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頁籤選單縮合
題 名 | Preliminary Experience with the NIR Coronary Stent in Kaohsiung Veterans General Hospital=NIR血管支架之初期使用經驗--高雄榮民總醫院 |
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作 者 | 梁興禮; 馬光遠; 曾啟楨; 劉俊鵬; 姜洪霆; | 書刊名 | Acta Cardiologica Sinica |
卷 期 | 14:4 民87.10-12 |
頁 次 | 頁183-193 |
分類號 | 416.262 |
關鍵詞 | 血管支架; 冠狀動脈整形術; 再狹窄; 小冠狀動脈; 長度; NIR stent; Restenosis; |
語 文 | 英文(English) |
中文摘要 | 目的:評估使用新一代經由氣球擴張打開的血管支架( NIR )治療冠狀動脈疾病 患者之臨床效果及長期之再狹窄率。 方法及結果:心從 85 年 7 月至 86 年 12 月,我們為 217 位病患置放了 261 支 NIR 血 管支架(平均年齡 65 ± 9 歲,男性佔 82%,病灶數目 250 )。其中曾接受氣球擴張術治 療而再狹窄者有 15 例(佔 6% ),緊急援助置放支架病灶數有 27 例(佔 10.8% )。 病 灶分類 A 型佔百分之十,B 型佔百分之六十七,C 型佔百分之二十三。置放後導致分支犧 牲、支架邊緣龜裂及產生血栓個數及比例分別是 17 (百分之六點八), 13 (百分之五點 二),3 (百分之一點四)。 有 1 位患者發生支架脫落於左股骨動脈,隔天以切開手術取 出支架。在住院期間發生 7 位(百分之三點二) Q 波急性心肌梗塞,2 位(百分之零點九 )緊急冠狀動脈繞道手術,以及 2 位患者死亡。 支架置放手術成功率是 98%,臨床成功率 95%。有 167 位病患接受冠狀動脈攝影追蹤(追蹤率為百分之七十六點九,平均時間是 156 ± 60 天)。 參考血管直徑平均是 2.9 ± 0.6 毫米,直徑狹窄率為 68 ± 13 %,平均病 灶長度為 12.2 ± 6.0 毫米。置放後立即的血管內徑擴張( acute gain )為 2.3 ± 0.6 毫米,追蹤時血管內徑喪失為 1.2 ± 0.7 毫米,血管內徑淨得是 1.1 ± 0.9 毫米。冠狀 動脈攝影追蹤族群中之血管再狹窄率(定義為直徑狹窄超過百分之五十)為 31%。(本導管 室資料庫中, 包括所有廠牌血管支架,再狹窄率為 37.5% )。 我們以多變數( logistic regression )分析影響再狹窄因素, 發現血直徑小於 2.5 毫米及置放支架總長度超過 30 毫米是影響血管再狹窄率高的獨立變數。 結論:置於 NIR 冠狀動脈血管支架的臨床結果良好, 手術成功率高。 我們患者群中,NIR 支架部位再狹窄率為 31% (在本導管室所使用之血管支架之中,再狹窄率是最低); 但是 在血管直徑小於 2.5 毫米置放 NIR 支架或置放 NIR 支架總長度超過 30 毫米, 再狹窄率 仍偏高。 |
英文摘要 | Purpose. To determine the clinical results and long-term effects of using a new generation of balloon expandable stent, the NIR stent (Scimed Corp.), in the treatment of patients with coronary artery diseases. Methods and Results. From July 1996 to December 1997, we deployed 261 NIR stents in 217 patients (mean age 65±9 years, 82% males). Stents were inserted in restenotic lesions (6%) and bailout situations (10.8%). The type classification of lesions were 10% type A, 69% type B, and 23% type C. Stent jail, marginal dissection, and stent thrombosis were found in 17(6.8%), 13(5.2%), and 3(1.4%) patients, respectively. One stent loss with surgical retrieval in the femoral artery occurred in one patient. In-hospital major events included seven patients with Q wave MI (3.2%), two with emergent coronary artery bypass surgerey (CABG) (0.9%), and two deaths (0.9%). The procedural success rate was 98.2% and the clinical success rate was 95.4%. Angiographic follow-up was performed on 167 patients (77% follow-up rate and follow-up time 156±60 days). The diameter of the reference vessel was 2.9±0.6 mm, diameter narrowing was 68 13%, and lesion length was 12.2±6.0 mm. Acute gain was 2.3±0.6 mm, late loss was 1.2±0.7 mm, net gain was 1.1±0.9 mm. The restenosis rate (diameter narrowing > 50%) of the study population was 31%, which was better than our pooled data, which included other stent designs, of 37.5%. During the six months of follow-up, there were three cardiogenic deaths, five CABGs and 59 percutaneous transluminal coronary angioplasty (PTCA). We analyzed clinical and angiographic characteristics to define factors associated with restenosis. In a stepwise logistic regression analysis model, reference vessel size (<2.5 mm)[P value=0.0001] and total length of stent(s) used (>30 mm)[P value=0.01] were found to be independent factors in predicting a higher restenosis rate. Conclusions. Deployment of the NIR stent has had a favorable clinical result and a high procedural success rate. The restenosis rate of NIR stents in this study is 31.4%, which is the lowest in our catheterization laboratory. Small vessel diameter (less than 2.5 mm) and length of the stent(s)[more than 30 mm] predicted a higher restenosis rate. |
本系統中英文摘要資訊取自各篇刊載內容。