国产药物洗脱支架治疗冠心病的造影随访结果

目的通过复查冠脉造影观察国产药物洗脱支架择期治疗冠心病的临床疗效。方法择期接受Firebird支架(雷帕霉素洗脱支架)治疗的57例冠心病患者,78支病变血管的90处罪犯病变置入98枚Firebird支架,随访6~9个月并复查冠脉造影。结果支架内再狭窄率为3.51%。结论国产药物洗脱支架具有良好的临床疗效。     

国产药物洗脱支架在急性冠脉综合征中的应用

目的：探讨国产药物洗脱支架（Firebird支架）在急性冠脉综合征急诊介入治疗中应用的安全性和有效性.方法：2004年10月～2005年7月间治疗急性冠脉综合征患者86例,所有患者均于发病12h内行急诊经皮冠状动脉介入治疗（PCI）.治疗时随机置入Firebird支架或Cypher支架.Firebird支架组46例,Cypher支架组40例.结果：86例患者急诊PCI治疗均获得成功.Firebird组46支罪犯血管置入53枚Firebird支架,Cypher组40支罪犯血管置入49枚Cypher支架.其中1例置入Cypher支架者术后出现脑出血而死亡.Firebird支架组和Cypher支架组比较,PCI术后TIMI3级率和并发症发生率无显著性差异.对85例患者进行了3～6个月的随访,两组患者均未发生任何心血管事件,术后6个月Firebird支架组有20例（43%）行冠状动脉造影检查,无一例发生支架内再狭窄;Gypher支架组有19例（49%）行冠状动脉造影检查,1例发生支架内再狭窄,两组再狭窄率无显著性差异.结论：Firebird支架在急性冠脉综合征急诊介入治疗中应用有较好的安全性和有效性.     

国产Firebird雷帕霉素药物洗脱支架的临床观察

目的:评价国产Firebird雷帕霉素药物洗脱支架的安全性和有效性.方法:68例冠心病患者,予以置入100个国产Firebird雷帕霉素药物洗脱支架治疗,并进行6月以上至2年随访.结果:即刻成功率为100%.6月以上至2年随访无重要心脏不良事件,无病变靶血管重建术,再狭窄率为0%,无支架内血栓形成.结论:国产Firebird雷帕霉素洗脱支架治疗冠心病安全有效,能有效预防冠脉支架术后再狭窄.     

国产雷帕霉素药物洗脱支架的临床应用观察

目的评价国产雷帕霉素药物洗脱支架的安全性和有效性。方法对32例冠心病患者,予以置入56个国产雷帕霉素药物洗脱支架(Firebird)治疗,并进行6个月以上随访。结果即刻成功率为100%。6个月以上随访,无重要心脏不良事件,无病变靶血管重建术,再狭窄率为0%。结论Firebird能有效预防冠脉支架术后再狭窄,并具有很高的安全性。     

147例国产雷帕霉素洗脱支架Firebird治疗冠心病疗效观察

目的：评价应用国产药物洗脱支架Firebird的临床疗效.方法：选择2004年9月～2007年3月147例置入Firebird支架治疗的冠心病患者进行临床观察,随访1～30个月,11例复查冠状动脉造影.结果：147例患者共置入Firebird支架279枚,手术即刻成功率100%,住院病死率0.6‰,靶病变血管重建术为0,心脏不良事件发生率为1.3%.随访中未发现与Firebird支架相关的再狭窄依据,其中11例患者经冠脉造影证实无再狭窄.结论：上述观察显示Firebird支架能有效治疗冠脉狭窄,减少冠脉支架术后再狭窄,具有很高的安全性及应用前景.     

国产药物洗脱支架在冠心病弥漫性长病变中的临床应用

目的研究国产雷帕霉素药物洗脱支架(Firebird)在冠心病弥漫性长病变中的疗效及安全性。方法 2008年1月1日至2008年12月22日单纯置入Firebird支架的冠心病弥漫性长病变患者72例。随访患者住院期间和出院后主要不良心脏事件(包括心肌梗死、心源性猝死及靶血管再次血运重建术)、心绞痛发作情况等。结果 72例患者术后随访10~24(16.54±6.68)个月,57例心绞痛症状消失(79.17%,57/72),14例心绞痛复发(19.44%,14/72),1例猝死(1.39%,1/72)。再狭窄2例(2.78%,2/72),随访期间发生猝死1例,无急性心肌梗死发生病例。结论国产Firebird药物涂层支架应用于冠心病弥漫性长病变患者中介入治疗是安全有效的。     

