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- Ensaio Clínico NCT01864343
Target Temperature Management In Myocardial Infarction - A Pilot Study
The primary goal in the treatment of acute myocardial infarction is to reperfuse the ischemic myocardium to reduce infarct size. Animal data and human data suggest that whole-body cooling to temperatures below 35°C before revascularisation can additionally reduce infarct size and therefore improves outcome in these patients.
The purpose of the study is to determine the feasibility and safety of a combined cooling strategy started in the out-of-hospital arena for achieving pre-reperfusion hypothermia in patients with acute st-elevation myocardial infarction.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Tipo de estudo
Inscrição (Real)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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Vienna, Áustria, 1090
- Medical University of Vienna
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Age between 18 and 75 years
- Immediately transfer to cath-lab is possible
- Anterior or inferior ST-Elevation myocardial infarction
- ST-Segment elevation of >0.2mV in 2 or more anatomically contiguous leads
- Duration of symptoms <6 hours
Exclusion Criteria:
- Participation in another study
- Patients presenting with cardiac arrest
- Tympanic temperature of <35.0°C prior enrolment
- Thrombolysis therapy
- Previous myocardial infarction in medical history
- Previous percutaneous coronary intervention or coronary artery bypass graft
- Severe heart failure (defined as a New York Heart Association (NYHA) score of III or IV), Killip class II through IV at presentation
- Clinical signs of infection
- End-stage kidney disease or hepatic failure
- Recent stroke (within the last six month)
- Conditions that may be exacerbated by hypothermia, such as haematological dyscrasias, oral anticoagulant treatment with international normalized radio >1.5, severe pulmonary disease
- Pregnancy. Women of childbearing potential are excluded
- Allergy to meperidine, buspirone, magnesium, or polyvinyl chloride
- Use of a monoamine oxidase inhibitor such as selegiline in the previous 14 days
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: N / D
- Modelo Intervencional: Atribuição de grupo único
- Mascaramento: Nenhum (rótulo aberto)
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
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Experimental: Pre- and perinterventional hypothermia
Cooling will be initiated by the application of cooling pads in the out-of-hospital setting followed by an infusion of 1000-2000ml of cold saline.
In the cath lab a endovascular cooling catheter will be placed into the inferior vena cava via a femoral vein to achieve a core temperature of <35°C prior to revascularization.
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Surface cooling with EMCOOLS flex pads (out-of-hospital); Infusion of 1000ml to 2000ml of cold saline (out-of-hospital); central-venous cooling (Philips Innercool RTx)
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Feasibility of a combined cooling strategy for achieving a core temperature of <35.0°C at the time of reperfusion of the infarct related artery
Prazo: Time of reperfusion of the culprit lesion in st-elevation myocardial infarction (expected average 120 minutes)
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Blood temperature will be recorded at the time of first wire-crossed lesion of the infarct related coronary stenosis
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Time of reperfusion of the culprit lesion in st-elevation myocardial infarction (expected average 120 minutes)
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Safety of a combined cooling strategy as an adjunctive therapy on primary percutaneous coronary intervention in acute st-elevation myocardial infarction
Prazo: within 45 days (+/- 15 days)
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Incidence of major adverse cardiac events as defined as: death, heart failure, pulmonary edema, recurrent MI, malignant arrhythmias (i.e.
ventricular fibrillation, sustained ventricular tachycardia) emergent stent revascularisation, any hospitalisation, major/minor bleeding (according to TIMI-bleeding score), infection (clinical relevant infection with the need of systemic antimicrobiotic therapy) within a period of 45±15 days
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within 45 days (+/- 15 days)
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Tolerability of a combined cooling strategy as an adjunctive therapy on primary percutaneous coronary intervention in acute st-elevation myocardial infarction
Prazo: during active cooling and rewarming (in average the first 4 hours)
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Patients are monitored for incidence of shivering using a 4-point scale: 0, no shivering evident; 1, isolated facial or masticatory fasciculation; 2, peripheral shivering; 3, uncontrolled rigor during the cooling procedure (in average the first 4 hours)
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during active cooling and rewarming (in average the first 4 hours)
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Time to revascularisation (first medical contact to balloon time)
Prazo: Time of reperfusion (in average 120 minutes)
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The time to reperfusion of the infarct related artery is crucial in acute ST-elevation myocardial infarction.
To evaluate if the cooling procedure has a substantial influence on this time frame we measure the time from first medical contact to reperfusion.
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Time of reperfusion (in average 120 minutes)
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Colaboradores e Investigadores
Patrocinador
Publicações e links úteis
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo
Conclusão Primária (Real)
Conclusão do estudo (Real)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Estimativa)
Atualizações de registro de estudo
Última Atualização Postada (Estimativa)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- STATIM-Pilot
- MUW_492/2011
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