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Coronary Stent Infection Presented as Recurrent Stent Thrombosis.

ABSTRACT: Percutaneous transluminal coronary angioplasty with metal stent placement has become a well-developed treatment modality for coronary stenotic lesions. Although infection involving implanted stents is rare, it can, however, occur with high morbidity and mortality. We describe herein a case of an inserted coronary stent that was infected and complicated with recurrent stent thrombosis, pseudoaneurysm formation and severe sepsis. Despite repeated intervention and bypass surgery, the patient died from severe sepsis.

SUBMITTER: Lai CH

PROVIDER: S-EPMC5290029 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Coronary Stent Infection Presented as Recurrent Stent Thrombosis.

Lai Chih Hung CH Lin Yung Kai YK Lee Wen Lieng WL Chang Wei Chun WC

Yonsei medical journal 20170301 2

Percutaneous transluminal coronary angioplasty with metal stent placement has become a well-developed treatment modality for coronary stenotic lesions. Although infection involving implanted stents is rare, it can, however, occur with high morbidity and mortality. We describe herein a case of an inserted coronary stent that was infected and complicated with recurrent stent thrombosis, pseudoaneurysm formation and severe sepsis. Despite repeated intervention and bypass surgery, the patient died f ...[more]

PMID: 28120580

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Short-term consequences of angiographically-confirmed coronary stent thrombosis.

Project description:ObjectivesTo conduct a meta-analysis to quantify the real-world incidence of in-hospital or 30-day death or myocardial infarction (MI), and angiographically-confirmed ST-related treatment costs.BackgroundThe short-term clinical and economic consequences of coronary stent thrombosis (ST) are thought to be significant.MethodsWe searched MEDLINE, Embase and Scopus from January 2000-July 2012 to identify observational/registry studies that evaluated a cohort of ? 25 patients experiencing angiographically-confirmed thrombosis of a drug-eluting or bare-metal stent, required the use of dual-antiplatelet therapy for guideline-recommended durations, and reported incidences of in-hospital or 30-day death or MI and/or ST-related treatment costs. Incidences and costs from each study were pooled using random-effects meta-analysis.ResultsTwenty-three studies were included. Of the 13 studies reporting in-hospital outcomes, 12 (N=8,832 STs) reported mortality data, with the pooled incidence rate estimated to be 7.9%, 95%CI=5.4%-11.3%, I(2)=86%. Ten studies (N=1,294 STs) reported 30-day death, with a pooled incidence of 11.6%, 95%CI=8.8%-15.1%, I(2)=55%. Patients experiencing early ST (within 30-days of implant) had higher in-hospital and 30-day mortality than those experiencing very-late ST (interaction p<0.04 for both). Stent type had no significant effect on in-hospital or 30-day mortality. In the 5 studies (N=542 STs) and 3 studies (N=180 STs) reporting in-hospital and 30-day MI, respectively, the pooled incidence rates were 6.1%, 95%CI=2.1%-16.2%, I(2)=88% and 9.5%, 95%CI=3.8%-22.0%, I(2)=65%. One study reported costs associated with ST, estimating the median/patient cost of hospitalization to treat early ST at $11,134 (in 2000US$).ConclusionsRegardless of stent type used, the short-term consequences of coronary ST appear significant.

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Project description:Over the past four decades, percutaneous coronary intervention (PCI) safety and efficacy have significantly improved, particularly with the advent of the drug-eluting stent (DES). First-generation DESs reduced in-stent restenosis rates and targeted lesion revascularization; however, safety issues emerged, due to high incidences of stent thrombosis (ST) linked to death, myocardial infarction, and repeat revascularization. Second-generation DESs were developed to overcome these issues, reducing late-thrombotic-event risk while maintaining anti-restenosis efficacy. Nevertheless, ST still occurs with second-generation DES use. Stent thrombosis etiology is multifaceted, encompassing lesion-, patient-, procedural-, and stent-related factors. Overall, most early-stent-thrombosis cases are linked to procedural and patient-related aspects. Factors like premature discontinuation of dual antiplatelet therapy, resistance to clopidogrel, smoking, diabetes mellitus, malignancy, reduced ejection fraction or undertaking coronary angioplasty for an acute coronary syndrome can increase the risk of stent thrombosis. The aim of this study is to assess patient-related factors that potentially heighten the risk of stent thrombosis, with the objective of pinpointing and addressing modifiable contributors to this risk. By focusing on both patient- and procedure-related factors, a multifaceted approach to coronary revascularization can help minimize complications and maximize long-term benefits in managing ST.

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