Excel雷帕霉素药物洗脱支架临床应用安全性及疗效评价

目的:探讨国产Excel雷帕霉素药物洗脱支架对冠心病患者介入治疗的安全性和近中期疗效。方法:2006年7月~2009年6月共对240例冠心病患者进行介入治疗。术后随访6~24个月,观察有无心绞痛、心肌梗死、猝死及再次血管重建事件。结果:272处病变血管(de novo病变269处,再狭窄病变3处)共使用327枚Excel支架,成功置入支架325枚,2例患者支架置入失败(1例前降支近中段病变严重钙化扭曲,支架不能通过病变;1例回旋支中段病变成角大于90度,支架不能通过成角血管),置入支架成功率99%,5例分别于术后8~18个月出现心绞痛症状,复查造影发现2例发生支架内再狭窄,3例血管造影未见支架再狭窄。1例术后5个月出现疑似晚期支架血栓形成(发生心室颤动)。4例患者术后6个月左右发生上消化道出血,其中1例住院输血治疗。术后6~24个月内主要不良反应事件发生率4.58%。结论:Excel雷帕霉素药物洗脱支架治疗冠心病,具有良好的安全性和满意的近中期临床效果。     

国产药物洗脱支架治疗冠心病35例临床疗效观察

目的观察国产药物洗脱支架在冠心病介入治疗中的安全性和有效性。方法选择2005年5月-2006年7月期间冠心病介入治疗的患者35例,置入国产Firebird药物洗脱支架56枚。观察即刻成功率、术中并发症发生率、住院期间和临床随访期间心脏不良事件发生率。结果35例患者中即刻手术成功率100%,住院期间及临床随访7个月～22个月均无心脏不良事件发生,35例患者全部完成冠状动脉造影术后6个月复查,均无支架内再狭窄。结论国产药物支架能够有效预防冠脉介入治疗术后血管再狭窄,治疗冠心病是安全和有效的。     

国产雷帕霉素药物洗脱支架治疗冠心病患者的一年随访结果

目的:本文观察火鸟支架(Firebird Stent,国产雷帕霉素药物洗脱支架)对冠心病患者治疗的一年临床随访结果,并与心扉支架(Cypher select stent)对比.方法:症状发作的冠心病患者,结合冠状动脉造影结果需行冠脉介入治疗,并分别置入火鸟支架或Cypher支架的原发冠状动脉病变,进行连续入选.冠状动脉介入治疗按常规进行.支架置入后均双联抗血小板治疗至少一年.对完全血管重建患者进行住院期间、6个月及一年临床随访.随访指标包括:死亡、心肌梗死、心绞痛复发,主要心脏不良事件(包括心源性死亡、心肌梗死、心绞痛发作、心力衰竭、再次血运重建、恶性心律失常等),以及支架血柃.与心扉支架对比,观察国产雷帕霉素洗脱支架的疗效和安全性.结果:2006年4月至2007年7月期间入选155例患者.其中完全血管重建107例,火鸟完全重建组48例.Cypher完全重建组59例.两组患者基线临床特征、所有冠状动脉造影及介入治疗过程特征均无显著性差异.住院期间、6个月、12个月临床随访结果显示,死亡率、心肌梗死、心绞痛复发,主要心脏不良事件,以及支架血栓发生率均无统计学显著差异.结论:根据住院期间、6个月及12个月临床随访结果显示,国产雷帕霉素药物洗脱支架治疗冠心病可取得与进口雷帕霉素药物洗脱支架同样的疗效和安全性,但需扩大样本数长期随访进一步研究.     

Comparison of home-made Firebird 2TM drug-eluting stent and imported Endeavor-Sprint drug-eluting stent

目的 对比研究国产Firebird 2TM雷帕霉素药物洗脱钴基合金支架与进口Endeavor-Sprint药物洗脱支架临床应用的安全性及疗效.方法 对100例冠心病患者进行介入治疗,随机分为Firebird组和Endeavor组,每组50例,比较两组支架植入后效果.结果 两组患者血管病变单支、双支、三支、分叉、慢性闭塞、左主干数比较差异无统计学意义(P>0.05),平均血管直径和平均靶病变长度比较差异无统计学意义(P>0.05);两组手术成功率为100%.Firebird组无血栓形成事件发生,Endeavor组发生1例亚急性血栓形成事件,且进行血运重建.Firebird组28例复查冠状动脉造影,1例再狭窄;Endeavor组19例复查冠状动脉造影,2例有再狭窄,两组比较差异无统计学意义(P>0.05).结论 Firebird 2TM雷帕霉素药物洗脱钴基合金支架具有良好的安全性和满意的近、中期疗效.其与进口Endeavor-Sprint药物洗脱支架比较无明显差别.     

