journal publishes Preliminary Reports and Work In Progress articles that complement the traditional Original Studies, Case Reports, and Comprehensive Reviews. Perspective and insight concerning controversial subjects and evolving technologies are provided regularly through Editorial Commentaries furnished by members of the Editorial Board and other experts. Articles are subject to double-blind peer review and complete editorial evaluation prior to any decision regarding acceptability.