Abstract:
BACKGROUND:The long-term fate of patent irradiated segments at 6 months after beta-radiation therapy has not been sufficiently evaluated. METHODS:Two-year follow-up angiography was performed in 52 patients with patent irradiated segments at 6 months after beta-radiation with a rhenium 188-mercaptoacetyltriglycine-filled balloon for diffuse in-stent restenosis. We evaluated late recurrence (LR) and its predictors after beta-radiation. RESULTS:Late recurrence at 2 years after radiation was observed in 10 (19.2%) of 52 patients. The minimal lumen diameter (MLD) progressively decreased, from 2.67 +/- 0.44 mm at postprocedure to 2.42 +/- 0.53 mm at 6 months to 2.09 +/- 0.75 mm at 2 years (P = .001). In the 42 patients without LR, the MLD decreased from postprocedure (2.74 +/- 0.43 mm) to 6 months (2.44 +/- 0.54 mm; P = .006), but did not change between 6 months and 2 years (2.35 +/- 0.49 mm, P = .13). In the LR group, the MLD was unchanged from postprocedure (2.33 +/- 0.29 mm) to 6 months (2.30 +/- 0.43 mm; P = .81), but decreased significantly between 6 months and 2 years (1.02 +/- 0.75 mm, P = .001). Multivariate analysis identified postprocedural MLD as an independent predictor of LR (odds ratio 0.025, 95% CI 0.007-0.94, P = .04). Late target lesion revascularization was performed in 6 patients (11.5%) between 6 months and 2 years after radiation. CONCLUSION:Although LR after radiation was observed in some patients, irradiated segments remained stable for up to 2 years in most patients. Smaller postprocedural MLD, followed by delayed late loss between 6 months and 2 years, was associated with LR.
journal_name
Am Heart Jjournal_title
American heart journalauthors
Lee SW,Park SW,Hong MK,Kim YH,Han KH,Kim J,Park JH,Oh SJ,Moon DH,Oh SJ,Lee CW,Kim JJ,Park SJdoi
10.1016/j.ahj.2005.02.011subject
Has Abstractpub_date
2006-01-01 00:00:00pages
158-63issue
1eissn
0002-8703issn
1097-6744pii
S0002-8703(05)00161-4journal_volume
151pub_type
杂志文章abstract:BACKGROUND:Studies have shown that cigarette smokers constitute a substantial proportion of patients with acute coronary syndromes (ACS) and have platelet-rich coronary thrombi. We characterized the influence of smoking status on outcome of patients with ACS without persistent ST-segment elevation and tested the hypoth...
journal_title:American heart journal
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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更新日期:2000-03-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2006-04-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章,meta分析
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1984-02-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,评审
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更新日期:2013-06-01 00:00:00
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