国产药物洗脱支架在冠心病中的临床应用

目的评价国产药物洗脱支架(Firebird)临床应用的安全性和有效性。方法对110例冠心病患者置入Firebird支架治疗,术后对患者进行随访,观察有无胸痛复发、心电图异常改变、重要心脏不良事件发生等。结果110例患者共置入Firebird支架146枚,手术即刻成功率100%。对患者至少随访3个月,平均8个月,无重要心脏不良事件发生,38例患者6个月后复查造影2例出现再狭窄,再狭窄率5.2%。结论Firebird支架置入即刻成功率高,能有效预防PCI术后再狭窄,治疗冠心病安全、有效。     

Firebird药物洗脱支架联合国产替罗非班治疗急性冠脉综合征的安全性及疗效

目的 评估Firebird药物洗脱支架(DES)加替罗非班与Cypher支架加替罗非班治疗急性冠脉综合征(ACS)病人的安全性和有效性.方法 2005年7月至2007年7月323例ACS病人,其中接受Firebird支架(Firebird组)161例,接受Cypher支架(Cypher组)162例.两组同时加用替罗非班.首先给予负荷量10μg·kg-1,3 min内静注完毕,之后以0.15 μg·kg-1·min-1的速度微量泵持续静点36 h.比较两组支架植入后即刻到近期的有效性和安全性,并于30 d内进行随访,比较有效性和主要不良心脏事件的发生率.结果 Firebird组与Cypher组比较,术前左室射血分数、靶病变的部位、血小板计数、血红蛋白、红细胞压积差异均无统计学意义.两组手术成功率均为100%,术后出血并发症、血小板计数、血红蛋白、红细胞压积差异均无统计学意义,两组各有2例发生支架内急性血栓(1.2% vs 1.2%,P＞0.05).均无亚急性血栓发生、非致死性心肌梗死各2例(1.3% vs 1.3%)、靶血管再次重建分别为1例(0.6%),2例(1.3%)、再住院分别为2例(1.3%)1例(0.6%)差异均无统计学意义(均P＞0.05).30 d随访均未见支架内再狭窄.结论 Firebird药物洗脱支架加用冠替罗非班治疗ACS均有较好的安全性和有效性,具有与Cypher支架相似的临床疗效.     

Efficacy and safety of Firebird sirolimus-eluting stent in treatment of complex coronary lesions in Chinese patients: one-year clinical and eight-month angiographic outcomes from the FIREMAN registry

Background  Off-label application of drug-eluting stents (DES) during percutaneous coronary intervention (PCI) was not uncommon in daily practice, however DES in treating Chinese patients with complex lesion subset was under-investigated. The primary objective of the FIREMAN registry was to evaluate the long term efficacy and safety of the Firebird sirolimus-eluting stent (SES) in treating patients with complex coronary lesions. Here we report the mid-term of one-year clinical outcomes and eight-month angiographic follow-up results of FIREMAN registry. 

Methods  The FIREMAN registry was a prospective multi-center registry, which included 1029 consecutive patients undergoing PCI with Firebird SES implantation between September 2006 and July 2007 in 45 centers in China. The clinical follow-up was designed to be performed at 1, 6, 12, 18, 24, 30 and 36 months post index procedure, and non-mandatory angiographic follow-up at 8 months was planned. One hundred percent site monitoring was conducted.

Results  Long lesions (59.2%), multi-vessel disease (50.4%), and small vessel disease (31.6%) were mostly found in angiography. Major adverse cardiac events (MACE) occurred in 51 (5.1%) patients at 1 year clinical follow-up, including cardiac mortality in 6 (0.6%), non-fatal myocardial infarction in 11 (1.1%), and target lesion revascularization in 36 (3.5%) of the patients. Definite and probable stent thrombosis (ST) by Academic Research Consortium (ARC) definition occurred in 12 (1.36%) patients at one-year clinical follow-up. The 8-month binary restenosis rate was 5.7% in-segment and 4.3% in-stent, respectively. Late lumen loss was (0.21±0.40) mm in-segment and (0.23±0.36) mm in-stent, respectively. Furthermore, Cox regression analysis revealed that diabetes, small vessel diameter, and chronic total occlusion were independent predictors of ST.

Conclusions  The results showed that the Firebird SES was effective and safe in treating Chinese patients with complex coronary lesions and occurrence of ST rate at one-year clinical follow-up was acceptable, however further long-term follow-up was still necessary. (NCT00552656)

     

Drug-eluting stent for the treatment of small coronary lesion: comparison between sirolimus- and paclitaxel-eluting stent

Background  Patients with small coronary lesions are at increased risk for repeat interventions after coronary angioplasty and stenting. The efficacy of drug-eluting stents (DES) has been demonstrated to improve the outcomes of these patients and is a focus of interest. Currently, two platforms of DES are available (sirolimus-eluting stent (SES) and paclitaxel-eluting stent (PES)). However, it has less been known that DES, SES vs PES, is superior for the treatment of small coronary lesions.
Methods  In this retrospective study, 87 consecutive patients with 151 lesions underwent implantation of coronary SES (n=68) and PES (n=83). Quantitative coronary angiography (QCA) was performed at the time of stent implantation and subsequently at 8 months post-stenting. Small vessel disease was defined as lesions in vessels with diameter 2.5 mm measured by QCA. Major adverse cardiac events (MACE) including death, thrombosis, nonfatal myocardial infarction and target lesion revascularization (TLR) were compared between the two groups.
Results  Baseline clinical characteristics and angiographic parameters were similar between the two groups. At clinical and angiographic follow-up, overall thrombosis rates were similar in both groups (0 vs 1.2%, P>0.05). The TLR and in-segment restenosis were not significantly different (19.1% vs 25.3%; 10.3% vs 10.8%, P=0.365 and P=0.913 respectively) between the two groups. The in-stent restenosis rate, however, was significantly higher in the PES group (4.4% vs 21.7%; P=0.002). Similarly, the late loss was significantly higher in the PES group ((0.140.38) mm vs (0.490.61) mm; P<0.001).
Conclusions  In this small sample-size, non-randomized study, the data indicated that implantation of SES for the treatment of patients with small coronary lesion showed more favorable results in respect of restenosis compared with PES implantation.

     

冠状动脉植入金属裸支架适应证的研究

背景　目前国内植入金属裸支架（BMS）的比例不足5%,远低于美国和欧洲国家的30%~40%。其原因是对植入BMS适应证研究报道较少,BMS的认识还停留在初级阶段。BMS的适应证、效果和安全性受到质疑。目的　探讨急性冠脉综合征（ACS）患者植入BMS的适应证、长期效果和安全性。方法　选取2001—2010年在北华大学附属医院心脏中心住院植入BMS和药物洗脱支架（DES）随访资料完整的ACS患者1 203例为研究对象,其中BMS组491例和DES组712例。患者均住院行冠状动脉造影（CAG）或门诊行CT血管造影（CTA）随访,随访时间为12~175个月,平均随访（71.4±36.4）个月。比较两组不同病变类型（A、B1、B2、C型病变）患者随访终点事件及再狭窄发生率的差异。结果　BMS组与DES组患者心力衰竭、靶血管重建（TVR）、冠状动脉旁路移植术（CABG）发生率比较,差异均无统计学意义（P>0.05）;BMS组患者全因死亡、总主要不良心血管事件（MACE）、靶病变血管重建（TLR）发生率高于DES组,再发非致命性心肌梗死、支架内血栓形成（ST）发生率低于DES组（P<0.05）。两组A型病变患者全因死亡、总MACE、再发非致命性心肌梗死、心力衰竭、TLR、TVR、ST发生率比较,差异均无统计学意义（P>0.05）。BMS组B1型、B2型、C型病变患者全因死亡、总MACE、TLR发生率高于DES组（P<0.05）。两组A型、B1型病变患者支架内再狭窄、节段内再狭窄、支架内再狭窄和/或节段内再狭窄发生率比较,差异均无统计学意义（P>0.05）。两组B2型、C型病变患者节段内再狭窄发生率比较,差异均无统计学意义（P>0.05）;BMS组B2型、C型病变患者支架内再狭窄、支架内再狭窄和/或节段内再狭窄发生率高于DES组（P<0.05）。结论　A型病变ACS患者植入BMS长期全因死亡、总MACE、TLR发生率和再狭窄发生率与DES无差异,远期效果好,安全性高,故可把A型病变ACS作为植入BMS的适应证。     

A comparison of clinical and angiographic outcomes after Excel bioabsorbable polymer versus Firebird durable polymer rapamycin-eluting stent for the treatment of coronary artery disease in a “real world” setting: six-month follow-up results

Background Several clinical trials have shown that rapamycin-eluting stents significantly reduce the risk of restenosis after percutaneous coronary intervention (PCI). The Firebird stent and the Excel stent (coated with bioabsorbable polymer) are two different types of rapamycin-eluting stents made in China, both have been recently approved for clinical use in China by State Food and Drug Administration. However, it is unclear whether there are differences in safety and efficacy between the two types of stents in daily practice. Methods In the month of June 2006, a total of 190 consecutive patients were treated exclusively with Firebird stents (n=93, Firebird group) or Excel stents (n=97, Excel group) in our center and were included in this study. The frequency of major adverse cardiac events (MACE, a composite of death, myocardial infarction or target lesion revascularization), binary restenosis, and late lumen loss and stent thrombosis during a six-month follow-up period were compared between the two groups.Results Patient and lesion characteristics were comparable between the groups. Major adverse cardiac event rates were low in hospital and at 6 months (2.1% in the Excel group and 0% in the Firebird group, P﹥0.05). The 6-month angiographic in-stent restenosis rate was 0% in both groups, with an associated late loss of (0.15 ± 0.21) mm versus (0.14 ± 0.20) mm (P=0.858) and the in-segment restenosis rate was also 0% for the Excel group and the Firebird group. There was no definite stent thrombosis identified in either group during the six-month follow-up period and only one patient in the Excel group had probable stent thrombosis in hospital. Conclusions Results from this mid-term, single-center study showed that both of the Firebird and the Excel rapamycin eluting stent had similar effects on reducing the incidence of MACE and the risk of restenosis (both in-stent and in-segment binary restenosis) after PCI in daily practice.     

国产Firebird 2TM与进口Endeavor-Sprint药物洗脱支架临床应用比较

目的对比研究国产Firebird 2TM雷帕霉素药物洗脱钴基合金支架与进口Endeavor-Sprint药物洗脱支架临床应用的安全性及疗效。方法对100例冠心病患者进行介入治疗,随机分为Firebird组和Endeavor组,每组50例,比较两组支架植入后效果。结果两组患者血管病变单支、双支、三支、分叉、慢性闭塞、左主干数比较差异无统计学意义(P>0.05),平均血管直径和平均靶病变长度比较差异无统计学意义(P>0.05);两组手术成功率为100%。Firebird组无血栓形成事件发生,Endeavor组发生1例亚急性血栓形成事件,且进行血运重建。Firebird组28例复查冠状动脉造影,1例再狭窄;Endeavor组19例复查冠状动脉造影,2例有再狭窄,两组比较差异无统计学意义(P>0.05)。结论 Firebird 2TM雷帕霉素药物洗脱钴基合金支架具有良好的安全性和满意的近、中期疗效。其与进口Endeavor-Sprint药物洗脱支架比较无明显差别。     

紫杉醇药物涂层支架治疗左前降支病变临床研究

目的：探讨紫杉醇药物涂层支架（PES）治疗冠状动脉左前降支（LAD）病变的即刻疗效及预后。方法：2003年2月～2005年3月在本院造影证实连续LAD单支病变患者94例,共107处病变,按常规行经皮冠状动脉成形术加支架置入术,分析患者临床、X线影像学特征及手术成功率,并行随访。结果：94例患者中,29例置入PES,65例置入金属裸支架（BMS）,手术成功率100％。病变弥漫性30例（31．9％）,位于近段52例（55．3％）,中段12例（12．8％）。全部患者均完成术后6个月的随访并行造影复查。PES组术后6个月时造影复查2例（6,9％）发生再狭窄;BMS组1例1个月内因急性前壁心梗死亡,6个月时造影复查21例（32．3％）发生再狭窄。结论：PES置入治疗冠状动脉LAD病变安全有效,术后心源性猝死及非Q波性心肌梗死发生率与置入BMS者相似,支架内再狭窄发生率明显降低,因再狭窄需冠脉搭桥率也显著降低,术后6个月再狭窄率与文献报道冠脉搭桥术相近。